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Commit 39bd42b0 authored by Jason Cooper's avatar Jason Cooper Committed by Greg Kroah-Hartman
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staging: crypto: skein: fix leading whitespace 

Signed-off-by: default avatarJason Cooper <jason@lakedaemon.net>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent e6d336f5
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drivers/staging/skein/include/skein.h
View file @ 39bd42b0
...@@ -38,11 +38,11 @@ ...@@ -38,11 +38,11 @@
#define Skein_Swap64(w64) (w64) #define Skein_Swap64(w64) (w64)
enum enum
{ {
SKEIN_SUCCESS = 0, /* return codes from Skein calls */ SKEIN_SUCCESS = 0, /* return codes from Skein calls */
SKEIN_FAIL = 1, SKEIN_FAIL = 1,
SKEIN_BAD_HASHLEN = 2 SKEIN_BAD_HASHLEN = 2
}; };
#define SKEIN_MODIFIER_WORDS (2) /* number of modifier (tweak) words */ #define SKEIN_MODIFIER_WORDS (2) /* number of modifier (tweak) words */
...@@ -64,32 +64,32 @@ enum ...@@ -64,32 +64,32 @@ enum
#define SKEIN1024_BLOCK_BYTES (8*SKEIN1024_STATE_WORDS) #define SKEIN1024_BLOCK_BYTES (8*SKEIN1024_STATE_WORDS)
struct skein_ctx_hdr struct skein_ctx_hdr
{ {
size_t hashBitLen; /* size of hash result, in bits */ size_t hashBitLen; /* size of hash result, in bits */
size_t bCnt; /* current byte count in buffer b[] */ size_t bCnt; /* current byte count in buffer b[] */
u64 T[SKEIN_MODIFIER_WORDS]; /* tweak words: T[0]=byte cnt, T[1]=flags */ u64 T[SKEIN_MODIFIER_WORDS]; /* tweak words: T[0]=byte cnt, T[1]=flags */
}; };
struct skein_256_ctx /* 256-bit Skein hash context structure */ struct skein_256_ctx /* 256-bit Skein hash context structure */
{ {
struct skein_ctx_hdr h; /* common header context variables */ struct skein_ctx_hdr h; /* common header context variables */
u64 X[SKEIN_256_STATE_WORDS]; /* chaining variables */ u64 X[SKEIN_256_STATE_WORDS]; /* chaining variables */
u8 b[SKEIN_256_BLOCK_BYTES]; /* partial block buffer (8-byte aligned) */ u8 b[SKEIN_256_BLOCK_BYTES]; /* partial block buffer (8-byte aligned) */
}; };
struct skein_512_ctx /* 512-bit Skein hash context structure */ struct skein_512_ctx /* 512-bit Skein hash context structure */
{ {
struct skein_ctx_hdr h; /* common header context variables */ struct skein_ctx_hdr h; /* common header context variables */
u64 X[SKEIN_512_STATE_WORDS]; /* chaining variables */ u64 X[SKEIN_512_STATE_WORDS]; /* chaining variables */
u8 b[SKEIN_512_BLOCK_BYTES]; /* partial block buffer (8-byte aligned) */ u8 b[SKEIN_512_BLOCK_BYTES]; /* partial block buffer (8-byte aligned) */
}; };
struct skein1024_ctx /* 1024-bit Skein hash context structure */ struct skein1024_ctx /* 1024-bit Skein hash context structure */
{ {
struct skein_ctx_hdr h; /* common header context variables */ struct skein_ctx_hdr h; /* common header context variables */
u64 X[SKEIN1024_STATE_WORDS]; /* chaining variables */ u64 X[SKEIN1024_STATE_WORDS]; /* chaining variables */
u8 b[SKEIN1024_BLOCK_BYTES]; /* partial block buffer (8-byte aligned) */ u8 b[SKEIN1024_BLOCK_BYTES]; /* partial block buffer (8-byte aligned) */
}; };
/* Skein APIs for (incremental) "straight hashing" */ /* Skein APIs for (incremental) "straight hashing" */
int Skein_256_Init(struct skein_256_ctx *ctx, size_t hashBitLen); int Skein_256_Init(struct skein_256_ctx *ctx, size_t hashBitLen);
...@@ -150,18 +150,18 @@ int Skein1024_Output(struct skein1024_ctx *ctx, u8 *hashVal); ...@@ -150,18 +150,18 @@ int Skein1024_Output(struct skein1024_ctx *ctx, u8 *hashVal);
/* tweak word T[1]: bit field starting positions */ /* tweak word T[1]: bit field starting positions */
#define SKEIN_T1_BIT(BIT) ((BIT) - 64) /* offset 64 because it's the second word */ #define SKEIN_T1_BIT(BIT) ((BIT) - 64) /* offset 64 because it's the second word */
#define SKEIN_T1_POS_TREE_LVL SKEIN_T1_BIT(112) /* bits 112..118: level in hash tree */ #define SKEIN_T1_POS_TREE_LVL SKEIN_T1_BIT(112) /* bits 112..118: level in hash tree */
#define SKEIN_T1_POS_BIT_PAD SKEIN_T1_BIT(119) /* bit 119 : partial final input byte */ #define SKEIN_T1_POS_BIT_PAD SKEIN_T1_BIT(119) /* bit 119 : partial final input byte */
#define SKEIN_T1_POS_BLK_TYPE SKEIN_T1_BIT(120) /* bits 120..125: type field */ #define SKEIN_T1_POS_BLK_TYPE SKEIN_T1_BIT(120) /* bits 120..125: type field */
#define SKEIN_T1_POS_FIRST SKEIN_T1_BIT(126) /* bits 126 : first block flag */ #define SKEIN_T1_POS_FIRST SKEIN_T1_BIT(126) /* bits 126 : first block flag */
#define SKEIN_T1_POS_FINAL SKEIN_T1_BIT(127) /* bit 127 : final block flag */ #define SKEIN_T1_POS_FINAL SKEIN_T1_BIT(127) /* bit 127 : final block flag */
/* tweak word T[1]: flag bit definition(s) */ /* tweak word T[1]: flag bit definition(s) */
#define SKEIN_T1_FLAG_FIRST (((u64) 1) << SKEIN_T1_POS_FIRST) #define SKEIN_T1_FLAG_FIRST (((u64) 1) << SKEIN_T1_POS_FIRST)
#define SKEIN_T1_FLAG_FINAL (((u64) 1) << SKEIN_T1_POS_FINAL) #define SKEIN_T1_FLAG_FINAL (((u64) 1) << SKEIN_T1_POS_FINAL)
#define SKEIN_T1_FLAG_BIT_PAD (((u64) 1) << SKEIN_T1_POS_BIT_PAD) #define SKEIN_T1_FLAG_BIT_PAD (((u64) 1) << SKEIN_T1_POS_BIT_PAD)
/* tweak word T[1]: tree level bit field mask */ /* tweak word T[1]: tree level bit field mask */
#define SKEIN_T1_TREE_LVL_MASK (((u64)0x7F) << SKEIN_T1_POS_TREE_LVL) #define SKEIN_T1_TREE_LVL_MASK (((u64)0x7F) << SKEIN_T1_POS_TREE_LVL)
#define SKEIN_T1_TREE_LEVEL(n) (((u64) (n)) << SKEIN_T1_POS_TREE_LVL) #define SKEIN_T1_TREE_LEVEL(n) (((u64) (n)) << SKEIN_T1_POS_TREE_LVL)
...@@ -213,9 +213,9 @@ int Skein1024_Output(struct skein1024_ctx *ctx, u8 *hashVal); ...@@ -213,9 +213,9 @@ int Skein1024_Output(struct skein1024_ctx *ctx, u8 *hashVal);
#define SKEIN_CFG_TREE_MAX_LEVEL_MSK (((u64) 0xFF) << SKEIN_CFG_TREE_MAX_LEVEL_POS) #define SKEIN_CFG_TREE_MAX_LEVEL_MSK (((u64) 0xFF) << SKEIN_CFG_TREE_MAX_LEVEL_POS)
#define SKEIN_CFG_TREE_INFO(leaf, node, maxLvl) \ #define SKEIN_CFG_TREE_INFO(leaf, node, maxLvl) \
((((u64)(leaf)) << SKEIN_CFG_TREE_LEAF_SIZE_POS) | \ ((((u64)(leaf)) << SKEIN_CFG_TREE_LEAF_SIZE_POS) | \
(((u64)(node)) << SKEIN_CFG_TREE_NODE_SIZE_POS) | \ (((u64)(node)) << SKEIN_CFG_TREE_NODE_SIZE_POS) | \
(((u64)(maxLvl)) << SKEIN_CFG_TREE_MAX_LEVEL_POS)) (((u64)(maxLvl)) << SKEIN_CFG_TREE_MAX_LEVEL_POS))
#define SKEIN_CFG_TREE_INFO_SEQUENTIAL SKEIN_CFG_TREE_INFO(0, 0, 0) /* use as treeInfo in InitExt() call for sequential processing */ #define SKEIN_CFG_TREE_INFO_SEQUENTIAL SKEIN_CFG_TREE_INFO(0, 0, 0) /* use as treeInfo in InitExt() call for sequential processing */
...@@ -233,17 +233,17 @@ int Skein1024_Output(struct skein1024_ctx *ctx, u8 *hashVal); ...@@ -233,17 +233,17 @@ int Skein1024_Output(struct skein1024_ctx *ctx, u8 *hashVal);
/* set both tweak words at once */ /* set both tweak words at once */
#define Skein_Set_T0_T1(ctxPtr, T0, T1) \ #define Skein_Set_T0_T1(ctxPtr, T0, T1) \
{ \ { \
Skein_Set_T0(ctxPtr, (T0)); \ Skein_Set_T0(ctxPtr, (T0)); \
Skein_Set_T1(ctxPtr, (T1)); \ Skein_Set_T1(ctxPtr, (T1)); \
} }
#define Skein_Set_Type(ctxPtr, BLK_TYPE) \ #define Skein_Set_Type(ctxPtr, BLK_TYPE) \
Skein_Set_T1(ctxPtr, SKEIN_T1_BLK_TYPE_##BLK_TYPE) Skein_Set_T1(ctxPtr, SKEIN_T1_BLK_TYPE_##BLK_TYPE)
/* set up for starting with a new type: h.T[0]=0; h.T[1] = NEW_TYPE; h.bCnt=0; */ /* set up for starting with a new type: h.T[0]=0; h.T[1] = NEW_TYPE; h.bCnt=0; */
#define Skein_Start_New_Type(ctxPtr, BLK_TYPE) \ #define Skein_Start_New_Type(ctxPtr, BLK_TYPE) \
{ Skein_Set_T0_T1(ctxPtr, 0, SKEIN_T1_FLAG_FIRST | SKEIN_T1_BLK_TYPE_##BLK_TYPE); (ctxPtr)->h.bCnt = 0; } { Skein_Set_T0_T1(ctxPtr, 0, SKEIN_T1_FLAG_FIRST | SKEIN_T1_BLK_TYPE_##BLK_TYPE); (ctxPtr)->h.bCnt = 0; }
#define Skein_Clear_First_Flag(hdr) { (hdr).T[1] &= ~SKEIN_T1_FLAG_FIRST; } #define Skein_Clear_First_Flag(hdr) { (hdr).T[1] &= ~SKEIN_T1_FLAG_FIRST; }
#define Skein_Set_Bit_Pad_Flag(hdr) { (hdr).T[1] |= SKEIN_T1_FLAG_BIT_PAD; } #define Skein_Set_Bit_Pad_Flag(hdr) { (hdr).T[1] |= SKEIN_T1_FLAG_BIT_PAD; }
...@@ -270,37 +270,37 @@ int Skein1024_Output(struct skein1024_ctx *ctx, u8 *hashVal); ...@@ -270,37 +270,37 @@ int Skein1024_Output(struct skein1024_ctx *ctx, u8 *hashVal);
** Skein block function constants (shared across Ref and Opt code) ** Skein block function constants (shared across Ref and Opt code)
******************************************************************/ ******************************************************************/
enum enum
{ {
/* Skein_256 round rotation constants */ /* Skein_256 round rotation constants */
R_256_0_0 = 14, R_256_0_1 = 16, R_256_0_0 = 14, R_256_0_1 = 16,
R_256_1_0 = 52, R_256_1_1 = 57, R_256_1_0 = 52, R_256_1_1 = 57,
R_256_2_0 = 23, R_256_2_1 = 40, R_256_2_0 = 23, R_256_2_1 = 40,
R_256_3_0 = 5, R_256_3_1 = 37, R_256_3_0 = 5, R_256_3_1 = 37,
R_256_4_0 = 25, R_256_4_1 = 33, R_256_4_0 = 25, R_256_4_1 = 33,
R_256_5_0 = 46, R_256_5_1 = 12, R_256_5_0 = 46, R_256_5_1 = 12,
R_256_6_0 = 58, R_256_6_1 = 22, R_256_6_0 = 58, R_256_6_1 = 22,
R_256_7_0 = 32, R_256_7_1 = 32, R_256_7_0 = 32, R_256_7_1 = 32,
/* Skein_512 round rotation constants */ /* Skein_512 round rotation constants */
R_512_0_0 = 46, R_512_0_1 = 36, R_512_0_2 = 19, R_512_0_3 = 37, R_512_0_0 = 46, R_512_0_1 = 36, R_512_0_2 = 19, R_512_0_3 = 37,
R_512_1_0 = 33, R_512_1_1 = 27, R_512_1_2 = 14, R_512_1_3 = 42, R_512_1_0 = 33, R_512_1_1 = 27, R_512_1_2 = 14, R_512_1_3 = 42,
R_512_2_0 = 17, R_512_2_1 = 49, R_512_2_2 = 36, R_512_2_3 = 39, R_512_2_0 = 17, R_512_2_1 = 49, R_512_2_2 = 36, R_512_2_3 = 39,
R_512_3_0 = 44, R_512_3_1 = 9, R_512_3_2 = 54, R_512_3_3 = 56, R_512_3_0 = 44, R_512_3_1 = 9, R_512_3_2 = 54, R_512_3_3 = 56,
R_512_4_0 = 39, R_512_4_1 = 30, R_512_4_2 = 34, R_512_4_3 = 24, R_512_4_0 = 39, R_512_4_1 = 30, R_512_4_2 = 34, R_512_4_3 = 24,
R_512_5_0 = 13, R_512_5_1 = 50, R_512_5_2 = 10, R_512_5_3 = 17, R_512_5_0 = 13, R_512_5_1 = 50, R_512_5_2 = 10, R_512_5_3 = 17,
R_512_6_0 = 25, R_512_6_1 = 29, R_512_6_2 = 39, R_512_6_3 = 43, R_512_6_0 = 25, R_512_6_1 = 29, R_512_6_2 = 39, R_512_6_3 = 43,
R_512_7_0 = 8, R_512_7_1 = 35, R_512_7_2 = 56, R_512_7_3 = 22, R_512_7_0 = 8, R_512_7_1 = 35, R_512_7_2 = 56, R_512_7_3 = 22,
/* Skein1024 round rotation constants */ /* Skein1024 round rotation constants */
R1024_0_0 = 24, R1024_0_1 = 13, R1024_0_2 = 8, R1024_0_3 = 47, R1024_0_4 = 8, R1024_0_5 = 17, R1024_0_6 = 22, R1024_0_7 = 37, R1024_0_0 = 24, R1024_0_1 = 13, R1024_0_2 = 8, R1024_0_3 = 47, R1024_0_4 = 8, R1024_0_5 = 17, R1024_0_6 = 22, R1024_0_7 = 37,
R1024_1_0 = 38, R1024_1_1 = 19, R1024_1_2 = 10, R1024_1_3 = 55, R1024_1_4 = 49, R1024_1_5 = 18, R1024_1_6 = 23, R1024_1_7 = 52, R1024_1_0 = 38, R1024_1_1 = 19, R1024_1_2 = 10, R1024_1_3 = 55, R1024_1_4 = 49, R1024_1_5 = 18, R1024_1_6 = 23, R1024_1_7 = 52,
R1024_2_0 = 33, R1024_2_1 = 4, R1024_2_2 = 51, R1024_2_3 = 13, R1024_2_4 = 34, R1024_2_5 = 41, R1024_2_6 = 59, R1024_2_7 = 17, R1024_2_0 = 33, R1024_2_1 = 4, R1024_2_2 = 51, R1024_2_3 = 13, R1024_2_4 = 34, R1024_2_5 = 41, R1024_2_6 = 59, R1024_2_7 = 17,
R1024_3_0 = 5, R1024_3_1 = 20, R1024_3_2 = 48, R1024_3_3 = 41, R1024_3_4 = 47, R1024_3_5 = 28, R1024_3_6 = 16, R1024_3_7 = 25, R1024_3_0 = 5, R1024_3_1 = 20, R1024_3_2 = 48, R1024_3_3 = 41, R1024_3_4 = 47, R1024_3_5 = 28, R1024_3_6 = 16, R1024_3_7 = 25,
R1024_4_0 = 41, R1024_4_1 = 9, R1024_4_2 = 37, R1024_4_3 = 31, R1024_4_4 = 12, R1024_4_5 = 47, R1024_4_6 = 44, R1024_4_7 = 30, R1024_4_0 = 41, R1024_4_1 = 9, R1024_4_2 = 37, R1024_4_3 = 31, R1024_4_4 = 12, R1024_4_5 = 47, R1024_4_6 = 44, R1024_4_7 = 30,
R1024_5_0 = 16, R1024_5_1 = 34, R1024_5_2 = 56, R1024_5_3 = 51, R1024_5_4 = 4, R1024_5_5 = 53, R1024_5_6 = 42, R1024_5_7 = 41, R1024_5_0 = 16, R1024_5_1 = 34, R1024_5_2 = 56, R1024_5_3 = 51, R1024_5_4 = 4, R1024_5_5 = 53, R1024_5_6 = 42, R1024_5_7 = 41,
R1024_6_0 = 31, R1024_6_1 = 44, R1024_6_2 = 47, R1024_6_3 = 46, R1024_6_4 = 19, R1024_6_5 = 42, R1024_6_6 = 44, R1024_6_7 = 25, R1024_6_0 = 31, R1024_6_1 = 44, R1024_6_2 = 47, R1024_6_3 = 46, R1024_6_4 = 19, R1024_6_5 = 42, R1024_6_6 = 44, R1024_6_7 = 25,
R1024_7_0 = 9, R1024_7_1 = 48, R1024_7_2 = 35, R1024_7_3 = 52, R1024_7_4 = 23, R1024_7_5 = 31, R1024_7_6 = 37, R1024_7_7 = 20 R1024_7_0 = 9, R1024_7_1 = 48, R1024_7_2 = 35, R1024_7_3 = 52, R1024_7_4 = 23, R1024_7_5 = 31, R1024_7_6 = 37, R1024_7_7 = 20
}; };
#ifndef SKEIN_ROUNDS #ifndef SKEIN_ROUNDS
#define SKEIN_256_ROUNDS_TOTAL (72) /* number of rounds for the different block sizes */ #define SKEIN_256_ROUNDS_TOTAL (72) /* number of rounds for the different block sizes */
......
drivers/staging/skein/include/skeinApi.h
View file @ 39bd42b0
...@@ -81,148 +81,148 @@ OTHER DEALINGS IN THE SOFTWARE. ...@@ -81,148 +81,148 @@ OTHER DEALINGS IN THE SOFTWARE.
#include <linux/types.h> #include <linux/types.h>
#include <skein.h> #include <skein.h>
/** /**
* Which Skein size to use * Which Skein size to use
*/ */
enum skein_size { enum skein_size {
Skein256 = 256, /*!< Skein with 256 bit state */ Skein256 = 256, /*!< Skein with 256 bit state */
Skein512 = 512, /*!< Skein with 512 bit state */ Skein512 = 512, /*!< Skein with 512 bit state */
Skein1024 = 1024 /*!< Skein with 1024 bit state */ Skein1024 = 1024 /*!< Skein with 1024 bit state */
}; };
/** /**
* Context for Skein. * Context for Skein.
* *
* This structure was setup with some know-how of the internal * This structure was setup with some know-how of the internal
* Skein structures, in particular ordering of header and size dependent * Skein structures, in particular ordering of header and size dependent
* variables. If Skein implementation changes this, then adapt these * variables. If Skein implementation changes this, then adapt these
* structures as well. * structures as well.
*/ */
struct skein_ctx { struct skein_ctx {
u64 skeinSize; u64 skeinSize;
u64 XSave[SKEIN_MAX_STATE_WORDS]; /* save area for state variables */ u64 XSave[SKEIN_MAX_STATE_WORDS]; /* save area for state variables */
union { union {
struct skein_ctx_hdr h; struct skein_ctx_hdr h;
struct skein_256_ctx s256; struct skein_256_ctx s256;
struct skein_512_ctx s512; struct skein_512_ctx s512;
struct skein1024_ctx s1024; struct skein1024_ctx s1024;
} m; } m;
}; };
/** /**
* Prepare a Skein context. * Prepare a Skein context.
* *
* An application must call this function before it can use the Skein * An application must call this function before it can use the Skein
* context. The functions clears memory and initializes size dependent * context. The functions clears memory and initializes size dependent
* variables. * variables.
* *
* @param ctx * @param ctx
* Pointer to a Skein context. * Pointer to a Skein context.
* @param size * @param size
* Which Skein size to use. * Which Skein size to use.
* @return * @return
* SKEIN_SUCESS of SKEIN_FAIL * SKEIN_SUCESS of SKEIN_FAIL
*/ */
int skeinCtxPrepare(struct skein_ctx *ctx, enum skein_size size); int skeinCtxPrepare(struct skein_ctx *ctx, enum skein_size size);
/** /**
* Initialize a Skein context. * Initialize a Skein context.
* *
* Initializes the context with this data and saves the resulting Skein * Initializes the context with this data and saves the resulting Skein
* state variables for further use. * state variables for further use.
* *
* @param ctx * @param ctx
* Pointer to a Skein context. * Pointer to a Skein context.
* @param hashBitLen * @param hashBitLen
* Number of MAC hash bits to compute * Number of MAC hash bits to compute
* @return * @return
* SKEIN_SUCESS of SKEIN_FAIL * SKEIN_SUCESS of SKEIN_FAIL
* @see skeinReset * @see skeinReset
*/ */
int skeinInit(struct skein_ctx *ctx, size_t hashBitLen); int skeinInit(struct skein_ctx *ctx, size_t hashBitLen);
/** /**
* Resets a Skein context for further use. * Resets a Skein context for further use.
* *
* Restores the saved chaining variables to reset the Skein context. * Restores the saved chaining variables to reset the Skein context.
* Thus applications can reuse the same setup to process several * Thus applications can reuse the same setup to process several
* messages. This saves a complete Skein initialization cycle. * messages. This saves a complete Skein initialization cycle.
* *
* @param ctx * @param ctx
* Pointer to a pre-initialized Skein MAC context * Pointer to a pre-initialized Skein MAC context
*/ */
void skeinReset(struct skein_ctx *ctx); void skeinReset(struct skein_ctx *ctx);
/** /**
* Initializes a Skein context for MAC usage. * Initializes a Skein context for MAC usage.
* *
* Initializes the context with this data and saves the resulting Skein * Initializes the context with this data and saves the resulting Skein
* state variables for further use. * state variables for further use.
* *
* Applications call the normal Skein functions to update the MAC and * Applications call the normal Skein functions to update the MAC and
* get the final result. * get the final result.
* *
* @param ctx * @param ctx
* Pointer to an empty or preinitialized Skein MAC context * Pointer to an empty or preinitialized Skein MAC context
* @param key * @param key
* Pointer to key bytes or NULL * Pointer to key bytes or NULL
* @param keyLen * @param keyLen
* Length of the key in bytes or zero * Length of the key in bytes or zero
* @param hashBitLen * @param hashBitLen
* Number of MAC hash bits to compute * Number of MAC hash bits to compute
* @return * @return
* SKEIN_SUCESS of SKEIN_FAIL * SKEIN_SUCESS of SKEIN_FAIL
*/ */
int skeinMacInit(struct skein_ctx *ctx, const u8 *key, size_t keyLen, int skeinMacInit(struct skein_ctx *ctx, const u8 *key, size_t keyLen,
size_t hashBitLen); size_t hashBitLen);
/** /**
* Update Skein with the next part of the message. * Update Skein with the next part of the message.
* *
* @param ctx * @param ctx
* Pointer to initialized Skein context * Pointer to initialized Skein context
* @param msg * @param msg
* Pointer to the message. * Pointer to the message.
* @param msgByteCnt * @param msgByteCnt
* Length of the message in @b bytes * Length of the message in @b bytes
* @return * @return
* Success or error code. * Success or error code.
*/ */
int skeinUpdate(struct skein_ctx *ctx, const u8 *msg, int skeinUpdate(struct skein_ctx *ctx, const u8 *msg,
size_t msgByteCnt); size_t msgByteCnt);
/** /**
* Update the hash with a message bit string. * Update the hash with a message bit string.
* *
* Skein can handle data not only as bytes but also as bit strings of * Skein can handle data not only as bytes but also as bit strings of
* arbitrary length (up to its maximum design size). * arbitrary length (up to its maximum design size).
* *
* @param ctx * @param ctx
* Pointer to initialized Skein context * Pointer to initialized Skein context
* @param msg * @param msg
* Pointer to the message. * Pointer to the message.
* @param msgBitCnt * @param msgBitCnt
* Length of the message in @b bits. * Length of the message in @b bits.
*/ */
int skeinUpdateBits(struct skein_ctx *ctx, const u8 *msg, int skeinUpdateBits(struct skein_ctx *ctx, const u8 *msg,
size_t msgBitCnt); size_t msgBitCnt);
/** /**
* Finalize Skein and return the hash. * Finalize Skein and return the hash.
* *
* Before an application can reuse a Skein setup the application must * Before an application can reuse a Skein setup the application must
* reset the Skein context. * reset the Skein context.
* *
* @param ctx * @param ctx
* Pointer to initialized Skein context * Pointer to initialized Skein context
* @param hash * @param hash
* Pointer to buffer that receives the hash. The buffer must be large * Pointer to buffer that receives the hash. The buffer must be large
* enough to store @c hashBitLen bits. * enough to store @c hashBitLen bits.
* @return * @return
* Success or error code. * Success or error code.
* @see skeinReset * @see skeinReset
*/ */
int skeinFinal(struct skein_ctx *ctx, u8 *hash); int skeinFinal(struct skein_ctx *ctx, u8 *hash);
/** /**
* @} * @}
......
drivers/staging/skein/include/skein_iv.h
View file @ 39bd42b0
...@@ -21,179 +21,179 @@ ...@@ -21,179 +21,179 @@
/* blkSize = 256 bits. hashSize = 128 bits */ /* blkSize = 256 bits. hashSize = 128 bits */
const u64 SKEIN_256_IV_128[] = const u64 SKEIN_256_IV_128[] =
{ {
MK_64(0xE1111906, 0x964D7260), MK_64(0xE1111906, 0x964D7260),
MK_64(0x883DAAA7, 0x7C8D811C), MK_64(0x883DAAA7, 0x7C8D811C),
MK_64(0x10080DF4, 0x91960F7A), MK_64(0x10080DF4, 0x91960F7A),
MK_64(0xCCF7DDE5, 0xB45BC1C2) MK_64(0xCCF7DDE5, 0xB45BC1C2)
}; };
/* blkSize = 256 bits. hashSize = 160 bits */ /* blkSize = 256 bits. hashSize = 160 bits */
const u64 SKEIN_256_IV_160[] = const u64 SKEIN_256_IV_160[] =
{ {
MK_64(0x14202314, 0x72825E98), MK_64(0x14202314, 0x72825E98),
MK_64(0x2AC4E9A2, 0x5A77E590), MK_64(0x2AC4E9A2, 0x5A77E590),
MK_64(0xD47A5856, 0x8838D63E), MK_64(0xD47A5856, 0x8838D63E),
MK_64(0x2DD2E496, 0x8586AB7D) MK_64(0x2DD2E496, 0x8586AB7D)
}; };
/* blkSize = 256 bits. hashSize = 224 bits */ /* blkSize = 256 bits. hashSize = 224 bits */
const u64 SKEIN_256_IV_224[] = const u64 SKEIN_256_IV_224[] =
{ {
MK_64(0xC6098A8C, 0x9AE5EA0B), MK_64(0xC6098A8C, 0x9AE5EA0B),
MK_64(0x876D5686, 0x08C5191C), MK_64(0x876D5686, 0x08C5191C),
MK_64(0x99CB88D7, 0xD7F53884), MK_64(0x99CB88D7, 0xD7F53884),
MK_64(0x384BDDB1, 0xAEDDB5DE) MK_64(0x384BDDB1, 0xAEDDB5DE)
}; };
/* blkSize = 256 bits. hashSize = 256 bits */ /* blkSize = 256 bits. hashSize = 256 bits */
const u64 SKEIN_256_IV_256[] = const u64 SKEIN_256_IV_256[] =
{ {
MK_64(0xFC9DA860, 0xD048B449), MK_64(0xFC9DA860, 0xD048B449),
MK_64(0x2FCA6647, 0x9FA7D833), MK_64(0x2FCA6647, 0x9FA7D833),
MK_64(0xB33BC389, 0x6656840F), MK_64(0xB33BC389, 0x6656840F),
MK_64(0x6A54E920, 0xFDE8DA69) MK_64(0x6A54E920, 0xFDE8DA69)
}; };
/* blkSize = 512 bits. hashSize = 128 bits */ /* blkSize = 512 bits. hashSize = 128 bits */
const u64 SKEIN_512_IV_128[] = const u64 SKEIN_512_IV_128[] =
{ {
MK_64(0xA8BC7BF3, 0x6FBF9F52), MK_64(0xA8BC7BF3, 0x6FBF9F52),
MK_64(0x1E9872CE, 0xBD1AF0AA), MK_64(0x1E9872CE, 0xBD1AF0AA),
MK_64(0x309B1790, 0xB32190D3), MK_64(0x309B1790, 0xB32190D3),
MK_64(0xBCFBB854, 0x3F94805C), MK_64(0xBCFBB854, 0x3F94805C),
MK_64(0x0DA61BCD, 0x6E31B11B), MK_64(0x0DA61BCD, 0x6E31B11B),
MK_64(0x1A18EBEA, 0xD46A32E3), MK_64(0x1A18EBEA, 0xD46A32E3),
MK_64(0xA2CC5B18, 0xCE84AA82), MK_64(0xA2CC5B18, 0xCE84AA82),
MK_64(0x6982AB28, 0x9D46982D) MK_64(0x6982AB28, 0x9D46982D)
}; };
/* blkSize = 512 bits. hashSize = 160 bits */ /* blkSize = 512 bits. hashSize = 160 bits */
const u64 SKEIN_512_IV_160[] = const u64 SKEIN_512_IV_160[] =
{ {
MK_64(0x28B81A2A, 0xE013BD91), MK_64(0x28B81A2A, 0xE013BD91),
MK_64(0xC2F11668, 0xB5BDF78F), MK_64(0xC2F11668, 0xB5BDF78F),
MK_64(0x1760D8F3, 0xF6A56F12), MK_64(0x1760D8F3, 0xF6A56F12),
MK_64(0x4FB74758, 0x8239904F), MK_64(0x4FB74758, 0x8239904F),
MK_64(0x21EDE07F, 0x7EAF5056), MK_64(0x21EDE07F, 0x7EAF5056),
MK_64(0xD908922E, 0x63ED70B8), MK_64(0xD908922E, 0x63ED70B8),
MK_64(0xB8EC76FF, 0xECCB52FA), MK_64(0xB8EC76FF, 0xECCB52FA),
MK_64(0x01A47BB8, 0xA3F27A6E) MK_64(0x01A47BB8, 0xA3F27A6E)
}; };
/* blkSize = 512 bits. hashSize = 224 bits */ /* blkSize = 512 bits. hashSize = 224 bits */
const u64 SKEIN_512_IV_224[] = const u64 SKEIN_512_IV_224[] =
{ {
MK_64(0xCCD06162, 0x48677224), MK_64(0xCCD06162, 0x48677224),
MK_64(0xCBA65CF3, 0xA92339EF), MK_64(0xCBA65CF3, 0xA92339EF),
MK_64(0x8CCD69D6, 0x52FF4B64), MK_64(0x8CCD69D6, 0x52FF4B64),
MK_64(0x398AED7B, 0x3AB890B4), MK_64(0x398AED7B, 0x3AB890B4),
MK_64(0x0F59D1B1, 0x457D2BD0), MK_64(0x0F59D1B1, 0x457D2BD0),
MK_64(0x6776FE65, 0x75D4EB3D), MK_64(0x6776FE65, 0x75D4EB3D),
MK_64(0x99FBC70E, 0x997413E9), MK_64(0x99FBC70E, 0x997413E9),
MK_64(0x9E2CFCCF, 0xE1C41EF7) MK_64(0x9E2CFCCF, 0xE1C41EF7)
}; };
/* blkSize = 512 bits. hashSize = 256 bits */ /* blkSize = 512 bits. hashSize = 256 bits */
const u64 SKEIN_512_IV_256[] = const u64 SKEIN_512_IV_256[] =
{ {
MK_64(0xCCD044A1, 0x2FDB3E13), MK_64(0xCCD044A1, 0x2FDB3E13),
MK_64(0xE8359030, 0x1A79A9EB), MK_64(0xE8359030, 0x1A79A9EB),
MK_64(0x55AEA061, 0x4F816E6F), MK_64(0x55AEA061, 0x4F816E6F),
MK_64(0x2A2767A4, 0xAE9B94DB), MK_64(0x2A2767A4, 0xAE9B94DB),
MK_64(0xEC06025E, 0x74DD7683), MK_64(0xEC06025E, 0x74DD7683),
MK_64(0xE7A436CD, 0xC4746251), MK_64(0xE7A436CD, 0xC4746251),
MK_64(0xC36FBAF9, 0x393AD185), MK_64(0xC36FBAF9, 0x393AD185),
MK_64(0x3EEDBA18, 0x33EDFC13) MK_64(0x3EEDBA18, 0x33EDFC13)
}; };
/* blkSize = 512 bits. hashSize = 384 bits */ /* blkSize = 512 bits. hashSize = 384 bits */
const u64 SKEIN_512_IV_384[] = const u64 SKEIN_512_IV_384[] =
{ {
MK_64(0xA3F6C6BF, 0x3A75EF5F), MK_64(0xA3F6C6BF, 0x3A75EF5F),
MK_64(0xB0FEF9CC, 0xFD84FAA4), MK_64(0xB0FEF9CC, 0xFD84FAA4),
MK_64(0x9D77DD66, 0x3D770CFE), MK_64(0x9D77DD66, 0x3D770CFE),
MK_64(0xD798CBF3, 0xB468FDDA), MK_64(0xD798CBF3, 0xB468FDDA),
MK_64(0x1BC4A666, 0x8A0E4465), MK_64(0x1BC4A666, 0x8A0E4465),
MK_64(0x7ED7D434, 0xE5807407), MK_64(0x7ED7D434, 0xE5807407),
MK_64(0x548FC1AC, 0xD4EC44D6), MK_64(0x548FC1AC, 0xD4EC44D6),
MK_64(0x266E1754, 0x6AA18FF8) MK_64(0x266E1754, 0x6AA18FF8)
}; };
/* blkSize = 512 bits. hashSize = 512 bits */ /* blkSize = 512 bits. hashSize = 512 bits */
const u64 SKEIN_512_IV_512[] = const u64 SKEIN_512_IV_512[] =
{ {
MK_64(0x4903ADFF, 0x749C51CE), MK_64(0x4903ADFF, 0x749C51CE),
MK_64(0x0D95DE39, 0x9746DF03), MK_64(0x0D95DE39, 0x9746DF03),
MK_64(0x8FD19341, 0x27C79BCE), MK_64(0x8FD19341, 0x27C79BCE),
MK_64(0x9A255629, 0xFF352CB1), MK_64(0x9A255629, 0xFF352CB1),
MK_64(0x5DB62599, 0xDF6CA7B0), MK_64(0x5DB62599, 0xDF6CA7B0),
MK_64(0xEABE394C, 0xA9D5C3F4), MK_64(0xEABE394C, 0xA9D5C3F4),
MK_64(0x991112C7, 0x1A75B523), MK_64(0x991112C7, 0x1A75B523),
MK_64(0xAE18A40B, 0x660FCC33) MK_64(0xAE18A40B, 0x660FCC33)
}; };
/* blkSize = 1024 bits. hashSize = 384 bits */ /* blkSize = 1024 bits. hashSize = 384 bits */
const u64 SKEIN1024_IV_384[] = const u64 SKEIN1024_IV_384[] =
{ {
MK_64(0x5102B6B8, 0xC1894A35), MK_64(0x5102B6B8, 0xC1894A35),
MK_64(0xFEEBC9E3, 0xFE8AF11A), MK_64(0xFEEBC9E3, 0xFE8AF11A),
MK_64(0x0C807F06, 0xE32BED71), MK_64(0x0C807F06, 0xE32BED71),
MK_64(0x60C13A52, 0xB41A91F6), MK_64(0x60C13A52, 0xB41A91F6),
MK_64(0x9716D35D, 0xD4917C38), MK_64(0x9716D35D, 0xD4917C38),
MK_64(0xE780DF12, 0x6FD31D3A), MK_64(0xE780DF12, 0x6FD31D3A),
MK_64(0x797846B6, 0xC898303A), MK_64(0x797846B6, 0xC898303A),
MK_64(0xB172C2A8, 0xB3572A3B), MK_64(0xB172C2A8, 0xB3572A3B),
MK_64(0xC9BC8203, 0xA6104A6C), MK_64(0xC9BC8203, 0xA6104A6C),
MK_64(0x65909338, 0xD75624F4), MK_64(0x65909338, 0xD75624F4),
MK_64(0x94BCC568, 0x4B3F81A0), MK_64(0x94BCC568, 0x4B3F81A0),
MK_64(0x3EBBF51E, 0x10ECFD46), MK_64(0x3EBBF51E, 0x10ECFD46),
MK_64(0x2DF50F0B, 0xEEB08542), MK_64(0x2DF50F0B, 0xEEB08542),
MK_64(0x3B5A6530, 0x0DBC6516), MK_64(0x3B5A6530, 0x0DBC6516),
MK_64(0x484B9CD2, 0x167BBCE1), MK_64(0x484B9CD2, 0x167BBCE1),
MK_64(0x2D136947, 0xD4CBAFEA) MK_64(0x2D136947, 0xD4CBAFEA)
}; };
/* blkSize = 1024 bits. hashSize = 512 bits */ /* blkSize = 1024 bits. hashSize = 512 bits */
const u64 SKEIN1024_IV_512[] = const u64 SKEIN1024_IV_512[] =
{ {
MK_64(0xCAEC0E5D, 0x7C1B1B18), MK_64(0xCAEC0E5D, 0x7C1B1B18),
MK_64(0xA01B0E04, 0x5F03E802), MK_64(0xA01B0E04, 0x5F03E802),
MK_64(0x33840451, 0xED912885), MK_64(0x33840451, 0xED912885),
MK_64(0x374AFB04, 0xEAEC2E1C), MK_64(0x374AFB04, 0xEAEC2E1C),
MK_64(0xDF25A0E2, 0x813581F7), MK_64(0xDF25A0E2, 0x813581F7),
MK_64(0xE4004093, 0x8B12F9D2), MK_64(0xE4004093, 0x8B12F9D2),
MK_64(0xA662D539, 0xC2ED39B6), MK_64(0xA662D539, 0xC2ED39B6),
MK_64(0xFA8B85CF, 0x45D8C75A), MK_64(0xFA8B85CF, 0x45D8C75A),
MK_64(0x8316ED8E, 0x29EDE796), MK_64(0x8316ED8E, 0x29EDE796),
MK_64(0x053289C0, 0x2E9F91B8), MK_64(0x053289C0, 0x2E9F91B8),
MK_64(0xC3F8EF1D, 0x6D518B73), MK_64(0xC3F8EF1D, 0x6D518B73),
MK_64(0xBDCEC3C4, 0xD5EF332E), MK_64(0xBDCEC3C4, 0xD5EF332E),
MK_64(0x549A7E52, 0x22974487), MK_64(0x549A7E52, 0x22974487),
MK_64(0x67070872, 0x5B749816), MK_64(0x67070872, 0x5B749816),
MK_64(0xB9CD28FB, 0xF0581BD1), MK_64(0xB9CD28FB, 0xF0581BD1),
MK_64(0x0E2940B8, 0x15804974) MK_64(0x0E2940B8, 0x15804974)
}; };
/* blkSize = 1024 bits. hashSize = 1024 bits */ /* blkSize = 1024 bits. hashSize = 1024 bits */
const u64 SKEIN1024_IV_1024[] = const u64 SKEIN1024_IV_1024[] =
{ {
MK_64(0xD593DA07, 0x41E72355), MK_64(0xD593DA07, 0x41E72355),
MK_64(0x15B5E511, 0xAC73E00C), MK_64(0x15B5E511, 0xAC73E00C),
MK_64(0x5180E5AE, 0xBAF2C4F0), MK_64(0x5180E5AE, 0xBAF2C4F0),
MK_64(0x03BD41D3, 0xFCBCAFAF), MK_64(0x03BD41D3, 0xFCBCAFAF),
MK_64(0x1CAEC6FD, 0x1983A898), MK_64(0x1CAEC6FD, 0x1983A898),
MK_64(0x6E510B8B, 0xCDD0589F), MK_64(0x6E510B8B, 0xCDD0589F),
MK_64(0x77E2BDFD, 0xC6394ADA), MK_64(0x77E2BDFD, 0xC6394ADA),
MK_64(0xC11E1DB5, 0x24DCB0A3), MK_64(0xC11E1DB5, 0x24DCB0A3),
MK_64(0xD6D14AF9, 0xC6329AB5), MK_64(0xD6D14AF9, 0xC6329AB5),
MK_64(0x6A9B0BFC, 0x6EB67E0D), MK_64(0x6A9B0BFC, 0x6EB67E0D),
MK_64(0x9243C60D, 0xCCFF1332), MK_64(0x9243C60D, 0xCCFF1332),
MK_64(0x1A1F1DDE, 0x743F02D4), MK_64(0x1A1F1DDE, 0x743F02D4),
MK_64(0x0996753C, 0x10ED0BB8), MK_64(0x0996753C, 0x10ED0BB8),
MK_64(0x6572DD22, 0xF2B4969A), MK_64(0x6572DD22, 0xF2B4969A),
MK_64(0x61FD3062, 0xD00A579A), MK_64(0x61FD3062, 0xD00A579A),
MK_64(0x1DE0536E, 0x8682E539) MK_64(0x1DE0536E, 0x8682E539)
}; };
#endif /* _SKEIN_IV_H_ */ #endif /* _SKEIN_IV_H_ */
drivers/staging/skein/include/threefishApi.h
View file @ 39bd42b0
...@@ -33,125 +33,125 @@ ...@@ -33,125 +33,125 @@
#define KeyScheduleConst 0x1BD11BDAA9FC1A22L #define KeyScheduleConst 0x1BD11BDAA9FC1A22L
/** /**
* Which Threefish size to use * Which Threefish size to use
*/ */
enum threefish_size { enum threefish_size {
Threefish256 = 256, /*!< Skein with 256 bit state */ Threefish256 = 256, /*!< Skein with 256 bit state */
Threefish512 = 512, /*!< Skein with 512 bit state */ Threefish512 = 512, /*!< Skein with 512 bit state */
Threefish1024 = 1024 /*!< Skein with 1024 bit state */ Threefish1024 = 1024 /*!< Skein with 1024 bit state */
}; };
/** /**
* Context for Threefish key and tweak words. * Context for Threefish key and tweak words.
* *
* This structure was setup with some know-how of the internal * This structure was setup with some know-how of the internal
* Skein structures, in particular ordering of header and size dependent * Skein structures, in particular ordering of header and size dependent
* variables. If Skein implementation changes this, the adapt these * variables. If Skein implementation changes this, the adapt these
* structures as well. * structures as well.
*/ */
struct threefish_key { struct threefish_key {
u64 stateSize; u64 stateSize;
u64 key[SKEIN_MAX_STATE_WORDS+1]; /* max number of key words*/ u64 key[SKEIN_MAX_STATE_WORDS+1]; /* max number of key words*/
u64 tweak[3]; u64 tweak[3];
}; };
/**
* Set Threefish key and tweak data.
*
* This function sets the key and tweak data for the Threefish cipher of
* the given size. The key data must have the same length (number of bits)
* as the state size
*
* @param keyCtx
* Pointer to a Threefish key structure.
* @param size
* Which Skein size to use.
* @param keyData
* Pointer to the key words (word has 64 bits).
* @param tweak
* Pointer to the two tweak words (word has 64 bits).
*/
void threefishSetKey(struct threefish_key *keyCtx, enum threefish_size stateSize, u64 *keyData, u64 *tweak);
/**
* Encrypt Threefisch block (bytes).
*
* The buffer must have at least the same length (number of bits) aas the
* state size for this key. The function uses the first @c stateSize bits
* of the input buffer, encrypts them and stores the result in the output
* buffer.
*
* @param keyCtx
* Pointer to a Threefish key structure.
* @param in
* Poionter to plaintext data buffer.
* @param out
* Pointer to cipher buffer.
*/
void threefishEncryptBlockBytes(struct threefish_key *keyCtx, u8 *in, u8 *out);
/** /**
* Set Threefish key and tweak data. * Encrypt Threefisch block (words).
* *
* This function sets the key and tweak data for the Threefish cipher of * The buffer must have at least the same length (number of bits) aas the
* the given size. The key data must have the same length (number of bits) * state size for this key. The function uses the first @c stateSize bits
* as the state size * of the input buffer, encrypts them and stores the result in the output
* * buffer.
* @param keyCtx *
* Pointer to a Threefish key structure. * The wordsize ist set to 64 bits.
* @param size *
* Which Skein size to use. * @param keyCtx
* @param keyData * Pointer to a Threefish key structure.
* Pointer to the key words (word has 64 bits). * @param in
* @param tweak * Poionter to plaintext data buffer.
* Pointer to the two tweak words (word has 64 bits). * @param out
*/ * Pointer to cipher buffer.
void threefishSetKey(struct threefish_key *keyCtx, enum threefish_size stateSize, u64 *keyData, u64 *tweak); */
void threefishEncryptBlockWords(struct threefish_key *keyCtx, u64 *in, u64 *out);
/**
* Encrypt Threefisch block (bytes).
*
* The buffer must have at least the same length (number of bits) aas the
* state size for this key. The function uses the first @c stateSize bits
* of the input buffer, encrypts them and stores the result in the output
* buffer.
*
* @param keyCtx
* Pointer to a Threefish key structure.
* @param in
* Poionter to plaintext data buffer.
* @param out
* Pointer to cipher buffer.
*/
void threefishEncryptBlockBytes(struct threefish_key *keyCtx, u8 *in, u8 *out);
/**
* Encrypt Threefisch block (words).
*
* The buffer must have at least the same length (number of bits) aas the
* state size for this key. The function uses the first @c stateSize bits
* of the input buffer, encrypts them and stores the result in the output
* buffer.
*
* The wordsize ist set to 64 bits.
*
* @param keyCtx
* Pointer to a Threefish key structure.
* @param in
* Poionter to plaintext data buffer.
* @param out
* Pointer to cipher buffer.
*/
void threefishEncryptBlockWords(struct threefish_key *keyCtx, u64 *in, u64 *out);
/** /**
* Decrypt Threefisch block (bytes). * Decrypt Threefisch block (bytes).
* *
* The buffer must have at least the same length (number of bits) aas the * The buffer must have at least the same length (number of bits) aas the
* state size for this key. The function uses the first @c stateSize bits * state size for this key. The function uses the first @c stateSize bits
* of the input buffer, decrypts them and stores the result in the output * of the input buffer, decrypts them and stores the result in the output
* buffer * buffer
* *
* @param keyCtx * @param keyCtx
* Pointer to a Threefish key structure. * Pointer to a Threefish key structure.
* @param in * @param in
* Poionter to cipher data buffer. * Poionter to cipher data buffer.
* @param out * @param out
* Pointer to plaintext buffer. * Pointer to plaintext buffer.
*/ */
void threefishDecryptBlockBytes(struct threefish_key *keyCtx, u8 *in, u8 *out); void threefishDecryptBlockBytes(struct threefish_key *keyCtx, u8 *in, u8 *out);
/** /**
* Decrypt Threefisch block (words). * Decrypt Threefisch block (words).
* *
* The buffer must have at least the same length (number of bits) aas the * The buffer must have at least the same length (number of bits) aas the
* state size for this key. The function uses the first @c stateSize bits * state size for this key. The function uses the first @c stateSize bits
* of the input buffer, encrypts them and stores the result in the output * of the input buffer, encrypts them and stores the result in the output
* buffer. * buffer.
* *
* The wordsize ist set to 64 bits. * The wordsize ist set to 64 bits.
* *
* @param keyCtx * @param keyCtx
* Pointer to a Threefish key structure. * Pointer to a Threefish key structure.
* @param in * @param in
* Poionter to cipher data buffer. * Poionter to cipher data buffer.
* @param out * @param out
* Pointer to plaintext buffer. * Pointer to plaintext buffer.
*/ */
void threefishDecryptBlockWords(struct threefish_key *keyCtx, u64 *in, u64 *out); void threefishDecryptBlockWords(struct threefish_key *keyCtx, u64 *in, u64 *out);
void threefishEncrypt256(struct threefish_key *keyCtx, u64 *input, u64 *output); void threefishEncrypt256(struct threefish_key *keyCtx, u64 *input, u64 *output);
void threefishEncrypt512(struct threefish_key *keyCtx, u64 *input, u64 *output); void threefishEncrypt512(struct threefish_key *keyCtx, u64 *input, u64 *output);
void threefishEncrypt1024(struct threefish_key *keyCtx, u64 *input, u64 *output); void threefishEncrypt1024(struct threefish_key *keyCtx, u64 *input, u64 *output);
void threefishDecrypt256(struct threefish_key *keyCtx, u64 *input, u64 *output); void threefishDecrypt256(struct threefish_key *keyCtx, u64 *input, u64 *output);
void threefishDecrypt512(struct threefish_key *keyCtx, u64 *input, u64 *output); void threefishDecrypt512(struct threefish_key *keyCtx, u64 *input, u64 *output);
void threefishDecrypt1024(struct threefish_key *keyCtx, u64 *input, u64 *output); void threefishDecrypt1024(struct threefish_key *keyCtx, u64 *input, u64 *output);
/** /**
* @} * @}
*/ */
......
drivers/staging/skein/skein.c
View file @ 39bd42b0
...@@ -28,49 +28,49 @@ void Skein1024_Process_Block(struct skein1024_ctx *ctx, const u8 *blkPtr, siz ...@@ -28,49 +28,49 @@ void Skein1024_Process_Block(struct skein1024_ctx *ctx, const u8 *blkPtr, siz
/* init the context for a straight hashing operation */ /* init the context for a straight hashing operation */
int Skein_256_Init(struct skein_256_ctx *ctx, size_t hashBitLen) int Skein_256_Init(struct skein_256_ctx *ctx, size_t hashBitLen)
{ {
union union
{ {
u8 b[SKEIN_256_STATE_BYTES]; u8 b[SKEIN_256_STATE_BYTES];
u64 w[SKEIN_256_STATE_WORDS]; u64 w[SKEIN_256_STATE_WORDS];
} cfg; /* config block */ } cfg; /* config block */
Skein_Assert(hashBitLen > 0, SKEIN_BAD_HASHLEN); Skein_Assert(hashBitLen > 0, SKEIN_BAD_HASHLEN);
ctx->h.hashBitLen = hashBitLen; /* output hash bit count */ ctx->h.hashBitLen = hashBitLen; /* output hash bit count */
switch (hashBitLen) switch (hashBitLen)
{ /* use pre-computed values, where available */ { /* use pre-computed values, where available */
case 256: case 256:
memcpy(ctx->X, SKEIN_256_IV_256, sizeof(ctx->X)); memcpy(ctx->X, SKEIN_256_IV_256, sizeof(ctx->X));
break; break;
case 224: case 224:
memcpy(ctx->X, SKEIN_256_IV_224, sizeof(ctx->X)); memcpy(ctx->X, SKEIN_256_IV_224, sizeof(ctx->X));
break; break;
case 160: case 160:
memcpy(ctx->X, SKEIN_256_IV_160, sizeof(ctx->X)); memcpy(ctx->X, SKEIN_256_IV_160, sizeof(ctx->X));
break; break;
case 128: case 128:
memcpy(ctx->X, SKEIN_256_IV_128, sizeof(ctx->X)); memcpy(ctx->X, SKEIN_256_IV_128, sizeof(ctx->X));
break; break;
default: default:
/* here if there is no precomputed IV value available */ /* here if there is no precomputed IV value available */
/* build/process the config block, type == CONFIG (could be precomputed) */ /* build/process the config block, type == CONFIG (could be precomputed) */
Skein_Start_New_Type(ctx, CFG_FINAL); /* set tweaks: T0=0; T1=CFG | FINAL */ Skein_Start_New_Type(ctx, CFG_FINAL); /* set tweaks: T0=0; T1=CFG | FINAL */
cfg.w[0] = Skein_Swap64(SKEIN_SCHEMA_VER); /* set the schema, version */ cfg.w[0] = Skein_Swap64(SKEIN_SCHEMA_VER); /* set the schema, version */
cfg.w[1] = Skein_Swap64(hashBitLen); /* hash result length in bits */ cfg.w[1] = Skein_Swap64(hashBitLen); /* hash result length in bits */
cfg.w[2] = Skein_Swap64(SKEIN_CFG_TREE_INFO_SEQUENTIAL); cfg.w[2] = Skein_Swap64(SKEIN_CFG_TREE_INFO_SEQUENTIAL);
memset(&cfg.w[3], 0, sizeof(cfg) - 3*sizeof(cfg.w[0])); /* zero pad config block */ memset(&cfg.w[3], 0, sizeof(cfg) - 3*sizeof(cfg.w[0])); /* zero pad config block */
/* compute the initial chaining values from config block */ /* compute the initial chaining values from config block */
memset(ctx->X, 0, sizeof(ctx->X)); /* zero the chaining variables */ memset(ctx->X, 0, sizeof(ctx->X)); /* zero the chaining variables */
Skein_256_Process_Block(ctx, cfg.b, 1, SKEIN_CFG_STR_LEN); Skein_256_Process_Block(ctx, cfg.b, 1, SKEIN_CFG_STR_LEN);
break; break;
} }
/* The chaining vars ctx->X are now initialized for the given hashBitLen. */ /* The chaining vars ctx->X are now initialized for the given hashBitLen. */
/* Set up to process the data message portion of the hash (default) */ /* Set up to process the data message portion of the hash (default) */
Skein_Start_New_Type(ctx, MSG); /* T0=0, T1= MSG type */ Skein_Start_New_Type(ctx, MSG); /* T0=0, T1= MSG type */
return SKEIN_SUCCESS; return SKEIN_SUCCESS;
} }
/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ /*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
...@@ -78,133 +78,133 @@ int Skein_256_Init(struct skein_256_ctx *ctx, size_t hashBitLen) ...@@ -78,133 +78,133 @@ int Skein_256_Init(struct skein_256_ctx *ctx, size_t hashBitLen)
/* [identical to Skein_256_Init() when keyBytes == 0 && treeInfo == SKEIN_CFG_TREE_INFO_SEQUENTIAL] */ /* [identical to Skein_256_Init() when keyBytes == 0 && treeInfo == SKEIN_CFG_TREE_INFO_SEQUENTIAL] */
int Skein_256_InitExt(struct skein_256_ctx *ctx, size_t hashBitLen, u64 treeInfo, const u8 *key, size_t keyBytes) int Skein_256_InitExt(struct skein_256_ctx *ctx, size_t hashBitLen, u64 treeInfo, const u8 *key, size_t keyBytes)
{ {
union union
{ {
u8 b[SKEIN_256_STATE_BYTES]; u8 b[SKEIN_256_STATE_BYTES];
u64 w[SKEIN_256_STATE_WORDS]; u64 w[SKEIN_256_STATE_WORDS];
} cfg; /* config block */ } cfg; /* config block */
Skein_Assert(hashBitLen > 0, SKEIN_BAD_HASHLEN); Skein_Assert(hashBitLen > 0, SKEIN_BAD_HASHLEN);
Skein_Assert(keyBytes == 0 || key != NULL, SKEIN_FAIL); Skein_Assert(keyBytes == 0 || key != NULL, SKEIN_FAIL);
/* compute the initial chaining values ctx->X[], based on key */ /* compute the initial chaining values ctx->X[], based on key */
if (keyBytes == 0) /* is there a key? */ if (keyBytes == 0) /* is there a key? */
{ {
memset(ctx->X, 0, sizeof(ctx->X)); /* no key: use all zeroes as key for config block */ memset(ctx->X, 0, sizeof(ctx->X)); /* no key: use all zeroes as key for config block */
} }
else /* here to pre-process a key */ else /* here to pre-process a key */
{ {
Skein_assert(sizeof(cfg.b) >= sizeof(ctx->X)); Skein_assert(sizeof(cfg.b) >= sizeof(ctx->X));
/* do a mini-Init right here */ /* do a mini-Init right here */
ctx->h.hashBitLen = 8*sizeof(ctx->X); /* set output hash bit count = state size */ ctx->h.hashBitLen = 8*sizeof(ctx->X); /* set output hash bit count = state size */
Skein_Start_New_Type(ctx, KEY); /* set tweaks: T0 = 0; T1 = KEY type */ Skein_Start_New_Type(ctx, KEY); /* set tweaks: T0 = 0; T1 = KEY type */
memset(ctx->X, 0, sizeof(ctx->X)); /* zero the initial chaining variables */ memset(ctx->X, 0, sizeof(ctx->X)); /* zero the initial chaining variables */
Skein_256_Update(ctx, key, keyBytes); /* hash the key */ Skein_256_Update(ctx, key, keyBytes); /* hash the key */
Skein_256_Final_Pad(ctx, cfg.b); /* put result into cfg.b[] */ Skein_256_Final_Pad(ctx, cfg.b); /* put result into cfg.b[] */
memcpy(ctx->X, cfg.b, sizeof(cfg.b)); /* copy over into ctx->X[] */ memcpy(ctx->X, cfg.b, sizeof(cfg.b)); /* copy over into ctx->X[] */
} }
/* build/process the config block, type == CONFIG (could be precomputed for each key) */ /* build/process the config block, type == CONFIG (could be precomputed for each key) */
ctx->h.hashBitLen = hashBitLen; /* output hash bit count */ ctx->h.hashBitLen = hashBitLen; /* output hash bit count */
Skein_Start_New_Type(ctx, CFG_FINAL); Skein_Start_New_Type(ctx, CFG_FINAL);
memset(&cfg.w, 0, sizeof(cfg.w)); /* pre-pad cfg.w[] with zeroes */ memset(&cfg.w, 0, sizeof(cfg.w)); /* pre-pad cfg.w[] with zeroes */
cfg.w[0] = Skein_Swap64(SKEIN_SCHEMA_VER); cfg.w[0] = Skein_Swap64(SKEIN_SCHEMA_VER);
cfg.w[1] = Skein_Swap64(hashBitLen); /* hash result length in bits */ cfg.w[1] = Skein_Swap64(hashBitLen); /* hash result length in bits */
cfg.w[2] = Skein_Swap64(treeInfo); /* tree hash config info (or SKEIN_CFG_TREE_INFO_SEQUENTIAL) */ cfg.w[2] = Skein_Swap64(treeInfo); /* tree hash config info (or SKEIN_CFG_TREE_INFO_SEQUENTIAL) */
Skein_Show_Key(256, &ctx->h, key, keyBytes); Skein_Show_Key(256, &ctx->h, key, keyBytes);
/* compute the initial chaining values from config block */ /* compute the initial chaining values from config block */
Skein_256_Process_Block(ctx, cfg.b, 1, SKEIN_CFG_STR_LEN); Skein_256_Process_Block(ctx, cfg.b, 1, SKEIN_CFG_STR_LEN);
/* The chaining vars ctx->X are now initialized */ /* The chaining vars ctx->X are now initialized */
/* Set up to process the data message portion of the hash (default) */ /* Set up to process the data message portion of the hash (default) */
Skein_Start_New_Type(ctx, MSG); Skein_Start_New_Type(ctx, MSG);
return SKEIN_SUCCESS; return SKEIN_SUCCESS;
} }
/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ /*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
/* process the input bytes */ /* process the input bytes */
int Skein_256_Update(struct skein_256_ctx *ctx, const u8 *msg, size_t msgByteCnt) int Skein_256_Update(struct skein_256_ctx *ctx, const u8 *msg, size_t msgByteCnt)
{ {
size_t n; size_t n;
Skein_Assert(ctx->h.bCnt <= SKEIN_256_BLOCK_BYTES, SKEIN_FAIL); /* catch uninitialized context */ Skein_Assert(ctx->h.bCnt <= SKEIN_256_BLOCK_BYTES, SKEIN_FAIL); /* catch uninitialized context */
/* process full blocks, if any */ /* process full blocks, if any */
if (msgByteCnt + ctx->h.bCnt > SKEIN_256_BLOCK_BYTES) if (msgByteCnt + ctx->h.bCnt > SKEIN_256_BLOCK_BYTES)
{ {
if (ctx->h.bCnt) /* finish up any buffered message data */ if (ctx->h.bCnt) /* finish up any buffered message data */
{ {
n = SKEIN_256_BLOCK_BYTES - ctx->h.bCnt; /* # bytes free in buffer b[] */ n = SKEIN_256_BLOCK_BYTES - ctx->h.bCnt; /* # bytes free in buffer b[] */
if (n) if (n)
{ {
Skein_assert(n < msgByteCnt); /* check on our logic here */ Skein_assert(n < msgByteCnt); /* check on our logic here */
memcpy(&ctx->b[ctx->h.bCnt], msg, n); memcpy(&ctx->b[ctx->h.bCnt], msg, n);
msgByteCnt -= n; msgByteCnt -= n;
msg += n; msg += n;
ctx->h.bCnt += n; ctx->h.bCnt += n;
} }
Skein_assert(ctx->h.bCnt == SKEIN_256_BLOCK_BYTES); Skein_assert(ctx->h.bCnt == SKEIN_256_BLOCK_BYTES);
Skein_256_Process_Block(ctx, ctx->b, 1, SKEIN_256_BLOCK_BYTES); Skein_256_Process_Block(ctx, ctx->b, 1, SKEIN_256_BLOCK_BYTES);
ctx->h.bCnt = 0; ctx->h.bCnt = 0;
} }
/* now process any remaining full blocks, directly from input message data */ /* now process any remaining full blocks, directly from input message data */
if (msgByteCnt > SKEIN_256_BLOCK_BYTES) if (msgByteCnt > SKEIN_256_BLOCK_BYTES)
{ {
n = (msgByteCnt-1) / SKEIN_256_BLOCK_BYTES; /* number of full blocks to process */ n = (msgByteCnt-1) / SKEIN_256_BLOCK_BYTES; /* number of full blocks to process */
Skein_256_Process_Block(ctx, msg, n, SKEIN_256_BLOCK_BYTES); Skein_256_Process_Block(ctx, msg, n, SKEIN_256_BLOCK_BYTES);
msgByteCnt -= n * SKEIN_256_BLOCK_BYTES; msgByteCnt -= n * SKEIN_256_BLOCK_BYTES;
msg += n * SKEIN_256_BLOCK_BYTES; msg += n * SKEIN_256_BLOCK_BYTES;
} }
Skein_assert(ctx->h.bCnt == 0); Skein_assert(ctx->h.bCnt == 0);
} }
/* copy any remaining source message data bytes into b[] */ /* copy any remaining source message data bytes into b[] */
if (msgByteCnt) if (msgByteCnt)
{ {
Skein_assert(msgByteCnt + ctx->h.bCnt <= SKEIN_256_BLOCK_BYTES); Skein_assert(msgByteCnt + ctx->h.bCnt <= SKEIN_256_BLOCK_BYTES);
memcpy(&ctx->b[ctx->h.bCnt], msg, msgByteCnt); memcpy(&ctx->b[ctx->h.bCnt], msg, msgByteCnt);
ctx->h.bCnt += msgByteCnt; ctx->h.bCnt += msgByteCnt;
} }
return SKEIN_SUCCESS; return SKEIN_SUCCESS;
} }
/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ /*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
/* finalize the hash computation and output the result */ /* finalize the hash computation and output the result */
int Skein_256_Final(struct skein_256_ctx *ctx, u8 *hashVal) int Skein_256_Final(struct skein_256_ctx *ctx, u8 *hashVal)
{ {
size_t i, n, byteCnt; size_t i, n, byteCnt;
u64 X[SKEIN_256_STATE_WORDS]; u64 X[SKEIN_256_STATE_WORDS];
Skein_Assert(ctx->h.bCnt <= SKEIN_256_BLOCK_BYTES, SKEIN_FAIL); /* catch uninitialized context */ Skein_Assert(ctx->h.bCnt <= SKEIN_256_BLOCK_BYTES, SKEIN_FAIL); /* catch uninitialized context */
ctx->h.T[1] |= SKEIN_T1_FLAG_FINAL; /* tag as the final block */ ctx->h.T[1] |= SKEIN_T1_FLAG_FINAL; /* tag as the final block */
if (ctx->h.bCnt < SKEIN_256_BLOCK_BYTES) /* zero pad b[] if necessary */ if (ctx->h.bCnt < SKEIN_256_BLOCK_BYTES) /* zero pad b[] if necessary */
memset(&ctx->b[ctx->h.bCnt], 0, SKEIN_256_BLOCK_BYTES - ctx->h.bCnt); memset(&ctx->b[ctx->h.bCnt], 0, SKEIN_256_BLOCK_BYTES - ctx->h.bCnt);
Skein_256_Process_Block(ctx, ctx->b, 1, ctx->h.bCnt); /* process the final block */ Skein_256_Process_Block(ctx, ctx->b, 1, ctx->h.bCnt); /* process the final block */
/* now output the result */ /* now output the result */
byteCnt = (ctx->h.hashBitLen + 7) >> 3; /* total number of output bytes */ byteCnt = (ctx->h.hashBitLen + 7) >> 3; /* total number of output bytes */
/* run Threefish in "counter mode" to generate output */ /* run Threefish in "counter mode" to generate output */
memset(ctx->b, 0, sizeof(ctx->b)); /* zero out b[], so it can hold the counter */ memset(ctx->b, 0, sizeof(ctx->b)); /* zero out b[], so it can hold the counter */
memcpy(X, ctx->X, sizeof(X)); /* keep a local copy of counter mode "key" */ memcpy(X, ctx->X, sizeof(X)); /* keep a local copy of counter mode "key" */
for (i = 0; i*SKEIN_256_BLOCK_BYTES < byteCnt; i++) for (i = 0; i*SKEIN_256_BLOCK_BYTES < byteCnt; i++)
{ {
((u64 *)ctx->b)[0] = Skein_Swap64((u64) i); /* build the counter block */ ((u64 *)ctx->b)[0] = Skein_Swap64((u64) i); /* build the counter block */
Skein_Start_New_Type(ctx, OUT_FINAL); Skein_Start_New_Type(ctx, OUT_FINAL);
Skein_256_Process_Block(ctx, ctx->b, 1, sizeof(u64)); /* run "counter mode" */ Skein_256_Process_Block(ctx, ctx->b, 1, sizeof(u64)); /* run "counter mode" */
n = byteCnt - i*SKEIN_256_BLOCK_BYTES; /* number of output bytes left to go */ n = byteCnt - i*SKEIN_256_BLOCK_BYTES; /* number of output bytes left to go */
if (n >= SKEIN_256_BLOCK_BYTES) if (n >= SKEIN_256_BLOCK_BYTES)
n = SKEIN_256_BLOCK_BYTES; n = SKEIN_256_BLOCK_BYTES;
Skein_Put64_LSB_First(hashVal+i*SKEIN_256_BLOCK_BYTES, ctx->X, n); /* "output" the ctr mode bytes */ Skein_Put64_LSB_First(hashVal+i*SKEIN_256_BLOCK_BYTES, ctx->X, n); /* "output" the ctr mode bytes */
Skein_Show_Final(256, &ctx->h, n, hashVal+i*SKEIN_256_BLOCK_BYTES); Skein_Show_Final(256, &ctx->h, n, hashVal+i*SKEIN_256_BLOCK_BYTES);
memcpy(ctx->X, X, sizeof(X)); /* restore the counter mode key for next time */ memcpy(ctx->X, X, sizeof(X)); /* restore the counter mode key for next time */
} }
return SKEIN_SUCCESS; return SKEIN_SUCCESS;
} }
/*****************************************************************/ /*****************************************************************/
...@@ -215,50 +215,50 @@ int Skein_256_Final(struct skein_256_ctx *ctx, u8 *hashVal) ...@@ -215,50 +215,50 @@ int Skein_256_Final(struct skein_256_ctx *ctx, u8 *hashVal)
/* init the context for a straight hashing operation */ /* init the context for a straight hashing operation */
int Skein_512_Init(struct skein_512_ctx *ctx, size_t hashBitLen) int Skein_512_Init(struct skein_512_ctx *ctx, size_t hashBitLen)
{ {
union union
{ {
u8 b[SKEIN_512_STATE_BYTES]; u8 b[SKEIN_512_STATE_BYTES];
u64 w[SKEIN_512_STATE_WORDS]; u64 w[SKEIN_512_STATE_WORDS];
} cfg; /* config block */ } cfg; /* config block */
Skein_Assert(hashBitLen > 0, SKEIN_BAD_HASHLEN); Skein_Assert(hashBitLen > 0, SKEIN_BAD_HASHLEN);
ctx->h.hashBitLen = hashBitLen; /* output hash bit count */ ctx->h.hashBitLen = hashBitLen; /* output hash bit count */
switch (hashBitLen) switch (hashBitLen)
{ /* use pre-computed values, where available */ { /* use pre-computed values, where available */
case 512: case 512:
memcpy(ctx->X, SKEIN_512_IV_512, sizeof(ctx->X)); memcpy(ctx->X, SKEIN_512_IV_512, sizeof(ctx->X));
break; break;
case 384: case 384:
memcpy(ctx->X, SKEIN_512_IV_384, sizeof(ctx->X)); memcpy(ctx->X, SKEIN_512_IV_384, sizeof(ctx->X));
break; break;
case 256: case 256:
memcpy(ctx->X, SKEIN_512_IV_256, sizeof(ctx->X)); memcpy(ctx->X, SKEIN_512_IV_256, sizeof(ctx->X));
break; break;
case 224: case 224:
memcpy(ctx->X, SKEIN_512_IV_224, sizeof(ctx->X)); memcpy(ctx->X, SKEIN_512_IV_224, sizeof(ctx->X));
break; break;
default: default:
/* here if there is no precomputed IV value available */ /* here if there is no precomputed IV value available */
/* build/process the config block, type == CONFIG (could be precomputed) */ /* build/process the config block, type == CONFIG (could be precomputed) */
Skein_Start_New_Type(ctx, CFG_FINAL); /* set tweaks: T0=0; T1=CFG | FINAL */ Skein_Start_New_Type(ctx, CFG_FINAL); /* set tweaks: T0=0; T1=CFG | FINAL */
cfg.w[0] = Skein_Swap64(SKEIN_SCHEMA_VER); /* set the schema, version */ cfg.w[0] = Skein_Swap64(SKEIN_SCHEMA_VER); /* set the schema, version */
cfg.w[1] = Skein_Swap64(hashBitLen); /* hash result length in bits */ cfg.w[1] = Skein_Swap64(hashBitLen); /* hash result length in bits */
cfg.w[2] = Skein_Swap64(SKEIN_CFG_TREE_INFO_SEQUENTIAL); cfg.w[2] = Skein_Swap64(SKEIN_CFG_TREE_INFO_SEQUENTIAL);
memset(&cfg.w[3], 0, sizeof(cfg) - 3*sizeof(cfg.w[0])); /* zero pad config block */ memset(&cfg.w[3], 0, sizeof(cfg) - 3*sizeof(cfg.w[0])); /* zero pad config block */
/* compute the initial chaining values from config block */ /* compute the initial chaining values from config block */
memset(ctx->X, 0, sizeof(ctx->X)); /* zero the chaining variables */ memset(ctx->X, 0, sizeof(ctx->X)); /* zero the chaining variables */
Skein_512_Process_Block(ctx, cfg.b, 1, SKEIN_CFG_STR_LEN); Skein_512_Process_Block(ctx, cfg.b, 1, SKEIN_CFG_STR_LEN);
break; break;
} }
/* The chaining vars ctx->X are now initialized for the given hashBitLen. */ /* The chaining vars ctx->X are now initialized for the given hashBitLen. */
/* Set up to process the data message portion of the hash (default) */ /* Set up to process the data message portion of the hash (default) */
Skein_Start_New_Type(ctx, MSG); /* T0=0, T1= MSG type */ Skein_Start_New_Type(ctx, MSG); /* T0=0, T1= MSG type */
return SKEIN_SUCCESS; return SKEIN_SUCCESS;
} }
/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ /*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
...@@ -266,133 +266,133 @@ int Skein_512_Init(struct skein_512_ctx *ctx, size_t hashBitLen) ...@@ -266,133 +266,133 @@ int Skein_512_Init(struct skein_512_ctx *ctx, size_t hashBitLen)
/* [identical to Skein_512_Init() when keyBytes == 0 && treeInfo == SKEIN_CFG_TREE_INFO_SEQUENTIAL] */ /* [identical to Skein_512_Init() when keyBytes == 0 && treeInfo == SKEIN_CFG_TREE_INFO_SEQUENTIAL] */
int Skein_512_InitExt(struct skein_512_ctx *ctx, size_t hashBitLen, u64 treeInfo, const u8 *key, size_t keyBytes) int Skein_512_InitExt(struct skein_512_ctx *ctx, size_t hashBitLen, u64 treeInfo, const u8 *key, size_t keyBytes)
{ {
union union
{ {
u8 b[SKEIN_512_STATE_BYTES]; u8 b[SKEIN_512_STATE_BYTES];
u64 w[SKEIN_512_STATE_WORDS]; u64 w[SKEIN_512_STATE_WORDS];
} cfg; /* config block */ } cfg; /* config block */
Skein_Assert(hashBitLen > 0, SKEIN_BAD_HASHLEN); Skein_Assert(hashBitLen > 0, SKEIN_BAD_HASHLEN);
Skein_Assert(keyBytes == 0 || key != NULL, SKEIN_FAIL); Skein_Assert(keyBytes == 0 || key != NULL, SKEIN_FAIL);
/* compute the initial chaining values ctx->X[], based on key */ /* compute the initial chaining values ctx->X[], based on key */
if (keyBytes == 0) /* is there a key? */ if (keyBytes == 0) /* is there a key? */
{ {
memset(ctx->X, 0, sizeof(ctx->X)); /* no key: use all zeroes as key for config block */ memset(ctx->X, 0, sizeof(ctx->X)); /* no key: use all zeroes as key for config block */
} }
else /* here to pre-process a key */ else /* here to pre-process a key */
{ {
Skein_assert(sizeof(cfg.b) >= sizeof(ctx->X)); Skein_assert(sizeof(cfg.b) >= sizeof(ctx->X));
/* do a mini-Init right here */ /* do a mini-Init right here */
ctx->h.hashBitLen = 8*sizeof(ctx->X); /* set output hash bit count = state size */ ctx->h.hashBitLen = 8*sizeof(ctx->X); /* set output hash bit count = state size */
Skein_Start_New_Type(ctx, KEY); /* set tweaks: T0 = 0; T1 = KEY type */ Skein_Start_New_Type(ctx, KEY); /* set tweaks: T0 = 0; T1 = KEY type */
memset(ctx->X, 0, sizeof(ctx->X)); /* zero the initial chaining variables */ memset(ctx->X, 0, sizeof(ctx->X)); /* zero the initial chaining variables */
Skein_512_Update(ctx, key, keyBytes); /* hash the key */ Skein_512_Update(ctx, key, keyBytes); /* hash the key */
Skein_512_Final_Pad(ctx, cfg.b); /* put result into cfg.b[] */ Skein_512_Final_Pad(ctx, cfg.b); /* put result into cfg.b[] */
memcpy(ctx->X, cfg.b, sizeof(cfg.b)); /* copy over into ctx->X[] */ memcpy(ctx->X, cfg.b, sizeof(cfg.b)); /* copy over into ctx->X[] */
} }
/* build/process the config block, type == CONFIG (could be precomputed for each key) */ /* build/process the config block, type == CONFIG (could be precomputed for each key) */
ctx->h.hashBitLen = hashBitLen; /* output hash bit count */ ctx->h.hashBitLen = hashBitLen; /* output hash bit count */
Skein_Start_New_Type(ctx, CFG_FINAL); Skein_Start_New_Type(ctx, CFG_FINAL);
memset(&cfg.w, 0, sizeof(cfg.w)); /* pre-pad cfg.w[] with zeroes */ memset(&cfg.w, 0, sizeof(cfg.w)); /* pre-pad cfg.w[] with zeroes */
cfg.w[0] = Skein_Swap64(SKEIN_SCHEMA_VER); cfg.w[0] = Skein_Swap64(SKEIN_SCHEMA_VER);
cfg.w[1] = Skein_Swap64(hashBitLen); /* hash result length in bits */ cfg.w[1] = Skein_Swap64(hashBitLen); /* hash result length in bits */
cfg.w[2] = Skein_Swap64(treeInfo); /* tree hash config info (or SKEIN_CFG_TREE_INFO_SEQUENTIAL) */ cfg.w[2] = Skein_Swap64(treeInfo); /* tree hash config info (or SKEIN_CFG_TREE_INFO_SEQUENTIAL) */
Skein_Show_Key(512, &ctx->h, key, keyBytes); Skein_Show_Key(512, &ctx->h, key, keyBytes);
/* compute the initial chaining values from config block */ /* compute the initial chaining values from config block */
Skein_512_Process_Block(ctx, cfg.b, 1, SKEIN_CFG_STR_LEN); Skein_512_Process_Block(ctx, cfg.b, 1, SKEIN_CFG_STR_LEN);
/* The chaining vars ctx->X are now initialized */ /* The chaining vars ctx->X are now initialized */
/* Set up to process the data message portion of the hash (default) */ /* Set up to process the data message portion of the hash (default) */
Skein_Start_New_Type(ctx, MSG); Skein_Start_New_Type(ctx, MSG);
return SKEIN_SUCCESS; return SKEIN_SUCCESS;
} }
/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ /*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
/* process the input bytes */ /* process the input bytes */
int Skein_512_Update(struct skein_512_ctx *ctx, const u8 *msg, size_t msgByteCnt) int Skein_512_Update(struct skein_512_ctx *ctx, const u8 *msg, size_t msgByteCnt)
{ {
size_t n; size_t n;
Skein_Assert(ctx->h.bCnt <= SKEIN_512_BLOCK_BYTES, SKEIN_FAIL); /* catch uninitialized context */ Skein_Assert(ctx->h.bCnt <= SKEIN_512_BLOCK_BYTES, SKEIN_FAIL); /* catch uninitialized context */
/* process full blocks, if any */ /* process full blocks, if any */
if (msgByteCnt + ctx->h.bCnt > SKEIN_512_BLOCK_BYTES) if (msgByteCnt + ctx->h.bCnt > SKEIN_512_BLOCK_BYTES)
{ {
if (ctx->h.bCnt) /* finish up any buffered message data */ if (ctx->h.bCnt) /* finish up any buffered message data */
{ {
n = SKEIN_512_BLOCK_BYTES - ctx->h.bCnt; /* # bytes free in buffer b[] */ n = SKEIN_512_BLOCK_BYTES - ctx->h.bCnt; /* # bytes free in buffer b[] */
if (n) if (n)
{ {
Skein_assert(n < msgByteCnt); /* check on our logic here */ Skein_assert(n < msgByteCnt); /* check on our logic here */
memcpy(&ctx->b[ctx->h.bCnt], msg, n); memcpy(&ctx->b[ctx->h.bCnt], msg, n);
msgByteCnt -= n; msgByteCnt -= n;
msg += n; msg += n;
ctx->h.bCnt += n; ctx->h.bCnt += n;
} }
Skein_assert(ctx->h.bCnt == SKEIN_512_BLOCK_BYTES); Skein_assert(ctx->h.bCnt == SKEIN_512_BLOCK_BYTES);
Skein_512_Process_Block(ctx, ctx->b, 1, SKEIN_512_BLOCK_BYTES); Skein_512_Process_Block(ctx, ctx->b, 1, SKEIN_512_BLOCK_BYTES);
ctx->h.bCnt = 0; ctx->h.bCnt = 0;
} }
/* now process any remaining full blocks, directly from input message data */ /* now process any remaining full blocks, directly from input message data */
if (msgByteCnt > SKEIN_512_BLOCK_BYTES) if (msgByteCnt > SKEIN_512_BLOCK_BYTES)
{ {
n = (msgByteCnt-1) / SKEIN_512_BLOCK_BYTES; /* number of full blocks to process */ n = (msgByteCnt-1) / SKEIN_512_BLOCK_BYTES; /* number of full blocks to process */
Skein_512_Process_Block(ctx, msg, n, SKEIN_512_BLOCK_BYTES); Skein_512_Process_Block(ctx, msg, n, SKEIN_512_BLOCK_BYTES);
msgByteCnt -= n * SKEIN_512_BLOCK_BYTES; msgByteCnt -= n * SKEIN_512_BLOCK_BYTES;
msg += n * SKEIN_512_BLOCK_BYTES; msg += n * SKEIN_512_BLOCK_BYTES;
} }
Skein_assert(ctx->h.bCnt == 0); Skein_assert(ctx->h.bCnt == 0);
} }
/* copy any remaining source message data bytes into b[] */ /* copy any remaining source message data bytes into b[] */
if (msgByteCnt) if (msgByteCnt)
{ {
Skein_assert(msgByteCnt + ctx->h.bCnt <= SKEIN_512_BLOCK_BYTES); Skein_assert(msgByteCnt + ctx->h.bCnt <= SKEIN_512_BLOCK_BYTES);
memcpy(&ctx->b[ctx->h.bCnt], msg, msgByteCnt); memcpy(&ctx->b[ctx->h.bCnt], msg, msgByteCnt);
ctx->h.bCnt += msgByteCnt; ctx->h.bCnt += msgByteCnt;
} }
return SKEIN_SUCCESS; return SKEIN_SUCCESS;
} }
/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ /*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
/* finalize the hash computation and output the result */ /* finalize the hash computation and output the result */
int Skein_512_Final(struct skein_512_ctx *ctx, u8 *hashVal) int Skein_512_Final(struct skein_512_ctx *ctx, u8 *hashVal)
{ {
size_t i, n, byteCnt; size_t i, n, byteCnt;
u64 X[SKEIN_512_STATE_WORDS]; u64 X[SKEIN_512_STATE_WORDS];
Skein_Assert(ctx->h.bCnt <= SKEIN_512_BLOCK_BYTES, SKEIN_FAIL); /* catch uninitialized context */ Skein_Assert(ctx->h.bCnt <= SKEIN_512_BLOCK_BYTES, SKEIN_FAIL); /* catch uninitialized context */
ctx->h.T[1] |= SKEIN_T1_FLAG_FINAL; /* tag as the final block */ ctx->h.T[1] |= SKEIN_T1_FLAG_FINAL; /* tag as the final block */
if (ctx->h.bCnt < SKEIN_512_BLOCK_BYTES) /* zero pad b[] if necessary */ if (ctx->h.bCnt < SKEIN_512_BLOCK_BYTES) /* zero pad b[] if necessary */
memset(&ctx->b[ctx->h.bCnt], 0, SKEIN_512_BLOCK_BYTES - ctx->h.bCnt); memset(&ctx->b[ctx->h.bCnt], 0, SKEIN_512_BLOCK_BYTES - ctx->h.bCnt);
Skein_512_Process_Block(ctx, ctx->b, 1, ctx->h.bCnt); /* process the final block */ Skein_512_Process_Block(ctx, ctx->b, 1, ctx->h.bCnt); /* process the final block */
/* now output the result */ /* now output the result */
byteCnt = (ctx->h.hashBitLen + 7) >> 3; /* total number of output bytes */ byteCnt = (ctx->h.hashBitLen + 7) >> 3; /* total number of output bytes */
/* run Threefish in "counter mode" to generate output */ /* run Threefish in "counter mode" to generate output */
memset(ctx->b, 0, sizeof(ctx->b)); /* zero out b[], so it can hold the counter */ memset(ctx->b, 0, sizeof(ctx->b)); /* zero out b[], so it can hold the counter */
memcpy(X, ctx->X, sizeof(X)); /* keep a local copy of counter mode "key" */ memcpy(X, ctx->X, sizeof(X)); /* keep a local copy of counter mode "key" */
for (i = 0; i*SKEIN_512_BLOCK_BYTES < byteCnt; i++) for (i = 0; i*SKEIN_512_BLOCK_BYTES < byteCnt; i++)
{ {
((u64 *)ctx->b)[0] = Skein_Swap64((u64) i); /* build the counter block */ ((u64 *)ctx->b)[0] = Skein_Swap64((u64) i); /* build the counter block */
Skein_Start_New_Type(ctx, OUT_FINAL); Skein_Start_New_Type(ctx, OUT_FINAL);
Skein_512_Process_Block(ctx, ctx->b, 1, sizeof(u64)); /* run "counter mode" */ Skein_512_Process_Block(ctx, ctx->b, 1, sizeof(u64)); /* run "counter mode" */
n = byteCnt - i*SKEIN_512_BLOCK_BYTES; /* number of output bytes left to go */ n = byteCnt - i*SKEIN_512_BLOCK_BYTES; /* number of output bytes left to go */
if (n >= SKEIN_512_BLOCK_BYTES) if (n >= SKEIN_512_BLOCK_BYTES)
n = SKEIN_512_BLOCK_BYTES; n = SKEIN_512_BLOCK_BYTES;
Skein_Put64_LSB_First(hashVal+i*SKEIN_512_BLOCK_BYTES, ctx->X, n); /* "output" the ctr mode bytes */ Skein_Put64_LSB_First(hashVal+i*SKEIN_512_BLOCK_BYTES, ctx->X, n); /* "output" the ctr mode bytes */
Skein_Show_Final(512, &ctx->h, n, hashVal+i*SKEIN_512_BLOCK_BYTES); Skein_Show_Final(512, &ctx->h, n, hashVal+i*SKEIN_512_BLOCK_BYTES);
memcpy(ctx->X, X, sizeof(X)); /* restore the counter mode key for next time */ memcpy(ctx->X, X, sizeof(X)); /* restore the counter mode key for next time */
} }
return SKEIN_SUCCESS; return SKEIN_SUCCESS;
} }
/*****************************************************************/ /*****************************************************************/
...@@ -403,47 +403,47 @@ int Skein_512_Final(struct skein_512_ctx *ctx, u8 *hashVal) ...@@ -403,47 +403,47 @@ int Skein_512_Final(struct skein_512_ctx *ctx, u8 *hashVal)
/* init the context for a straight hashing operation */ /* init the context for a straight hashing operation */
int Skein1024_Init(struct skein1024_ctx *ctx, size_t hashBitLen) int Skein1024_Init(struct skein1024_ctx *ctx, size_t hashBitLen)
{ {
union union
{ {
u8 b[SKEIN1024_STATE_BYTES]; u8 b[SKEIN1024_STATE_BYTES];
u64 w[SKEIN1024_STATE_WORDS]; u64 w[SKEIN1024_STATE_WORDS];
} cfg; /* config block */ } cfg; /* config block */
Skein_Assert(hashBitLen > 0, SKEIN_BAD_HASHLEN); Skein_Assert(hashBitLen > 0, SKEIN_BAD_HASHLEN);
ctx->h.hashBitLen = hashBitLen; /* output hash bit count */ ctx->h.hashBitLen = hashBitLen; /* output hash bit count */
switch (hashBitLen) switch (hashBitLen)
{ /* use pre-computed values, where available */ { /* use pre-computed values, where available */
case 512: case 512:
memcpy(ctx->X, SKEIN1024_IV_512, sizeof(ctx->X)); memcpy(ctx->X, SKEIN1024_IV_512, sizeof(ctx->X));
break; break;
case 384: case 384:
memcpy(ctx->X, SKEIN1024_IV_384, sizeof(ctx->X)); memcpy(ctx->X, SKEIN1024_IV_384, sizeof(ctx->X));
break; break;
case 1024: case 1024:
memcpy(ctx->X, SKEIN1024_IV_1024, sizeof(ctx->X)); memcpy(ctx->X, SKEIN1024_IV_1024, sizeof(ctx->X));
break; break;
default: default:
/* here if there is no precomputed IV value available */ /* here if there is no precomputed IV value available */
/* build/process the config block, type == CONFIG (could be precomputed) */ /* build/process the config block, type == CONFIG (could be precomputed) */
Skein_Start_New_Type(ctx, CFG_FINAL); /* set tweaks: T0=0; T1=CFG | FINAL */ Skein_Start_New_Type(ctx, CFG_FINAL); /* set tweaks: T0=0; T1=CFG | FINAL */
cfg.w[0] = Skein_Swap64(SKEIN_SCHEMA_VER); /* set the schema, version */ cfg.w[0] = Skein_Swap64(SKEIN_SCHEMA_VER); /* set the schema, version */
cfg.w[1] = Skein_Swap64(hashBitLen); /* hash result length in bits */ cfg.w[1] = Skein_Swap64(hashBitLen); /* hash result length in bits */
cfg.w[2] = Skein_Swap64(SKEIN_CFG_TREE_INFO_SEQUENTIAL); cfg.w[2] = Skein_Swap64(SKEIN_CFG_TREE_INFO_SEQUENTIAL);
memset(&cfg.w[3], 0, sizeof(cfg) - 3*sizeof(cfg.w[0])); /* zero pad config block */ memset(&cfg.w[3], 0, sizeof(cfg) - 3*sizeof(cfg.w[0])); /* zero pad config block */
/* compute the initial chaining values from config block */ /* compute the initial chaining values from config block */
memset(ctx->X, 0, sizeof(ctx->X)); /* zero the chaining variables */ memset(ctx->X, 0, sizeof(ctx->X)); /* zero the chaining variables */
Skein1024_Process_Block(ctx, cfg.b, 1, SKEIN_CFG_STR_LEN); Skein1024_Process_Block(ctx, cfg.b, 1, SKEIN_CFG_STR_LEN);
break; break;
} }
/* The chaining vars ctx->X are now initialized for the given hashBitLen. */ /* The chaining vars ctx->X are now initialized for the given hashBitLen. */
/* Set up to process the data message portion of the hash (default) */ /* Set up to process the data message portion of the hash (default) */
Skein_Start_New_Type(ctx, MSG); /* T0=0, T1= MSG type */ Skein_Start_New_Type(ctx, MSG); /* T0=0, T1= MSG type */
return SKEIN_SUCCESS; return SKEIN_SUCCESS;
} }
/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ /*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
...@@ -451,133 +451,133 @@ int Skein1024_Init(struct skein1024_ctx *ctx, size_t hashBitLen) ...@@ -451,133 +451,133 @@ int Skein1024_Init(struct skein1024_ctx *ctx, size_t hashBitLen)
/* [identical to Skein1024_Init() when keyBytes == 0 && treeInfo == SKEIN_CFG_TREE_INFO_SEQUENTIAL] */ /* [identical to Skein1024_Init() when keyBytes == 0 && treeInfo == SKEIN_CFG_TREE_INFO_SEQUENTIAL] */
int Skein1024_InitExt(struct skein1024_ctx *ctx, size_t hashBitLen, u64 treeInfo, const u8 *key, size_t keyBytes) int Skein1024_InitExt(struct skein1024_ctx *ctx, size_t hashBitLen, u64 treeInfo, const u8 *key, size_t keyBytes)
{ {
union union
{ {
u8 b[SKEIN1024_STATE_BYTES]; u8 b[SKEIN1024_STATE_BYTES];
u64 w[SKEIN1024_STATE_WORDS]; u64 w[SKEIN1024_STATE_WORDS];
} cfg; /* config block */ } cfg; /* config block */
Skein_Assert(hashBitLen > 0, SKEIN_BAD_HASHLEN); Skein_Assert(hashBitLen > 0, SKEIN_BAD_HASHLEN);
Skein_Assert(keyBytes == 0 || key != NULL, SKEIN_FAIL); Skein_Assert(keyBytes == 0 || key != NULL, SKEIN_FAIL);
/* compute the initial chaining values ctx->X[], based on key */ /* compute the initial chaining values ctx->X[], based on key */
if (keyBytes == 0) /* is there a key? */ if (keyBytes == 0) /* is there a key? */
{ {
memset(ctx->X, 0, sizeof(ctx->X)); /* no key: use all zeroes as key for config block */ memset(ctx->X, 0, sizeof(ctx->X)); /* no key: use all zeroes as key for config block */
} }
else /* here to pre-process a key */ else /* here to pre-process a key */
{ {
Skein_assert(sizeof(cfg.b) >= sizeof(ctx->X)); Skein_assert(sizeof(cfg.b) >= sizeof(ctx->X));
/* do a mini-Init right here */ /* do a mini-Init right here */
ctx->h.hashBitLen = 8*sizeof(ctx->X); /* set output hash bit count = state size */ ctx->h.hashBitLen = 8*sizeof(ctx->X); /* set output hash bit count = state size */
Skein_Start_New_Type(ctx, KEY); /* set tweaks: T0 = 0; T1 = KEY type */ Skein_Start_New_Type(ctx, KEY); /* set tweaks: T0 = 0; T1 = KEY type */
memset(ctx->X, 0, sizeof(ctx->X)); /* zero the initial chaining variables */ memset(ctx->X, 0, sizeof(ctx->X)); /* zero the initial chaining variables */
Skein1024_Update(ctx, key, keyBytes); /* hash the key */ Skein1024_Update(ctx, key, keyBytes); /* hash the key */
Skein1024_Final_Pad(ctx, cfg.b); /* put result into cfg.b[] */ Skein1024_Final_Pad(ctx, cfg.b); /* put result into cfg.b[] */
memcpy(ctx->X, cfg.b, sizeof(cfg.b)); /* copy over into ctx->X[] */ memcpy(ctx->X, cfg.b, sizeof(cfg.b)); /* copy over into ctx->X[] */
} }
/* build/process the config block, type == CONFIG (could be precomputed for each key) */ /* build/process the config block, type == CONFIG (could be precomputed for each key) */
ctx->h.hashBitLen = hashBitLen; /* output hash bit count */ ctx->h.hashBitLen = hashBitLen; /* output hash bit count */
Skein_Start_New_Type(ctx, CFG_FINAL); Skein_Start_New_Type(ctx, CFG_FINAL);
memset(&cfg.w, 0, sizeof(cfg.w)); /* pre-pad cfg.w[] with zeroes */ memset(&cfg.w, 0, sizeof(cfg.w)); /* pre-pad cfg.w[] with zeroes */
cfg.w[0] = Skein_Swap64(SKEIN_SCHEMA_VER); cfg.w[0] = Skein_Swap64(SKEIN_SCHEMA_VER);
cfg.w[1] = Skein_Swap64(hashBitLen); /* hash result length in bits */ cfg.w[1] = Skein_Swap64(hashBitLen); /* hash result length in bits */
cfg.w[2] = Skein_Swap64(treeInfo); /* tree hash config info (or SKEIN_CFG_TREE_INFO_SEQUENTIAL) */ cfg.w[2] = Skein_Swap64(treeInfo); /* tree hash config info (or SKEIN_CFG_TREE_INFO_SEQUENTIAL) */
Skein_Show_Key(1024, &ctx->h, key, keyBytes); Skein_Show_Key(1024, &ctx->h, key, keyBytes);
/* compute the initial chaining values from config block */ /* compute the initial chaining values from config block */
Skein1024_Process_Block(ctx, cfg.b, 1, SKEIN_CFG_STR_LEN); Skein1024_Process_Block(ctx, cfg.b, 1, SKEIN_CFG_STR_LEN);
/* The chaining vars ctx->X are now initialized */ /* The chaining vars ctx->X are now initialized */
/* Set up to process the data message portion of the hash (default) */ /* Set up to process the data message portion of the hash (default) */
Skein_Start_New_Type(ctx, MSG); Skein_Start_New_Type(ctx, MSG);
return SKEIN_SUCCESS; return SKEIN_SUCCESS;
} }
/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ /*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
/* process the input bytes */ /* process the input bytes */
int Skein1024_Update(struct skein1024_ctx *ctx, const u8 *msg, size_t msgByteCnt) int Skein1024_Update(struct skein1024_ctx *ctx, const u8 *msg, size_t msgByteCnt)
{ {
size_t n; size_t n;
Skein_Assert(ctx->h.bCnt <= SKEIN1024_BLOCK_BYTES, SKEIN_FAIL); /* catch uninitialized context */ Skein_Assert(ctx->h.bCnt <= SKEIN1024_BLOCK_BYTES, SKEIN_FAIL); /* catch uninitialized context */
/* process full blocks, if any */ /* process full blocks, if any */
if (msgByteCnt + ctx->h.bCnt > SKEIN1024_BLOCK_BYTES) if (msgByteCnt + ctx->h.bCnt > SKEIN1024_BLOCK_BYTES)
{ {
if (ctx->h.bCnt) /* finish up any buffered message data */ if (ctx->h.bCnt) /* finish up any buffered message data */
{ {
n = SKEIN1024_BLOCK_BYTES - ctx->h.bCnt; /* # bytes free in buffer b[] */ n = SKEIN1024_BLOCK_BYTES - ctx->h.bCnt; /* # bytes free in buffer b[] */
if (n) if (n)
{ {
Skein_assert(n < msgByteCnt); /* check on our logic here */ Skein_assert(n < msgByteCnt); /* check on our logic here */
memcpy(&ctx->b[ctx->h.bCnt], msg, n); memcpy(&ctx->b[ctx->h.bCnt], msg, n);
msgByteCnt -= n; msgByteCnt -= n;
msg += n; msg += n;
ctx->h.bCnt += n; ctx->h.bCnt += n;
} }
Skein_assert(ctx->h.bCnt == SKEIN1024_BLOCK_BYTES); Skein_assert(ctx->h.bCnt == SKEIN1024_BLOCK_BYTES);
Skein1024_Process_Block(ctx, ctx->b, 1, SKEIN1024_BLOCK_BYTES); Skein1024_Process_Block(ctx, ctx->b, 1, SKEIN1024_BLOCK_BYTES);
ctx->h.bCnt = 0; ctx->h.bCnt = 0;
} }
/* now process any remaining full blocks, directly from input message data */ /* now process any remaining full blocks, directly from input message data */
if (msgByteCnt > SKEIN1024_BLOCK_BYTES) if (msgByteCnt > SKEIN1024_BLOCK_BYTES)
{ {
n = (msgByteCnt-1) / SKEIN1024_BLOCK_BYTES; /* number of full blocks to process */ n = (msgByteCnt-1) / SKEIN1024_BLOCK_BYTES; /* number of full blocks to process */
Skein1024_Process_Block(ctx, msg, n, SKEIN1024_BLOCK_BYTES); Skein1024_Process_Block(ctx, msg, n, SKEIN1024_BLOCK_BYTES);
msgByteCnt -= n * SKEIN1024_BLOCK_BYTES; msgByteCnt -= n * SKEIN1024_BLOCK_BYTES;
msg += n * SKEIN1024_BLOCK_BYTES; msg += n * SKEIN1024_BLOCK_BYTES;
} }
Skein_assert(ctx->h.bCnt == 0); Skein_assert(ctx->h.bCnt == 0);
} }
/* copy any remaining source message data bytes into b[] */ /* copy any remaining source message data bytes into b[] */
if (msgByteCnt) if (msgByteCnt)
{ {
Skein_assert(msgByteCnt + ctx->h.bCnt <= SKEIN1024_BLOCK_BYTES); Skein_assert(msgByteCnt + ctx->h.bCnt <= SKEIN1024_BLOCK_BYTES);
memcpy(&ctx->b[ctx->h.bCnt], msg, msgByteCnt); memcpy(&ctx->b[ctx->h.bCnt], msg, msgByteCnt);
ctx->h.bCnt += msgByteCnt; ctx->h.bCnt += msgByteCnt;
} }
return SKEIN_SUCCESS; return SKEIN_SUCCESS;
} }
/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ /*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
/* finalize the hash computation and output the result */ /* finalize the hash computation and output the result */
int Skein1024_Final(struct skein1024_ctx *ctx, u8 *hashVal) int Skein1024_Final(struct skein1024_ctx *ctx, u8 *hashVal)
{ {
size_t i, n, byteCnt; size_t i, n, byteCnt;
u64 X[SKEIN1024_STATE_WORDS]; u64 X[SKEIN1024_STATE_WORDS];
Skein_Assert(ctx->h.bCnt <= SKEIN1024_BLOCK_BYTES, SKEIN_FAIL); /* catch uninitialized context */ Skein_Assert(ctx->h.bCnt <= SKEIN1024_BLOCK_BYTES, SKEIN_FAIL); /* catch uninitialized context */
ctx->h.T[1] |= SKEIN_T1_FLAG_FINAL; /* tag as the final block */ ctx->h.T[1] |= SKEIN_T1_FLAG_FINAL; /* tag as the final block */
if (ctx->h.bCnt < SKEIN1024_BLOCK_BYTES) /* zero pad b[] if necessary */ if (ctx->h.bCnt < SKEIN1024_BLOCK_BYTES) /* zero pad b[] if necessary */
memset(&ctx->b[ctx->h.bCnt], 0, SKEIN1024_BLOCK_BYTES - ctx->h.bCnt); memset(&ctx->b[ctx->h.bCnt], 0, SKEIN1024_BLOCK_BYTES - ctx->h.bCnt);
Skein1024_Process_Block(ctx, ctx->b, 1, ctx->h.bCnt); /* process the final block */ Skein1024_Process_Block(ctx, ctx->b, 1, ctx->h.bCnt); /* process the final block */
/* now output the result */ /* now output the result */
byteCnt = (ctx->h.hashBitLen + 7) >> 3; /* total number of output bytes */ byteCnt = (ctx->h.hashBitLen + 7) >> 3; /* total number of output bytes */
/* run Threefish in "counter mode" to generate output */ /* run Threefish in "counter mode" to generate output */
memset(ctx->b, 0, sizeof(ctx->b)); /* zero out b[], so it can hold the counter */ memset(ctx->b, 0, sizeof(ctx->b)); /* zero out b[], so it can hold the counter */
memcpy(X, ctx->X, sizeof(X)); /* keep a local copy of counter mode "key" */ memcpy(X, ctx->X, sizeof(X)); /* keep a local copy of counter mode "key" */
for (i = 0; i*SKEIN1024_BLOCK_BYTES < byteCnt; i++) for (i = 0; i*SKEIN1024_BLOCK_BYTES < byteCnt; i++)
{ {
((u64 *)ctx->b)[0] = Skein_Swap64((u64) i); /* build the counter block */ ((u64 *)ctx->b)[0] = Skein_Swap64((u64) i); /* build the counter block */
Skein_Start_New_Type(ctx, OUT_FINAL); Skein_Start_New_Type(ctx, OUT_FINAL);
Skein1024_Process_Block(ctx, ctx->b, 1, sizeof(u64)); /* run "counter mode" */ Skein1024_Process_Block(ctx, ctx->b, 1, sizeof(u64)); /* run "counter mode" */
n = byteCnt - i*SKEIN1024_BLOCK_BYTES; /* number of output bytes left to go */ n = byteCnt - i*SKEIN1024_BLOCK_BYTES; /* number of output bytes left to go */
if (n >= SKEIN1024_BLOCK_BYTES) if (n >= SKEIN1024_BLOCK_BYTES)
n = SKEIN1024_BLOCK_BYTES; n = SKEIN1024_BLOCK_BYTES;
Skein_Put64_LSB_First(hashVal+i*SKEIN1024_BLOCK_BYTES, ctx->X, n); /* "output" the ctr mode bytes */ Skein_Put64_LSB_First(hashVal+i*SKEIN1024_BLOCK_BYTES, ctx->X, n); /* "output" the ctr mode bytes */
Skein_Show_Final(1024, &ctx->h, n, hashVal+i*SKEIN1024_BLOCK_BYTES); Skein_Show_Final(1024, &ctx->h, n, hashVal+i*SKEIN1024_BLOCK_BYTES);
memcpy(ctx->X, X, sizeof(X)); /* restore the counter mode key for next time */ memcpy(ctx->X, X, sizeof(X)); /* restore the counter mode key for next time */
} }
return SKEIN_SUCCESS; return SKEIN_SUCCESS;
} }
/**************** Functions to support MAC/tree hashing ***************/ /**************** Functions to support MAC/tree hashing ***************/
...@@ -587,48 +587,48 @@ int Skein1024_Final(struct skein1024_ctx *ctx, u8 *hashVal) ...@@ -587,48 +587,48 @@ int Skein1024_Final(struct skein1024_ctx *ctx, u8 *hashVal)
/* finalize the hash computation and output the block, no OUTPUT stage */ /* finalize the hash computation and output the block, no OUTPUT stage */
int Skein_256_Final_Pad(struct skein_256_ctx *ctx, u8 *hashVal) int Skein_256_Final_Pad(struct skein_256_ctx *ctx, u8 *hashVal)
{ {
Skein_Assert(ctx->h.bCnt <= SKEIN_256_BLOCK_BYTES, SKEIN_FAIL); /* catch uninitialized context */ Skein_Assert(ctx->h.bCnt <= SKEIN_256_BLOCK_BYTES, SKEIN_FAIL); /* catch uninitialized context */
ctx->h.T[1] |= SKEIN_T1_FLAG_FINAL; /* tag as the final block */ ctx->h.T[1] |= SKEIN_T1_FLAG_FINAL; /* tag as the final block */
if (ctx->h.bCnt < SKEIN_256_BLOCK_BYTES) /* zero pad b[] if necessary */ if (ctx->h.bCnt < SKEIN_256_BLOCK_BYTES) /* zero pad b[] if necessary */
memset(&ctx->b[ctx->h.bCnt], 0, SKEIN_256_BLOCK_BYTES - ctx->h.bCnt); memset(&ctx->b[ctx->h.bCnt], 0, SKEIN_256_BLOCK_BYTES - ctx->h.bCnt);
Skein_256_Process_Block(ctx, ctx->b, 1, ctx->h.bCnt); /* process the final block */ Skein_256_Process_Block(ctx, ctx->b, 1, ctx->h.bCnt); /* process the final block */
Skein_Put64_LSB_First(hashVal, ctx->X, SKEIN_256_BLOCK_BYTES); /* "output" the state bytes */ Skein_Put64_LSB_First(hashVal, ctx->X, SKEIN_256_BLOCK_BYTES); /* "output" the state bytes */
return SKEIN_SUCCESS; return SKEIN_SUCCESS;
} }
/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ /*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
/* finalize the hash computation and output the block, no OUTPUT stage */ /* finalize the hash computation and output the block, no OUTPUT stage */
int Skein_512_Final_Pad(struct skein_512_ctx *ctx, u8 *hashVal) int Skein_512_Final_Pad(struct skein_512_ctx *ctx, u8 *hashVal)
{ {
Skein_Assert(ctx->h.bCnt <= SKEIN_512_BLOCK_BYTES, SKEIN_FAIL); /* catch uninitialized context */ Skein_Assert(ctx->h.bCnt <= SKEIN_512_BLOCK_BYTES, SKEIN_FAIL); /* catch uninitialized context */
ctx->h.T[1] |= SKEIN_T1_FLAG_FINAL; /* tag as the final block */ ctx->h.T[1] |= SKEIN_T1_FLAG_FINAL; /* tag as the final block */
if (ctx->h.bCnt < SKEIN_512_BLOCK_BYTES) /* zero pad b[] if necessary */ if (ctx->h.bCnt < SKEIN_512_BLOCK_BYTES) /* zero pad b[] if necessary */
memset(&ctx->b[ctx->h.bCnt], 0, SKEIN_512_BLOCK_BYTES - ctx->h.bCnt); memset(&ctx->b[ctx->h.bCnt], 0, SKEIN_512_BLOCK_BYTES - ctx->h.bCnt);
Skein_512_Process_Block(ctx, ctx->b, 1, ctx->h.bCnt); /* process the final block */ Skein_512_Process_Block(ctx, ctx->b, 1, ctx->h.bCnt); /* process the final block */
Skein_Put64_LSB_First(hashVal, ctx->X, SKEIN_512_BLOCK_BYTES); /* "output" the state bytes */ Skein_Put64_LSB_First(hashVal, ctx->X, SKEIN_512_BLOCK_BYTES); /* "output" the state bytes */
return SKEIN_SUCCESS; return SKEIN_SUCCESS;
} }
/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ /*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
/* finalize the hash computation and output the block, no OUTPUT stage */ /* finalize the hash computation and output the block, no OUTPUT stage */
int Skein1024_Final_Pad(struct skein1024_ctx *ctx, u8 *hashVal) int Skein1024_Final_Pad(struct skein1024_ctx *ctx, u8 *hashVal)
{ {
Skein_Assert(ctx->h.bCnt <= SKEIN1024_BLOCK_BYTES, SKEIN_FAIL); /* catch uninitialized context */ Skein_Assert(ctx->h.bCnt <= SKEIN1024_BLOCK_BYTES, SKEIN_FAIL); /* catch uninitialized context */
ctx->h.T[1] |= SKEIN_T1_FLAG_FINAL; /* tag as the final block */ ctx->h.T[1] |= SKEIN_T1_FLAG_FINAL; /* tag as the final block */
if (ctx->h.bCnt < SKEIN1024_BLOCK_BYTES) /* zero pad b[] if necessary */ if (ctx->h.bCnt < SKEIN1024_BLOCK_BYTES) /* zero pad b[] if necessary */
memset(&ctx->b[ctx->h.bCnt], 0, SKEIN1024_BLOCK_BYTES - ctx->h.bCnt); memset(&ctx->b[ctx->h.bCnt], 0, SKEIN1024_BLOCK_BYTES - ctx->h.bCnt);
Skein1024_Process_Block(ctx, ctx->b, 1, ctx->h.bCnt); /* process the final block */ Skein1024_Process_Block(ctx, ctx->b, 1, ctx->h.bCnt); /* process the final block */
Skein_Put64_LSB_First(hashVal, ctx->X, SKEIN1024_BLOCK_BYTES); /* "output" the state bytes */ Skein_Put64_LSB_First(hashVal, ctx->X, SKEIN1024_BLOCK_BYTES); /* "output" the state bytes */
return SKEIN_SUCCESS; return SKEIN_SUCCESS;
} }
#if SKEIN_TREE_HASH #if SKEIN_TREE_HASH
...@@ -636,86 +636,86 @@ int Skein1024_Final_Pad(struct skein1024_ctx *ctx, u8 *hashVal) ...@@ -636,86 +636,86 @@ int Skein1024_Final_Pad(struct skein1024_ctx *ctx, u8 *hashVal)
/* just do the OUTPUT stage */ /* just do the OUTPUT stage */
int Skein_256_Output(struct skein_256_ctx *ctx, u8 *hashVal) int Skein_256_Output(struct skein_256_ctx *ctx, u8 *hashVal)
{ {
size_t i, n, byteCnt; size_t i, n, byteCnt;
u64 X[SKEIN_256_STATE_WORDS]; u64 X[SKEIN_256_STATE_WORDS];
Skein_Assert(ctx->h.bCnt <= SKEIN_256_BLOCK_BYTES, SKEIN_FAIL); /* catch uninitialized context */ Skein_Assert(ctx->h.bCnt <= SKEIN_256_BLOCK_BYTES, SKEIN_FAIL); /* catch uninitialized context */
/* now output the result */ /* now output the result */
byteCnt = (ctx->h.hashBitLen + 7) >> 3; /* total number of output bytes */ byteCnt = (ctx->h.hashBitLen + 7) >> 3; /* total number of output bytes */
/* run Threefish in "counter mode" to generate output */ /* run Threefish in "counter mode" to generate output */
memset(ctx->b, 0, sizeof(ctx->b)); /* zero out b[], so it can hold the counter */ memset(ctx->b, 0, sizeof(ctx->b)); /* zero out b[], so it can hold the counter */
memcpy(X, ctx->X, sizeof(X)); /* keep a local copy of counter mode "key" */ memcpy(X, ctx->X, sizeof(X)); /* keep a local copy of counter mode "key" */
for (i = 0; i*SKEIN_256_BLOCK_BYTES < byteCnt; i++) for (i = 0; i*SKEIN_256_BLOCK_BYTES < byteCnt; i++)
{ {
((u64 *)ctx->b)[0] = Skein_Swap64((u64) i); /* build the counter block */ ((u64 *)ctx->b)[0] = Skein_Swap64((u64) i); /* build the counter block */
Skein_Start_New_Type(ctx, OUT_FINAL); Skein_Start_New_Type(ctx, OUT_FINAL);
Skein_256_Process_Block(ctx, ctx->b, 1, sizeof(u64)); /* run "counter mode" */ Skein_256_Process_Block(ctx, ctx->b, 1, sizeof(u64)); /* run "counter mode" */
n = byteCnt - i*SKEIN_256_BLOCK_BYTES; /* number of output bytes left to go */ n = byteCnt - i*SKEIN_256_BLOCK_BYTES; /* number of output bytes left to go */
if (n >= SKEIN_256_BLOCK_BYTES) if (n >= SKEIN_256_BLOCK_BYTES)
n = SKEIN_256_BLOCK_BYTES; n = SKEIN_256_BLOCK_BYTES;
Skein_Put64_LSB_First(hashVal+i*SKEIN_256_BLOCK_BYTES, ctx->X, n); /* "output" the ctr mode bytes */ Skein_Put64_LSB_First(hashVal+i*SKEIN_256_BLOCK_BYTES, ctx->X, n); /* "output" the ctr mode bytes */
Skein_Show_Final(256, &ctx->h, n, hashVal+i*SKEIN_256_BLOCK_BYTES); Skein_Show_Final(256, &ctx->h, n, hashVal+i*SKEIN_256_BLOCK_BYTES);
memcpy(ctx->X, X, sizeof(X)); /* restore the counter mode key for next time */ memcpy(ctx->X, X, sizeof(X)); /* restore the counter mode key for next time */
} }
return SKEIN_SUCCESS; return SKEIN_SUCCESS;
} }
/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ /*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
/* just do the OUTPUT stage */ /* just do the OUTPUT stage */
int Skein_512_Output(struct skein_512_ctx *ctx, u8 *hashVal) int Skein_512_Output(struct skein_512_ctx *ctx, u8 *hashVal)
{ {
size_t i, n, byteCnt; size_t i, n, byteCnt;
u64 X[SKEIN_512_STATE_WORDS]; u64 X[SKEIN_512_STATE_WORDS];
Skein_Assert(ctx->h.bCnt <= SKEIN_512_BLOCK_BYTES, SKEIN_FAIL); /* catch uninitialized context */ Skein_Assert(ctx->h.bCnt <= SKEIN_512_BLOCK_BYTES, SKEIN_FAIL); /* catch uninitialized context */
/* now output the result */ /* now output the result */
byteCnt = (ctx->h.hashBitLen + 7) >> 3; /* total number of output bytes */ byteCnt = (ctx->h.hashBitLen + 7) >> 3; /* total number of output bytes */
/* run Threefish in "counter mode" to generate output */ /* run Threefish in "counter mode" to generate output */
memset(ctx->b, 0, sizeof(ctx->b)); /* zero out b[], so it can hold the counter */ memset(ctx->b, 0, sizeof(ctx->b)); /* zero out b[], so it can hold the counter */
memcpy(X, ctx->X, sizeof(X)); /* keep a local copy of counter mode "key" */ memcpy(X, ctx->X, sizeof(X)); /* keep a local copy of counter mode "key" */
for (i = 0; i*SKEIN_512_BLOCK_BYTES < byteCnt; i++) for (i = 0; i*SKEIN_512_BLOCK_BYTES < byteCnt; i++)
{ {
((u64 *)ctx->b)[0] = Skein_Swap64((u64) i); /* build the counter block */ ((u64 *)ctx->b)[0] = Skein_Swap64((u64) i); /* build the counter block */
Skein_Start_New_Type(ctx, OUT_FINAL); Skein_Start_New_Type(ctx, OUT_FINAL);
Skein_512_Process_Block(ctx, ctx->b, 1, sizeof(u64)); /* run "counter mode" */ Skein_512_Process_Block(ctx, ctx->b, 1, sizeof(u64)); /* run "counter mode" */
n = byteCnt - i*SKEIN_512_BLOCK_BYTES; /* number of output bytes left to go */ n = byteCnt - i*SKEIN_512_BLOCK_BYTES; /* number of output bytes left to go */
if (n >= SKEIN_512_BLOCK_BYTES) if (n >= SKEIN_512_BLOCK_BYTES)
n = SKEIN_512_BLOCK_BYTES; n = SKEIN_512_BLOCK_BYTES;
Skein_Put64_LSB_First(hashVal+i*SKEIN_512_BLOCK_BYTES, ctx->X, n); /* "output" the ctr mode bytes */ Skein_Put64_LSB_First(hashVal+i*SKEIN_512_BLOCK_BYTES, ctx->X, n); /* "output" the ctr mode bytes */
Skein_Show_Final(256, &ctx->h, n, hashVal+i*SKEIN_512_BLOCK_BYTES); Skein_Show_Final(256, &ctx->h, n, hashVal+i*SKEIN_512_BLOCK_BYTES);
memcpy(ctx->X, X, sizeof(X)); /* restore the counter mode key for next time */ memcpy(ctx->X, X, sizeof(X)); /* restore the counter mode key for next time */
} }
return SKEIN_SUCCESS; return SKEIN_SUCCESS;
} }
/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ /*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
/* just do the OUTPUT stage */ /* just do the OUTPUT stage */
int Skein1024_Output(struct skein1024_ctx *ctx, u8 *hashVal) int Skein1024_Output(struct skein1024_ctx *ctx, u8 *hashVal)
{ {
size_t i, n, byteCnt; size_t i, n, byteCnt;
u64 X[SKEIN1024_STATE_WORDS]; u64 X[SKEIN1024_STATE_WORDS];
Skein_Assert(ctx->h.bCnt <= SKEIN1024_BLOCK_BYTES, SKEIN_FAIL); /* catch uninitialized context */ Skein_Assert(ctx->h.bCnt <= SKEIN1024_BLOCK_BYTES, SKEIN_FAIL); /* catch uninitialized context */
/* now output the result */ /* now output the result */
byteCnt = (ctx->h.hashBitLen + 7) >> 3; /* total number of output bytes */ byteCnt = (ctx->h.hashBitLen + 7) >> 3; /* total number of output bytes */
/* run Threefish in "counter mode" to generate output */ /* run Threefish in "counter mode" to generate output */
memset(ctx->b, 0, sizeof(ctx->b)); /* zero out b[], so it can hold the counter */ memset(ctx->b, 0, sizeof(ctx->b)); /* zero out b[], so it can hold the counter */
memcpy(X, ctx->X, sizeof(X)); /* keep a local copy of counter mode "key" */ memcpy(X, ctx->X, sizeof(X)); /* keep a local copy of counter mode "key" */
for (i = 0; i*SKEIN1024_BLOCK_BYTES < byteCnt; i++) for (i = 0; i*SKEIN1024_BLOCK_BYTES < byteCnt; i++)
{ {
((u64 *)ctx->b)[0] = Skein_Swap64((u64) i); /* build the counter block */ ((u64 *)ctx->b)[0] = Skein_Swap64((u64) i); /* build the counter block */
Skein_Start_New_Type(ctx, OUT_FINAL); Skein_Start_New_Type(ctx, OUT_FINAL);
Skein1024_Process_Block(ctx, ctx->b, 1, sizeof(u64)); /* run "counter mode" */ Skein1024_Process_Block(ctx, ctx->b, 1, sizeof(u64)); /* run "counter mode" */
n = byteCnt - i*SKEIN1024_BLOCK_BYTES; /* number of output bytes left to go */ n = byteCnt - i*SKEIN1024_BLOCK_BYTES; /* number of output bytes left to go */
if (n >= SKEIN1024_BLOCK_BYTES) if (n >= SKEIN1024_BLOCK_BYTES)
n = SKEIN1024_BLOCK_BYTES; n = SKEIN1024_BLOCK_BYTES;
Skein_Put64_LSB_First(hashVal+i*SKEIN1024_BLOCK_BYTES, ctx->X, n); /* "output" the ctr mode bytes */ Skein_Put64_LSB_First(hashVal+i*SKEIN1024_BLOCK_BYTES, ctx->X, n); /* "output" the ctr mode bytes */
Skein_Show_Final(256, &ctx->h, n, hashVal+i*SKEIN1024_BLOCK_BYTES); Skein_Show_Final(256, &ctx->h, n, hashVal+i*SKEIN1024_BLOCK_BYTES);
memcpy(ctx->X, X, sizeof(X)); /* restore the counter mode key for next time */ memcpy(ctx->X, X, sizeof(X)); /* restore the counter mode key for next time */
} }
return SKEIN_SUCCESS; return SKEIN_SUCCESS;
} }
#endif #endif
drivers/staging/skein/skeinApi.c
View file @ 39bd42b0
...@@ -29,191 +29,191 @@ OTHER DEALINGS IN THE SOFTWARE. ...@@ -29,191 +29,191 @@ OTHER DEALINGS IN THE SOFTWARE.
int skeinCtxPrepare(struct skein_ctx *ctx, enum skein_size size) int skeinCtxPrepare(struct skein_ctx *ctx, enum skein_size size)
{ {
Skein_Assert(ctx && size, SKEIN_FAIL); Skein_Assert(ctx && size, SKEIN_FAIL);
memset(ctx , 0, sizeof(struct skein_ctx)); memset(ctx , 0, sizeof(struct skein_ctx));
ctx->skeinSize = size; ctx->skeinSize = size;
return SKEIN_SUCCESS; return SKEIN_SUCCESS;
} }
int skeinInit(struct skein_ctx *ctx, size_t hashBitLen) int skeinInit(struct skein_ctx *ctx, size_t hashBitLen)
{ {
int ret = SKEIN_FAIL; int ret = SKEIN_FAIL;
size_t Xlen = 0; size_t Xlen = 0;
u64 *X = NULL; u64 *X = NULL;
u64 treeInfo = SKEIN_CFG_TREE_INFO_SEQUENTIAL; u64 treeInfo = SKEIN_CFG_TREE_INFO_SEQUENTIAL;
Skein_Assert(ctx, SKEIN_FAIL); Skein_Assert(ctx, SKEIN_FAIL);
/* /*
* The following two lines rely of the fact that the real Skein contexts are * The following two lines rely of the fact that the real Skein contexts are
* a union in out context and thus have tha maximum memory available. * a union in out context and thus have tha maximum memory available.
* The beauty of C :-) . * The beauty of C :-) .
*/ */
X = ctx->m.s256.X; X = ctx->m.s256.X;
Xlen = ctx->skeinSize/8; Xlen = ctx->skeinSize/8;
/* /*
* If size is the same and hash bit length is zero then reuse * If size is the same and hash bit length is zero then reuse
* the save chaining variables. * the save chaining variables.
*/ */
switch (ctx->skeinSize) { switch (ctx->skeinSize) {
case Skein256: case Skein256:
ret = Skein_256_InitExt(&ctx->m.s256, hashBitLen, ret = Skein_256_InitExt(&ctx->m.s256, hashBitLen,
treeInfo, NULL, 0); treeInfo, NULL, 0);
break; break;
case Skein512: case Skein512:
ret = Skein_512_InitExt(&ctx->m.s512, hashBitLen, ret = Skein_512_InitExt(&ctx->m.s512, hashBitLen,
treeInfo, NULL, 0); treeInfo, NULL, 0);
break; break;
case Skein1024: case Skein1024:
ret = Skein1024_InitExt(&ctx->m.s1024, hashBitLen, ret = Skein1024_InitExt(&ctx->m.s1024, hashBitLen,
treeInfo, NULL, 0); treeInfo, NULL, 0);
break; break;
} }
if (ret == SKEIN_SUCCESS) { if (ret == SKEIN_SUCCESS) {
/* Save chaining variables for this combination of size and hashBitLen */ /* Save chaining variables for this combination of size and hashBitLen */
memcpy(ctx->XSave, X, Xlen); memcpy(ctx->XSave, X, Xlen);
} }
return ret; return ret;
} }
int skeinMacInit(struct skein_ctx *ctx, const u8 *key, size_t keyLen, int skeinMacInit(struct skein_ctx *ctx, const u8 *key, size_t keyLen,
size_t hashBitLen) size_t hashBitLen)
{ {
int ret = SKEIN_FAIL; int ret = SKEIN_FAIL;
u64 *X = NULL; u64 *X = NULL;
size_t Xlen = 0; size_t Xlen = 0;
u64 treeInfo = SKEIN_CFG_TREE_INFO_SEQUENTIAL; u64 treeInfo = SKEIN_CFG_TREE_INFO_SEQUENTIAL;
Skein_Assert(ctx, SKEIN_FAIL); Skein_Assert(ctx, SKEIN_FAIL);
X = ctx->m.s256.X; X = ctx->m.s256.X;
Xlen = ctx->skeinSize/8; Xlen = ctx->skeinSize/8;
Skein_Assert(hashBitLen, SKEIN_BAD_HASHLEN); Skein_Assert(hashBitLen, SKEIN_BAD_HASHLEN);
switch (ctx->skeinSize) { switch (ctx->skeinSize) {
case Skein256: case Skein256:
ret = Skein_256_InitExt(&ctx->m.s256, hashBitLen, ret = Skein_256_InitExt(&ctx->m.s256, hashBitLen,
treeInfo, treeInfo,
(const u8 *)key, keyLen); (const u8 *)key, keyLen);
break; break;
case Skein512: case Skein512:
ret = Skein_512_InitExt(&ctx->m.s512, hashBitLen, ret = Skein_512_InitExt(&ctx->m.s512, hashBitLen,
treeInfo, treeInfo,
(const u8 *)key, keyLen); (const u8 *)key, keyLen);
break; break;
case Skein1024: case Skein1024:
ret = Skein1024_InitExt(&ctx->m.s1024, hashBitLen, ret = Skein1024_InitExt(&ctx->m.s1024, hashBitLen,
treeInfo, treeInfo,
(const u8 *)key, keyLen); (const u8 *)key, keyLen);
break; break;
} }
if (ret == SKEIN_SUCCESS) { if (ret == SKEIN_SUCCESS) {
/* Save chaining variables for this combination of key, keyLen, hashBitLen */ /* Save chaining variables for this combination of key, keyLen, hashBitLen */
memcpy(ctx->XSave, X, Xlen); memcpy(ctx->XSave, X, Xlen);
} }
return ret; return ret;
} }
void skeinReset(struct skein_ctx *ctx) void skeinReset(struct skein_ctx *ctx)
{ {
size_t Xlen = 0; size_t Xlen = 0;
u64 *X = NULL; u64 *X = NULL;
/* /*
* The following two lines rely of the fact that the real Skein contexts are * The following two lines rely of the fact that the real Skein contexts are
* a union in out context and thus have tha maximum memory available. * a union in out context and thus have tha maximum memory available.
* The beautiy of C :-) . * The beautiy of C :-) .
*/ */
X = ctx->m.s256.X; X = ctx->m.s256.X;
Xlen = ctx->skeinSize/8; Xlen = ctx->skeinSize/8;
/* Restore the chaing variable, reset byte counter */ /* Restore the chaing variable, reset byte counter */
memcpy(X, ctx->XSave, Xlen); memcpy(X, ctx->XSave, Xlen);
/* Setup context to process the message */ /* Setup context to process the message */
Skein_Start_New_Type(&ctx->m, MSG); Skein_Start_New_Type(&ctx->m, MSG);
} }
int skeinUpdate(struct skein_ctx *ctx, const u8 *msg, int skeinUpdate(struct skein_ctx *ctx, const u8 *msg,
size_t msgByteCnt) size_t msgByteCnt)
{ {
int ret = SKEIN_FAIL; int ret = SKEIN_FAIL;
Skein_Assert(ctx, SKEIN_FAIL); Skein_Assert(ctx, SKEIN_FAIL);
switch (ctx->skeinSize) { switch (ctx->skeinSize) {
case Skein256: case Skein256:
ret = Skein_256_Update(&ctx->m.s256, (const u8 *)msg, msgByteCnt); ret = Skein_256_Update(&ctx->m.s256, (const u8 *)msg, msgByteCnt);
break; break;
case Skein512: case Skein512:
ret = Skein_512_Update(&ctx->m.s512, (const u8 *)msg, msgByteCnt); ret = Skein_512_Update(&ctx->m.s512, (const u8 *)msg, msgByteCnt);
break; break;
case Skein1024: case Skein1024:
ret = Skein1024_Update(&ctx->m.s1024, (const u8 *)msg, msgByteCnt); ret = Skein1024_Update(&ctx->m.s1024, (const u8 *)msg, msgByteCnt);
break; break;
} }
return ret; return ret;
} }
int skeinUpdateBits(struct skein_ctx *ctx, const u8 *msg, int skeinUpdateBits(struct skein_ctx *ctx, const u8 *msg,
size_t msgBitCnt) size_t msgBitCnt)
{ {
/* /*
* I've used the bit pad implementation from skein_test.c (see NIST CD) * I've used the bit pad implementation from skein_test.c (see NIST CD)
* and modified it to use the convenience functions and added some pointer * and modified it to use the convenience functions and added some pointer
* arithmetic. * arithmetic.
*/ */
size_t length; size_t length;
u8 mask; u8 mask;
u8 *up; u8 *up;
/* only the final Update() call is allowed do partial bytes, else assert an error */ /* only the final Update() call is allowed do partial bytes, else assert an error */
Skein_Assert((ctx->m.h.T[1] & SKEIN_T1_FLAG_BIT_PAD) == 0 || msgBitCnt == 0, SKEIN_FAIL); Skein_Assert((ctx->m.h.T[1] & SKEIN_T1_FLAG_BIT_PAD) == 0 || msgBitCnt == 0, SKEIN_FAIL);
/* if number of bits is a multiple of bytes - that's easy */ /* if number of bits is a multiple of bytes - that's easy */
if ((msgBitCnt & 0x7) == 0) { if ((msgBitCnt & 0x7) == 0) {
return skeinUpdate(ctx, msg, msgBitCnt >> 3); return skeinUpdate(ctx, msg, msgBitCnt >> 3);
} }
skeinUpdate(ctx, msg, (msgBitCnt >> 3) + 1); skeinUpdate(ctx, msg, (msgBitCnt >> 3) + 1);
/* /*
* The next line rely on the fact that the real Skein contexts * The next line rely on the fact that the real Skein contexts
* are a union in our context. After the addition the pointer points to * are a union in our context. After the addition the pointer points to
* Skein's real partial block buffer. * Skein's real partial block buffer.
* If this layout ever changes we have to adapt this as well. * If this layout ever changes we have to adapt this as well.
*/ */
up = (u8 *)ctx->m.s256.X + ctx->skeinSize / 8; up = (u8 *)ctx->m.s256.X + ctx->skeinSize / 8;
Skein_Set_Bit_Pad_Flag(ctx->m.h); /* set tweak flag for the skeinFinal call */ Skein_Set_Bit_Pad_Flag(ctx->m.h); /* set tweak flag for the skeinFinal call */
/* now "pad" the final partial byte the way NIST likes */ /* now "pad" the final partial byte the way NIST likes */
length = ctx->m.h.bCnt; /* get the bCnt value (same location for all block sizes) */ length = ctx->m.h.bCnt; /* get the bCnt value (same location for all block sizes) */
Skein_assert(length != 0); /* internal sanity check: there IS a partial byte in the buffer! */ Skein_assert(length != 0); /* internal sanity check: there IS a partial byte in the buffer! */
mask = (u8) (1u << (7 - (msgBitCnt & 7))); /* partial byte bit mask */ mask = (u8) (1u << (7 - (msgBitCnt & 7))); /* partial byte bit mask */
up[length-1] = (u8)((up[length-1] & (0-mask))|mask); /* apply bit padding on final byte (in the buffer) */ up[length-1] = (u8)((up[length-1] & (0-mask))|mask); /* apply bit padding on final byte (in the buffer) */
return SKEIN_SUCCESS; return SKEIN_SUCCESS;
} }
int skeinFinal(struct skein_ctx *ctx, u8 *hash) int skeinFinal(struct skein_ctx *ctx, u8 *hash)
{ {
int ret = SKEIN_FAIL; int ret = SKEIN_FAIL;
Skein_Assert(ctx, SKEIN_FAIL); Skein_Assert(ctx, SKEIN_FAIL);
switch (ctx->skeinSize) { switch (ctx->skeinSize) {
case Skein256: case Skein256:
ret = Skein_256_Final(&ctx->m.s256, (u8 *)hash); ret = Skein_256_Final(&ctx->m.s256, (u8 *)hash);
break; break;
case Skein512: case Skein512:
ret = Skein_512_Final(&ctx->m.s512, (u8 *)hash); ret = Skein_512_Final(&ctx->m.s512, (u8 *)hash);
break; break;
case Skein1024: case Skein1024:
ret = Skein1024_Final(&ctx->m.s1024, (u8 *)hash); ret = Skein1024_Final(&ctx->m.s1024, (u8 *)hash);
break; break;
} }
return ret; return ret;
} }
drivers/staging/skein/skeinBlockNo3F.c
View file @ 39bd42b0
...@@ -6,167 +6,167 @@ ...@@ -6,167 +6,167 @@
/***************************** Skein_256 ******************************/ /***************************** Skein_256 ******************************/
void Skein_256_Process_Block(struct skein_256_ctx *ctx, const u8 *blkPtr, void Skein_256_Process_Block(struct skein_256_ctx *ctx, const u8 *blkPtr,
size_t blkCnt, size_t byteCntAdd) size_t blkCnt, size_t byteCntAdd)
{ {
struct threefish_key key; struct threefish_key key;
u64 tweak[2]; u64 tweak[2];
int i; int i;
u64 w[SKEIN_256_STATE_WORDS]; /* local copy of input block */ u64 w[SKEIN_256_STATE_WORDS]; /* local copy of input block */
u64 words[3]; u64 words[3];
Skein_assert(blkCnt != 0); /* never call with blkCnt == 0! */ Skein_assert(blkCnt != 0); /* never call with blkCnt == 0! */
tweak[0] = ctx->h.T[0]; tweak[0] = ctx->h.T[0];
tweak[1] = ctx->h.T[1]; tweak[1] = ctx->h.T[1];
do { do {
u64 carry = byteCntAdd; u64 carry = byteCntAdd;
words[0] = tweak[0] & 0xffffffffL; words[0] = tweak[0] & 0xffffffffL;
words[1] = ((tweak[0] >> 32) & 0xffffffffL); words[1] = ((tweak[0] >> 32) & 0xffffffffL);
words[2] = (tweak[1] & 0xffffffffL); words[2] = (tweak[1] & 0xffffffffL);
for (i = 0; i < 3; i++) { for (i = 0; i < 3; i++) {
carry += words[i]; carry += words[i];
words[i] = carry; words[i] = carry;
carry >>= 32; carry >>= 32;
} }
tweak[0] = words[0] & 0xffffffffL; tweak[0] = words[0] & 0xffffffffL;
tweak[0] |= (words[1] & 0xffffffffL) << 32; tweak[0] |= (words[1] & 0xffffffffL) << 32;
tweak[1] |= words[2] & 0xffffffffL; tweak[1] |= words[2] & 0xffffffffL;
threefishSetKey(&key, Threefish256, ctx->X, tweak); threefishSetKey(&key, Threefish256, ctx->X, tweak);
Skein_Get64_LSB_First(w, blkPtr, SKEIN_256_STATE_WORDS); /* get input block in little-endian format */ Skein_Get64_LSB_First(w, blkPtr, SKEIN_256_STATE_WORDS); /* get input block in little-endian format */
threefishEncryptBlockWords(&key, w, ctx->X); threefishEncryptBlockWords(&key, w, ctx->X);
blkPtr += SKEIN_256_BLOCK_BYTES; blkPtr += SKEIN_256_BLOCK_BYTES;
/* do the final "feedforward" xor, update context chaining vars */ /* do the final "feedforward" xor, update context chaining vars */
ctx->X[0] = ctx->X[0] ^ w[0]; ctx->X[0] = ctx->X[0] ^ w[0];
ctx->X[1] = ctx->X[1] ^ w[1]; ctx->X[1] = ctx->X[1] ^ w[1];
ctx->X[2] = ctx->X[2] ^ w[2]; ctx->X[2] = ctx->X[2] ^ w[2];
ctx->X[3] = ctx->X[3] ^ w[3]; ctx->X[3] = ctx->X[3] ^ w[3];
tweak[1] &= ~SKEIN_T1_FLAG_FIRST; tweak[1] &= ~SKEIN_T1_FLAG_FIRST;
} while (--blkCnt); } while (--blkCnt);
ctx->h.T[0] = tweak[0]; ctx->h.T[0] = tweak[0];
ctx->h.T[1] = tweak[1]; ctx->h.T[1] = tweak[1];
} }
void Skein_512_Process_Block(struct skein_512_ctx *ctx, const u8 *blkPtr, void Skein_512_Process_Block(struct skein_512_ctx *ctx, const u8 *blkPtr,
size_t blkCnt, size_t byteCntAdd) size_t blkCnt, size_t byteCntAdd)
{ {
struct threefish_key key; struct threefish_key key;
u64 tweak[2]; u64 tweak[2];
int i; int i;
u64 words[3]; u64 words[3];
u64 w[SKEIN_512_STATE_WORDS]; /* local copy of input block */ u64 w[SKEIN_512_STATE_WORDS]; /* local copy of input block */
Skein_assert(blkCnt != 0); /* never call with blkCnt == 0! */ Skein_assert(blkCnt != 0); /* never call with blkCnt == 0! */
tweak[0] = ctx->h.T[0]; tweak[0] = ctx->h.T[0];
tweak[1] = ctx->h.T[1]; tweak[1] = ctx->h.T[1];
do { do {
u64 carry = byteCntAdd; u64 carry = byteCntAdd;
words[0] = tweak[0] & 0xffffffffL; words[0] = tweak[0] & 0xffffffffL;
words[1] = ((tweak[0] >> 32) & 0xffffffffL); words[1] = ((tweak[0] >> 32) & 0xffffffffL);
words[2] = (tweak[1] & 0xffffffffL); words[2] = (tweak[1] & 0xffffffffL);
for (i = 0; i < 3; i++) { for (i = 0; i < 3; i++) {
carry += words[i]; carry += words[i];
words[i] = carry; words[i] = carry;
carry >>= 32; carry >>= 32;
} }
tweak[0] = words[0] & 0xffffffffL; tweak[0] = words[0] & 0xffffffffL;
tweak[0] |= (words[1] & 0xffffffffL) << 32; tweak[0] |= (words[1] & 0xffffffffL) << 32;
tweak[1] |= words[2] & 0xffffffffL; tweak[1] |= words[2] & 0xffffffffL;
threefishSetKey(&key, Threefish512, ctx->X, tweak); threefishSetKey(&key, Threefish512, ctx->X, tweak);
Skein_Get64_LSB_First(w, blkPtr, SKEIN_512_STATE_WORDS); /* get input block in little-endian format */ Skein_Get64_LSB_First(w, blkPtr, SKEIN_512_STATE_WORDS); /* get input block in little-endian format */
threefishEncryptBlockWords(&key, w, ctx->X); threefishEncryptBlockWords(&key, w, ctx->X);
blkPtr += SKEIN_512_BLOCK_BYTES; blkPtr += SKEIN_512_BLOCK_BYTES;
/* do the final "feedforward" xor, update context chaining vars */ /* do the final "feedforward" xor, update context chaining vars */
ctx->X[0] = ctx->X[0] ^ w[0]; ctx->X[0] = ctx->X[0] ^ w[0];
ctx->X[1] = ctx->X[1] ^ w[1]; ctx->X[1] = ctx->X[1] ^ w[1];
ctx->X[2] = ctx->X[2] ^ w[2]; ctx->X[2] = ctx->X[2] ^ w[2];
ctx->X[3] = ctx->X[3] ^ w[3]; ctx->X[3] = ctx->X[3] ^ w[3];
ctx->X[4] = ctx->X[4] ^ w[4]; ctx->X[4] = ctx->X[4] ^ w[4];
ctx->X[5] = ctx->X[5] ^ w[5]; ctx->X[5] = ctx->X[5] ^ w[5];
ctx->X[6] = ctx->X[6] ^ w[6]; ctx->X[6] = ctx->X[6] ^ w[6];
ctx->X[7] = ctx->X[7] ^ w[7]; ctx->X[7] = ctx->X[7] ^ w[7];
tweak[1] &= ~SKEIN_T1_FLAG_FIRST; tweak[1] &= ~SKEIN_T1_FLAG_FIRST;
} while (--blkCnt); } while (--blkCnt);
ctx->h.T[0] = tweak[0]; ctx->h.T[0] = tweak[0];
ctx->h.T[1] = tweak[1]; ctx->h.T[1] = tweak[1];
} }
void Skein1024_Process_Block(struct skein1024_ctx *ctx, const u8 *blkPtr, void Skein1024_Process_Block(struct skein1024_ctx *ctx, const u8 *blkPtr,
size_t blkCnt, size_t byteCntAdd) size_t blkCnt, size_t byteCntAdd)
{ {
struct threefish_key key; struct threefish_key key;
u64 tweak[2]; u64 tweak[2];
int i; int i;
u64 words[3]; u64 words[3];
u64 w[SKEIN1024_STATE_WORDS]; /* local copy of input block */ u64 w[SKEIN1024_STATE_WORDS]; /* local copy of input block */
Skein_assert(blkCnt != 0); /* never call with blkCnt == 0! */ Skein_assert(blkCnt != 0); /* never call with blkCnt == 0! */
tweak[0] = ctx->h.T[0]; tweak[0] = ctx->h.T[0];
tweak[1] = ctx->h.T[1]; tweak[1] = ctx->h.T[1];
do { do {
u64 carry = byteCntAdd; u64 carry = byteCntAdd;
words[0] = tweak[0] & 0xffffffffL; words[0] = tweak[0] & 0xffffffffL;
words[1] = ((tweak[0] >> 32) & 0xffffffffL); words[1] = ((tweak[0] >> 32) & 0xffffffffL);
words[2] = (tweak[1] & 0xffffffffL); words[2] = (tweak[1] & 0xffffffffL);
for (i = 0; i < 3; i++) { for (i = 0; i < 3; i++) {
carry += words[i]; carry += words[i];
words[i] = carry; words[i] = carry;
carry >>= 32; carry >>= 32;
} }
tweak[0] = words[0] & 0xffffffffL; tweak[0] = words[0] & 0xffffffffL;
tweak[0] |= (words[1] & 0xffffffffL) << 32; tweak[0] |= (words[1] & 0xffffffffL) << 32;
tweak[1] |= words[2] & 0xffffffffL; tweak[1] |= words[2] & 0xffffffffL;
threefishSetKey(&key, Threefish1024, ctx->X, tweak); threefishSetKey(&key, Threefish1024, ctx->X, tweak);
Skein_Get64_LSB_First(w, blkPtr, SKEIN1024_STATE_WORDS); /* get input block in little-endian format */ Skein_Get64_LSB_First(w, blkPtr, SKEIN1024_STATE_WORDS); /* get input block in little-endian format */
threefishEncryptBlockWords(&key, w, ctx->X); threefishEncryptBlockWords(&key, w, ctx->X);
blkPtr += SKEIN1024_BLOCK_BYTES; blkPtr += SKEIN1024_BLOCK_BYTES;
/* do the final "feedforward" xor, update context chaining vars */ /* do the final "feedforward" xor, update context chaining vars */
ctx->X[0] = ctx->X[0] ^ w[0]; ctx->X[0] = ctx->X[0] ^ w[0];
ctx->X[1] = ctx->X[1] ^ w[1]; ctx->X[1] = ctx->X[1] ^ w[1];
ctx->X[2] = ctx->X[2] ^ w[2]; ctx->X[2] = ctx->X[2] ^ w[2];
ctx->X[3] = ctx->X[3] ^ w[3]; ctx->X[3] = ctx->X[3] ^ w[3];
ctx->X[4] = ctx->X[4] ^ w[4]; ctx->X[4] = ctx->X[4] ^ w[4];
ctx->X[5] = ctx->X[5] ^ w[5]; ctx->X[5] = ctx->X[5] ^ w[5];
ctx->X[6] = ctx->X[6] ^ w[6]; ctx->X[6] = ctx->X[6] ^ w[6];
ctx->X[7] = ctx->X[7] ^ w[7]; ctx->X[7] = ctx->X[7] ^ w[7];
ctx->X[8] = ctx->X[8] ^ w[8]; ctx->X[8] = ctx->X[8] ^ w[8];
ctx->X[9] = ctx->X[9] ^ w[9]; ctx->X[9] = ctx->X[9] ^ w[9];
ctx->X[10] = ctx->X[10] ^ w[10]; ctx->X[10] = ctx->X[10] ^ w[10];
ctx->X[11] = ctx->X[11] ^ w[11]; ctx->X[11] = ctx->X[11] ^ w[11];
ctx->X[12] = ctx->X[12] ^ w[12]; ctx->X[12] = ctx->X[12] ^ w[12];
ctx->X[13] = ctx->X[13] ^ w[13]; ctx->X[13] = ctx->X[13] ^ w[13];
ctx->X[14] = ctx->X[14] ^ w[14]; ctx->X[14] = ctx->X[14] ^ w[14];
ctx->X[15] = ctx->X[15] ^ w[15]; ctx->X[15] = ctx->X[15] ^ w[15];
tweak[1] &= ~SKEIN_T1_FLAG_FIRST; tweak[1] &= ~SKEIN_T1_FLAG_FIRST;
} while (--blkCnt); } while (--blkCnt);
ctx->h.T[0] = tweak[0]; ctx->h.T[0] = tweak[0];
ctx->h.T[1] = tweak[1]; ctx->h.T[1] = tweak[1];
} }
drivers/staging/skein/skein_block.c
View file @ 39bd42b0
...@@ -40,10 +40,10 @@ ...@@ -40,10 +40,10 @@
/***************************** Skein_256 ******************************/ /***************************** Skein_256 ******************************/
#if !(SKEIN_USE_ASM & 256) #if !(SKEIN_USE_ASM & 256)
void Skein_256_Process_Block(struct skein_256_ctx *ctx, const u8 *blkPtr, size_t blkCnt, size_t byteCntAdd) void Skein_256_Process_Block(struct skein_256_ctx *ctx, const u8 *blkPtr, size_t blkCnt, size_t byteCntAdd)
{ /* do it in C */ { /* do it in C */
enum { enum {
WCNT = SKEIN_256_STATE_WORDS WCNT = SKEIN_256_STATE_WORDS
}; };
#undef RCNT #undef RCNT
#define RCNT (SKEIN_256_ROUNDS_TOTAL/8) #define RCNT (SKEIN_256_ROUNDS_TOTAL/8)
...@@ -57,177 +57,177 @@ void Skein_256_Process_Block(struct skein_256_ctx *ctx, const u8 *blkPtr, size_t ...@@ -57,177 +57,177 @@ void Skein_256_Process_Block(struct skein_256_ctx *ctx, const u8 *blkPtr, size_t
#if (RCNT % SKEIN_UNROLL_256) #if (RCNT % SKEIN_UNROLL_256)
#error "Invalid SKEIN_UNROLL_256" /* sanity check on unroll count */ #error "Invalid SKEIN_UNROLL_256" /* sanity check on unroll count */
#endif #endif
size_t r; size_t r;
u64 kw[WCNT+4+RCNT*2]; /* key schedule words : chaining vars + tweak + "rotation"*/ u64 kw[WCNT+4+RCNT*2]; /* key schedule words : chaining vars + tweak + "rotation"*/
#else #else
u64 kw[WCNT+4]; /* key schedule words : chaining vars + tweak */ u64 kw[WCNT+4]; /* key schedule words : chaining vars + tweak */
#endif #endif
u64 X0, X1, X2, X3; /* local copy of context vars, for speed */ u64 X0, X1, X2, X3; /* local copy of context vars, for speed */
u64 w[WCNT]; /* local copy of input block */ u64 w[WCNT]; /* local copy of input block */
#ifdef SKEIN_DEBUG #ifdef SKEIN_DEBUG
const u64 *Xptr[4]; /* use for debugging (help compiler put Xn in registers) */ const u64 *Xptr[4]; /* use for debugging (help compiler put Xn in registers) */
Xptr[0] = &X0; Xptr[1] = &X1; Xptr[2] = &X2; Xptr[3] = &X3; Xptr[0] = &X0; Xptr[1] = &X1; Xptr[2] = &X2; Xptr[3] = &X3;
#endif #endif
Skein_assert(blkCnt != 0); /* never call with blkCnt == 0! */ Skein_assert(blkCnt != 0); /* never call with blkCnt == 0! */
ts[0] = ctx->h.T[0]; ts[0] = ctx->h.T[0];
ts[1] = ctx->h.T[1]; ts[1] = ctx->h.T[1];
do { do {
/* this implementation only supports 2**64 input bytes (no carry out here) */ /* this implementation only supports 2**64 input bytes (no carry out here) */
ts[0] += byteCntAdd; /* update processed length */ ts[0] += byteCntAdd; /* update processed length */
/* precompute the key schedule for this block */ /* precompute the key schedule for this block */
ks[0] = ctx->X[0]; ks[0] = ctx->X[0];
ks[1] = ctx->X[1]; ks[1] = ctx->X[1];
ks[2] = ctx->X[2]; ks[2] = ctx->X[2];
ks[3] = ctx->X[3]; ks[3] = ctx->X[3];
ks[4] = ks[0] ^ ks[1] ^ ks[2] ^ ks[3] ^ SKEIN_KS_PARITY; ks[4] = ks[0] ^ ks[1] ^ ks[2] ^ ks[3] ^ SKEIN_KS_PARITY;
ts[2] = ts[0] ^ ts[1]; ts[2] = ts[0] ^ ts[1];
Skein_Get64_LSB_First(w, blkPtr, WCNT); /* get input block in little-endian format */ Skein_Get64_LSB_First(w, blkPtr, WCNT); /* get input block in little-endian format */
DebugSaveTweak(ctx); DebugSaveTweak(ctx);
Skein_Show_Block(BLK_BITS, &ctx->h, ctx->X, blkPtr, w, ks, ts); Skein_Show_Block(BLK_BITS, &ctx->h, ctx->X, blkPtr, w, ks, ts);
X0 = w[0] + ks[0]; /* do the first full key injection */ X0 = w[0] + ks[0]; /* do the first full key injection */
X1 = w[1] + ks[1] + ts[0]; X1 = w[1] + ks[1] + ts[0];
X2 = w[2] + ks[2] + ts[1]; X2 = w[2] + ks[2] + ts[1];
X3 = w[3] + ks[3]; X3 = w[3] + ks[3];
Skein_Show_R_Ptr(BLK_BITS, &ctx->h, SKEIN_RND_KEY_INITIAL, Xptr); /* show starting state values */ Skein_Show_R_Ptr(BLK_BITS, &ctx->h, SKEIN_RND_KEY_INITIAL, Xptr); /* show starting state values */
blkPtr += SKEIN_256_BLOCK_BYTES; blkPtr += SKEIN_256_BLOCK_BYTES;
/* run the rounds */ /* run the rounds */
#define Round256(p0, p1, p2, p3, ROT, rNum) \ #define Round256(p0, p1, p2, p3, ROT, rNum) \
X##p0 += X##p1; X##p1 = RotL_64(X##p1, ROT##_0); X##p1 ^= X##p0; \ X##p0 += X##p1; X##p1 = RotL_64(X##p1, ROT##_0); X##p1 ^= X##p0; \
X##p2 += X##p3; X##p3 = RotL_64(X##p3, ROT##_1); X##p3 ^= X##p2; \ X##p2 += X##p3; X##p3 = RotL_64(X##p3, ROT##_1); X##p3 ^= X##p2; \
#if SKEIN_UNROLL_256 == 0 #if SKEIN_UNROLL_256 == 0
#define R256(p0, p1, p2, p3, ROT, rNum) /* fully unrolled */ \ #define R256(p0, p1, p2, p3, ROT, rNum) /* fully unrolled */ \
Round256(p0, p1, p2, p3, ROT, rNum) \ Round256(p0, p1, p2, p3, ROT, rNum) \
Skein_Show_R_Ptr(BLK_BITS, &ctx->h, rNum, Xptr); Skein_Show_R_Ptr(BLK_BITS, &ctx->h, rNum, Xptr);
#define I256(R) \ #define I256(R) \
X0 += ks[((R)+1) % 5]; /* inject the key schedule value */ \ X0 += ks[((R)+1) % 5]; /* inject the key schedule value */ \
X1 += ks[((R)+2) % 5] + ts[((R)+1) % 3]; \ X1 += ks[((R)+2) % 5] + ts[((R)+1) % 3]; \
X2 += ks[((R)+3) % 5] + ts[((R)+2) % 3]; \ X2 += ks[((R)+3) % 5] + ts[((R)+2) % 3]; \
X3 += ks[((R)+4) % 5] + (R)+1; \ X3 += ks[((R)+4) % 5] + (R)+1; \
Skein_Show_R_Ptr(BLK_BITS, &ctx->h, SKEIN_RND_KEY_INJECT, Xptr); Skein_Show_R_Ptr(BLK_BITS, &ctx->h, SKEIN_RND_KEY_INJECT, Xptr);
#else /* looping version */ #else /* looping version */
#define R256(p0, p1, p2, p3, ROT, rNum) \ #define R256(p0, p1, p2, p3, ROT, rNum) \
Round256(p0, p1, p2, p3, ROT, rNum) \ Round256(p0, p1, p2, p3, ROT, rNum) \
Skein_Show_R_Ptr(BLK_BITS, &ctx->h, 4 * (r - 1) + rNum, Xptr); Skein_Show_R_Ptr(BLK_BITS, &ctx->h, 4 * (r - 1) + rNum, Xptr);
#define I256(R) \ #define I256(R) \
X0 += ks[r+(R)+0]; /* inject the key schedule value */ \ X0 += ks[r+(R)+0]; /* inject the key schedule value */ \
X1 += ks[r+(R)+1] + ts[r+(R)+0]; \ X1 += ks[r+(R)+1] + ts[r+(R)+0]; \
X2 += ks[r+(R)+2] + ts[r+(R)+1]; \ X2 += ks[r+(R)+2] + ts[r+(R)+1]; \
X3 += ks[r+(R)+3] + r+(R); \ X3 += ks[r+(R)+3] + r+(R); \
ks[r + (R) + 4] = ks[r + (R) - 1]; /* rotate key schedule */\ ks[r + (R) + 4] = ks[r + (R) - 1]; /* rotate key schedule */\
ts[r + (R) + 2] = ts[r + (R) - 1]; \ ts[r + (R) + 2] = ts[r + (R) - 1]; \
Skein_Show_R_Ptr(BLK_BITS, &ctx->h, SKEIN_RND_KEY_INJECT, Xptr); Skein_Show_R_Ptr(BLK_BITS, &ctx->h, SKEIN_RND_KEY_INJECT, Xptr);
for (r = 1; r < 2 * RCNT; r += 2 * SKEIN_UNROLL_256) /* loop thru it */ for (r = 1; r < 2 * RCNT; r += 2 * SKEIN_UNROLL_256) /* loop thru it */
#endif #endif
{ {
#define R256_8_rounds(R) \ #define R256_8_rounds(R) \
R256(0, 1, 2, 3, R_256_0, 8 * (R) + 1); \ R256(0, 1, 2, 3, R_256_0, 8 * (R) + 1); \
R256(0, 3, 2, 1, R_256_1, 8 * (R) + 2); \ R256(0, 3, 2, 1, R_256_1, 8 * (R) + 2); \
R256(0, 1, 2, 3, R_256_2, 8 * (R) + 3); \ R256(0, 1, 2, 3, R_256_2, 8 * (R) + 3); \
R256(0, 3, 2, 1, R_256_3, 8 * (R) + 4); \ R256(0, 3, 2, 1, R_256_3, 8 * (R) + 4); \
I256(2 * (R)); \ I256(2 * (R)); \
R256(0, 1, 2, 3, R_256_4, 8 * (R) + 5); \ R256(0, 1, 2, 3, R_256_4, 8 * (R) + 5); \
R256(0, 3, 2, 1, R_256_5, 8 * (R) + 6); \ R256(0, 3, 2, 1, R_256_5, 8 * (R) + 6); \
R256(0, 1, 2, 3, R_256_6, 8 * (R) + 7); \ R256(0, 1, 2, 3, R_256_6, 8 * (R) + 7); \
R256(0, 3, 2, 1, R_256_7, 8 * (R) + 8); \ R256(0, 3, 2, 1, R_256_7, 8 * (R) + 8); \
I256(2 * (R) + 1); I256(2 * (R) + 1);
R256_8_rounds(0); R256_8_rounds(0);
#define R256_Unroll_R(NN) ((SKEIN_UNROLL_256 == 0 && SKEIN_256_ROUNDS_TOTAL/8 > (NN)) || (SKEIN_UNROLL_256 > (NN))) #define R256_Unroll_R(NN) ((SKEIN_UNROLL_256 == 0 && SKEIN_256_ROUNDS_TOTAL/8 > (NN)) || (SKEIN_UNROLL_256 > (NN)))
#if R256_Unroll_R(1) #if R256_Unroll_R(1)
R256_8_rounds(1); R256_8_rounds(1);
#endif #endif
#if R256_Unroll_R(2) #if R256_Unroll_R(2)
R256_8_rounds(2); R256_8_rounds(2);
#endif #endif
#if R256_Unroll_R(3) #if R256_Unroll_R(3)
R256_8_rounds(3); R256_8_rounds(3);
#endif #endif
#if R256_Unroll_R(4) #if R256_Unroll_R(4)
R256_8_rounds(4); R256_8_rounds(4);
#endif #endif
#if R256_Unroll_R(5) #if R256_Unroll_R(5)
R256_8_rounds(5); R256_8_rounds(5);
#endif #endif
#if R256_Unroll_R(6) #if R256_Unroll_R(6)
R256_8_rounds(6); R256_8_rounds(6);
#endif #endif
#if R256_Unroll_R(7) #if R256_Unroll_R(7)
R256_8_rounds(7); R256_8_rounds(7);
#endif #endif
#if R256_Unroll_R(8) #if R256_Unroll_R(8)
R256_8_rounds(8); R256_8_rounds(8);
#endif #endif
#if R256_Unroll_R(9) #if R256_Unroll_R(9)
R256_8_rounds(9); R256_8_rounds(9);
#endif #endif
#if R256_Unroll_R(10) #if R256_Unroll_R(10)
R256_8_rounds(10); R256_8_rounds(10);
#endif #endif
#if R256_Unroll_R(11) #if R256_Unroll_R(11)
R256_8_rounds(11); R256_8_rounds(11);
#endif #endif
#if R256_Unroll_R(12) #if R256_Unroll_R(12)
R256_8_rounds(12); R256_8_rounds(12);
#endif #endif
#if R256_Unroll_R(13) #if R256_Unroll_R(13)
R256_8_rounds(13); R256_8_rounds(13);
#endif #endif
#if R256_Unroll_R(14) #if R256_Unroll_R(14)
R256_8_rounds(14); R256_8_rounds(14);
#endif #endif
#if (SKEIN_UNROLL_256 > 14) #if (SKEIN_UNROLL_256 > 14)
#error "need more unrolling in Skein_256_Process_Block" #error "need more unrolling in Skein_256_Process_Block"
#endif #endif
} }
/* do the final "feedforward" xor, update context chaining vars */ /* do the final "feedforward" xor, update context chaining vars */
ctx->X[0] = X0 ^ w[0]; ctx->X[0] = X0 ^ w[0];
ctx->X[1] = X1 ^ w[1]; ctx->X[1] = X1 ^ w[1];
ctx->X[2] = X2 ^ w[2]; ctx->X[2] = X2 ^ w[2];
ctx->X[3] = X3 ^ w[3]; ctx->X[3] = X3 ^ w[3];
Skein_Show_Round(BLK_BITS, &ctx->h, SKEIN_RND_FEED_FWD, ctx->X); Skein_Show_Round(BLK_BITS, &ctx->h, SKEIN_RND_FEED_FWD, ctx->X);
ts[1] &= ~SKEIN_T1_FLAG_FIRST; ts[1] &= ~SKEIN_T1_FLAG_FIRST;
} }
while (--blkCnt); while (--blkCnt);
ctx->h.T[0] = ts[0]; ctx->h.T[0] = ts[0];
ctx->h.T[1] = ts[1]; ctx->h.T[1] = ts[1];
} }
#if defined(SKEIN_CODE_SIZE) || defined(SKEIN_PERF) #if defined(SKEIN_CODE_SIZE) || defined(SKEIN_PERF)
size_t Skein_256_Process_Block_CodeSize(void) size_t Skein_256_Process_Block_CodeSize(void)
{ {
return ((u8 *) Skein_256_Process_Block_CodeSize) - return ((u8 *) Skein_256_Process_Block_CodeSize) -
((u8 *) Skein_256_Process_Block); ((u8 *) Skein_256_Process_Block);
} }
unsigned int Skein_256_Unroll_Cnt(void) unsigned int Skein_256_Unroll_Cnt(void)
{ {
return SKEIN_UNROLL_256; return SKEIN_UNROLL_256;
} }
#endif #endif
#endif #endif
/***************************** Skein_512 ******************************/ /***************************** Skein_512 ******************************/
#if !(SKEIN_USE_ASM & 512) #if !(SKEIN_USE_ASM & 512)
void Skein_512_Process_Block(struct skein_512_ctx *ctx, const u8 *blkPtr, size_t blkCnt, size_t byteCntAdd) void Skein_512_Process_Block(struct skein_512_ctx *ctx, const u8 *blkPtr, size_t blkCnt, size_t byteCntAdd)
{ /* do it in C */ { /* do it in C */
enum { enum {
WCNT = SKEIN_512_STATE_WORDS WCNT = SKEIN_512_STATE_WORDS
}; };
#undef RCNT #undef RCNT
#define RCNT (SKEIN_512_ROUNDS_TOTAL/8) #define RCNT (SKEIN_512_ROUNDS_TOTAL/8)
...@@ -241,200 +241,200 @@ void Skein_512_Process_Block(struct skein_512_ctx *ctx, const u8 *blkPtr, size_t ...@@ -241,200 +241,200 @@ void Skein_512_Process_Block(struct skein_512_ctx *ctx, const u8 *blkPtr, size_t
#if (RCNT % SKEIN_UNROLL_512) #if (RCNT % SKEIN_UNROLL_512)
#error "Invalid SKEIN_UNROLL_512" /* sanity check on unroll count */ #error "Invalid SKEIN_UNROLL_512" /* sanity check on unroll count */
#endif #endif
size_t r; size_t r;
u64 kw[WCNT+4+RCNT*2]; /* key schedule words : chaining vars + tweak + "rotation"*/ u64 kw[WCNT+4+RCNT*2]; /* key schedule words : chaining vars + tweak + "rotation"*/
#else #else
u64 kw[WCNT+4]; /* key schedule words : chaining vars + tweak */ u64 kw[WCNT+4]; /* key schedule words : chaining vars + tweak */
#endif #endif
u64 X0, X1, X2, X3, X4, X5, X6, X7; /* local copy of vars, for speed */ u64 X0, X1, X2, X3, X4, X5, X6, X7; /* local copy of vars, for speed */
u64 w[WCNT]; /* local copy of input block */ u64 w[WCNT]; /* local copy of input block */
#ifdef SKEIN_DEBUG #ifdef SKEIN_DEBUG
const u64 *Xptr[8]; /* use for debugging (help compiler put Xn in registers) */ const u64 *Xptr[8]; /* use for debugging (help compiler put Xn in registers) */
Xptr[0] = &X0; Xptr[1] = &X1; Xptr[2] = &X2; Xptr[3] = &X3; Xptr[0] = &X0; Xptr[1] = &X1; Xptr[2] = &X2; Xptr[3] = &X3;
Xptr[4] = &X4; Xptr[5] = &X5; Xptr[6] = &X6; Xptr[7] = &X7; Xptr[4] = &X4; Xptr[5] = &X5; Xptr[6] = &X6; Xptr[7] = &X7;
#endif #endif
Skein_assert(blkCnt != 0); /* never call with blkCnt == 0! */ Skein_assert(blkCnt != 0); /* never call with blkCnt == 0! */
ts[0] = ctx->h.T[0]; ts[0] = ctx->h.T[0];
ts[1] = ctx->h.T[1]; ts[1] = ctx->h.T[1];
do { do {
/* this implementation only supports 2**64 input bytes (no carry out here) */ /* this implementation only supports 2**64 input bytes (no carry out here) */
ts[0] += byteCntAdd; /* update processed length */ ts[0] += byteCntAdd; /* update processed length */
/* precompute the key schedule for this block */ /* precompute the key schedule for this block */
ks[0] = ctx->X[0]; ks[0] = ctx->X[0];
ks[1] = ctx->X[1]; ks[1] = ctx->X[1];
ks[2] = ctx->X[2]; ks[2] = ctx->X[2];
ks[3] = ctx->X[3]; ks[3] = ctx->X[3];
ks[4] = ctx->X[4]; ks[4] = ctx->X[4];
ks[5] = ctx->X[5]; ks[5] = ctx->X[5];
ks[6] = ctx->X[6]; ks[6] = ctx->X[6];
ks[7] = ctx->X[7]; ks[7] = ctx->X[7];
ks[8] = ks[0] ^ ks[1] ^ ks[2] ^ ks[3] ^ ks[8] = ks[0] ^ ks[1] ^ ks[2] ^ ks[3] ^
ks[4] ^ ks[5] ^ ks[6] ^ ks[7] ^ SKEIN_KS_PARITY; ks[4] ^ ks[5] ^ ks[6] ^ ks[7] ^ SKEIN_KS_PARITY;
ts[2] = ts[0] ^ ts[1]; ts[2] = ts[0] ^ ts[1];
Skein_Get64_LSB_First(w, blkPtr, WCNT); /* get input block in little-endian format */ Skein_Get64_LSB_First(w, blkPtr, WCNT); /* get input block in little-endian format */
DebugSaveTweak(ctx); DebugSaveTweak(ctx);
Skein_Show_Block(BLK_BITS, &ctx->h, ctx->X, blkPtr, w, ks, ts); Skein_Show_Block(BLK_BITS, &ctx->h, ctx->X, blkPtr, w, ks, ts);
X0 = w[0] + ks[0]; /* do the first full key injection */ X0 = w[0] + ks[0]; /* do the first full key injection */
X1 = w[1] + ks[1]; X1 = w[1] + ks[1];
X2 = w[2] + ks[2]; X2 = w[2] + ks[2];
X3 = w[3] + ks[3]; X3 = w[3] + ks[3];
X4 = w[4] + ks[4]; X4 = w[4] + ks[4];
X5 = w[5] + ks[5] + ts[0]; X5 = w[5] + ks[5] + ts[0];
X6 = w[6] + ks[6] + ts[1]; X6 = w[6] + ks[6] + ts[1];
X7 = w[7] + ks[7]; X7 = w[7] + ks[7];
blkPtr += SKEIN_512_BLOCK_BYTES; blkPtr += SKEIN_512_BLOCK_BYTES;
Skein_Show_R_Ptr(BLK_BITS, &ctx->h, SKEIN_RND_KEY_INITIAL, Xptr); Skein_Show_R_Ptr(BLK_BITS, &ctx->h, SKEIN_RND_KEY_INITIAL, Xptr);
/* run the rounds */ /* run the rounds */
#define Round512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, rNum) \ #define Round512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, rNum) \
X##p0 += X##p1; X##p1 = RotL_64(X##p1, ROT##_0); X##p1 ^= X##p0; \ X##p0 += X##p1; X##p1 = RotL_64(X##p1, ROT##_0); X##p1 ^= X##p0; \
X##p2 += X##p3; X##p3 = RotL_64(X##p3, ROT##_1); X##p3 ^= X##p2; \ X##p2 += X##p3; X##p3 = RotL_64(X##p3, ROT##_1); X##p3 ^= X##p2; \
X##p4 += X##p5; X##p5 = RotL_64(X##p5, ROT##_2); X##p5 ^= X##p4; \ X##p4 += X##p5; X##p5 = RotL_64(X##p5, ROT##_2); X##p5 ^= X##p4; \
X##p6 += X##p7; X##p7 = RotL_64(X##p7, ROT##_3); X##p7 ^= X##p6; \ X##p6 += X##p7; X##p7 = RotL_64(X##p7, ROT##_3); X##p7 ^= X##p6; \
#if SKEIN_UNROLL_512 == 0 #if SKEIN_UNROLL_512 == 0
#define R512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, rNum) /* unrolled */ \ #define R512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, rNum) /* unrolled */ \
Round512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, rNum) \ Round512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, rNum) \
Skein_Show_R_Ptr(BLK_BITS, &ctx->h, rNum, Xptr); Skein_Show_R_Ptr(BLK_BITS, &ctx->h, rNum, Xptr);
#define I512(R) \ #define I512(R) \
X0 += ks[((R) + 1) % 9]; /* inject the key schedule value */ \ X0 += ks[((R) + 1) % 9]; /* inject the key schedule value */ \
X1 += ks[((R) + 2) % 9]; \ X1 += ks[((R) + 2) % 9]; \
X2 += ks[((R) + 3) % 9]; \ X2 += ks[((R) + 3) % 9]; \
X3 += ks[((R) + 4) % 9]; \ X3 += ks[((R) + 4) % 9]; \
X4 += ks[((R) + 5) % 9]; \ X4 += ks[((R) + 5) % 9]; \
X5 += ks[((R) + 6) % 9] + ts[((R) + 1) % 3]; \ X5 += ks[((R) + 6) % 9] + ts[((R) + 1) % 3]; \
X6 += ks[((R) + 7) % 9] + ts[((R) + 2) % 3]; \ X6 += ks[((R) + 7) % 9] + ts[((R) + 2) % 3]; \
X7 += ks[((R) + 8) % 9] + (R) + 1; \ X7 += ks[((R) + 8) % 9] + (R) + 1; \
Skein_Show_R_Ptr(BLK_BITS, &ctx->h, SKEIN_RND_KEY_INJECT, Xptr); Skein_Show_R_Ptr(BLK_BITS, &ctx->h, SKEIN_RND_KEY_INJECT, Xptr);
#else /* looping version */ #else /* looping version */
#define R512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, rNum) \ #define R512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, rNum) \
Round512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, rNum) \ Round512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, rNum) \
Skein_Show_R_Ptr(BLK_BITS, &ctx->h, 4 * (r - 1) + rNum, Xptr); Skein_Show_R_Ptr(BLK_BITS, &ctx->h, 4 * (r - 1) + rNum, Xptr);
#define I512(R) \ #define I512(R) \
X0 += ks[r + (R) + 0]; /* inject the key schedule value */ \ X0 += ks[r + (R) + 0]; /* inject the key schedule value */ \
X1 += ks[r + (R) + 1]; \ X1 += ks[r + (R) + 1]; \
X2 += ks[r + (R) + 2]; \ X2 += ks[r + (R) + 2]; \
X3 += ks[r + (R) + 3]; \ X3 += ks[r + (R) + 3]; \
X4 += ks[r + (R) + 4]; \ X4 += ks[r + (R) + 4]; \
X5 += ks[r + (R) + 5] + ts[r + (R) + 0]; \ X5 += ks[r + (R) + 5] + ts[r + (R) + 0]; \
X6 += ks[r + (R) + 6] + ts[r + (R) + 1]; \ X6 += ks[r + (R) + 6] + ts[r + (R) + 1]; \
X7 += ks[r + (R) + 7] + r + (R); \ X7 += ks[r + (R) + 7] + r + (R); \
ks[r + (R) + 8] = ks[r + (R) - 1]; /* rotate key schedule */ \ ks[r + (R) + 8] = ks[r + (R) - 1]; /* rotate key schedule */ \
ts[r + (R) + 2] = ts[r + (R) - 1]; \ ts[r + (R) + 2] = ts[r + (R) - 1]; \
Skein_Show_R_Ptr(BLK_BITS, &ctx->h, SKEIN_RND_KEY_INJECT, Xptr); Skein_Show_R_Ptr(BLK_BITS, &ctx->h, SKEIN_RND_KEY_INJECT, Xptr);
for (r = 1; r < 2 * RCNT; r += 2 * SKEIN_UNROLL_512) /* loop thru it */ for (r = 1; r < 2 * RCNT; r += 2 * SKEIN_UNROLL_512) /* loop thru it */
#endif /* end of looped code definitions */ #endif /* end of looped code definitions */
{ {
#define R512_8_rounds(R) /* do 8 full rounds */ \ #define R512_8_rounds(R) /* do 8 full rounds */ \
R512(0, 1, 2, 3, 4, 5, 6, 7, R_512_0, 8 * (R) + 1); \ R512(0, 1, 2, 3, 4, 5, 6, 7, R_512_0, 8 * (R) + 1); \
R512(2, 1, 4, 7, 6, 5, 0, 3, R_512_1, 8 * (R) + 2); \ R512(2, 1, 4, 7, 6, 5, 0, 3, R_512_1, 8 * (R) + 2); \
R512(4, 1, 6, 3, 0, 5, 2, 7, R_512_2, 8 * (R) + 3); \ R512(4, 1, 6, 3, 0, 5, 2, 7, R_512_2, 8 * (R) + 3); \
R512(6, 1, 0, 7, 2, 5, 4, 3, R_512_3, 8 * (R) + 4); \ R512(6, 1, 0, 7, 2, 5, 4, 3, R_512_3, 8 * (R) + 4); \
I512(2 * (R)); \ I512(2 * (R)); \
R512(0, 1, 2, 3, 4, 5, 6, 7, R_512_4, 8 * (R) + 5); \ R512(0, 1, 2, 3, 4, 5, 6, 7, R_512_4, 8 * (R) + 5); \
R512(2, 1, 4, 7, 6, 5, 0, 3, R_512_5, 8 * (R) + 6); \ R512(2, 1, 4, 7, 6, 5, 0, 3, R_512_5, 8 * (R) + 6); \
R512(4, 1, 6, 3, 0, 5, 2, 7, R_512_6, 8 * (R) + 7); \ R512(4, 1, 6, 3, 0, 5, 2, 7, R_512_6, 8 * (R) + 7); \
R512(6, 1, 0, 7, 2, 5, 4, 3, R_512_7, 8 * (R) + 8); \ R512(6, 1, 0, 7, 2, 5, 4, 3, R_512_7, 8 * (R) + 8); \
I512(2 * (R) + 1); /* and key injection */ I512(2 * (R) + 1); /* and key injection */
R512_8_rounds(0); R512_8_rounds(0);
#define R512_Unroll_R(NN) ((SKEIN_UNROLL_512 == 0 && SKEIN_512_ROUNDS_TOTAL/8 > (NN)) || (SKEIN_UNROLL_512 > (NN))) #define R512_Unroll_R(NN) ((SKEIN_UNROLL_512 == 0 && SKEIN_512_ROUNDS_TOTAL/8 > (NN)) || (SKEIN_UNROLL_512 > (NN)))
#if R512_Unroll_R(1) #if R512_Unroll_R(1)
R512_8_rounds(1); R512_8_rounds(1);
#endif #endif
#if R512_Unroll_R(2) #if R512_Unroll_R(2)
R512_8_rounds(2); R512_8_rounds(2);
#endif #endif
#if R512_Unroll_R(3) #if R512_Unroll_R(3)
R512_8_rounds(3); R512_8_rounds(3);
#endif #endif
#if R512_Unroll_R(4) #if R512_Unroll_R(4)
R512_8_rounds(4); R512_8_rounds(4);
#endif #endif
#if R512_Unroll_R(5) #if R512_Unroll_R(5)
R512_8_rounds(5); R512_8_rounds(5);
#endif #endif
#if R512_Unroll_R(6) #if R512_Unroll_R(6)
R512_8_rounds(6); R512_8_rounds(6);
#endif #endif
#if R512_Unroll_R(7) #if R512_Unroll_R(7)
R512_8_rounds(7); R512_8_rounds(7);
#endif #endif
#if R512_Unroll_R(8) #if R512_Unroll_R(8)
R512_8_rounds(8); R512_8_rounds(8);
#endif #endif
#if R512_Unroll_R(9) #if R512_Unroll_R(9)
R512_8_rounds(9); R512_8_rounds(9);
#endif #endif
#if R512_Unroll_R(10) #if R512_Unroll_R(10)
R512_8_rounds(10); R512_8_rounds(10);
#endif #endif
#if R512_Unroll_R(11) #if R512_Unroll_R(11)
R512_8_rounds(11); R512_8_rounds(11);
#endif #endif
#if R512_Unroll_R(12) #if R512_Unroll_R(12)
R512_8_rounds(12); R512_8_rounds(12);
#endif #endif
#if R512_Unroll_R(13) #if R512_Unroll_R(13)
R512_8_rounds(13); R512_8_rounds(13);
#endif #endif
#if R512_Unroll_R(14) #if R512_Unroll_R(14)
R512_8_rounds(14); R512_8_rounds(14);
#endif #endif
#if (SKEIN_UNROLL_512 > 14) #if (SKEIN_UNROLL_512 > 14)
#error "need more unrolling in Skein_512_Process_Block" #error "need more unrolling in Skein_512_Process_Block"
#endif #endif
} }
/* do the final "feedforward" xor, update context chaining vars */ /* do the final "feedforward" xor, update context chaining vars */
ctx->X[0] = X0 ^ w[0]; ctx->X[0] = X0 ^ w[0];
ctx->X[1] = X1 ^ w[1]; ctx->X[1] = X1 ^ w[1];
ctx->X[2] = X2 ^ w[2]; ctx->X[2] = X2 ^ w[2];
ctx->X[3] = X3 ^ w[3]; ctx->X[3] = X3 ^ w[3];
ctx->X[4] = X4 ^ w[4]; ctx->X[4] = X4 ^ w[4];
ctx->X[5] = X5 ^ w[5]; ctx->X[5] = X5 ^ w[5];
ctx->X[6] = X6 ^ w[6]; ctx->X[6] = X6 ^ w[6];
ctx->X[7] = X7 ^ w[7]; ctx->X[7] = X7 ^ w[7];
Skein_Show_Round(BLK_BITS, &ctx->h, SKEIN_RND_FEED_FWD, ctx->X); Skein_Show_Round(BLK_BITS, &ctx->h, SKEIN_RND_FEED_FWD, ctx->X);
ts[1] &= ~SKEIN_T1_FLAG_FIRST; ts[1] &= ~SKEIN_T1_FLAG_FIRST;
} }
while (--blkCnt); while (--blkCnt);
ctx->h.T[0] = ts[0]; ctx->h.T[0] = ts[0];
ctx->h.T[1] = ts[1]; ctx->h.T[1] = ts[1];
} }
#if defined(SKEIN_CODE_SIZE) || defined(SKEIN_PERF) #if defined(SKEIN_CODE_SIZE) || defined(SKEIN_PERF)
size_t Skein_512_Process_Block_CodeSize(void) size_t Skein_512_Process_Block_CodeSize(void)
{ {
return ((u8 *) Skein_512_Process_Block_CodeSize) - return ((u8 *) Skein_512_Process_Block_CodeSize) -
((u8 *) Skein_512_Process_Block); ((u8 *) Skein_512_Process_Block);
} }
unsigned int Skein_512_Unroll_Cnt(void) unsigned int Skein_512_Unroll_Cnt(void)
{ {
return SKEIN_UNROLL_512; return SKEIN_UNROLL_512;
} }
#endif #endif
#endif #endif
/***************************** Skein1024 ******************************/ /***************************** Skein1024 ******************************/
#if !(SKEIN_USE_ASM & 1024) #if !(SKEIN_USE_ASM & 1024)
void Skein1024_Process_Block(struct skein1024_ctx *ctx, const u8 *blkPtr, size_t blkCnt, size_t byteCntAdd) void Skein1024_Process_Block(struct skein1024_ctx *ctx, const u8 *blkPtr, size_t blkCnt, size_t byteCntAdd)
{ /* do it in C, always looping (unrolled is bigger AND slower!) */ { /* do it in C, always looping (unrolled is bigger AND slower!) */
enum { enum {
WCNT = SKEIN1024_STATE_WORDS WCNT = SKEIN1024_STATE_WORDS
}; };
#undef RCNT #undef RCNT
#define RCNT (SKEIN1024_ROUNDS_TOTAL/8) #define RCNT (SKEIN1024_ROUNDS_TOTAL/8)
...@@ -448,239 +448,239 @@ void Skein1024_Process_Block(struct skein1024_ctx *ctx, const u8 *blkPtr, size_t ...@@ -448,239 +448,239 @@ void Skein1024_Process_Block(struct skein1024_ctx *ctx, const u8 *blkPtr, size_t
#if (RCNT % SKEIN_UNROLL_1024) #if (RCNT % SKEIN_UNROLL_1024)
#error "Invalid SKEIN_UNROLL_1024" /* sanity check on unroll count */ #error "Invalid SKEIN_UNROLL_1024" /* sanity check on unroll count */
#endif #endif
size_t r; size_t r;
u64 kw[WCNT+4+RCNT*2]; /* key schedule words : chaining vars + tweak + "rotation"*/ u64 kw[WCNT+4+RCNT*2]; /* key schedule words : chaining vars + tweak + "rotation"*/
#else #else
u64 kw[WCNT+4]; /* key schedule words : chaining vars + tweak */ u64 kw[WCNT+4]; /* key schedule words : chaining vars + tweak */
#endif #endif
u64 X00, X01, X02, X03, X04, X05, X06, X07, /* local copy of vars, for speed */ u64 X00, X01, X02, X03, X04, X05, X06, X07, /* local copy of vars, for speed */
X08, X09, X10, X11, X12, X13, X14, X15; X08, X09, X10, X11, X12, X13, X14, X15;
u64 w[WCNT]; /* local copy of input block */ u64 w[WCNT]; /* local copy of input block */
#ifdef SKEIN_DEBUG #ifdef SKEIN_DEBUG
const u64 *Xptr[16]; /* use for debugging (help compiler put Xn in registers) */ const u64 *Xptr[16]; /* use for debugging (help compiler put Xn in registers) */
Xptr[0] = &X00; Xptr[1] = &X01; Xptr[2] = &X02; Xptr[3] = &X03; Xptr[0] = &X00; Xptr[1] = &X01; Xptr[2] = &X02; Xptr[3] = &X03;
Xptr[4] = &X04; Xptr[5] = &X05; Xptr[6] = &X06; Xptr[7] = &X07; Xptr[4] = &X04; Xptr[5] = &X05; Xptr[6] = &X06; Xptr[7] = &X07;
Xptr[8] = &X08; Xptr[9] = &X09; Xptr[10] = &X10; Xptr[11] = &X11; Xptr[8] = &X08; Xptr[9] = &X09; Xptr[10] = &X10; Xptr[11] = &X11;
Xptr[12] = &X12; Xptr[13] = &X13; Xptr[14] = &X14; Xptr[15] = &X15; Xptr[12] = &X12; Xptr[13] = &X13; Xptr[14] = &X14; Xptr[15] = &X15;
#endif #endif
Skein_assert(blkCnt != 0); /* never call with blkCnt == 0! */ Skein_assert(blkCnt != 0); /* never call with blkCnt == 0! */
ts[0] = ctx->h.T[0]; ts[0] = ctx->h.T[0];
ts[1] = ctx->h.T[1]; ts[1] = ctx->h.T[1];
do { do {
/* this implementation only supports 2**64 input bytes (no carry out here) */ /* this implementation only supports 2**64 input bytes (no carry out here) */
ts[0] += byteCntAdd; /* update processed length */ ts[0] += byteCntAdd; /* update processed length */
/* precompute the key schedule for this block */ /* precompute the key schedule for this block */
ks[0] = ctx->X[0]; ks[0] = ctx->X[0];
ks[1] = ctx->X[1]; ks[1] = ctx->X[1];
ks[2] = ctx->X[2]; ks[2] = ctx->X[2];
ks[3] = ctx->X[3]; ks[3] = ctx->X[3];
ks[4] = ctx->X[4]; ks[4] = ctx->X[4];
ks[5] = ctx->X[5]; ks[5] = ctx->X[5];
ks[6] = ctx->X[6]; ks[6] = ctx->X[6];
ks[7] = ctx->X[7]; ks[7] = ctx->X[7];
ks[8] = ctx->X[8]; ks[8] = ctx->X[8];
ks[9] = ctx->X[9]; ks[9] = ctx->X[9];
ks[10] = ctx->X[10]; ks[10] = ctx->X[10];
ks[11] = ctx->X[11]; ks[11] = ctx->X[11];
ks[12] = ctx->X[12]; ks[12] = ctx->X[12];
ks[13] = ctx->X[13]; ks[13] = ctx->X[13];
ks[14] = ctx->X[14]; ks[14] = ctx->X[14];
ks[15] = ctx->X[15]; ks[15] = ctx->X[15];
ks[16] = ks[0] ^ ks[1] ^ ks[2] ^ ks[3] ^ ks[16] = ks[0] ^ ks[1] ^ ks[2] ^ ks[3] ^
ks[4] ^ ks[5] ^ ks[6] ^ ks[7] ^ ks[4] ^ ks[5] ^ ks[6] ^ ks[7] ^
ks[8] ^ ks[9] ^ ks[10] ^ ks[11] ^ ks[8] ^ ks[9] ^ ks[10] ^ ks[11] ^
ks[12] ^ ks[13] ^ ks[14] ^ ks[15] ^ SKEIN_KS_PARITY; ks[12] ^ ks[13] ^ ks[14] ^ ks[15] ^ SKEIN_KS_PARITY;
ts[2] = ts[0] ^ ts[1]; ts[2] = ts[0] ^ ts[1];
Skein_Get64_LSB_First(w, blkPtr, WCNT); /* get input block in little-endian format */ Skein_Get64_LSB_First(w, blkPtr, WCNT); /* get input block in little-endian format */
DebugSaveTweak(ctx); DebugSaveTweak(ctx);
Skein_Show_Block(BLK_BITS, &ctx->h, ctx->X, blkPtr, w, ks, ts); Skein_Show_Block(BLK_BITS, &ctx->h, ctx->X, blkPtr, w, ks, ts);
X00 = w[0] + ks[0]; /* do the first full key injection */ X00 = w[0] + ks[0]; /* do the first full key injection */
X01 = w[1] + ks[1]; X01 = w[1] + ks[1];
X02 = w[2] + ks[2]; X02 = w[2] + ks[2];
X03 = w[3] + ks[3]; X03 = w[3] + ks[3];
X04 = w[4] + ks[4]; X04 = w[4] + ks[4];
X05 = w[5] + ks[5]; X05 = w[5] + ks[5];
X06 = w[6] + ks[6]; X06 = w[6] + ks[6];
X07 = w[7] + ks[7]; X07 = w[7] + ks[7];
X08 = w[8] + ks[8]; X08 = w[8] + ks[8];
X09 = w[9] + ks[9]; X09 = w[9] + ks[9];
X10 = w[10] + ks[10]; X10 = w[10] + ks[10];
X11 = w[11] + ks[11]; X11 = w[11] + ks[11];
X12 = w[12] + ks[12]; X12 = w[12] + ks[12];
X13 = w[13] + ks[13] + ts[0]; X13 = w[13] + ks[13] + ts[0];
X14 = w[14] + ks[14] + ts[1]; X14 = w[14] + ks[14] + ts[1];
X15 = w[15] + ks[15]; X15 = w[15] + ks[15];
Skein_Show_R_Ptr(BLK_BITS, &ctx->h, SKEIN_RND_KEY_INITIAL, Xptr); Skein_Show_R_Ptr(BLK_BITS, &ctx->h, SKEIN_RND_KEY_INITIAL, Xptr);
#define Round1024(p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, pA, pB, pC, pD, pE, pF, ROT, rNum) \ #define Round1024(p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, pA, pB, pC, pD, pE, pF, ROT, rNum) \
X##p0 += X##p1; X##p1 = RotL_64(X##p1, ROT##_0); X##p1 ^= X##p0; \ X##p0 += X##p1; X##p1 = RotL_64(X##p1, ROT##_0); X##p1 ^= X##p0; \
X##p2 += X##p3; X##p3 = RotL_64(X##p3, ROT##_1); X##p3 ^= X##p2; \ X##p2 += X##p3; X##p3 = RotL_64(X##p3, ROT##_1); X##p3 ^= X##p2; \
X##p4 += X##p5; X##p5 = RotL_64(X##p5, ROT##_2); X##p5 ^= X##p4; \ X##p4 += X##p5; X##p5 = RotL_64(X##p5, ROT##_2); X##p5 ^= X##p4; \
X##p6 += X##p7; X##p7 = RotL_64(X##p7, ROT##_3); X##p7 ^= X##p6; \ X##p6 += X##p7; X##p7 = RotL_64(X##p7, ROT##_3); X##p7 ^= X##p6; \
X##p8 += X##p9; X##p9 = RotL_64(X##p9, ROT##_4); X##p9 ^= X##p8; \ X##p8 += X##p9; X##p9 = RotL_64(X##p9, ROT##_4); X##p9 ^= X##p8; \
X##pA += X##pB; X##pB = RotL_64(X##pB, ROT##_5); X##pB ^= X##pA; \ X##pA += X##pB; X##pB = RotL_64(X##pB, ROT##_5); X##pB ^= X##pA; \
X##pC += X##pD; X##pD = RotL_64(X##pD, ROT##_6); X##pD ^= X##pC; \ X##pC += X##pD; X##pD = RotL_64(X##pD, ROT##_6); X##pD ^= X##pC; \
X##pE += X##pF; X##pF = RotL_64(X##pF, ROT##_7); X##pF ^= X##pE; \ X##pE += X##pF; X##pF = RotL_64(X##pF, ROT##_7); X##pF ^= X##pE; \
#if SKEIN_UNROLL_1024 == 0 #if SKEIN_UNROLL_1024 == 0
#define R1024(p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, pA, pB, pC, pD, pE, pF, ROT, rn) \ #define R1024(p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, pA, pB, pC, pD, pE, pF, ROT, rn) \
Round1024(p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, pA, pB, pC, pD, pE, pF, ROT, rn) \ Round1024(p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, pA, pB, pC, pD, pE, pF, ROT, rn) \
Skein_Show_R_Ptr(BLK_BITS, &ctx->h, rn, Xptr); Skein_Show_R_Ptr(BLK_BITS, &ctx->h, rn, Xptr);
#define I1024(R) \ #define I1024(R) \
X00 += ks[((R) + 1) % 17]; /* inject the key schedule value */ \ X00 += ks[((R) + 1) % 17]; /* inject the key schedule value */ \
X01 += ks[((R) + 2) % 17]; \ X01 += ks[((R) + 2) % 17]; \
X02 += ks[((R) + 3) % 17]; \ X02 += ks[((R) + 3) % 17]; \
X03 += ks[((R) + 4) % 17]; \ X03 += ks[((R) + 4) % 17]; \
X04 += ks[((R) + 5) % 17]; \ X04 += ks[((R) + 5) % 17]; \
X05 += ks[((R) + 6) % 17]; \ X05 += ks[((R) + 6) % 17]; \
X06 += ks[((R) + 7) % 17]; \ X06 += ks[((R) + 7) % 17]; \
X07 += ks[((R) + 8) % 17]; \ X07 += ks[((R) + 8) % 17]; \
X08 += ks[((R) + 9) % 17]; \ X08 += ks[((R) + 9) % 17]; \
X09 += ks[((R) + 10) % 17]; \ X09 += ks[((R) + 10) % 17]; \
X10 += ks[((R) + 11) % 17]; \ X10 += ks[((R) + 11) % 17]; \
X11 += ks[((R) + 12) % 17]; \ X11 += ks[((R) + 12) % 17]; \
X12 += ks[((R) + 13) % 17]; \ X12 += ks[((R) + 13) % 17]; \
X13 += ks[((R) + 14) % 17] + ts[((R) + 1) % 3]; \ X13 += ks[((R) + 14) % 17] + ts[((R) + 1) % 3]; \
X14 += ks[((R) + 15) % 17] + ts[((R) + 2) % 3]; \ X14 += ks[((R) + 15) % 17] + ts[((R) + 2) % 3]; \
X15 += ks[((R) + 16) % 17] + (R) + 1; \ X15 += ks[((R) + 16) % 17] + (R) + 1; \
Skein_Show_R_Ptr(BLK_BITS, &ctx->h, SKEIN_RND_KEY_INJECT, Xptr); Skein_Show_R_Ptr(BLK_BITS, &ctx->h, SKEIN_RND_KEY_INJECT, Xptr);
#else /* looping version */ #else /* looping version */
#define R1024(p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, pA, pB, pC, pD, pE, pF, ROT, rn) \ #define R1024(p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, pA, pB, pC, pD, pE, pF, ROT, rn) \
Round1024(p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, pA, pB, pC, pD, pE, pF, ROT, rn) \ Round1024(p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, pA, pB, pC, pD, pE, pF, ROT, rn) \
Skein_Show_R_Ptr(BLK_BITS, &ctx->h, 4 * (r - 1) + rn, Xptr); Skein_Show_R_Ptr(BLK_BITS, &ctx->h, 4 * (r - 1) + rn, Xptr);
#define I1024(R) \ #define I1024(R) \
X00 += ks[r + (R) + 0]; /* inject the key schedule value */ \ X00 += ks[r + (R) + 0]; /* inject the key schedule value */ \
X01 += ks[r + (R) + 1]; \ X01 += ks[r + (R) + 1]; \
X02 += ks[r + (R) + 2]; \ X02 += ks[r + (R) + 2]; \
X03 += ks[r + (R) + 3]; \ X03 += ks[r + (R) + 3]; \
X04 += ks[r + (R) + 4]; \ X04 += ks[r + (R) + 4]; \
X05 += ks[r + (R) + 5]; \ X05 += ks[r + (R) + 5]; \
X06 += ks[r + (R) + 6]; \ X06 += ks[r + (R) + 6]; \
X07 += ks[r + (R) + 7]; \ X07 += ks[r + (R) + 7]; \
X08 += ks[r + (R) + 8]; \ X08 += ks[r + (R) + 8]; \
X09 += ks[r + (R) + 9]; \ X09 += ks[r + (R) + 9]; \
X10 += ks[r + (R) + 10]; \ X10 += ks[r + (R) + 10]; \
X11 += ks[r + (R) + 11]; \ X11 += ks[r + (R) + 11]; \
X12 += ks[r + (R) + 12]; \ X12 += ks[r + (R) + 12]; \
X13 += ks[r + (R) + 13] + ts[r + (R) + 0]; \ X13 += ks[r + (R) + 13] + ts[r + (R) + 0]; \
X14 += ks[r + (R) + 14] + ts[r + (R) + 1]; \ X14 += ks[r + (R) + 14] + ts[r + (R) + 1]; \
X15 += ks[r + (R) + 15] + r + (R); \ X15 += ks[r + (R) + 15] + r + (R); \
ks[r + (R) + 16] = ks[r + (R) - 1]; /* rotate key schedule */\ ks[r + (R) + 16] = ks[r + (R) - 1]; /* rotate key schedule */\
ts[r + (R) + 2] = ts[r + (R) - 1]; \ ts[r + (R) + 2] = ts[r + (R) - 1]; \
Skein_Show_R_Ptr(BLK_BITSi, &ctx->h, SKEIN_RND_KEY_INJECT, Xptr); Skein_Show_R_Ptr(BLK_BITSi, &ctx->h, SKEIN_RND_KEY_INJECT, Xptr);
for (r = 1; r <= 2 * RCNT; r += 2 * SKEIN_UNROLL_1024) /* loop thru it */ for (r = 1; r <= 2 * RCNT; r += 2 * SKEIN_UNROLL_1024) /* loop thru it */
#endif #endif
{ {
#define R1024_8_rounds(R) /* do 8 full rounds */ \ #define R1024_8_rounds(R) /* do 8 full rounds */ \
R1024(00, 01, 02, 03, 04, 05, 06, 07, 08, 09, 10, 11, 12, 13, 14, 15, R1024_0, 8*(R) + 1); \ R1024(00, 01, 02, 03, 04, 05, 06, 07, 08, 09, 10, 11, 12, 13, 14, 15, R1024_0, 8*(R) + 1); \
R1024(00, 09, 02, 13, 06, 11, 04, 15, 10, 07, 12, 03, 14, 05, 08, 01, R1024_1, 8*(R) + 2); \ R1024(00, 09, 02, 13, 06, 11, 04, 15, 10, 07, 12, 03, 14, 05, 08, 01, R1024_1, 8*(R) + 2); \
R1024(00, 07, 02, 05, 04, 03, 06, 01, 12, 15, 14, 13, 08, 11, 10, 09, R1024_2, 8*(R) + 3); \ R1024(00, 07, 02, 05, 04, 03, 06, 01, 12, 15, 14, 13, 08, 11, 10, 09, R1024_2, 8*(R) + 3); \
R1024(00, 15, 02, 11, 06, 13, 04, 09, 14, 01, 08, 05, 10, 03, 12, 07, R1024_3, 8*(R) + 4); \ R1024(00, 15, 02, 11, 06, 13, 04, 09, 14, 01, 08, 05, 10, 03, 12, 07, R1024_3, 8*(R) + 4); \
I1024(2*(R)); \ I1024(2*(R)); \
R1024(00, 01, 02, 03, 04, 05, 06, 07, 08, 09, 10, 11, 12, 13, 14, 15, R1024_4, 8*(R) + 5); \ R1024(00, 01, 02, 03, 04, 05, 06, 07, 08, 09, 10, 11, 12, 13, 14, 15, R1024_4, 8*(R) + 5); \
R1024(00, 09, 02, 13, 06, 11, 04, 15, 10, 07, 12, 03, 14, 05, 08, 01, R1024_5, 8*(R) + 6); \ R1024(00, 09, 02, 13, 06, 11, 04, 15, 10, 07, 12, 03, 14, 05, 08, 01, R1024_5, 8*(R) + 6); \
R1024(00, 07, 02, 05, 04, 03, 06, 01, 12, 15, 14, 13, 08, 11, 10, 09, R1024_6, 8*(R) + 7); \ R1024(00, 07, 02, 05, 04, 03, 06, 01, 12, 15, 14, 13, 08, 11, 10, 09, R1024_6, 8*(R) + 7); \
R1024(00, 15, 02, 11, 06, 13, 04, 09, 14, 01, 08, 05, 10, 03, 12, 07, R1024_7, 8*(R) + 8); \ R1024(00, 15, 02, 11, 06, 13, 04, 09, 14, 01, 08, 05, 10, 03, 12, 07, R1024_7, 8*(R) + 8); \
I1024(2*(R)+1); I1024(2*(R)+1);
R1024_8_rounds(0); R1024_8_rounds(0);
#define R1024_Unroll_R(NN) ((SKEIN_UNROLL_1024 == 0 && SKEIN1024_ROUNDS_TOTAL/8 > (NN)) || (SKEIN_UNROLL_1024 > (NN))) #define R1024_Unroll_R(NN) ((SKEIN_UNROLL_1024 == 0 && SKEIN1024_ROUNDS_TOTAL/8 > (NN)) || (SKEIN_UNROLL_1024 > (NN)))
#if R1024_Unroll_R(1) #if R1024_Unroll_R(1)
R1024_8_rounds(1); R1024_8_rounds(1);
#endif #endif
#if R1024_Unroll_R(2) #if R1024_Unroll_R(2)
R1024_8_rounds(2); R1024_8_rounds(2);
#endif #endif
#if R1024_Unroll_R(3) #if R1024_Unroll_R(3)
R1024_8_rounds(3); R1024_8_rounds(3);
#endif #endif
#if R1024_Unroll_R(4) #if R1024_Unroll_R(4)
R1024_8_rounds(4); R1024_8_rounds(4);
#endif #endif
#if R1024_Unroll_R(5) #if R1024_Unroll_R(5)
R1024_8_rounds(5); R1024_8_rounds(5);
#endif #endif
#if R1024_Unroll_R(6) #if R1024_Unroll_R(6)
R1024_8_rounds(6); R1024_8_rounds(6);
#endif #endif
#if R1024_Unroll_R(7) #if R1024_Unroll_R(7)
R1024_8_rounds(7); R1024_8_rounds(7);
#endif #endif
#if R1024_Unroll_R(8) #if R1024_Unroll_R(8)
R1024_8_rounds(8); R1024_8_rounds(8);
#endif #endif
#if R1024_Unroll_R(9) #if R1024_Unroll_R(9)
R1024_8_rounds(9); R1024_8_rounds(9);
#endif #endif
#if R1024_Unroll_R(10) #if R1024_Unroll_R(10)
R1024_8_rounds(10); R1024_8_rounds(10);
#endif #endif
#if R1024_Unroll_R(11) #if R1024_Unroll_R(11)
R1024_8_rounds(11); R1024_8_rounds(11);
#endif #endif
#if R1024_Unroll_R(12) #if R1024_Unroll_R(12)
R1024_8_rounds(12); R1024_8_rounds(12);
#endif #endif
#if R1024_Unroll_R(13) #if R1024_Unroll_R(13)
R1024_8_rounds(13); R1024_8_rounds(13);
#endif #endif
#if R1024_Unroll_R(14) #if R1024_Unroll_R(14)
R1024_8_rounds(14); R1024_8_rounds(14);
#endif #endif
#if (SKEIN_UNROLL_1024 > 14) #if (SKEIN_UNROLL_1024 > 14)
#error "need more unrolling in Skein_1024_Process_Block" #error "need more unrolling in Skein_1024_Process_Block"
#endif #endif
} }
/* do the final "feedforward" xor, update context chaining vars */ /* do the final "feedforward" xor, update context chaining vars */
ctx->X[0] = X00 ^ w[0]; ctx->X[0] = X00 ^ w[0];
ctx->X[1] = X01 ^ w[1]; ctx->X[1] = X01 ^ w[1];
ctx->X[2] = X02 ^ w[2]; ctx->X[2] = X02 ^ w[2];
ctx->X[3] = X03 ^ w[3]; ctx->X[3] = X03 ^ w[3];
ctx->X[4] = X04 ^ w[4]; ctx->X[4] = X04 ^ w[4];
ctx->X[5] = X05 ^ w[5]; ctx->X[5] = X05 ^ w[5];
ctx->X[6] = X06 ^ w[6]; ctx->X[6] = X06 ^ w[6];
ctx->X[7] = X07 ^ w[7]; ctx->X[7] = X07 ^ w[7];
ctx->X[8] = X08 ^ w[8]; ctx->X[8] = X08 ^ w[8];
ctx->X[9] = X09 ^ w[9]; ctx->X[9] = X09 ^ w[9];
ctx->X[10] = X10 ^ w[10]; ctx->X[10] = X10 ^ w[10];
ctx->X[11] = X11 ^ w[11]; ctx->X[11] = X11 ^ w[11];
ctx->X[12] = X12 ^ w[12]; ctx->X[12] = X12 ^ w[12];
ctx->X[13] = X13 ^ w[13]; ctx->X[13] = X13 ^ w[13];
ctx->X[14] = X14 ^ w[14]; ctx->X[14] = X14 ^ w[14];
ctx->X[15] = X15 ^ w[15]; ctx->X[15] = X15 ^ w[15];
Skein_Show_Round(BLK_BITS, &ctx->h, SKEIN_RND_FEED_FWD, ctx->X); Skein_Show_Round(BLK_BITS, &ctx->h, SKEIN_RND_FEED_FWD, ctx->X);
ts[1] &= ~SKEIN_T1_FLAG_FIRST; ts[1] &= ~SKEIN_T1_FLAG_FIRST;
blkPtr += SKEIN1024_BLOCK_BYTES; blkPtr += SKEIN1024_BLOCK_BYTES;
} }
while (--blkCnt); while (--blkCnt);
ctx->h.T[0] = ts[0]; ctx->h.T[0] = ts[0];
ctx->h.T[1] = ts[1]; ctx->h.T[1] = ts[1];
} }
#if defined(SKEIN_CODE_SIZE) || defined(SKEIN_PERF) #if defined(SKEIN_CODE_SIZE) || defined(SKEIN_PERF)
size_t Skein1024_Process_Block_CodeSize(void) size_t Skein1024_Process_Block_CodeSize(void)
{ {
return ((u8 *) Skein1024_Process_Block_CodeSize) - return ((u8 *) Skein1024_Process_Block_CodeSize) -
((u8 *) Skein1024_Process_Block); ((u8 *) Skein1024_Process_Block);
} }
unsigned int Skein1024_Unroll_Cnt(void) unsigned int Skein1024_Unroll_Cnt(void)
{ {
return SKEIN_UNROLL_1024; return SKEIN_UNROLL_1024;
} }
#endif #endif
#endif #endif
drivers/staging/skein/threefish1024Block.c
View file @ 39bd42b0
This source diff could not be displayed because it is too large. You can view the blob instead.
drivers/staging/skein/threefish256Block.c
View file @ 39bd42b0
...@@ -3,346 +3,345 @@ ...@@ -3,346 +3,345 @@
void threefishEncrypt256(struct threefish_key *keyCtx, u64 *input, u64 *output) void threefishEncrypt256(struct threefish_key *keyCtx, u64 *input, u64 *output)
{ {
u64 b0 = input[0], b1 = input[1],
b2 = input[2], b3 = input[3];
u64 k0 = keyCtx->key[0], k1 = keyCtx->key[1],
k2 = keyCtx->key[2], k3 = keyCtx->key[3],
k4 = keyCtx->key[4];
u64 t0 = keyCtx->tweak[0], t1 = keyCtx->tweak[1],
t2 = keyCtx->tweak[2];
u64 b0 = input[0], b1 = input[1], b1 += k1 + t0; b0 += b1 + k0; b1 = ((b1 << 14) | (b1 >> (64 - 14))) ^ b0;
b2 = input[2], b3 = input[3]; b3 += k3; b2 += b3 + k2 + t1; b3 = ((b3 << 16) | (b3 >> (64 - 16))) ^ b2;
u64 k0 = keyCtx->key[0], k1 = keyCtx->key[1], b0 += b3; b3 = ((b3 << 52) | (b3 >> (64 - 52))) ^ b0;
k2 = keyCtx->key[2], k3 = keyCtx->key[3], b2 += b1; b1 = ((b1 << 57) | (b1 >> (64 - 57))) ^ b2;
k4 = keyCtx->key[4]; b0 += b1; b1 = ((b1 << 23) | (b1 >> (64 - 23))) ^ b0;
u64 t0 = keyCtx->tweak[0], t1 = keyCtx->tweak[1], b2 += b3; b3 = ((b3 << 40) | (b3 >> (64 - 40))) ^ b2;
t2 = keyCtx->tweak[2]; b0 += b3; b3 = ((b3 << 5) | (b3 >> (64 - 5))) ^ b0;
b2 += b1; b1 = ((b1 << 37) | (b1 >> (64 - 37))) ^ b2;
b1 += k2 + t1; b0 += b1 + k1; b1 = ((b1 << 25) | (b1 >> (64 - 25))) ^ b0;
b3 += k4 + 1; b2 += b3 + k3 + t2; b3 = ((b3 << 33) | (b3 >> (64 - 33))) ^ b2;
b0 += b3; b3 = ((b3 << 46) | (b3 >> (64 - 46))) ^ b0;
b2 += b1; b1 = ((b1 << 12) | (b1 >> (64 - 12))) ^ b2;
b0 += b1; b1 = ((b1 << 58) | (b1 >> (64 - 58))) ^ b0;
b2 += b3; b3 = ((b3 << 22) | (b3 >> (64 - 22))) ^ b2;
b0 += b3; b3 = ((b3 << 32) | (b3 >> (64 - 32))) ^ b0;
b2 += b1; b1 = ((b1 << 32) | (b1 >> (64 - 32))) ^ b2;
b1 += k1 + t0; b0 += b1 + k0; b1 = ((b1 << 14) | (b1 >> (64 - 14))) ^ b0; b1 += k3 + t2; b0 += b1 + k2; b1 = ((b1 << 14) | (b1 >> (64 - 14))) ^ b0;
b3 += k3; b2 += b3 + k2 + t1; b3 = ((b3 << 16) | (b3 >> (64 - 16))) ^ b2; b3 += k0 + 2; b2 += b3 + k4 + t0; b3 = ((b3 << 16) | (b3 >> (64 - 16))) ^ b2;
b0 += b3; b3 = ((b3 << 52) | (b3 >> (64 - 52))) ^ b0; b0 += b3; b3 = ((b3 << 52) | (b3 >> (64 - 52))) ^ b0;
b2 += b1; b1 = ((b1 << 57) | (b1 >> (64 - 57))) ^ b2; b2 += b1; b1 = ((b1 << 57) | (b1 >> (64 - 57))) ^ b2;
b0 += b1; b1 = ((b1 << 23) | (b1 >> (64 - 23))) ^ b0; b0 += b1; b1 = ((b1 << 23) | (b1 >> (64 - 23))) ^ b0;
b2 += b3; b3 = ((b3 << 40) | (b3 >> (64 - 40))) ^ b2; b2 += b3; b3 = ((b3 << 40) | (b3 >> (64 - 40))) ^ b2;
b0 += b3; b3 = ((b3 << 5) | (b3 >> (64 - 5))) ^ b0; b0 += b3; b3 = ((b3 << 5) | (b3 >> (64 - 5))) ^ b0;
b2 += b1; b1 = ((b1 << 37) | (b1 >> (64 - 37))) ^ b2; b2 += b1; b1 = ((b1 << 37) | (b1 >> (64 - 37))) ^ b2;
b1 += k2 + t1; b0 += b1 + k1; b1 = ((b1 << 25) | (b1 >> (64 - 25))) ^ b0; b1 += k4 + t0; b0 += b1 + k3; b1 = ((b1 << 25) | (b1 >> (64 - 25))) ^ b0;
b3 += k4 + 1; b2 += b3 + k3 + t2; b3 = ((b3 << 33) | (b3 >> (64 - 33))) ^ b2; b3 += k1 + 3; b2 += b3 + k0 + t1; b3 = ((b3 << 33) | (b3 >> (64 - 33))) ^ b2;
b0 += b3; b3 = ((b3 << 46) | (b3 >> (64 - 46))) ^ b0; b0 += b3; b3 = ((b3 << 46) | (b3 >> (64 - 46))) ^ b0;
b2 += b1; b1 = ((b1 << 12) | (b1 >> (64 - 12))) ^ b2; b2 += b1; b1 = ((b1 << 12) | (b1 >> (64 - 12))) ^ b2;
b0 += b1; b1 = ((b1 << 58) | (b1 >> (64 - 58))) ^ b0; b0 += b1; b1 = ((b1 << 58) | (b1 >> (64 - 58))) ^ b0;
b2 += b3; b3 = ((b3 << 22) | (b3 >> (64 - 22))) ^ b2; b2 += b3; b3 = ((b3 << 22) | (b3 >> (64 - 22))) ^ b2;
b0 += b3; b3 = ((b3 << 32) | (b3 >> (64 - 32))) ^ b0; b0 += b3; b3 = ((b3 << 32) | (b3 >> (64 - 32))) ^ b0;
b2 += b1; b1 = ((b1 << 32) | (b1 >> (64 - 32))) ^ b2; b2 += b1; b1 = ((b1 << 32) | (b1 >> (64 - 32))) ^ b2;
b1 += k3 + t2; b0 += b1 + k2; b1 = ((b1 << 14) | (b1 >> (64 - 14))) ^ b0; b1 += k0 + t1; b0 += b1 + k4; b1 = ((b1 << 14) | (b1 >> (64 - 14))) ^ b0;
b3 += k0 + 2; b2 += b3 + k4 + t0; b3 = ((b3 << 16) | (b3 >> (64 - 16))) ^ b2; b3 += k2 + 4; b2 += b3 + k1 + t2; b3 = ((b3 << 16) | (b3 >> (64 - 16))) ^ b2;
b0 += b3; b3 = ((b3 << 52) | (b3 >> (64 - 52))) ^ b0; b0 += b3; b3 = ((b3 << 52) | (b3 >> (64 - 52))) ^ b0;
b2 += b1; b1 = ((b1 << 57) | (b1 >> (64 - 57))) ^ b2; b2 += b1; b1 = ((b1 << 57) | (b1 >> (64 - 57))) ^ b2;
b0 += b1; b1 = ((b1 << 23) | (b1 >> (64 - 23))) ^ b0; b0 += b1; b1 = ((b1 << 23) | (b1 >> (64 - 23))) ^ b0;
b2 += b3; b3 = ((b3 << 40) | (b3 >> (64 - 40))) ^ b2; b2 += b3; b3 = ((b3 << 40) | (b3 >> (64 - 40))) ^ b2;
b0 += b3; b3 = ((b3 << 5) | (b3 >> (64 - 5))) ^ b0; b0 += b3; b3 = ((b3 << 5) | (b3 >> (64 - 5))) ^ b0;
b2 += b1; b1 = ((b1 << 37) | (b1 >> (64 - 37))) ^ b2; b2 += b1; b1 = ((b1 << 37) | (b1 >> (64 - 37))) ^ b2;
b1 += k4 + t0; b0 += b1 + k3; b1 = ((b1 << 25) | (b1 >> (64 - 25))) ^ b0; b1 += k1 + t2; b0 += b1 + k0; b1 = ((b1 << 25) | (b1 >> (64 - 25))) ^ b0;
b3 += k1 + 3; b2 += b3 + k0 + t1; b3 = ((b3 << 33) | (b3 >> (64 - 33))) ^ b2; b3 += k3 + 5; b2 += b3 + k2 + t0; b3 = ((b3 << 33) | (b3 >> (64 - 33))) ^ b2;
b0 += b3; b3 = ((b3 << 46) | (b3 >> (64 - 46))) ^ b0; b0 += b3; b3 = ((b3 << 46) | (b3 >> (64 - 46))) ^ b0;
b2 += b1; b1 = ((b1 << 12) | (b1 >> (64 - 12))) ^ b2; b2 += b1; b1 = ((b1 << 12) | (b1 >> (64 - 12))) ^ b2;
b0 += b1; b1 = ((b1 << 58) | (b1 >> (64 - 58))) ^ b0; b0 += b1; b1 = ((b1 << 58) | (b1 >> (64 - 58))) ^ b0;
b2 += b3; b3 = ((b3 << 22) | (b3 >> (64 - 22))) ^ b2; b2 += b3; b3 = ((b3 << 22) | (b3 >> (64 - 22))) ^ b2;
b0 += b3; b3 = ((b3 << 32) | (b3 >> (64 - 32))) ^ b0; b0 += b3; b3 = ((b3 << 32) | (b3 >> (64 - 32))) ^ b0;
b2 += b1; b1 = ((b1 << 32) | (b1 >> (64 - 32))) ^ b2; b2 += b1; b1 = ((b1 << 32) | (b1 >> (64 - 32))) ^ b2;
b1 += k0 + t1; b0 += b1 + k4; b1 = ((b1 << 14) | (b1 >> (64 - 14))) ^ b0; b1 += k2 + t0; b0 += b1 + k1; b1 = ((b1 << 14) | (b1 >> (64 - 14))) ^ b0;
b3 += k2 + 4; b2 += b3 + k1 + t2; b3 = ((b3 << 16) | (b3 >> (64 - 16))) ^ b2; b3 += k4 + 6; b2 += b3 + k3 + t1; b3 = ((b3 << 16) | (b3 >> (64 - 16))) ^ b2;
b0 += b3; b3 = ((b3 << 52) | (b3 >> (64 - 52))) ^ b0; b0 += b3; b3 = ((b3 << 52) | (b3 >> (64 - 52))) ^ b0;
b2 += b1; b1 = ((b1 << 57) | (b1 >> (64 - 57))) ^ b2; b2 += b1; b1 = ((b1 << 57) | (b1 >> (64 - 57))) ^ b2;
b0 += b1; b1 = ((b1 << 23) | (b1 >> (64 - 23))) ^ b0; b0 += b1; b1 = ((b1 << 23) | (b1 >> (64 - 23))) ^ b0;
b2 += b3; b3 = ((b3 << 40) | (b3 >> (64 - 40))) ^ b2; b2 += b3; b3 = ((b3 << 40) | (b3 >> (64 - 40))) ^ b2;
b0 += b3; b3 = ((b3 << 5) | (b3 >> (64 - 5))) ^ b0; b0 += b3; b3 = ((b3 << 5) | (b3 >> (64 - 5))) ^ b0;
b2 += b1; b1 = ((b1 << 37) | (b1 >> (64 - 37))) ^ b2; b2 += b1; b1 = ((b1 << 37) | (b1 >> (64 - 37))) ^ b2;
b1 += k1 + t2; b0 += b1 + k0; b1 = ((b1 << 25) | (b1 >> (64 - 25))) ^ b0; b1 += k3 + t1; b0 += b1 + k2; b1 = ((b1 << 25) | (b1 >> (64 - 25))) ^ b0;
b3 += k3 + 5; b2 += b3 + k2 + t0; b3 = ((b3 << 33) | (b3 >> (64 - 33))) ^ b2; b3 += k0 + 7; b2 += b3 + k4 + t2; b3 = ((b3 << 33) | (b3 >> (64 - 33))) ^ b2;
b0 += b3; b3 = ((b3 << 46) | (b3 >> (64 - 46))) ^ b0; b0 += b3; b3 = ((b3 << 46) | (b3 >> (64 - 46))) ^ b0;
b2 += b1; b1 = ((b1 << 12) | (b1 >> (64 - 12))) ^ b2; b2 += b1; b1 = ((b1 << 12) | (b1 >> (64 - 12))) ^ b2;
b0 += b1; b1 = ((b1 << 58) | (b1 >> (64 - 58))) ^ b0; b0 += b1; b1 = ((b1 << 58) | (b1 >> (64 - 58))) ^ b0;
b2 += b3; b3 = ((b3 << 22) | (b3 >> (64 - 22))) ^ b2; b2 += b3; b3 = ((b3 << 22) | (b3 >> (64 - 22))) ^ b2;
b0 += b3; b3 = ((b3 << 32) | (b3 >> (64 - 32))) ^ b0; b0 += b3; b3 = ((b3 << 32) | (b3 >> (64 - 32))) ^ b0;
b2 += b1; b1 = ((b1 << 32) | (b1 >> (64 - 32))) ^ b2; b2 += b1; b1 = ((b1 << 32) | (b1 >> (64 - 32))) ^ b2;
b1 += k2 + t0; b0 += b1 + k1; b1 = ((b1 << 14) | (b1 >> (64 - 14))) ^ b0; b1 += k4 + t2; b0 += b1 + k3; b1 = ((b1 << 14) | (b1 >> (64 - 14))) ^ b0;
b3 += k4 + 6; b2 += b3 + k3 + t1; b3 = ((b3 << 16) | (b3 >> (64 - 16))) ^ b2; b3 += k1 + 8; b2 += b3 + k0 + t0; b3 = ((b3 << 16) | (b3 >> (64 - 16))) ^ b2;
b0 += b3; b3 = ((b3 << 52) | (b3 >> (64 - 52))) ^ b0; b0 += b3; b3 = ((b3 << 52) | (b3 >> (64 - 52))) ^ b0;
b2 += b1; b1 = ((b1 << 57) | (b1 >> (64 - 57))) ^ b2; b2 += b1; b1 = ((b1 << 57) | (b1 >> (64 - 57))) ^ b2;
b0 += b1; b1 = ((b1 << 23) | (b1 >> (64 - 23))) ^ b0; b0 += b1; b1 = ((b1 << 23) | (b1 >> (64 - 23))) ^ b0;
b2 += b3; b3 = ((b3 << 40) | (b3 >> (64 - 40))) ^ b2; b2 += b3; b3 = ((b3 << 40) | (b3 >> (64 - 40))) ^ b2;
b0 += b3; b3 = ((b3 << 5) | (b3 >> (64 - 5))) ^ b0; b0 += b3; b3 = ((b3 << 5) | (b3 >> (64 - 5))) ^ b0;
b2 += b1; b1 = ((b1 << 37) | (b1 >> (64 - 37))) ^ b2; b2 += b1; b1 = ((b1 << 37) | (b1 >> (64 - 37))) ^ b2;
b1 += k3 + t1; b0 += b1 + k2; b1 = ((b1 << 25) | (b1 >> (64 - 25))) ^ b0; b1 += k0 + t0; b0 += b1 + k4; b1 = ((b1 << 25) | (b1 >> (64 - 25))) ^ b0;
b3 += k0 + 7; b2 += b3 + k4 + t2; b3 = ((b3 << 33) | (b3 >> (64 - 33))) ^ b2; b3 += k2 + 9; b2 += b3 + k1 + t1; b3 = ((b3 << 33) | (b3 >> (64 - 33))) ^ b2;
b0 += b3; b3 = ((b3 << 46) | (b3 >> (64 - 46))) ^ b0; b0 += b3; b3 = ((b3 << 46) | (b3 >> (64 - 46))) ^ b0;
b2 += b1; b1 = ((b1 << 12) | (b1 >> (64 - 12))) ^ b2; b2 += b1; b1 = ((b1 << 12) | (b1 >> (64 - 12))) ^ b2;
b0 += b1; b1 = ((b1 << 58) | (b1 >> (64 - 58))) ^ b0; b0 += b1; b1 = ((b1 << 58) | (b1 >> (64 - 58))) ^ b0;
b2 += b3; b3 = ((b3 << 22) | (b3 >> (64 - 22))) ^ b2; b2 += b3; b3 = ((b3 << 22) | (b3 >> (64 - 22))) ^ b2;
b0 += b3; b3 = ((b3 << 32) | (b3 >> (64 - 32))) ^ b0; b0 += b3; b3 = ((b3 << 32) | (b3 >> (64 - 32))) ^ b0;
b2 += b1; b1 = ((b1 << 32) | (b1 >> (64 - 32))) ^ b2; b2 += b1; b1 = ((b1 << 32) | (b1 >> (64 - 32))) ^ b2;
b1 += k4 + t2; b0 += b1 + k3; b1 = ((b1 << 14) | (b1 >> (64 - 14))) ^ b0; b1 += k1 + t1; b0 += b1 + k0; b1 = ((b1 << 14) | (b1 >> (64 - 14))) ^ b0;
b3 += k1 + 8; b2 += b3 + k0 + t0; b3 = ((b3 << 16) | (b3 >> (64 - 16))) ^ b2; b3 += k3 + 10; b2 += b3 + k2 + t2; b3 = ((b3 << 16) | (b3 >> (64 - 16))) ^ b2;
b0 += b3; b3 = ((b3 << 52) | (b3 >> (64 - 52))) ^ b0; b0 += b3; b3 = ((b3 << 52) | (b3 >> (64 - 52))) ^ b0;
b2 += b1; b1 = ((b1 << 57) | (b1 >> (64 - 57))) ^ b2; b2 += b1; b1 = ((b1 << 57) | (b1 >> (64 - 57))) ^ b2;
b0 += b1; b1 = ((b1 << 23) | (b1 >> (64 - 23))) ^ b0; b0 += b1; b1 = ((b1 << 23) | (b1 >> (64 - 23))) ^ b0;
b2 += b3; b3 = ((b3 << 40) | (b3 >> (64 - 40))) ^ b2; b2 += b3; b3 = ((b3 << 40) | (b3 >> (64 - 40))) ^ b2;
b0 += b3; b3 = ((b3 << 5) | (b3 >> (64 - 5))) ^ b0; b0 += b3; b3 = ((b3 << 5) | (b3 >> (64 - 5))) ^ b0;
b2 += b1; b1 = ((b1 << 37) | (b1 >> (64 - 37))) ^ b2; b2 += b1; b1 = ((b1 << 37) | (b1 >> (64 - 37))) ^ b2;
b1 += k0 + t0; b0 += b1 + k4; b1 = ((b1 << 25) | (b1 >> (64 - 25))) ^ b0; b1 += k2 + t2; b0 += b1 + k1; b1 = ((b1 << 25) | (b1 >> (64 - 25))) ^ b0;
b3 += k2 + 9; b2 += b3 + k1 + t1; b3 = ((b3 << 33) | (b3 >> (64 - 33))) ^ b2; b3 += k4 + 11; b2 += b3 + k3 + t0; b3 = ((b3 << 33) | (b3 >> (64 - 33))) ^ b2;
b0 += b3; b3 = ((b3 << 46) | (b3 >> (64 - 46))) ^ b0; b0 += b3; b3 = ((b3 << 46) | (b3 >> (64 - 46))) ^ b0;
b2 += b1; b1 = ((b1 << 12) | (b1 >> (64 - 12))) ^ b2; b2 += b1; b1 = ((b1 << 12) | (b1 >> (64 - 12))) ^ b2;
b0 += b1; b1 = ((b1 << 58) | (b1 >> (64 - 58))) ^ b0; b0 += b1; b1 = ((b1 << 58) | (b1 >> (64 - 58))) ^ b0;
b2 += b3; b3 = ((b3 << 22) | (b3 >> (64 - 22))) ^ b2; b2 += b3; b3 = ((b3 << 22) | (b3 >> (64 - 22))) ^ b2;
b0 += b3; b3 = ((b3 << 32) | (b3 >> (64 - 32))) ^ b0; b0 += b3; b3 = ((b3 << 32) | (b3 >> (64 - 32))) ^ b0;
b2 += b1; b1 = ((b1 << 32) | (b1 >> (64 - 32))) ^ b2; b2 += b1; b1 = ((b1 << 32) | (b1 >> (64 - 32))) ^ b2;
b1 += k1 + t1; b0 += b1 + k0; b1 = ((b1 << 14) | (b1 >> (64 - 14))) ^ b0; b1 += k3 + t0; b0 += b1 + k2; b1 = ((b1 << 14) | (b1 >> (64 - 14))) ^ b0;
b3 += k3 + 10; b2 += b3 + k2 + t2; b3 = ((b3 << 16) | (b3 >> (64 - 16))) ^ b2; b3 += k0 + 12; b2 += b3 + k4 + t1; b3 = ((b3 << 16) | (b3 >> (64 - 16))) ^ b2;
b0 += b3; b3 = ((b3 << 52) | (b3 >> (64 - 52))) ^ b0; b0 += b3; b3 = ((b3 << 52) | (b3 >> (64 - 52))) ^ b0;
b2 += b1; b1 = ((b1 << 57) | (b1 >> (64 - 57))) ^ b2; b2 += b1; b1 = ((b1 << 57) | (b1 >> (64 - 57))) ^ b2;
b0 += b1; b1 = ((b1 << 23) | (b1 >> (64 - 23))) ^ b0; b0 += b1; b1 = ((b1 << 23) | (b1 >> (64 - 23))) ^ b0;
b2 += b3; b3 = ((b3 << 40) | (b3 >> (64 - 40))) ^ b2; b2 += b3; b3 = ((b3 << 40) | (b3 >> (64 - 40))) ^ b2;
b0 += b3; b3 = ((b3 << 5) | (b3 >> (64 - 5))) ^ b0; b0 += b3; b3 = ((b3 << 5) | (b3 >> (64 - 5))) ^ b0;
b2 += b1; b1 = ((b1 << 37) | (b1 >> (64 - 37))) ^ b2; b2 += b1; b1 = ((b1 << 37) | (b1 >> (64 - 37))) ^ b2;
b1 += k2 + t2; b0 += b1 + k1; b1 = ((b1 << 25) | (b1 >> (64 - 25))) ^ b0; b1 += k4 + t1; b0 += b1 + k3; b1 = ((b1 << 25) | (b1 >> (64 - 25))) ^ b0;
b3 += k4 + 11; b2 += b3 + k3 + t0; b3 = ((b3 << 33) | (b3 >> (64 - 33))) ^ b2; b3 += k1 + 13; b2 += b3 + k0 + t2; b3 = ((b3 << 33) | (b3 >> (64 - 33))) ^ b2;
b0 += b3; b3 = ((b3 << 46) | (b3 >> (64 - 46))) ^ b0; b0 += b3; b3 = ((b3 << 46) | (b3 >> (64 - 46))) ^ b0;
b2 += b1; b1 = ((b1 << 12) | (b1 >> (64 - 12))) ^ b2; b2 += b1; b1 = ((b1 << 12) | (b1 >> (64 - 12))) ^ b2;
b0 += b1; b1 = ((b1 << 58) | (b1 >> (64 - 58))) ^ b0; b0 += b1; b1 = ((b1 << 58) | (b1 >> (64 - 58))) ^ b0;
b2 += b3; b3 = ((b3 << 22) | (b3 >> (64 - 22))) ^ b2; b2 += b3; b3 = ((b3 << 22) | (b3 >> (64 - 22))) ^ b2;
b0 += b3; b3 = ((b3 << 32) | (b3 >> (64 - 32))) ^ b0; b0 += b3; b3 = ((b3 << 32) | (b3 >> (64 - 32))) ^ b0;
b2 += b1; b1 = ((b1 << 32) | (b1 >> (64 - 32))) ^ b2; b2 += b1; b1 = ((b1 << 32) | (b1 >> (64 - 32))) ^ b2;
b1 += k3 + t0; b0 += b1 + k2; b1 = ((b1 << 14) | (b1 >> (64 - 14))) ^ b0; b1 += k0 + t2; b0 += b1 + k4; b1 = ((b1 << 14) | (b1 >> (64 - 14))) ^ b0;
b3 += k0 + 12; b2 += b3 + k4 + t1; b3 = ((b3 << 16) | (b3 >> (64 - 16))) ^ b2; b3 += k2 + 14; b2 += b3 + k1 + t0; b3 = ((b3 << 16) | (b3 >> (64 - 16))) ^ b2;
b0 += b3; b3 = ((b3 << 52) | (b3 >> (64 - 52))) ^ b0; b0 += b3; b3 = ((b3 << 52) | (b3 >> (64 - 52))) ^ b0;
b2 += b1; b1 = ((b1 << 57) | (b1 >> (64 - 57))) ^ b2; b2 += b1; b1 = ((b1 << 57) | (b1 >> (64 - 57))) ^ b2;
b0 += b1; b1 = ((b1 << 23) | (b1 >> (64 - 23))) ^ b0; b0 += b1; b1 = ((b1 << 23) | (b1 >> (64 - 23))) ^ b0;
b2 += b3; b3 = ((b3 << 40) | (b3 >> (64 - 40))) ^ b2; b2 += b3; b3 = ((b3 << 40) | (b3 >> (64 - 40))) ^ b2;
b0 += b3; b3 = ((b3 << 5) | (b3 >> (64 - 5))) ^ b0; b0 += b3; b3 = ((b3 << 5) | (b3 >> (64 - 5))) ^ b0;
b2 += b1; b1 = ((b1 << 37) | (b1 >> (64 - 37))) ^ b2; b2 += b1; b1 = ((b1 << 37) | (b1 >> (64 - 37))) ^ b2;
b1 += k4 + t1; b0 += b1 + k3; b1 = ((b1 << 25) | (b1 >> (64 - 25))) ^ b0; b1 += k1 + t0; b0 += b1 + k0; b1 = ((b1 << 25) | (b1 >> (64 - 25))) ^ b0;
b3 += k1 + 13; b2 += b3 + k0 + t2; b3 = ((b3 << 33) | (b3 >> (64 - 33))) ^ b2; b3 += k3 + 15; b2 += b3 + k2 + t1; b3 = ((b3 << 33) | (b3 >> (64 - 33))) ^ b2;
b0 += b3; b3 = ((b3 << 46) | (b3 >> (64 - 46))) ^ b0; b0 += b3; b3 = ((b3 << 46) | (b3 >> (64 - 46))) ^ b0;
b2 += b1; b1 = ((b1 << 12) | (b1 >> (64 - 12))) ^ b2; b2 += b1; b1 = ((b1 << 12) | (b1 >> (64 - 12))) ^ b2;
b0 += b1; b1 = ((b1 << 58) | (b1 >> (64 - 58))) ^ b0; b0 += b1; b1 = ((b1 << 58) | (b1 >> (64 - 58))) ^ b0;
b2 += b3; b3 = ((b3 << 22) | (b3 >> (64 - 22))) ^ b2; b2 += b3; b3 = ((b3 << 22) | (b3 >> (64 - 22))) ^ b2;
b0 += b3; b3 = ((b3 << 32) | (b3 >> (64 - 32))) ^ b0; b0 += b3; b3 = ((b3 << 32) | (b3 >> (64 - 32))) ^ b0;
b2 += b1; b1 = ((b1 << 32) | (b1 >> (64 - 32))) ^ b2; b2 += b1; b1 = ((b1 << 32) | (b1 >> (64 - 32))) ^ b2;
b1 += k0 + t2; b0 += b1 + k4; b1 = ((b1 << 14) | (b1 >> (64 - 14))) ^ b0; b1 += k2 + t1; b0 += b1 + k1; b1 = ((b1 << 14) | (b1 >> (64 - 14))) ^ b0;
b3 += k2 + 14; b2 += b3 + k1 + t0; b3 = ((b3 << 16) | (b3 >> (64 - 16))) ^ b2; b3 += k4 + 16; b2 += b3 + k3 + t2; b3 = ((b3 << 16) | (b3 >> (64 - 16))) ^ b2;
b0 += b3; b3 = ((b3 << 52) | (b3 >> (64 - 52))) ^ b0; b0 += b3; b3 = ((b3 << 52) | (b3 >> (64 - 52))) ^ b0;
b2 += b1; b1 = ((b1 << 57) | (b1 >> (64 - 57))) ^ b2; b2 += b1; b1 = ((b1 << 57) | (b1 >> (64 - 57))) ^ b2;
b0 += b1; b1 = ((b1 << 23) | (b1 >> (64 - 23))) ^ b0; b0 += b1; b1 = ((b1 << 23) | (b1 >> (64 - 23))) ^ b0;
b2 += b3; b3 = ((b3 << 40) | (b3 >> (64 - 40))) ^ b2; b2 += b3; b3 = ((b3 << 40) | (b3 >> (64 - 40))) ^ b2;
b0 += b3; b3 = ((b3 << 5) | (b3 >> (64 - 5))) ^ b0; b0 += b3; b3 = ((b3 << 5) | (b3 >> (64 - 5))) ^ b0;
b2 += b1; b1 = ((b1 << 37) | (b1 >> (64 - 37))) ^ b2; b2 += b1; b1 = ((b1 << 37) | (b1 >> (64 - 37))) ^ b2;
b1 += k1 + t0; b0 += b1 + k0; b1 = ((b1 << 25) | (b1 >> (64 - 25))) ^ b0; b1 += k3 + t2; b0 += b1 + k2; b1 = ((b1 << 25) | (b1 >> (64 - 25))) ^ b0;
b3 += k3 + 15; b2 += b3 + k2 + t1; b3 = ((b3 << 33) | (b3 >> (64 - 33))) ^ b2; b3 += k0 + 17; b2 += b3 + k4 + t0; b3 = ((b3 << 33) | (b3 >> (64 - 33))) ^ b2;
b0 += b3; b3 = ((b3 << 46) | (b3 >> (64 - 46))) ^ b0; b0 += b3; b3 = ((b3 << 46) | (b3 >> (64 - 46))) ^ b0;
b2 += b1; b1 = ((b1 << 12) | (b1 >> (64 - 12))) ^ b2; b2 += b1; b1 = ((b1 << 12) | (b1 >> (64 - 12))) ^ b2;
b0 += b1; b1 = ((b1 << 58) | (b1 >> (64 - 58))) ^ b0; b0 += b1; b1 = ((b1 << 58) | (b1 >> (64 - 58))) ^ b0;
b2 += b3; b3 = ((b3 << 22) | (b3 >> (64 - 22))) ^ b2; b2 += b3; b3 = ((b3 << 22) | (b3 >> (64 - 22))) ^ b2;
b0 += b3; b3 = ((b3 << 32) | (b3 >> (64 - 32))) ^ b0; b0 += b3; b3 = ((b3 << 32) | (b3 >> (64 - 32))) ^ b0;
b2 += b1; b1 = ((b1 << 32) | (b1 >> (64 - 32))) ^ b2; b2 += b1; b1 = ((b1 << 32) | (b1 >> (64 - 32))) ^ b2;
b1 += k2 + t1; b0 += b1 + k1; b1 = ((b1 << 14) | (b1 >> (64 - 14))) ^ b0; output[0] = b0 + k3;
b3 += k4 + 16; b2 += b3 + k3 + t2; b3 = ((b3 << 16) | (b3 >> (64 - 16))) ^ b2; output[1] = b1 + k4 + t0;
b0 += b3; b3 = ((b3 << 52) | (b3 >> (64 - 52))) ^ b0; output[2] = b2 + k0 + t1;
b2 += b1; b1 = ((b1 << 57) | (b1 >> (64 - 57))) ^ b2; output[3] = b3 + k1 + 18;
b0 += b1; b1 = ((b1 << 23) | (b1 >> (64 - 23))) ^ b0; }
b2 += b3; b3 = ((b3 << 40) | (b3 >> (64 - 40))) ^ b2;
b0 += b3; b3 = ((b3 << 5) | (b3 >> (64 - 5))) ^ b0;
b2 += b1; b1 = ((b1 << 37) | (b1 >> (64 - 37))) ^ b2;
b1 += k3 + t2; b0 += b1 + k2; b1 = ((b1 << 25) | (b1 >> (64 - 25))) ^ b0;
b3 += k0 + 17; b2 += b3 + k4 + t0; b3 = ((b3 << 33) | (b3 >> (64 - 33))) ^ b2;
b0 += b3; b3 = ((b3 << 46) | (b3 >> (64 - 46))) ^ b0;
b2 += b1; b1 = ((b1 << 12) | (b1 >> (64 - 12))) ^ b2;
b0 += b1; b1 = ((b1 << 58) | (b1 >> (64 - 58))) ^ b0;
b2 += b3; b3 = ((b3 << 22) | (b3 >> (64 - 22))) ^ b2;
b0 += b3; b3 = ((b3 << 32) | (b3 >> (64 - 32))) ^ b0;
b2 += b1; b1 = ((b1 << 32) | (b1 >> (64 - 32))) ^ b2;
output[0] = b0 + k3;
output[1] = b1 + k4 + t0;
output[2] = b2 + k0 + t1;
output[3] = b3 + k1 + 18;
}
void threefishDecrypt256(struct threefish_key *keyCtx, u64 *input, u64 *output) void threefishDecrypt256(struct threefish_key *keyCtx, u64 *input, u64 *output)
{ {
u64 b0 = input[0], b1 = input[1], u64 b0 = input[0], b1 = input[1],
b2 = input[2], b3 = input[3]; b2 = input[2], b3 = input[3];
u64 k0 = keyCtx->key[0], k1 = keyCtx->key[1], u64 k0 = keyCtx->key[0], k1 = keyCtx->key[1],
k2 = keyCtx->key[2], k3 = keyCtx->key[3], k2 = keyCtx->key[2], k3 = keyCtx->key[3],
k4 = keyCtx->key[4]; k4 = keyCtx->key[4];
u64 t0 = keyCtx->tweak[0], t1 = keyCtx->tweak[1], u64 t0 = keyCtx->tweak[0], t1 = keyCtx->tweak[1],
t2 = keyCtx->tweak[2]; t2 = keyCtx->tweak[2];
u64 tmp; u64 tmp;
b0 -= k3; b0 -= k3;
b1 -= k4 + t0; b1 -= k4 + t0;
b2 -= k0 + t1; b2 -= k0 + t1;
b3 -= k1 + 18; b3 -= k1 + 18;
tmp = b3 ^ b0; b3 = (tmp >> 32) | (tmp << (64 - 32)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 32) | (tmp << (64 - 32)); b0 -= b3;
tmp = b1 ^ b2; b1 = (tmp >> 32) | (tmp << (64 - 32)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 32) | (tmp << (64 - 32)); b2 -= b1;
tmp = b1 ^ b0; b1 = (tmp >> 58) | (tmp << (64 - 58)); b0 -= b1; tmp = b1 ^ b0; b1 = (tmp >> 58) | (tmp << (64 - 58)); b0 -= b1;
tmp = b3 ^ b2; b3 = (tmp >> 22) | (tmp << (64 - 22)); b2 -= b3; tmp = b3 ^ b2; b3 = (tmp >> 22) | (tmp << (64 - 22)); b2 -= b3;
tmp = b3 ^ b0; b3 = (tmp >> 46) | (tmp << (64 - 46)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 46) | (tmp << (64 - 46)); b0 -= b3;
tmp = b1 ^ b2; b1 = (tmp >> 12) | (tmp << (64 - 12)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 12) | (tmp << (64 - 12)); b2 -= b1;
tmp = b1 ^ b0; b1 = (tmp >> 25) | (tmp << (64 - 25)); b0 -= b1 + k2; b1 -= k3 + t2; tmp = b1 ^ b0; b1 = (tmp >> 25) | (tmp << (64 - 25)); b0 -= b1 + k2; b1 -= k3 + t2;
tmp = b3 ^ b2; b3 = (tmp >> 33) | (tmp << (64 - 33)); b2 -= b3 + k4 + t0; b3 -= k0 + 17; tmp = b3 ^ b2; b3 = (tmp >> 33) | (tmp << (64 - 33)); b2 -= b3 + k4 + t0; b3 -= k0 + 17;
tmp = b3 ^ b0; b3 = (tmp >> 5) | (tmp << (64 - 5)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 5) | (tmp << (64 - 5)); b0 -= b3;
tmp = b1 ^ b2; b1 = (tmp >> 37) | (tmp << (64 - 37)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 37) | (tmp << (64 - 37)); b2 -= b1;
tmp = b1 ^ b0; b1 = (tmp >> 23) | (tmp << (64 - 23)); b0 -= b1; tmp = b1 ^ b0; b1 = (tmp >> 23) | (tmp << (64 - 23)); b0 -= b1;
tmp = b3 ^ b2; b3 = (tmp >> 40) | (tmp << (64 - 40)); b2 -= b3; tmp = b3 ^ b2; b3 = (tmp >> 40) | (tmp << (64 - 40)); b2 -= b3;
tmp = b3 ^ b0; b3 = (tmp >> 52) | (tmp << (64 - 52)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 52) | (tmp << (64 - 52)); b0 -= b3;
tmp = b1 ^ b2; b1 = (tmp >> 57) | (tmp << (64 - 57)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 57) | (tmp << (64 - 57)); b2 -= b1;
tmp = b1 ^ b0; b1 = (tmp >> 14) | (tmp << (64 - 14)); b0 -= b1 + k1; b1 -= k2 + t1; tmp = b1 ^ b0; b1 = (tmp >> 14) | (tmp << (64 - 14)); b0 -= b1 + k1; b1 -= k2 + t1;
tmp = b3 ^ b2; b3 = (tmp >> 16) | (tmp << (64 - 16)); b2 -= b3 + k3 + t2; b3 -= k4 + 16; tmp = b3 ^ b2; b3 = (tmp >> 16) | (tmp << (64 - 16)); b2 -= b3 + k3 + t2; b3 -= k4 + 16;
tmp = b3 ^ b0; b3 = (tmp >> 32) | (tmp << (64 - 32)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 32) | (tmp << (64 - 32)); b0 -= b3;
tmp = b1 ^ b2; b1 = (tmp >> 32) | (tmp << (64 - 32)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 32) | (tmp << (64 - 32)); b2 -= b1;
tmp = b1 ^ b0; b1 = (tmp >> 58) | (tmp << (64 - 58)); b0 -= b1; tmp = b1 ^ b0; b1 = (tmp >> 58) | (tmp << (64 - 58)); b0 -= b1;
tmp = b3 ^ b2; b3 = (tmp >> 22) | (tmp << (64 - 22)); b2 -= b3; tmp = b3 ^ b2; b3 = (tmp >> 22) | (tmp << (64 - 22)); b2 -= b3;
tmp = b3 ^ b0; b3 = (tmp >> 46) | (tmp << (64 - 46)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 46) | (tmp << (64 - 46)); b0 -= b3;
tmp = b1 ^ b2; b1 = (tmp >> 12) | (tmp << (64 - 12)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 12) | (tmp << (64 - 12)); b2 -= b1;
tmp = b1 ^ b0; b1 = (tmp >> 25) | (tmp << (64 - 25)); b0 -= b1 + k0; b1 -= k1 + t0; tmp = b1 ^ b0; b1 = (tmp >> 25) | (tmp << (64 - 25)); b0 -= b1 + k0; b1 -= k1 + t0;
tmp = b3 ^ b2; b3 = (tmp >> 33) | (tmp << (64 - 33)); b2 -= b3 + k2 + t1; b3 -= k3 + 15; tmp = b3 ^ b2; b3 = (tmp >> 33) | (tmp << (64 - 33)); b2 -= b3 + k2 + t1; b3 -= k3 + 15;
tmp = b3 ^ b0; b3 = (tmp >> 5) | (tmp << (64 - 5)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 5) | (tmp << (64 - 5)); b0 -= b3;
tmp = b1 ^ b2; b1 = (tmp >> 37) | (tmp << (64 - 37)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 37) | (tmp << (64 - 37)); b2 -= b1;
tmp = b1 ^ b0; b1 = (tmp >> 23) | (tmp << (64 - 23)); b0 -= b1; tmp = b1 ^ b0; b1 = (tmp >> 23) | (tmp << (64 - 23)); b0 -= b1;
tmp = b3 ^ b2; b3 = (tmp >> 40) | (tmp << (64 - 40)); b2 -= b3; tmp = b3 ^ b2; b3 = (tmp >> 40) | (tmp << (64 - 40)); b2 -= b3;
tmp = b3 ^ b0; b3 = (tmp >> 52) | (tmp << (64 - 52)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 52) | (tmp << (64 - 52)); b0 -= b3;
tmp = b1 ^ b2; b1 = (tmp >> 57) | (tmp << (64 - 57)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 57) | (tmp << (64 - 57)); b2 -= b1;
tmp = b1 ^ b0; b1 = (tmp >> 14) | (tmp << (64 - 14)); b0 -= b1 + k4; b1 -= k0 + t2; tmp = b1 ^ b0; b1 = (tmp >> 14) | (tmp << (64 - 14)); b0 -= b1 + k4; b1 -= k0 + t2;
tmp = b3 ^ b2; b3 = (tmp >> 16) | (tmp << (64 - 16)); b2 -= b3 + k1 + t0; b3 -= k2 + 14; tmp = b3 ^ b2; b3 = (tmp >> 16) | (tmp << (64 - 16)); b2 -= b3 + k1 + t0; b3 -= k2 + 14;
tmp = b3 ^ b0; b3 = (tmp >> 32) | (tmp << (64 - 32)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 32) | (tmp << (64 - 32)); b0 -= b3;
tmp = b1 ^ b2; b1 = (tmp >> 32) | (tmp << (64 - 32)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 32) | (tmp << (64 - 32)); b2 -= b1;
tmp = b1 ^ b0; b1 = (tmp >> 58) | (tmp << (64 - 58)); b0 -= b1; tmp = b1 ^ b0; b1 = (tmp >> 58) | (tmp << (64 - 58)); b0 -= b1;
tmp = b3 ^ b2; b3 = (tmp >> 22) | (tmp << (64 - 22)); b2 -= b3; tmp = b3 ^ b2; b3 = (tmp >> 22) | (tmp << (64 - 22)); b2 -= b3;
tmp = b3 ^ b0; b3 = (tmp >> 46) | (tmp << (64 - 46)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 46) | (tmp << (64 - 46)); b0 -= b3;
tmp = b1 ^ b2; b1 = (tmp >> 12) | (tmp << (64 - 12)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 12) | (tmp << (64 - 12)); b2 -= b1;
tmp = b1 ^ b0; b1 = (tmp >> 25) | (tmp << (64 - 25)); b0 -= b1 + k3; b1 -= k4 + t1; tmp = b1 ^ b0; b1 = (tmp >> 25) | (tmp << (64 - 25)); b0 -= b1 + k3; b1 -= k4 + t1;
tmp = b3 ^ b2; b3 = (tmp >> 33) | (tmp << (64 - 33)); b2 -= b3 + k0 + t2; b3 -= k1 + 13; tmp = b3 ^ b2; b3 = (tmp >> 33) | (tmp << (64 - 33)); b2 -= b3 + k0 + t2; b3 -= k1 + 13;
tmp = b3 ^ b0; b3 = (tmp >> 5) | (tmp << (64 - 5)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 5) | (tmp << (64 - 5)); b0 -= b3;
tmp = b1 ^ b2; b1 = (tmp >> 37) | (tmp << (64 - 37)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 37) | (tmp << (64 - 37)); b2 -= b1;
tmp = b1 ^ b0; b1 = (tmp >> 23) | (tmp << (64 - 23)); b0 -= b1; tmp = b1 ^ b0; b1 = (tmp >> 23) | (tmp << (64 - 23)); b0 -= b1;
tmp = b3 ^ b2; b3 = (tmp >> 40) | (tmp << (64 - 40)); b2 -= b3; tmp = b3 ^ b2; b3 = (tmp >> 40) | (tmp << (64 - 40)); b2 -= b3;
tmp = b3 ^ b0; b3 = (tmp >> 52) | (tmp << (64 - 52)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 52) | (tmp << (64 - 52)); b0 -= b3;
tmp = b1 ^ b2; b1 = (tmp >> 57) | (tmp << (64 - 57)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 57) | (tmp << (64 - 57)); b2 -= b1;
tmp = b1 ^ b0; b1 = (tmp >> 14) | (tmp << (64 - 14)); b0 -= b1 + k2; b1 -= k3 + t0; tmp = b1 ^ b0; b1 = (tmp >> 14) | (tmp << (64 - 14)); b0 -= b1 + k2; b1 -= k3 + t0;
tmp = b3 ^ b2; b3 = (tmp >> 16) | (tmp << (64 - 16)); b2 -= b3 + k4 + t1; b3 -= k0 + 12; tmp = b3 ^ b2; b3 = (tmp >> 16) | (tmp << (64 - 16)); b2 -= b3 + k4 + t1; b3 -= k0 + 12;
tmp = b3 ^ b0; b3 = (tmp >> 32) | (tmp << (64 - 32)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 32) | (tmp << (64 - 32)); b0 -= b3;
tmp = b1 ^ b2; b1 = (tmp >> 32) | (tmp << (64 - 32)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 32) | (tmp << (64 - 32)); b2 -= b1;
tmp = b1 ^ b0; b1 = (tmp >> 58) | (tmp << (64 - 58)); b0 -= b1; tmp = b1 ^ b0; b1 = (tmp >> 58) | (tmp << (64 - 58)); b0 -= b1;
tmp = b3 ^ b2; b3 = (tmp >> 22) | (tmp << (64 - 22)); b2 -= b3; tmp = b3 ^ b2; b3 = (tmp >> 22) | (tmp << (64 - 22)); b2 -= b3;
tmp = b3 ^ b0; b3 = (tmp >> 46) | (tmp << (64 - 46)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 46) | (tmp << (64 - 46)); b0 -= b3;
tmp = b1 ^ b2; b1 = (tmp >> 12) | (tmp << (64 - 12)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 12) | (tmp << (64 - 12)); b2 -= b1;
tmp = b1 ^ b0; b1 = (tmp >> 25) | (tmp << (64 - 25)); b0 -= b1 + k1; b1 -= k2 + t2; tmp = b1 ^ b0; b1 = (tmp >> 25) | (tmp << (64 - 25)); b0 -= b1 + k1; b1 -= k2 + t2;
tmp = b3 ^ b2; b3 = (tmp >> 33) | (tmp << (64 - 33)); b2 -= b3 + k3 + t0; b3 -= k4 + 11; tmp = b3 ^ b2; b3 = (tmp >> 33) | (tmp << (64 - 33)); b2 -= b3 + k3 + t0; b3 -= k4 + 11;
tmp = b3 ^ b0; b3 = (tmp >> 5) | (tmp << (64 - 5)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 5) | (tmp << (64 - 5)); b0 -= b3;
tmp = b1 ^ b2; b1 = (tmp >> 37) | (tmp << (64 - 37)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 37) | (tmp << (64 - 37)); b2 -= b1;
tmp = b1 ^ b0; b1 = (tmp >> 23) | (tmp << (64 - 23)); b0 -= b1; tmp = b1 ^ b0; b1 = (tmp >> 23) | (tmp << (64 - 23)); b0 -= b1;
tmp = b3 ^ b2; b3 = (tmp >> 40) | (tmp << (64 - 40)); b2 -= b3; tmp = b3 ^ b2; b3 = (tmp >> 40) | (tmp << (64 - 40)); b2 -= b3;
tmp = b3 ^ b0; b3 = (tmp >> 52) | (tmp << (64 - 52)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 52) | (tmp << (64 - 52)); b0 -= b3;
tmp = b1 ^ b2; b1 = (tmp >> 57) | (tmp << (64 - 57)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 57) | (tmp << (64 - 57)); b2 -= b1;
tmp = b1 ^ b0; b1 = (tmp >> 14) | (tmp << (64 - 14)); b0 -= b1 + k0; b1 -= k1 + t1; tmp = b1 ^ b0; b1 = (tmp >> 14) | (tmp << (64 - 14)); b0 -= b1 + k0; b1 -= k1 + t1;
tmp = b3 ^ b2; b3 = (tmp >> 16) | (tmp << (64 - 16)); b2 -= b3 + k2 + t2; b3 -= k3 + 10; tmp = b3 ^ b2; b3 = (tmp >> 16) | (tmp << (64 - 16)); b2 -= b3 + k2 + t2; b3 -= k3 + 10;
tmp = b3 ^ b0; b3 = (tmp >> 32) | (tmp << (64 - 32)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 32) | (tmp << (64 - 32)); b0 -= b3;
tmp = b1 ^ b2; b1 = (tmp >> 32) | (tmp << (64 - 32)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 32) | (tmp << (64 - 32)); b2 -= b1;
tmp = b1 ^ b0; b1 = (tmp >> 58) | (tmp << (64 - 58)); b0 -= b1; tmp = b1 ^ b0; b1 = (tmp >> 58) | (tmp << (64 - 58)); b0 -= b1;
tmp = b3 ^ b2; b3 = (tmp >> 22) | (tmp << (64 - 22)); b2 -= b3; tmp = b3 ^ b2; b3 = (tmp >> 22) | (tmp << (64 - 22)); b2 -= b3;
tmp = b3 ^ b0; b3 = (tmp >> 46) | (tmp << (64 - 46)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 46) | (tmp << (64 - 46)); b0 -= b3;
tmp = b1 ^ b2; b1 = (tmp >> 12) | (tmp << (64 - 12)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 12) | (tmp << (64 - 12)); b2 -= b1;
tmp = b1 ^ b0; b1 = (tmp >> 25) | (tmp << (64 - 25)); b0 -= b1 + k4; b1 -= k0 + t0; tmp = b1 ^ b0; b1 = (tmp >> 25) | (tmp << (64 - 25)); b0 -= b1 + k4; b1 -= k0 + t0;
tmp = b3 ^ b2; b3 = (tmp >> 33) | (tmp << (64 - 33)); b2 -= b3 + k1 + t1; b3 -= k2 + 9; tmp = b3 ^ b2; b3 = (tmp >> 33) | (tmp << (64 - 33)); b2 -= b3 + k1 + t1; b3 -= k2 + 9;
tmp = b3 ^ b0; b3 = (tmp >> 5) | (tmp << (64 - 5)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 5) | (tmp << (64 - 5)); b0 -= b3;
tmp = b1 ^ b2; b1 = (tmp >> 37) | (tmp << (64 - 37)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 37) | (tmp << (64 - 37)); b2 -= b1;
tmp = b1 ^ b0; b1 = (tmp >> 23) | (tmp << (64 - 23)); b0 -= b1; tmp = b1 ^ b0; b1 = (tmp >> 23) | (tmp << (64 - 23)); b0 -= b1;
tmp = b3 ^ b2; b3 = (tmp >> 40) | (tmp << (64 - 40)); b2 -= b3; tmp = b3 ^ b2; b3 = (tmp >> 40) | (tmp << (64 - 40)); b2 -= b3;
tmp = b3 ^ b0; b3 = (tmp >> 52) | (tmp << (64 - 52)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 52) | (tmp << (64 - 52)); b0 -= b3;
tmp = b1 ^ b2; b1 = (tmp >> 57) | (tmp << (64 - 57)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 57) | (tmp << (64 - 57)); b2 -= b1;
tmp = b1 ^ b0; b1 = (tmp >> 14) | (tmp << (64 - 14)); b0 -= b1 + k3; b1 -= k4 + t2; tmp = b1 ^ b0; b1 = (tmp >> 14) | (tmp << (64 - 14)); b0 -= b1 + k3; b1 -= k4 + t2;
tmp = b3 ^ b2; b3 = (tmp >> 16) | (tmp << (64 - 16)); b2 -= b3 + k0 + t0; b3 -= k1 + 8; tmp = b3 ^ b2; b3 = (tmp >> 16) | (tmp << (64 - 16)); b2 -= b3 + k0 + t0; b3 -= k1 + 8;
tmp = b3 ^ b0; b3 = (tmp >> 32) | (tmp << (64 - 32)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 32) | (tmp << (64 - 32)); b0 -= b3;
tmp = b1 ^ b2; b1 = (tmp >> 32) | (tmp << (64 - 32)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 32) | (tmp << (64 - 32)); b2 -= b1;
tmp = b1 ^ b0; b1 = (tmp >> 58) | (tmp << (64 - 58)); b0 -= b1; tmp = b1 ^ b0; b1 = (tmp >> 58) | (tmp << (64 - 58)); b0 -= b1;
tmp = b3 ^ b2; b3 = (tmp >> 22) | (tmp << (64 - 22)); b2 -= b3; tmp = b3 ^ b2; b3 = (tmp >> 22) | (tmp << (64 - 22)); b2 -= b3;
tmp = b3 ^ b0; b3 = (tmp >> 46) | (tmp << (64 - 46)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 46) | (tmp << (64 - 46)); b0 -= b3;
tmp = b1 ^ b2; b1 = (tmp >> 12) | (tmp << (64 - 12)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 12) | (tmp << (64 - 12)); b2 -= b1;
tmp = b1 ^ b0; b1 = (tmp >> 25) | (tmp << (64 - 25)); b0 -= b1 + k2; b1 -= k3 + t1; tmp = b1 ^ b0; b1 = (tmp >> 25) | (tmp << (64 - 25)); b0 -= b1 + k2; b1 -= k3 + t1;
tmp = b3 ^ b2; b3 = (tmp >> 33) | (tmp << (64 - 33)); b2 -= b3 + k4 + t2; b3 -= k0 + 7; tmp = b3 ^ b2; b3 = (tmp >> 33) | (tmp << (64 - 33)); b2 -= b3 + k4 + t2; b3 -= k0 + 7;
tmp = b3 ^ b0; b3 = (tmp >> 5) | (tmp << (64 - 5)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 5) | (tmp << (64 - 5)); b0 -= b3;
tmp = b1 ^ b2; b1 = (tmp >> 37) | (tmp << (64 - 37)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 37) | (tmp << (64 - 37)); b2 -= b1;
tmp = b1 ^ b0; b1 = (tmp >> 23) | (tmp << (64 - 23)); b0 -= b1; tmp = b1 ^ b0; b1 = (tmp >> 23) | (tmp << (64 - 23)); b0 -= b1;
tmp = b3 ^ b2; b3 = (tmp >> 40) | (tmp << (64 - 40)); b2 -= b3; tmp = b3 ^ b2; b3 = (tmp >> 40) | (tmp << (64 - 40)); b2 -= b3;
tmp = b3 ^ b0; b3 = (tmp >> 52) | (tmp << (64 - 52)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 52) | (tmp << (64 - 52)); b0 -= b3;
tmp = b1 ^ b2; b1 = (tmp >> 57) | (tmp << (64 - 57)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 57) | (tmp << (64 - 57)); b2 -= b1;
tmp = b1 ^ b0; b1 = (tmp >> 14) | (tmp << (64 - 14)); b0 -= b1 + k1; b1 -= k2 + t0; tmp = b1 ^ b0; b1 = (tmp >> 14) | (tmp << (64 - 14)); b0 -= b1 + k1; b1 -= k2 + t0;
tmp = b3 ^ b2; b3 = (tmp >> 16) | (tmp << (64 - 16)); b2 -= b3 + k3 + t1; b3 -= k4 + 6; tmp = b3 ^ b2; b3 = (tmp >> 16) | (tmp << (64 - 16)); b2 -= b3 + k3 + t1; b3 -= k4 + 6;
tmp = b3 ^ b0; b3 = (tmp >> 32) | (tmp << (64 - 32)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 32) | (tmp << (64 - 32)); b0 -= b3;
tmp = b1 ^ b2; b1 = (tmp >> 32) | (tmp << (64 - 32)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 32) | (tmp << (64 - 32)); b2 -= b1;
tmp = b1 ^ b0; b1 = (tmp >> 58) | (tmp << (64 - 58)); b0 -= b1; tmp = b1 ^ b0; b1 = (tmp >> 58) | (tmp << (64 - 58)); b0 -= b1;
tmp = b3 ^ b2; b3 = (tmp >> 22) | (tmp << (64 - 22)); b2 -= b3; tmp = b3 ^ b2; b3 = (tmp >> 22) | (tmp << (64 - 22)); b2 -= b3;
tmp = b3 ^ b0; b3 = (tmp >> 46) | (tmp << (64 - 46)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 46) | (tmp << (64 - 46)); b0 -= b3;
tmp = b1 ^ b2; b1 = (tmp >> 12) | (tmp << (64 - 12)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 12) | (tmp << (64 - 12)); b2 -= b1;
tmp = b1 ^ b0; b1 = (tmp >> 25) | (tmp << (64 - 25)); b0 -= b1 + k0; b1 -= k1 + t2; tmp = b1 ^ b0; b1 = (tmp >> 25) | (tmp << (64 - 25)); b0 -= b1 + k0; b1 -= k1 + t2;
tmp = b3 ^ b2; b3 = (tmp >> 33) | (tmp << (64 - 33)); b2 -= b3 + k2 + t0; b3 -= k3 + 5; tmp = b3 ^ b2; b3 = (tmp >> 33) | (tmp << (64 - 33)); b2 -= b3 + k2 + t0; b3 -= k3 + 5;
tmp = b3 ^ b0; b3 = (tmp >> 5) | (tmp << (64 - 5)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 5) | (tmp << (64 - 5)); b0 -= b3;
tmp = b1 ^ b2; b1 = (tmp >> 37) | (tmp << (64 - 37)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 37) | (tmp << (64 - 37)); b2 -= b1;
tmp = b1 ^ b0; b1 = (tmp >> 23) | (tmp << (64 - 23)); b0 -= b1; tmp = b1 ^ b0; b1 = (tmp >> 23) | (tmp << (64 - 23)); b0 -= b1;
tmp = b3 ^ b2; b3 = (tmp >> 40) | (tmp << (64 - 40)); b2 -= b3; tmp = b3 ^ b2; b3 = (tmp >> 40) | (tmp << (64 - 40)); b2 -= b3;
tmp = b3 ^ b0; b3 = (tmp >> 52) | (tmp << (64 - 52)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 52) | (tmp << (64 - 52)); b0 -= b3;
tmp = b1 ^ b2; b1 = (tmp >> 57) | (tmp << (64 - 57)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 57) | (tmp << (64 - 57)); b2 -= b1;
tmp = b1 ^ b0; b1 = (tmp >> 14) | (tmp << (64 - 14)); b0 -= b1 + k4; b1 -= k0 + t1; tmp = b1 ^ b0; b1 = (tmp >> 14) | (tmp << (64 - 14)); b0 -= b1 + k4; b1 -= k0 + t1;
tmp = b3 ^ b2; b3 = (tmp >> 16) | (tmp << (64 - 16)); b2 -= b3 + k1 + t2; b3 -= k2 + 4; tmp = b3 ^ b2; b3 = (tmp >> 16) | (tmp << (64 - 16)); b2 -= b3 + k1 + t2; b3 -= k2 + 4;
tmp = b3 ^ b0; b3 = (tmp >> 32) | (tmp << (64 - 32)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 32) | (tmp << (64 - 32)); b0 -= b3;
tmp = b1 ^ b2; b1 = (tmp >> 32) | (tmp << (64 - 32)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 32) | (tmp << (64 - 32)); b2 -= b1;
tmp = b1 ^ b0; b1 = (tmp >> 58) | (tmp << (64 - 58)); b0 -= b1; tmp = b1 ^ b0; b1 = (tmp >> 58) | (tmp << (64 - 58)); b0 -= b1;
tmp = b3 ^ b2; b3 = (tmp >> 22) | (tmp << (64 - 22)); b2 -= b3; tmp = b3 ^ b2; b3 = (tmp >> 22) | (tmp << (64 - 22)); b2 -= b3;
tmp = b3 ^ b0; b3 = (tmp >> 46) | (tmp << (64 - 46)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 46) | (tmp << (64 - 46)); b0 -= b3;
tmp = b1 ^ b2; b1 = (tmp >> 12) | (tmp << (64 - 12)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 12) | (tmp << (64 - 12)); b2 -= b1;
tmp = b1 ^ b0; b1 = (tmp >> 25) | (tmp << (64 - 25)); b0 -= b1 + k3; b1 -= k4 + t0; tmp = b1 ^ b0; b1 = (tmp >> 25) | (tmp << (64 - 25)); b0 -= b1 + k3; b1 -= k4 + t0;
tmp = b3 ^ b2; b3 = (tmp >> 33) | (tmp << (64 - 33)); b2 -= b3 + k0 + t1; b3 -= k1 + 3; tmp = b3 ^ b2; b3 = (tmp >> 33) | (tmp << (64 - 33)); b2 -= b3 + k0 + t1; b3 -= k1 + 3;
tmp = b3 ^ b0; b3 = (tmp >> 5) | (tmp << (64 - 5)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 5) | (tmp << (64 - 5)); b0 -= b3;
tmp = b1 ^ b2; b1 = (tmp >> 37) | (tmp << (64 - 37)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 37) | (tmp << (64 - 37)); b2 -= b1;
tmp = b1 ^ b0; b1 = (tmp >> 23) | (tmp << (64 - 23)); b0 -= b1; tmp = b1 ^ b0; b1 = (tmp >> 23) | (tmp << (64 - 23)); b0 -= b1;
tmp = b3 ^ b2; b3 = (tmp >> 40) | (tmp << (64 - 40)); b2 -= b3; tmp = b3 ^ b2; b3 = (tmp >> 40) | (tmp << (64 - 40)); b2 -= b3;
tmp = b3 ^ b0; b3 = (tmp >> 52) | (tmp << (64 - 52)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 52) | (tmp << (64 - 52)); b0 -= b3;
tmp = b1 ^ b2; b1 = (tmp >> 57) | (tmp << (64 - 57)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 57) | (tmp << (64 - 57)); b2 -= b1;
tmp = b1 ^ b0; b1 = (tmp >> 14) | (tmp << (64 - 14)); b0 -= b1 + k2; b1 -= k3 + t2; tmp = b1 ^ b0; b1 = (tmp >> 14) | (tmp << (64 - 14)); b0 -= b1 + k2; b1 -= k3 + t2;
tmp = b3 ^ b2; b3 = (tmp >> 16) | (tmp << (64 - 16)); b2 -= b3 + k4 + t0; b3 -= k0 + 2; tmp = b3 ^ b2; b3 = (tmp >> 16) | (tmp << (64 - 16)); b2 -= b3 + k4 + t0; b3 -= k0 + 2;
tmp = b3 ^ b0; b3 = (tmp >> 32) | (tmp << (64 - 32)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 32) | (tmp << (64 - 32)); b0 -= b3;
tmp = b1 ^ b2; b1 = (tmp >> 32) | (tmp << (64 - 32)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 32) | (tmp << (64 - 32)); b2 -= b1;
tmp = b1 ^ b0; b1 = (tmp >> 58) | (tmp << (64 - 58)); b0 -= b1; tmp = b1 ^ b0; b1 = (tmp >> 58) | (tmp << (64 - 58)); b0 -= b1;
tmp = b3 ^ b2; b3 = (tmp >> 22) | (tmp << (64 - 22)); b2 -= b3; tmp = b3 ^ b2; b3 = (tmp >> 22) | (tmp << (64 - 22)); b2 -= b3;
tmp = b3 ^ b0; b3 = (tmp >> 46) | (tmp << (64 - 46)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 46) | (tmp << (64 - 46)); b0 -= b3;
tmp = b1 ^ b2; b1 = (tmp >> 12) | (tmp << (64 - 12)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 12) | (tmp << (64 - 12)); b2 -= b1;
tmp = b1 ^ b0; b1 = (tmp >> 25) | (tmp << (64 - 25)); b0 -= b1 + k1; b1 -= k2 + t1; tmp = b1 ^ b0; b1 = (tmp >> 25) | (tmp << (64 - 25)); b0 -= b1 + k1; b1 -= k2 + t1;
tmp = b3 ^ b2; b3 = (tmp >> 33) | (tmp << (64 - 33)); b2 -= b3 + k3 + t2; b3 -= k4 + 1; tmp = b3 ^ b2; b3 = (tmp >> 33) | (tmp << (64 - 33)); b2 -= b3 + k3 + t2; b3 -= k4 + 1;
tmp = b3 ^ b0; b3 = (tmp >> 5) | (tmp << (64 - 5)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 5) | (tmp << (64 - 5)); b0 -= b3;
tmp = b1 ^ b2; b1 = (tmp >> 37) | (tmp << (64 - 37)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 37) | (tmp << (64 - 37)); b2 -= b1;
tmp = b1 ^ b0; b1 = (tmp >> 23) | (tmp << (64 - 23)); b0 -= b1; tmp = b1 ^ b0; b1 = (tmp >> 23) | (tmp << (64 - 23)); b0 -= b1;
tmp = b3 ^ b2; b3 = (tmp >> 40) | (tmp << (64 - 40)); b2 -= b3; tmp = b3 ^ b2; b3 = (tmp >> 40) | (tmp << (64 - 40)); b2 -= b3;
tmp = b3 ^ b0; b3 = (tmp >> 52) | (tmp << (64 - 52)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 52) | (tmp << (64 - 52)); b0 -= b3;
tmp = b1 ^ b2; b1 = (tmp >> 57) | (tmp << (64 - 57)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 57) | (tmp << (64 - 57)); b2 -= b1;
tmp = b1 ^ b0; b1 = (tmp >> 14) | (tmp << (64 - 14)); b0 -= b1 + k0; b1 -= k1 + t0; tmp = b1 ^ b0; b1 = (tmp >> 14) | (tmp << (64 - 14)); b0 -= b1 + k0; b1 -= k1 + t0;
tmp = b3 ^ b2; b3 = (tmp >> 16) | (tmp << (64 - 16)); b2 -= b3 + k2 + t1; b3 -= k3; tmp = b3 ^ b2; b3 = (tmp >> 16) | (tmp << (64 - 16)); b2 -= b3 + k2 + t1; b3 -= k3;
output[0] = b0; output[0] = b0;
output[1] = b1; output[1] = b1;
output[2] = b2; output[2] = b2;
output[3] = b3; output[3] = b3;
} }
drivers/staging/skein/threefish512Block.c
View file @ 39bd42b0
...@@ -3,640 +3,638 @@ ...@@ -3,640 +3,638 @@
void threefishEncrypt512(struct threefish_key *keyCtx, u64 *input, u64 *output) void threefishEncrypt512(struct threefish_key *keyCtx, u64 *input, u64 *output)
{ {
u64 b0 = input[0], b1 = input[1],
b2 = input[2], b3 = input[3],
b4 = input[4], b5 = input[5],
b6 = input[6], b7 = input[7];
u64 k0 = keyCtx->key[0], k1 = keyCtx->key[1],
k2 = keyCtx->key[2], k3 = keyCtx->key[3],
k4 = keyCtx->key[4], k5 = keyCtx->key[5],
k6 = keyCtx->key[6], k7 = keyCtx->key[7],
k8 = keyCtx->key[8];
u64 t0 = keyCtx->tweak[0], t1 = keyCtx->tweak[1],
t2 = keyCtx->tweak[2];
u64 b0 = input[0], b1 = input[1], b1 += k1; b0 += b1 + k0; b1 = ((b1 << 46) | (b1 >> (64 - 46))) ^ b0;
b2 = input[2], b3 = input[3], b3 += k3; b2 += b3 + k2; b3 = ((b3 << 36) | (b3 >> (64 - 36))) ^ b2;
b4 = input[4], b5 = input[5], b5 += k5 + t0; b4 += b5 + k4; b5 = ((b5 << 19) | (b5 >> (64 - 19))) ^ b4;
b6 = input[6], b7 = input[7]; b7 += k7; b6 += b7 + k6 + t1; b7 = ((b7 << 37) | (b7 >> (64 - 37))) ^ b6;
u64 k0 = keyCtx->key[0], k1 = keyCtx->key[1], b2 += b1; b1 = ((b1 << 33) | (b1 >> (64 - 33))) ^ b2;
k2 = keyCtx->key[2], k3 = keyCtx->key[3], b4 += b7; b7 = ((b7 << 27) | (b7 >> (64 - 27))) ^ b4;
k4 = keyCtx->key[4], k5 = keyCtx->key[5], b6 += b5; b5 = ((b5 << 14) | (b5 >> (64 - 14))) ^ b6;
k6 = keyCtx->key[6], k7 = keyCtx->key[7], b0 += b3; b3 = ((b3 << 42) | (b3 >> (64 - 42))) ^ b0;
k8 = keyCtx->key[8]; b4 += b1; b1 = ((b1 << 17) | (b1 >> (64 - 17))) ^ b4;
u64 t0 = keyCtx->tweak[0], t1 = keyCtx->tweak[1], b6 += b3; b3 = ((b3 << 49) | (b3 >> (64 - 49))) ^ b6;
t2 = keyCtx->tweak[2]; b0 += b5; b5 = ((b5 << 36) | (b5 >> (64 - 36))) ^ b0;
b2 += b7; b7 = ((b7 << 39) | (b7 >> (64 - 39))) ^ b2;
b6 += b1; b1 = ((b1 << 44) | (b1 >> (64 - 44))) ^ b6;
b0 += b7; b7 = ((b7 << 9) | (b7 >> (64 - 9))) ^ b0;
b2 += b5; b5 = ((b5 << 54) | (b5 >> (64 - 54))) ^ b2;
b4 += b3; b3 = ((b3 << 56) | (b3 >> (64 - 56))) ^ b4;
b1 += k2; b0 += b1 + k1; b1 = ((b1 << 39) | (b1 >> (64 - 39))) ^ b0;
b3 += k4; b2 += b3 + k3; b3 = ((b3 << 30) | (b3 >> (64 - 30))) ^ b2;
b5 += k6 + t1; b4 += b5 + k5; b5 = ((b5 << 34) | (b5 >> (64 - 34))) ^ b4;
b7 += k8 + 1; b6 += b7 + k7 + t2; b7 = ((b7 << 24) | (b7 >> (64 - 24))) ^ b6;
b2 += b1; b1 = ((b1 << 13) | (b1 >> (64 - 13))) ^ b2;
b4 += b7; b7 = ((b7 << 50) | (b7 >> (64 - 50))) ^ b4;
b6 += b5; b5 = ((b5 << 10) | (b5 >> (64 - 10))) ^ b6;
b0 += b3; b3 = ((b3 << 17) | (b3 >> (64 - 17))) ^ b0;
b4 += b1; b1 = ((b1 << 25) | (b1 >> (64 - 25))) ^ b4;
b6 += b3; b3 = ((b3 << 29) | (b3 >> (64 - 29))) ^ b6;
b0 += b5; b5 = ((b5 << 39) | (b5 >> (64 - 39))) ^ b0;
b2 += b7; b7 = ((b7 << 43) | (b7 >> (64 - 43))) ^ b2;
b6 += b1; b1 = ((b1 << 8) | (b1 >> (64 - 8))) ^ b6;
b0 += b7; b7 = ((b7 << 35) | (b7 >> (64 - 35))) ^ b0;
b2 += b5; b5 = ((b5 << 56) | (b5 >> (64 - 56))) ^ b2;
b4 += b3; b3 = ((b3 << 22) | (b3 >> (64 - 22))) ^ b4;
b1 += k3; b0 += b1 + k2; b1 = ((b1 << 46) | (b1 >> (64 - 46))) ^ b0;
b3 += k5; b2 += b3 + k4; b3 = ((b3 << 36) | (b3 >> (64 - 36))) ^ b2;
b5 += k7 + t2; b4 += b5 + k6; b5 = ((b5 << 19) | (b5 >> (64 - 19))) ^ b4;
b7 += k0 + 2; b6 += b7 + k8 + t0; b7 = ((b7 << 37) | (b7 >> (64 - 37))) ^ b6;
b2 += b1; b1 = ((b1 << 33) | (b1 >> (64 - 33))) ^ b2;
b4 += b7; b7 = ((b7 << 27) | (b7 >> (64 - 27))) ^ b4;
b6 += b5; b5 = ((b5 << 14) | (b5 >> (64 - 14))) ^ b6;
b0 += b3; b3 = ((b3 << 42) | (b3 >> (64 - 42))) ^ b0;
b4 += b1; b1 = ((b1 << 17) | (b1 >> (64 - 17))) ^ b4;
b6 += b3; b3 = ((b3 << 49) | (b3 >> (64 - 49))) ^ b6;
b0 += b5; b5 = ((b5 << 36) | (b5 >> (64 - 36))) ^ b0;
b2 += b7; b7 = ((b7 << 39) | (b7 >> (64 - 39))) ^ b2;
b6 += b1; b1 = ((b1 << 44) | (b1 >> (64 - 44))) ^ b6;
b0 += b7; b7 = ((b7 << 9) | (b7 >> (64 - 9))) ^ b0;
b2 += b5; b5 = ((b5 << 54) | (b5 >> (64 - 54))) ^ b2;
b4 += b3; b3 = ((b3 << 56) | (b3 >> (64 - 56))) ^ b4;
b1 += k4; b0 += b1 + k3; b1 = ((b1 << 39) | (b1 >> (64 - 39))) ^ b0;
b3 += k6; b2 += b3 + k5; b3 = ((b3 << 30) | (b3 >> (64 - 30))) ^ b2;
b5 += k8 + t0; b4 += b5 + k7; b5 = ((b5 << 34) | (b5 >> (64 - 34))) ^ b4;
b7 += k1 + 3; b6 += b7 + k0 + t1; b7 = ((b7 << 24) | (b7 >> (64 - 24))) ^ b6;
b2 += b1; b1 = ((b1 << 13) | (b1 >> (64 - 13))) ^ b2;
b4 += b7; b7 = ((b7 << 50) | (b7 >> (64 - 50))) ^ b4;
b6 += b5; b5 = ((b5 << 10) | (b5 >> (64 - 10))) ^ b6;
b0 += b3; b3 = ((b3 << 17) | (b3 >> (64 - 17))) ^ b0;
b4 += b1; b1 = ((b1 << 25) | (b1 >> (64 - 25))) ^ b4;
b6 += b3; b3 = ((b3 << 29) | (b3 >> (64 - 29))) ^ b6;
b0 += b5; b5 = ((b5 << 39) | (b5 >> (64 - 39))) ^ b0;
b2 += b7; b7 = ((b7 << 43) | (b7 >> (64 - 43))) ^ b2;
b6 += b1; b1 = ((b1 << 8) | (b1 >> (64 - 8))) ^ b6;
b0 += b7; b7 = ((b7 << 35) | (b7 >> (64 - 35))) ^ b0;
b2 += b5; b5 = ((b5 << 56) | (b5 >> (64 - 56))) ^ b2;
b4 += b3; b3 = ((b3 << 22) | (b3 >> (64 - 22))) ^ b4;
b1 += k5; b0 += b1 + k4; b1 = ((b1 << 46) | (b1 >> (64 - 46))) ^ b0;
b3 += k7; b2 += b3 + k6; b3 = ((b3 << 36) | (b3 >> (64 - 36))) ^ b2;
b5 += k0 + t1; b4 += b5 + k8; b5 = ((b5 << 19) | (b5 >> (64 - 19))) ^ b4;
b7 += k2 + 4; b6 += b7 + k1 + t2; b7 = ((b7 << 37) | (b7 >> (64 - 37))) ^ b6;
b2 += b1; b1 = ((b1 << 33) | (b1 >> (64 - 33))) ^ b2;
b4 += b7; b7 = ((b7 << 27) | (b7 >> (64 - 27))) ^ b4;
b6 += b5; b5 = ((b5 << 14) | (b5 >> (64 - 14))) ^ b6;
b0 += b3; b3 = ((b3 << 42) | (b3 >> (64 - 42))) ^ b0;
b4 += b1; b1 = ((b1 << 17) | (b1 >> (64 - 17))) ^ b4;
b6 += b3; b3 = ((b3 << 49) | (b3 >> (64 - 49))) ^ b6;
b0 += b5; b5 = ((b5 << 36) | (b5 >> (64 - 36))) ^ b0;
b2 += b7; b7 = ((b7 << 39) | (b7 >> (64 - 39))) ^ b2;
b6 += b1; b1 = ((b1 << 44) | (b1 >> (64 - 44))) ^ b6;
b0 += b7; b7 = ((b7 << 9) | (b7 >> (64 - 9))) ^ b0;
b2 += b5; b5 = ((b5 << 54) | (b5 >> (64 - 54))) ^ b2;
b4 += b3; b3 = ((b3 << 56) | (b3 >> (64 - 56))) ^ b4;
b1 += k6; b0 += b1 + k5; b1 = ((b1 << 39) | (b1 >> (64 - 39))) ^ b0;
b3 += k8; b2 += b3 + k7; b3 = ((b3 << 30) | (b3 >> (64 - 30))) ^ b2;
b5 += k1 + t2; b4 += b5 + k0; b5 = ((b5 << 34) | (b5 >> (64 - 34))) ^ b4;
b7 += k3 + 5; b6 += b7 + k2 + t0; b7 = ((b7 << 24) | (b7 >> (64 - 24))) ^ b6;
b2 += b1; b1 = ((b1 << 13) | (b1 >> (64 - 13))) ^ b2;
b4 += b7; b7 = ((b7 << 50) | (b7 >> (64 - 50))) ^ b4;
b6 += b5; b5 = ((b5 << 10) | (b5 >> (64 - 10))) ^ b6;
b0 += b3; b3 = ((b3 << 17) | (b3 >> (64 - 17))) ^ b0;
b4 += b1; b1 = ((b1 << 25) | (b1 >> (64 - 25))) ^ b4;
b6 += b3; b3 = ((b3 << 29) | (b3 >> (64 - 29))) ^ b6;
b0 += b5; b5 = ((b5 << 39) | (b5 >> (64 - 39))) ^ b0;
b2 += b7; b7 = ((b7 << 43) | (b7 >> (64 - 43))) ^ b2;
b6 += b1; b1 = ((b1 << 8) | (b1 >> (64 - 8))) ^ b6;
b0 += b7; b7 = ((b7 << 35) | (b7 >> (64 - 35))) ^ b0;
b2 += b5; b5 = ((b5 << 56) | (b5 >> (64 - 56))) ^ b2;
b4 += b3; b3 = ((b3 << 22) | (b3 >> (64 - 22))) ^ b4;
b1 += k7; b0 += b1 + k6; b1 = ((b1 << 46) | (b1 >> (64 - 46))) ^ b0;
b3 += k0; b2 += b3 + k8; b3 = ((b3 << 36) | (b3 >> (64 - 36))) ^ b2;
b5 += k2 + t0; b4 += b5 + k1; b5 = ((b5 << 19) | (b5 >> (64 - 19))) ^ b4;
b7 += k4 + 6; b6 += b7 + k3 + t1; b7 = ((b7 << 37) | (b7 >> (64 - 37))) ^ b6;
b2 += b1; b1 = ((b1 << 33) | (b1 >> (64 - 33))) ^ b2;
b4 += b7; b7 = ((b7 << 27) | (b7 >> (64 - 27))) ^ b4;
b6 += b5; b5 = ((b5 << 14) | (b5 >> (64 - 14))) ^ b6;
b0 += b3; b3 = ((b3 << 42) | (b3 >> (64 - 42))) ^ b0;
b4 += b1; b1 = ((b1 << 17) | (b1 >> (64 - 17))) ^ b4;
b6 += b3; b3 = ((b3 << 49) | (b3 >> (64 - 49))) ^ b6;
b0 += b5; b5 = ((b5 << 36) | (b5 >> (64 - 36))) ^ b0;
b2 += b7; b7 = ((b7 << 39) | (b7 >> (64 - 39))) ^ b2;
b6 += b1; b1 = ((b1 << 44) | (b1 >> (64 - 44))) ^ b6;
b0 += b7; b7 = ((b7 << 9) | (b7 >> (64 - 9))) ^ b0;
b2 += b5; b5 = ((b5 << 54) | (b5 >> (64 - 54))) ^ b2;
b4 += b3; b3 = ((b3 << 56) | (b3 >> (64 - 56))) ^ b4;
b1 += k8; b0 += b1 + k7; b1 = ((b1 << 39) | (b1 >> (64 - 39))) ^ b0;
b3 += k1; b2 += b3 + k0; b3 = ((b3 << 30) | (b3 >> (64 - 30))) ^ b2;
b5 += k3 + t1; b4 += b5 + k2; b5 = ((b5 << 34) | (b5 >> (64 - 34))) ^ b4;
b7 += k5 + 7; b6 += b7 + k4 + t2; b7 = ((b7 << 24) | (b7 >> (64 - 24))) ^ b6;
b2 += b1; b1 = ((b1 << 13) | (b1 >> (64 - 13))) ^ b2;
b4 += b7; b7 = ((b7 << 50) | (b7 >> (64 - 50))) ^ b4;
b6 += b5; b5 = ((b5 << 10) | (b5 >> (64 - 10))) ^ b6;
b0 += b3; b3 = ((b3 << 17) | (b3 >> (64 - 17))) ^ b0;
b4 += b1; b1 = ((b1 << 25) | (b1 >> (64 - 25))) ^ b4;
b6 += b3; b3 = ((b3 << 29) | (b3 >> (64 - 29))) ^ b6;
b0 += b5; b5 = ((b5 << 39) | (b5 >> (64 - 39))) ^ b0;
b2 += b7; b7 = ((b7 << 43) | (b7 >> (64 - 43))) ^ b2;
b6 += b1; b1 = ((b1 << 8) | (b1 >> (64 - 8))) ^ b6;
b0 += b7; b7 = ((b7 << 35) | (b7 >> (64 - 35))) ^ b0;
b2 += b5; b5 = ((b5 << 56) | (b5 >> (64 - 56))) ^ b2;
b4 += b3; b3 = ((b3 << 22) | (b3 >> (64 - 22))) ^ b4;
b1 += k0; b0 += b1 + k8; b1 = ((b1 << 46) | (b1 >> (64 - 46))) ^ b0;
b3 += k2; b2 += b3 + k1; b3 = ((b3 << 36) | (b3 >> (64 - 36))) ^ b2;
b5 += k4 + t2; b4 += b5 + k3; b5 = ((b5 << 19) | (b5 >> (64 - 19))) ^ b4;
b7 += k6 + 8; b6 += b7 + k5 + t0; b7 = ((b7 << 37) | (b7 >> (64 - 37))) ^ b6;
b2 += b1; b1 = ((b1 << 33) | (b1 >> (64 - 33))) ^ b2;
b4 += b7; b7 = ((b7 << 27) | (b7 >> (64 - 27))) ^ b4;
b6 += b5; b5 = ((b5 << 14) | (b5 >> (64 - 14))) ^ b6;
b0 += b3; b3 = ((b3 << 42) | (b3 >> (64 - 42))) ^ b0;
b4 += b1; b1 = ((b1 << 17) | (b1 >> (64 - 17))) ^ b4;
b6 += b3; b3 = ((b3 << 49) | (b3 >> (64 - 49))) ^ b6;
b0 += b5; b5 = ((b5 << 36) | (b5 >> (64 - 36))) ^ b0;
b2 += b7; b7 = ((b7 << 39) | (b7 >> (64 - 39))) ^ b2;
b6 += b1; b1 = ((b1 << 44) | (b1 >> (64 - 44))) ^ b6;
b0 += b7; b7 = ((b7 << 9) | (b7 >> (64 - 9))) ^ b0;
b2 += b5; b5 = ((b5 << 54) | (b5 >> (64 - 54))) ^ b2;
b4 += b3; b3 = ((b3 << 56) | (b3 >> (64 - 56))) ^ b4;
b1 += k1; b0 += b1 + k0; b1 = ((b1 << 39) | (b1 >> (64 - 39))) ^ b0;
b3 += k3; b2 += b3 + k2; b3 = ((b3 << 30) | (b3 >> (64 - 30))) ^ b2;
b5 += k5 + t0; b4 += b5 + k4; b5 = ((b5 << 34) | (b5 >> (64 - 34))) ^ b4;
b7 += k7 + 9; b6 += b7 + k6 + t1; b7 = ((b7 << 24) | (b7 >> (64 - 24))) ^ b6;
b2 += b1; b1 = ((b1 << 13) | (b1 >> (64 - 13))) ^ b2;
b4 += b7; b7 = ((b7 << 50) | (b7 >> (64 - 50))) ^ b4;
b6 += b5; b5 = ((b5 << 10) | (b5 >> (64 - 10))) ^ b6;
b0 += b3; b3 = ((b3 << 17) | (b3 >> (64 - 17))) ^ b0;
b4 += b1; b1 = ((b1 << 25) | (b1 >> (64 - 25))) ^ b4;
b6 += b3; b3 = ((b3 << 29) | (b3 >> (64 - 29))) ^ b6;
b0 += b5; b5 = ((b5 << 39) | (b5 >> (64 - 39))) ^ b0;
b2 += b7; b7 = ((b7 << 43) | (b7 >> (64 - 43))) ^ b2;
b6 += b1; b1 = ((b1 << 8) | (b1 >> (64 - 8))) ^ b6;
b0 += b7; b7 = ((b7 << 35) | (b7 >> (64 - 35))) ^ b0;
b2 += b5; b5 = ((b5 << 56) | (b5 >> (64 - 56))) ^ b2;
b4 += b3; b3 = ((b3 << 22) | (b3 >> (64 - 22))) ^ b4;
b1 += k2; b0 += b1 + k1; b1 = ((b1 << 46) | (b1 >> (64 - 46))) ^ b0;
b3 += k4; b2 += b3 + k3; b3 = ((b3 << 36) | (b3 >> (64 - 36))) ^ b2;
b5 += k6 + t1; b4 += b5 + k5; b5 = ((b5 << 19) | (b5 >> (64 - 19))) ^ b4;
b7 += k8 + 10; b6 += b7 + k7 + t2; b7 = ((b7 << 37) | (b7 >> (64 - 37))) ^ b6;
b2 += b1; b1 = ((b1 << 33) | (b1 >> (64 - 33))) ^ b2;
b4 += b7; b7 = ((b7 << 27) | (b7 >> (64 - 27))) ^ b4;
b6 += b5; b5 = ((b5 << 14) | (b5 >> (64 - 14))) ^ b6;
b0 += b3; b3 = ((b3 << 42) | (b3 >> (64 - 42))) ^ b0;
b4 += b1; b1 = ((b1 << 17) | (b1 >> (64 - 17))) ^ b4;
b6 += b3; b3 = ((b3 << 49) | (b3 >> (64 - 49))) ^ b6;
b0 += b5; b5 = ((b5 << 36) | (b5 >> (64 - 36))) ^ b0;
b2 += b7; b7 = ((b7 << 39) | (b7 >> (64 - 39))) ^ b2;
b6 += b1; b1 = ((b1 << 44) | (b1 >> (64 - 44))) ^ b6;
b0 += b7; b7 = ((b7 << 9) | (b7 >> (64 - 9))) ^ b0;
b2 += b5; b5 = ((b5 << 54) | (b5 >> (64 - 54))) ^ b2;
b4 += b3; b3 = ((b3 << 56) | (b3 >> (64 - 56))) ^ b4;
b1 += k3; b0 += b1 + k2; b1 = ((b1 << 39) | (b1 >> (64 - 39))) ^ b0;
b3 += k5; b2 += b3 + k4; b3 = ((b3 << 30) | (b3 >> (64 - 30))) ^ b2;
b5 += k7 + t2; b4 += b5 + k6; b5 = ((b5 << 34) | (b5 >> (64 - 34))) ^ b4;
b7 += k0 + 11; b6 += b7 + k8 + t0; b7 = ((b7 << 24) | (b7 >> (64 - 24))) ^ b6;
b2 += b1; b1 = ((b1 << 13) | (b1 >> (64 - 13))) ^ b2;
b4 += b7; b7 = ((b7 << 50) | (b7 >> (64 - 50))) ^ b4;
b6 += b5; b5 = ((b5 << 10) | (b5 >> (64 - 10))) ^ b6;
b0 += b3; b3 = ((b3 << 17) | (b3 >> (64 - 17))) ^ b0;
b4 += b1; b1 = ((b1 << 25) | (b1 >> (64 - 25))) ^ b4;
b6 += b3; b3 = ((b3 << 29) | (b3 >> (64 - 29))) ^ b6;
b0 += b5; b5 = ((b5 << 39) | (b5 >> (64 - 39))) ^ b0;
b2 += b7; b7 = ((b7 << 43) | (b7 >> (64 - 43))) ^ b2;
b6 += b1; b1 = ((b1 << 8) | (b1 >> (64 - 8))) ^ b6;
b0 += b7; b7 = ((b7 << 35) | (b7 >> (64 - 35))) ^ b0;
b2 += b5; b5 = ((b5 << 56) | (b5 >> (64 - 56))) ^ b2;
b4 += b3; b3 = ((b3 << 22) | (b3 >> (64 - 22))) ^ b4;
b1 += k4; b0 += b1 + k3; b1 = ((b1 << 46) | (b1 >> (64 - 46))) ^ b0;
b3 += k6; b2 += b3 + k5; b3 = ((b3 << 36) | (b3 >> (64 - 36))) ^ b2;
b5 += k8 + t0; b4 += b5 + k7; b5 = ((b5 << 19) | (b5 >> (64 - 19))) ^ b4;
b7 += k1 + 12; b6 += b7 + k0 + t1; b7 = ((b7 << 37) | (b7 >> (64 - 37))) ^ b6;
b2 += b1; b1 = ((b1 << 33) | (b1 >> (64 - 33))) ^ b2;
b4 += b7; b7 = ((b7 << 27) | (b7 >> (64 - 27))) ^ b4;
b6 += b5; b5 = ((b5 << 14) | (b5 >> (64 - 14))) ^ b6;
b0 += b3; b3 = ((b3 << 42) | (b3 >> (64 - 42))) ^ b0;
b4 += b1; b1 = ((b1 << 17) | (b1 >> (64 - 17))) ^ b4;
b6 += b3; b3 = ((b3 << 49) | (b3 >> (64 - 49))) ^ b6;
b0 += b5; b5 = ((b5 << 36) | (b5 >> (64 - 36))) ^ b0;
b2 += b7; b7 = ((b7 << 39) | (b7 >> (64 - 39))) ^ b2;
b6 += b1; b1 = ((b1 << 44) | (b1 >> (64 - 44))) ^ b6;
b0 += b7; b7 = ((b7 << 9) | (b7 >> (64 - 9))) ^ b0;
b2 += b5; b5 = ((b5 << 54) | (b5 >> (64 - 54))) ^ b2;
b4 += b3; b3 = ((b3 << 56) | (b3 >> (64 - 56))) ^ b4;
b1 += k5; b0 += b1 + k4; b1 = ((b1 << 39) | (b1 >> (64 - 39))) ^ b0;
b3 += k7; b2 += b3 + k6; b3 = ((b3 << 30) | (b3 >> (64 - 30))) ^ b2;
b5 += k0 + t1; b4 += b5 + k8; b5 = ((b5 << 34) | (b5 >> (64 - 34))) ^ b4;
b7 += k2 + 13; b6 += b7 + k1 + t2; b7 = ((b7 << 24) | (b7 >> (64 - 24))) ^ b6;
b2 += b1; b1 = ((b1 << 13) | (b1 >> (64 - 13))) ^ b2;
b4 += b7; b7 = ((b7 << 50) | (b7 >> (64 - 50))) ^ b4;
b6 += b5; b5 = ((b5 << 10) | (b5 >> (64 - 10))) ^ b6;
b0 += b3; b3 = ((b3 << 17) | (b3 >> (64 - 17))) ^ b0;
b4 += b1; b1 = ((b1 << 25) | (b1 >> (64 - 25))) ^ b4;
b6 += b3; b3 = ((b3 << 29) | (b3 >> (64 - 29))) ^ b6;
b0 += b5; b5 = ((b5 << 39) | (b5 >> (64 - 39))) ^ b0;
b2 += b7; b7 = ((b7 << 43) | (b7 >> (64 - 43))) ^ b2;
b6 += b1; b1 = ((b1 << 8) | (b1 >> (64 - 8))) ^ b6;
b0 += b7; b7 = ((b7 << 35) | (b7 >> (64 - 35))) ^ b0;
b2 += b5; b5 = ((b5 << 56) | (b5 >> (64 - 56))) ^ b2;
b4 += b3; b3 = ((b3 << 22) | (b3 >> (64 - 22))) ^ b4;
b1 += k6; b0 += b1 + k5; b1 = ((b1 << 46) | (b1 >> (64 - 46))) ^ b0;
b3 += k8; b2 += b3 + k7; b3 = ((b3 << 36) | (b3 >> (64 - 36))) ^ b2;
b5 += k1 + t2; b4 += b5 + k0; b5 = ((b5 << 19) | (b5 >> (64 - 19))) ^ b4;
b7 += k3 + 14; b6 += b7 + k2 + t0; b7 = ((b7 << 37) | (b7 >> (64 - 37))) ^ b6;
b2 += b1; b1 = ((b1 << 33) | (b1 >> (64 - 33))) ^ b2;
b4 += b7; b7 = ((b7 << 27) | (b7 >> (64 - 27))) ^ b4;
b6 += b5; b5 = ((b5 << 14) | (b5 >> (64 - 14))) ^ b6;
b0 += b3; b3 = ((b3 << 42) | (b3 >> (64 - 42))) ^ b0;
b4 += b1; b1 = ((b1 << 17) | (b1 >> (64 - 17))) ^ b4;
b6 += b3; b3 = ((b3 << 49) | (b3 >> (64 - 49))) ^ b6;
b0 += b5; b5 = ((b5 << 36) | (b5 >> (64 - 36))) ^ b0;
b2 += b7; b7 = ((b7 << 39) | (b7 >> (64 - 39))) ^ b2;
b6 += b1; b1 = ((b1 << 44) | (b1 >> (64 - 44))) ^ b6;
b0 += b7; b7 = ((b7 << 9) | (b7 >> (64 - 9))) ^ b0;
b2 += b5; b5 = ((b5 << 54) | (b5 >> (64 - 54))) ^ b2;
b4 += b3; b3 = ((b3 << 56) | (b3 >> (64 - 56))) ^ b4;
b1 += k7; b0 += b1 + k6; b1 = ((b1 << 39) | (b1 >> (64 - 39))) ^ b0;
b3 += k0; b2 += b3 + k8; b3 = ((b3 << 30) | (b3 >> (64 - 30))) ^ b2;
b5 += k2 + t0; b4 += b5 + k1; b5 = ((b5 << 34) | (b5 >> (64 - 34))) ^ b4;
b7 += k4 + 15; b6 += b7 + k3 + t1; b7 = ((b7 << 24) | (b7 >> (64 - 24))) ^ b6;
b2 += b1; b1 = ((b1 << 13) | (b1 >> (64 - 13))) ^ b2;
b4 += b7; b7 = ((b7 << 50) | (b7 >> (64 - 50))) ^ b4;
b6 += b5; b5 = ((b5 << 10) | (b5 >> (64 - 10))) ^ b6;
b0 += b3; b3 = ((b3 << 17) | (b3 >> (64 - 17))) ^ b0;
b4 += b1; b1 = ((b1 << 25) | (b1 >> (64 - 25))) ^ b4;
b6 += b3; b3 = ((b3 << 29) | (b3 >> (64 - 29))) ^ b6;
b0 += b5; b5 = ((b5 << 39) | (b5 >> (64 - 39))) ^ b0;
b2 += b7; b7 = ((b7 << 43) | (b7 >> (64 - 43))) ^ b2;
b6 += b1; b1 = ((b1 << 8) | (b1 >> (64 - 8))) ^ b6;
b0 += b7; b7 = ((b7 << 35) | (b7 >> (64 - 35))) ^ b0;
b2 += b5; b5 = ((b5 << 56) | (b5 >> (64 - 56))) ^ b2;
b4 += b3; b3 = ((b3 << 22) | (b3 >> (64 - 22))) ^ b4;
b1 += k8; b0 += b1 + k7; b1 = ((b1 << 46) | (b1 >> (64 - 46))) ^ b0;
b3 += k1; b2 += b3 + k0; b3 = ((b3 << 36) | (b3 >> (64 - 36))) ^ b2;
b5 += k3 + t1; b4 += b5 + k2; b5 = ((b5 << 19) | (b5 >> (64 - 19))) ^ b4;
b7 += k5 + 16; b6 += b7 + k4 + t2; b7 = ((b7 << 37) | (b7 >> (64 - 37))) ^ b6;
b2 += b1; b1 = ((b1 << 33) | (b1 >> (64 - 33))) ^ b2;
b4 += b7; b7 = ((b7 << 27) | (b7 >> (64 - 27))) ^ b4;
b6 += b5; b5 = ((b5 << 14) | (b5 >> (64 - 14))) ^ b6;
b0 += b3; b3 = ((b3 << 42) | (b3 >> (64 - 42))) ^ b0;
b4 += b1; b1 = ((b1 << 17) | (b1 >> (64 - 17))) ^ b4;
b6 += b3; b3 = ((b3 << 49) | (b3 >> (64 - 49))) ^ b6;
b0 += b5; b5 = ((b5 << 36) | (b5 >> (64 - 36))) ^ b0;
b2 += b7; b7 = ((b7 << 39) | (b7 >> (64 - 39))) ^ b2;
b6 += b1; b1 = ((b1 << 44) | (b1 >> (64 - 44))) ^ b6;
b0 += b7; b7 = ((b7 << 9) | (b7 >> (64 - 9))) ^ b0;
b2 += b5; b5 = ((b5 << 54) | (b5 >> (64 - 54))) ^ b2;
b4 += b3; b3 = ((b3 << 56) | (b3 >> (64 - 56))) ^ b4;
b1 += k0; b0 += b1 + k8; b1 = ((b1 << 39) | (b1 >> (64 - 39))) ^ b0;
b3 += k2; b2 += b3 + k1; b3 = ((b3 << 30) | (b3 >> (64 - 30))) ^ b2;
b5 += k4 + t2; b4 += b5 + k3; b5 = ((b5 << 34) | (b5 >> (64 - 34))) ^ b4;
b7 += k6 + 17; b6 += b7 + k5 + t0; b7 = ((b7 << 24) | (b7 >> (64 - 24))) ^ b6;
b2 += b1; b1 = ((b1 << 13) | (b1 >> (64 - 13))) ^ b2;
b4 += b7; b7 = ((b7 << 50) | (b7 >> (64 - 50))) ^ b4;
b6 += b5; b5 = ((b5 << 10) | (b5 >> (64 - 10))) ^ b6;
b0 += b3; b3 = ((b3 << 17) | (b3 >> (64 - 17))) ^ b0;
b4 += b1; b1 = ((b1 << 25) | (b1 >> (64 - 25))) ^ b4;
b6 += b3; b3 = ((b3 << 29) | (b3 >> (64 - 29))) ^ b6;
b0 += b5; b5 = ((b5 << 39) | (b5 >> (64 - 39))) ^ b0;
b2 += b7; b7 = ((b7 << 43) | (b7 >> (64 - 43))) ^ b2;
b6 += b1; b1 = ((b1 << 8) | (b1 >> (64 - 8))) ^ b6;
b0 += b7; b7 = ((b7 << 35) | (b7 >> (64 - 35))) ^ b0;
b2 += b5; b5 = ((b5 << 56) | (b5 >> (64 - 56))) ^ b2;
b4 += b3; b3 = ((b3 << 22) | (b3 >> (64 - 22))) ^ b4;
b1 += k1; b0 += b1 + k0; b1 = ((b1 << 46) | (b1 >> (64 - 46))) ^ b0; output[0] = b0 + k0;
b3 += k3; b2 += b3 + k2; b3 = ((b3 << 36) | (b3 >> (64 - 36))) ^ b2; output[1] = b1 + k1;
b5 += k5 + t0; b4 += b5 + k4; b5 = ((b5 << 19) | (b5 >> (64 - 19))) ^ b4; output[2] = b2 + k2;
b7 += k7; b6 += b7 + k6 + t1; b7 = ((b7 << 37) | (b7 >> (64 - 37))) ^ b6; output[3] = b3 + k3;
b2 += b1; b1 = ((b1 << 33) | (b1 >> (64 - 33))) ^ b2; output[4] = b4 + k4;
b4 += b7; b7 = ((b7 << 27) | (b7 >> (64 - 27))) ^ b4; output[5] = b5 + k5 + t0;
b6 += b5; b5 = ((b5 << 14) | (b5 >> (64 - 14))) ^ b6; output[6] = b6 + k6 + t1;
b0 += b3; b3 = ((b3 << 42) | (b3 >> (64 - 42))) ^ b0; output[7] = b7 + k7 + 18;
b4 += b1; b1 = ((b1 << 17) | (b1 >> (64 - 17))) ^ b4; }
b6 += b3; b3 = ((b3 << 49) | (b3 >> (64 - 49))) ^ b6;
b0 += b5; b5 = ((b5 << 36) | (b5 >> (64 - 36))) ^ b0;
b2 += b7; b7 = ((b7 << 39) | (b7 >> (64 - 39))) ^ b2;
b6 += b1; b1 = ((b1 << 44) | (b1 >> (64 - 44))) ^ b6;
b0 += b7; b7 = ((b7 << 9) | (b7 >> (64 - 9))) ^ b0;
b2 += b5; b5 = ((b5 << 54) | (b5 >> (64 - 54))) ^ b2;
b4 += b3; b3 = ((b3 << 56) | (b3 >> (64 - 56))) ^ b4;
b1 += k2; b0 += b1 + k1; b1 = ((b1 << 39) | (b1 >> (64 - 39))) ^ b0;
b3 += k4; b2 += b3 + k3; b3 = ((b3 << 30) | (b3 >> (64 - 30))) ^ b2;
b5 += k6 + t1; b4 += b5 + k5; b5 = ((b5 << 34) | (b5 >> (64 - 34))) ^ b4;
b7 += k8 + 1; b6 += b7 + k7 + t2; b7 = ((b7 << 24) | (b7 >> (64 - 24))) ^ b6;
b2 += b1; b1 = ((b1 << 13) | (b1 >> (64 - 13))) ^ b2;
b4 += b7; b7 = ((b7 << 50) | (b7 >> (64 - 50))) ^ b4;
b6 += b5; b5 = ((b5 << 10) | (b5 >> (64 - 10))) ^ b6;
b0 += b3; b3 = ((b3 << 17) | (b3 >> (64 - 17))) ^ b0;
b4 += b1; b1 = ((b1 << 25) | (b1 >> (64 - 25))) ^ b4;
b6 += b3; b3 = ((b3 << 29) | (b3 >> (64 - 29))) ^ b6;
b0 += b5; b5 = ((b5 << 39) | (b5 >> (64 - 39))) ^ b0;
b2 += b7; b7 = ((b7 << 43) | (b7 >> (64 - 43))) ^ b2;
b6 += b1; b1 = ((b1 << 8) | (b1 >> (64 - 8))) ^ b6;
b0 += b7; b7 = ((b7 << 35) | (b7 >> (64 - 35))) ^ b0;
b2 += b5; b5 = ((b5 << 56) | (b5 >> (64 - 56))) ^ b2;
b4 += b3; b3 = ((b3 << 22) | (b3 >> (64 - 22))) ^ b4;
b1 += k3; b0 += b1 + k2; b1 = ((b1 << 46) | (b1 >> (64 - 46))) ^ b0;
b3 += k5; b2 += b3 + k4; b3 = ((b3 << 36) | (b3 >> (64 - 36))) ^ b2;
b5 += k7 + t2; b4 += b5 + k6; b5 = ((b5 << 19) | (b5 >> (64 - 19))) ^ b4;
b7 += k0 + 2; b6 += b7 + k8 + t0; b7 = ((b7 << 37) | (b7 >> (64 - 37))) ^ b6;
b2 += b1; b1 = ((b1 << 33) | (b1 >> (64 - 33))) ^ b2;
b4 += b7; b7 = ((b7 << 27) | (b7 >> (64 - 27))) ^ b4;
b6 += b5; b5 = ((b5 << 14) | (b5 >> (64 - 14))) ^ b6;
b0 += b3; b3 = ((b3 << 42) | (b3 >> (64 - 42))) ^ b0;
b4 += b1; b1 = ((b1 << 17) | (b1 >> (64 - 17))) ^ b4;
b6 += b3; b3 = ((b3 << 49) | (b3 >> (64 - 49))) ^ b6;
b0 += b5; b5 = ((b5 << 36) | (b5 >> (64 - 36))) ^ b0;
b2 += b7; b7 = ((b7 << 39) | (b7 >> (64 - 39))) ^ b2;
b6 += b1; b1 = ((b1 << 44) | (b1 >> (64 - 44))) ^ b6;
b0 += b7; b7 = ((b7 << 9) | (b7 >> (64 - 9))) ^ b0;
b2 += b5; b5 = ((b5 << 54) | (b5 >> (64 - 54))) ^ b2;
b4 += b3; b3 = ((b3 << 56) | (b3 >> (64 - 56))) ^ b4;
b1 += k4; b0 += b1 + k3; b1 = ((b1 << 39) | (b1 >> (64 - 39))) ^ b0;
b3 += k6; b2 += b3 + k5; b3 = ((b3 << 30) | (b3 >> (64 - 30))) ^ b2;
b5 += k8 + t0; b4 += b5 + k7; b5 = ((b5 << 34) | (b5 >> (64 - 34))) ^ b4;
b7 += k1 + 3; b6 += b7 + k0 + t1; b7 = ((b7 << 24) | (b7 >> (64 - 24))) ^ b6;
b2 += b1; b1 = ((b1 << 13) | (b1 >> (64 - 13))) ^ b2;
b4 += b7; b7 = ((b7 << 50) | (b7 >> (64 - 50))) ^ b4;
b6 += b5; b5 = ((b5 << 10) | (b5 >> (64 - 10))) ^ b6;
b0 += b3; b3 = ((b3 << 17) | (b3 >> (64 - 17))) ^ b0;
b4 += b1; b1 = ((b1 << 25) | (b1 >> (64 - 25))) ^ b4;
b6 += b3; b3 = ((b3 << 29) | (b3 >> (64 - 29))) ^ b6;
b0 += b5; b5 = ((b5 << 39) | (b5 >> (64 - 39))) ^ b0;
b2 += b7; b7 = ((b7 << 43) | (b7 >> (64 - 43))) ^ b2;
b6 += b1; b1 = ((b1 << 8) | (b1 >> (64 - 8))) ^ b6;
b0 += b7; b7 = ((b7 << 35) | (b7 >> (64 - 35))) ^ b0;
b2 += b5; b5 = ((b5 << 56) | (b5 >> (64 - 56))) ^ b2;
b4 += b3; b3 = ((b3 << 22) | (b3 >> (64 - 22))) ^ b4;
b1 += k5; b0 += b1 + k4; b1 = ((b1 << 46) | (b1 >> (64 - 46))) ^ b0;
b3 += k7; b2 += b3 + k6; b3 = ((b3 << 36) | (b3 >> (64 - 36))) ^ b2;
b5 += k0 + t1; b4 += b5 + k8; b5 = ((b5 << 19) | (b5 >> (64 - 19))) ^ b4;
b7 += k2 + 4; b6 += b7 + k1 + t2; b7 = ((b7 << 37) | (b7 >> (64 - 37))) ^ b6;
b2 += b1; b1 = ((b1 << 33) | (b1 >> (64 - 33))) ^ b2;
b4 += b7; b7 = ((b7 << 27) | (b7 >> (64 - 27))) ^ b4;
b6 += b5; b5 = ((b5 << 14) | (b5 >> (64 - 14))) ^ b6;
b0 += b3; b3 = ((b3 << 42) | (b3 >> (64 - 42))) ^ b0;
b4 += b1; b1 = ((b1 << 17) | (b1 >> (64 - 17))) ^ b4;
b6 += b3; b3 = ((b3 << 49) | (b3 >> (64 - 49))) ^ b6;
b0 += b5; b5 = ((b5 << 36) | (b5 >> (64 - 36))) ^ b0;
b2 += b7; b7 = ((b7 << 39) | (b7 >> (64 - 39))) ^ b2;
b6 += b1; b1 = ((b1 << 44) | (b1 >> (64 - 44))) ^ b6;
b0 += b7; b7 = ((b7 << 9) | (b7 >> (64 - 9))) ^ b0;
b2 += b5; b5 = ((b5 << 54) | (b5 >> (64 - 54))) ^ b2;
b4 += b3; b3 = ((b3 << 56) | (b3 >> (64 - 56))) ^ b4;
b1 += k6; b0 += b1 + k5; b1 = ((b1 << 39) | (b1 >> (64 - 39))) ^ b0;
b3 += k8; b2 += b3 + k7; b3 = ((b3 << 30) | (b3 >> (64 - 30))) ^ b2;
b5 += k1 + t2; b4 += b5 + k0; b5 = ((b5 << 34) | (b5 >> (64 - 34))) ^ b4;
b7 += k3 + 5; b6 += b7 + k2 + t0; b7 = ((b7 << 24) | (b7 >> (64 - 24))) ^ b6;
b2 += b1; b1 = ((b1 << 13) | (b1 >> (64 - 13))) ^ b2;
b4 += b7; b7 = ((b7 << 50) | (b7 >> (64 - 50))) ^ b4;
b6 += b5; b5 = ((b5 << 10) | (b5 >> (64 - 10))) ^ b6;
b0 += b3; b3 = ((b3 << 17) | (b3 >> (64 - 17))) ^ b0;
b4 += b1; b1 = ((b1 << 25) | (b1 >> (64 - 25))) ^ b4;
b6 += b3; b3 = ((b3 << 29) | (b3 >> (64 - 29))) ^ b6;
b0 += b5; b5 = ((b5 << 39) | (b5 >> (64 - 39))) ^ b0;
b2 += b7; b7 = ((b7 << 43) | (b7 >> (64 - 43))) ^ b2;
b6 += b1; b1 = ((b1 << 8) | (b1 >> (64 - 8))) ^ b6;
b0 += b7; b7 = ((b7 << 35) | (b7 >> (64 - 35))) ^ b0;
b2 += b5; b5 = ((b5 << 56) | (b5 >> (64 - 56))) ^ b2;
b4 += b3; b3 = ((b3 << 22) | (b3 >> (64 - 22))) ^ b4;
b1 += k7; b0 += b1 + k6; b1 = ((b1 << 46) | (b1 >> (64 - 46))) ^ b0;
b3 += k0; b2 += b3 + k8; b3 = ((b3 << 36) | (b3 >> (64 - 36))) ^ b2;
b5 += k2 + t0; b4 += b5 + k1; b5 = ((b5 << 19) | (b5 >> (64 - 19))) ^ b4;
b7 += k4 + 6; b6 += b7 + k3 + t1; b7 = ((b7 << 37) | (b7 >> (64 - 37))) ^ b6;
b2 += b1; b1 = ((b1 << 33) | (b1 >> (64 - 33))) ^ b2;
b4 += b7; b7 = ((b7 << 27) | (b7 >> (64 - 27))) ^ b4;
b6 += b5; b5 = ((b5 << 14) | (b5 >> (64 - 14))) ^ b6;
b0 += b3; b3 = ((b3 << 42) | (b3 >> (64 - 42))) ^ b0;
b4 += b1; b1 = ((b1 << 17) | (b1 >> (64 - 17))) ^ b4;
b6 += b3; b3 = ((b3 << 49) | (b3 >> (64 - 49))) ^ b6;
b0 += b5; b5 = ((b5 << 36) | (b5 >> (64 - 36))) ^ b0;
b2 += b7; b7 = ((b7 << 39) | (b7 >> (64 - 39))) ^ b2;
b6 += b1; b1 = ((b1 << 44) | (b1 >> (64 - 44))) ^ b6;
b0 += b7; b7 = ((b7 << 9) | (b7 >> (64 - 9))) ^ b0;
b2 += b5; b5 = ((b5 << 54) | (b5 >> (64 - 54))) ^ b2;
b4 += b3; b3 = ((b3 << 56) | (b3 >> (64 - 56))) ^ b4;
b1 += k8; b0 += b1 + k7; b1 = ((b1 << 39) | (b1 >> (64 - 39))) ^ b0;
b3 += k1; b2 += b3 + k0; b3 = ((b3 << 30) | (b3 >> (64 - 30))) ^ b2;
b5 += k3 + t1; b4 += b5 + k2; b5 = ((b5 << 34) | (b5 >> (64 - 34))) ^ b4;
b7 += k5 + 7; b6 += b7 + k4 + t2; b7 = ((b7 << 24) | (b7 >> (64 - 24))) ^ b6;
b2 += b1; b1 = ((b1 << 13) | (b1 >> (64 - 13))) ^ b2;
b4 += b7; b7 = ((b7 << 50) | (b7 >> (64 - 50))) ^ b4;
b6 += b5; b5 = ((b5 << 10) | (b5 >> (64 - 10))) ^ b6;
b0 += b3; b3 = ((b3 << 17) | (b3 >> (64 - 17))) ^ b0;
b4 += b1; b1 = ((b1 << 25) | (b1 >> (64 - 25))) ^ b4;
b6 += b3; b3 = ((b3 << 29) | (b3 >> (64 - 29))) ^ b6;
b0 += b5; b5 = ((b5 << 39) | (b5 >> (64 - 39))) ^ b0;
b2 += b7; b7 = ((b7 << 43) | (b7 >> (64 - 43))) ^ b2;
b6 += b1; b1 = ((b1 << 8) | (b1 >> (64 - 8))) ^ b6;
b0 += b7; b7 = ((b7 << 35) | (b7 >> (64 - 35))) ^ b0;
b2 += b5; b5 = ((b5 << 56) | (b5 >> (64 - 56))) ^ b2;
b4 += b3; b3 = ((b3 << 22) | (b3 >> (64 - 22))) ^ b4;
b1 += k0; b0 += b1 + k8; b1 = ((b1 << 46) | (b1 >> (64 - 46))) ^ b0;
b3 += k2; b2 += b3 + k1; b3 = ((b3 << 36) | (b3 >> (64 - 36))) ^ b2;
b5 += k4 + t2; b4 += b5 + k3; b5 = ((b5 << 19) | (b5 >> (64 - 19))) ^ b4;
b7 += k6 + 8; b6 += b7 + k5 + t0; b7 = ((b7 << 37) | (b7 >> (64 - 37))) ^ b6;
b2 += b1; b1 = ((b1 << 33) | (b1 >> (64 - 33))) ^ b2;
b4 += b7; b7 = ((b7 << 27) | (b7 >> (64 - 27))) ^ b4;
b6 += b5; b5 = ((b5 << 14) | (b5 >> (64 - 14))) ^ b6;
b0 += b3; b3 = ((b3 << 42) | (b3 >> (64 - 42))) ^ b0;
b4 += b1; b1 = ((b1 << 17) | (b1 >> (64 - 17))) ^ b4;
b6 += b3; b3 = ((b3 << 49) | (b3 >> (64 - 49))) ^ b6;
b0 += b5; b5 = ((b5 << 36) | (b5 >> (64 - 36))) ^ b0;
b2 += b7; b7 = ((b7 << 39) | (b7 >> (64 - 39))) ^ b2;
b6 += b1; b1 = ((b1 << 44) | (b1 >> (64 - 44))) ^ b6;
b0 += b7; b7 = ((b7 << 9) | (b7 >> (64 - 9))) ^ b0;
b2 += b5; b5 = ((b5 << 54) | (b5 >> (64 - 54))) ^ b2;
b4 += b3; b3 = ((b3 << 56) | (b3 >> (64 - 56))) ^ b4;
b1 += k1; b0 += b1 + k0; b1 = ((b1 << 39) | (b1 >> (64 - 39))) ^ b0;
b3 += k3; b2 += b3 + k2; b3 = ((b3 << 30) | (b3 >> (64 - 30))) ^ b2;
b5 += k5 + t0; b4 += b5 + k4; b5 = ((b5 << 34) | (b5 >> (64 - 34))) ^ b4;
b7 += k7 + 9; b6 += b7 + k6 + t1; b7 = ((b7 << 24) | (b7 >> (64 - 24))) ^ b6;
b2 += b1; b1 = ((b1 << 13) | (b1 >> (64 - 13))) ^ b2;
b4 += b7; b7 = ((b7 << 50) | (b7 >> (64 - 50))) ^ b4;
b6 += b5; b5 = ((b5 << 10) | (b5 >> (64 - 10))) ^ b6;
b0 += b3; b3 = ((b3 << 17) | (b3 >> (64 - 17))) ^ b0;
b4 += b1; b1 = ((b1 << 25) | (b1 >> (64 - 25))) ^ b4;
b6 += b3; b3 = ((b3 << 29) | (b3 >> (64 - 29))) ^ b6;
b0 += b5; b5 = ((b5 << 39) | (b5 >> (64 - 39))) ^ b0;
b2 += b7; b7 = ((b7 << 43) | (b7 >> (64 - 43))) ^ b2;
b6 += b1; b1 = ((b1 << 8) | (b1 >> (64 - 8))) ^ b6;
b0 += b7; b7 = ((b7 << 35) | (b7 >> (64 - 35))) ^ b0;
b2 += b5; b5 = ((b5 << 56) | (b5 >> (64 - 56))) ^ b2;
b4 += b3; b3 = ((b3 << 22) | (b3 >> (64 - 22))) ^ b4;
b1 += k2; b0 += b1 + k1; b1 = ((b1 << 46) | (b1 >> (64 - 46))) ^ b0;
b3 += k4; b2 += b3 + k3; b3 = ((b3 << 36) | (b3 >> (64 - 36))) ^ b2;
b5 += k6 + t1; b4 += b5 + k5; b5 = ((b5 << 19) | (b5 >> (64 - 19))) ^ b4;
b7 += k8 + 10; b6 += b7 + k7 + t2; b7 = ((b7 << 37) | (b7 >> (64 - 37))) ^ b6;
b2 += b1; b1 = ((b1 << 33) | (b1 >> (64 - 33))) ^ b2;
b4 += b7; b7 = ((b7 << 27) | (b7 >> (64 - 27))) ^ b4;
b6 += b5; b5 = ((b5 << 14) | (b5 >> (64 - 14))) ^ b6;
b0 += b3; b3 = ((b3 << 42) | (b3 >> (64 - 42))) ^ b0;
b4 += b1; b1 = ((b1 << 17) | (b1 >> (64 - 17))) ^ b4;
b6 += b3; b3 = ((b3 << 49) | (b3 >> (64 - 49))) ^ b6;
b0 += b5; b5 = ((b5 << 36) | (b5 >> (64 - 36))) ^ b0;
b2 += b7; b7 = ((b7 << 39) | (b7 >> (64 - 39))) ^ b2;
b6 += b1; b1 = ((b1 << 44) | (b1 >> (64 - 44))) ^ b6;
b0 += b7; b7 = ((b7 << 9) | (b7 >> (64 - 9))) ^ b0;
b2 += b5; b5 = ((b5 << 54) | (b5 >> (64 - 54))) ^ b2;
b4 += b3; b3 = ((b3 << 56) | (b3 >> (64 - 56))) ^ b4;
b1 += k3; b0 += b1 + k2; b1 = ((b1 << 39) | (b1 >> (64 - 39))) ^ b0;
b3 += k5; b2 += b3 + k4; b3 = ((b3 << 30) | (b3 >> (64 - 30))) ^ b2;
b5 += k7 + t2; b4 += b5 + k6; b5 = ((b5 << 34) | (b5 >> (64 - 34))) ^ b4;
b7 += k0 + 11; b6 += b7 + k8 + t0; b7 = ((b7 << 24) | (b7 >> (64 - 24))) ^ b6;
b2 += b1; b1 = ((b1 << 13) | (b1 >> (64 - 13))) ^ b2;
b4 += b7; b7 = ((b7 << 50) | (b7 >> (64 - 50))) ^ b4;
b6 += b5; b5 = ((b5 << 10) | (b5 >> (64 - 10))) ^ b6;
b0 += b3; b3 = ((b3 << 17) | (b3 >> (64 - 17))) ^ b0;
b4 += b1; b1 = ((b1 << 25) | (b1 >> (64 - 25))) ^ b4;
b6 += b3; b3 = ((b3 << 29) | (b3 >> (64 - 29))) ^ b6;
b0 += b5; b5 = ((b5 << 39) | (b5 >> (64 - 39))) ^ b0;
b2 += b7; b7 = ((b7 << 43) | (b7 >> (64 - 43))) ^ b2;
b6 += b1; b1 = ((b1 << 8) | (b1 >> (64 - 8))) ^ b6;
b0 += b7; b7 = ((b7 << 35) | (b7 >> (64 - 35))) ^ b0;
b2 += b5; b5 = ((b5 << 56) | (b5 >> (64 - 56))) ^ b2;
b4 += b3; b3 = ((b3 << 22) | (b3 >> (64 - 22))) ^ b4;
b1 += k4; b0 += b1 + k3; b1 = ((b1 << 46) | (b1 >> (64 - 46))) ^ b0;
b3 += k6; b2 += b3 + k5; b3 = ((b3 << 36) | (b3 >> (64 - 36))) ^ b2;
b5 += k8 + t0; b4 += b5 + k7; b5 = ((b5 << 19) | (b5 >> (64 - 19))) ^ b4;
b7 += k1 + 12; b6 += b7 + k0 + t1; b7 = ((b7 << 37) | (b7 >> (64 - 37))) ^ b6;
b2 += b1; b1 = ((b1 << 33) | (b1 >> (64 - 33))) ^ b2;
b4 += b7; b7 = ((b7 << 27) | (b7 >> (64 - 27))) ^ b4;
b6 += b5; b5 = ((b5 << 14) | (b5 >> (64 - 14))) ^ b6;
b0 += b3; b3 = ((b3 << 42) | (b3 >> (64 - 42))) ^ b0;
b4 += b1; b1 = ((b1 << 17) | (b1 >> (64 - 17))) ^ b4;
b6 += b3; b3 = ((b3 << 49) | (b3 >> (64 - 49))) ^ b6;
b0 += b5; b5 = ((b5 << 36) | (b5 >> (64 - 36))) ^ b0;
b2 += b7; b7 = ((b7 << 39) | (b7 >> (64 - 39))) ^ b2;
b6 += b1; b1 = ((b1 << 44) | (b1 >> (64 - 44))) ^ b6;
b0 += b7; b7 = ((b7 << 9) | (b7 >> (64 - 9))) ^ b0;
b2 += b5; b5 = ((b5 << 54) | (b5 >> (64 - 54))) ^ b2;
b4 += b3; b3 = ((b3 << 56) | (b3 >> (64 - 56))) ^ b4;
b1 += k5; b0 += b1 + k4; b1 = ((b1 << 39) | (b1 >> (64 - 39))) ^ b0;
b3 += k7; b2 += b3 + k6; b3 = ((b3 << 30) | (b3 >> (64 - 30))) ^ b2;
b5 += k0 + t1; b4 += b5 + k8; b5 = ((b5 << 34) | (b5 >> (64 - 34))) ^ b4;
b7 += k2 + 13; b6 += b7 + k1 + t2; b7 = ((b7 << 24) | (b7 >> (64 - 24))) ^ b6;
b2 += b1; b1 = ((b1 << 13) | (b1 >> (64 - 13))) ^ b2;
b4 += b7; b7 = ((b7 << 50) | (b7 >> (64 - 50))) ^ b4;
b6 += b5; b5 = ((b5 << 10) | (b5 >> (64 - 10))) ^ b6;
b0 += b3; b3 = ((b3 << 17) | (b3 >> (64 - 17))) ^ b0;
b4 += b1; b1 = ((b1 << 25) | (b1 >> (64 - 25))) ^ b4;
b6 += b3; b3 = ((b3 << 29) | (b3 >> (64 - 29))) ^ b6;
b0 += b5; b5 = ((b5 << 39) | (b5 >> (64 - 39))) ^ b0;
b2 += b7; b7 = ((b7 << 43) | (b7 >> (64 - 43))) ^ b2;
b6 += b1; b1 = ((b1 << 8) | (b1 >> (64 - 8))) ^ b6;
b0 += b7; b7 = ((b7 << 35) | (b7 >> (64 - 35))) ^ b0;
b2 += b5; b5 = ((b5 << 56) | (b5 >> (64 - 56))) ^ b2;
b4 += b3; b3 = ((b3 << 22) | (b3 >> (64 - 22))) ^ b4;
b1 += k6; b0 += b1 + k5; b1 = ((b1 << 46) | (b1 >> (64 - 46))) ^ b0;
b3 += k8; b2 += b3 + k7; b3 = ((b3 << 36) | (b3 >> (64 - 36))) ^ b2;
b5 += k1 + t2; b4 += b5 + k0; b5 = ((b5 << 19) | (b5 >> (64 - 19))) ^ b4;
b7 += k3 + 14; b6 += b7 + k2 + t0; b7 = ((b7 << 37) | (b7 >> (64 - 37))) ^ b6;
b2 += b1; b1 = ((b1 << 33) | (b1 >> (64 - 33))) ^ b2;
b4 += b7; b7 = ((b7 << 27) | (b7 >> (64 - 27))) ^ b4;
b6 += b5; b5 = ((b5 << 14) | (b5 >> (64 - 14))) ^ b6;
b0 += b3; b3 = ((b3 << 42) | (b3 >> (64 - 42))) ^ b0;
b4 += b1; b1 = ((b1 << 17) | (b1 >> (64 - 17))) ^ b4;
b6 += b3; b3 = ((b3 << 49) | (b3 >> (64 - 49))) ^ b6;
b0 += b5; b5 = ((b5 << 36) | (b5 >> (64 - 36))) ^ b0;
b2 += b7; b7 = ((b7 << 39) | (b7 >> (64 - 39))) ^ b2;
b6 += b1; b1 = ((b1 << 44) | (b1 >> (64 - 44))) ^ b6;
b0 += b7; b7 = ((b7 << 9) | (b7 >> (64 - 9))) ^ b0;
b2 += b5; b5 = ((b5 << 54) | (b5 >> (64 - 54))) ^ b2;
b4 += b3; b3 = ((b3 << 56) | (b3 >> (64 - 56))) ^ b4;
b1 += k7; b0 += b1 + k6; b1 = ((b1 << 39) | (b1 >> (64 - 39))) ^ b0;
b3 += k0; b2 += b3 + k8; b3 = ((b3 << 30) | (b3 >> (64 - 30))) ^ b2;
b5 += k2 + t0; b4 += b5 + k1; b5 = ((b5 << 34) | (b5 >> (64 - 34))) ^ b4;
b7 += k4 + 15; b6 += b7 + k3 + t1; b7 = ((b7 << 24) | (b7 >> (64 - 24))) ^ b6;
b2 += b1; b1 = ((b1 << 13) | (b1 >> (64 - 13))) ^ b2;
b4 += b7; b7 = ((b7 << 50) | (b7 >> (64 - 50))) ^ b4;
b6 += b5; b5 = ((b5 << 10) | (b5 >> (64 - 10))) ^ b6;
b0 += b3; b3 = ((b3 << 17) | (b3 >> (64 - 17))) ^ b0;
b4 += b1; b1 = ((b1 << 25) | (b1 >> (64 - 25))) ^ b4;
b6 += b3; b3 = ((b3 << 29) | (b3 >> (64 - 29))) ^ b6;
b0 += b5; b5 = ((b5 << 39) | (b5 >> (64 - 39))) ^ b0;
b2 += b7; b7 = ((b7 << 43) | (b7 >> (64 - 43))) ^ b2;
b6 += b1; b1 = ((b1 << 8) | (b1 >> (64 - 8))) ^ b6;
b0 += b7; b7 = ((b7 << 35) | (b7 >> (64 - 35))) ^ b0;
b2 += b5; b5 = ((b5 << 56) | (b5 >> (64 - 56))) ^ b2;
b4 += b3; b3 = ((b3 << 22) | (b3 >> (64 - 22))) ^ b4;
b1 += k8; b0 += b1 + k7; b1 = ((b1 << 46) | (b1 >> (64 - 46))) ^ b0;
b3 += k1; b2 += b3 + k0; b3 = ((b3 << 36) | (b3 >> (64 - 36))) ^ b2;
b5 += k3 + t1; b4 += b5 + k2; b5 = ((b5 << 19) | (b5 >> (64 - 19))) ^ b4;
b7 += k5 + 16; b6 += b7 + k4 + t2; b7 = ((b7 << 37) | (b7 >> (64 - 37))) ^ b6;
b2 += b1; b1 = ((b1 << 33) | (b1 >> (64 - 33))) ^ b2;
b4 += b7; b7 = ((b7 << 27) | (b7 >> (64 - 27))) ^ b4;
b6 += b5; b5 = ((b5 << 14) | (b5 >> (64 - 14))) ^ b6;
b0 += b3; b3 = ((b3 << 42) | (b3 >> (64 - 42))) ^ b0;
b4 += b1; b1 = ((b1 << 17) | (b1 >> (64 - 17))) ^ b4;
b6 += b3; b3 = ((b3 << 49) | (b3 >> (64 - 49))) ^ b6;
b0 += b5; b5 = ((b5 << 36) | (b5 >> (64 - 36))) ^ b0;
b2 += b7; b7 = ((b7 << 39) | (b7 >> (64 - 39))) ^ b2;
b6 += b1; b1 = ((b1 << 44) | (b1 >> (64 - 44))) ^ b6;
b0 += b7; b7 = ((b7 << 9) | (b7 >> (64 - 9))) ^ b0;
b2 += b5; b5 = ((b5 << 54) | (b5 >> (64 - 54))) ^ b2;
b4 += b3; b3 = ((b3 << 56) | (b3 >> (64 - 56))) ^ b4;
b1 += k0; b0 += b1 + k8; b1 = ((b1 << 39) | (b1 >> (64 - 39))) ^ b0;
b3 += k2; b2 += b3 + k1; b3 = ((b3 << 30) | (b3 >> (64 - 30))) ^ b2;
b5 += k4 + t2; b4 += b5 + k3; b5 = ((b5 << 34) | (b5 >> (64 - 34))) ^ b4;
b7 += k6 + 17; b6 += b7 + k5 + t0; b7 = ((b7 << 24) | (b7 >> (64 - 24))) ^ b6;
b2 += b1; b1 = ((b1 << 13) | (b1 >> (64 - 13))) ^ b2;
b4 += b7; b7 = ((b7 << 50) | (b7 >> (64 - 50))) ^ b4;
b6 += b5; b5 = ((b5 << 10) | (b5 >> (64 - 10))) ^ b6;
b0 += b3; b3 = ((b3 << 17) | (b3 >> (64 - 17))) ^ b0;
b4 += b1; b1 = ((b1 << 25) | (b1 >> (64 - 25))) ^ b4;
b6 += b3; b3 = ((b3 << 29) | (b3 >> (64 - 29))) ^ b6;
b0 += b5; b5 = ((b5 << 39) | (b5 >> (64 - 39))) ^ b0;
b2 += b7; b7 = ((b7 << 43) | (b7 >> (64 - 43))) ^ b2;
b6 += b1; b1 = ((b1 << 8) | (b1 >> (64 - 8))) ^ b6;
b0 += b7; b7 = ((b7 << 35) | (b7 >> (64 - 35))) ^ b0;
b2 += b5; b5 = ((b5 << 56) | (b5 >> (64 - 56))) ^ b2;
b4 += b3; b3 = ((b3 << 22) | (b3 >> (64 - 22))) ^ b4;
output[0] = b0 + k0;
output[1] = b1 + k1;
output[2] = b2 + k2;
output[3] = b3 + k3;
output[4] = b4 + k4;
output[5] = b5 + k5 + t0;
output[6] = b6 + k6 + t1;
output[7] = b7 + k7 + 18;
}
void threefishDecrypt512(struct threefish_key *keyCtx, u64 *input, u64 *output) void threefishDecrypt512(struct threefish_key *keyCtx, u64 *input, u64 *output)
{ {
u64 b0 = input[0], b1 = input[1],
u64 b0 = input[0], b1 = input[1], b2 = input[2], b3 = input[3],
b2 = input[2], b3 = input[3], b4 = input[4], b5 = input[5],
b4 = input[4], b5 = input[5], b6 = input[6], b7 = input[7];
b6 = input[6], b7 = input[7]; u64 k0 = keyCtx->key[0], k1 = keyCtx->key[1],
u64 k0 = keyCtx->key[0], k1 = keyCtx->key[1], k2 = keyCtx->key[2], k3 = keyCtx->key[3],
k2 = keyCtx->key[2], k3 = keyCtx->key[3], k4 = keyCtx->key[4], k5 = keyCtx->key[5],
k4 = keyCtx->key[4], k5 = keyCtx->key[5], k6 = keyCtx->key[6], k7 = keyCtx->key[7],
k6 = keyCtx->key[6], k7 = keyCtx->key[7], k8 = keyCtx->key[8];
k8 = keyCtx->key[8]; u64 t0 = keyCtx->tweak[0], t1 = keyCtx->tweak[1],
u64 t0 = keyCtx->tweak[0], t1 = keyCtx->tweak[1], t2 = keyCtx->tweak[2];
t2 = keyCtx->tweak[2];
u64 tmp; u64 tmp;
b0 -= k0; b0 -= k0;
b1 -= k1; b1 -= k1;
b2 -= k2; b2 -= k2;
b3 -= k3; b3 -= k3;
b4 -= k4; b4 -= k4;
b5 -= k5 + t0; b5 -= k5 + t0;
b6 -= k6 + t1; b6 -= k6 + t1;
b7 -= k7 + 18; b7 -= k7 + 18;
tmp = b3 ^ b4; b3 = (tmp >> 22) | (tmp << (64 - 22)); b4 -= b3; tmp = b3 ^ b4; b3 = (tmp >> 22) | (tmp << (64 - 22)); b4 -= b3;
tmp = b5 ^ b2; b5 = (tmp >> 56) | (tmp << (64 - 56)); b2 -= b5; tmp = b5 ^ b2; b5 = (tmp >> 56) | (tmp << (64 - 56)); b2 -= b5;
tmp = b7 ^ b0; b7 = (tmp >> 35) | (tmp << (64 - 35)); b0 -= b7; tmp = b7 ^ b0; b7 = (tmp >> 35) | (tmp << (64 - 35)); b0 -= b7;
tmp = b1 ^ b6; b1 = (tmp >> 8) | (tmp << (64 - 8)); b6 -= b1; tmp = b1 ^ b6; b1 = (tmp >> 8) | (tmp << (64 - 8)); b6 -= b1;
tmp = b7 ^ b2; b7 = (tmp >> 43) | (tmp << (64 - 43)); b2 -= b7; tmp = b7 ^ b2; b7 = (tmp >> 43) | (tmp << (64 - 43)); b2 -= b7;
tmp = b5 ^ b0; b5 = (tmp >> 39) | (tmp << (64 - 39)); b0 -= b5; tmp = b5 ^ b0; b5 = (tmp >> 39) | (tmp << (64 - 39)); b0 -= b5;
tmp = b3 ^ b6; b3 = (tmp >> 29) | (tmp << (64 - 29)); b6 -= b3; tmp = b3 ^ b6; b3 = (tmp >> 29) | (tmp << (64 - 29)); b6 -= b3;
tmp = b1 ^ b4; b1 = (tmp >> 25) | (tmp << (64 - 25)); b4 -= b1; tmp = b1 ^ b4; b1 = (tmp >> 25) | (tmp << (64 - 25)); b4 -= b1;
tmp = b3 ^ b0; b3 = (tmp >> 17) | (tmp << (64 - 17)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 17) | (tmp << (64 - 17)); b0 -= b3;
tmp = b5 ^ b6; b5 = (tmp >> 10) | (tmp << (64 - 10)); b6 -= b5; tmp = b5 ^ b6; b5 = (tmp >> 10) | (tmp << (64 - 10)); b6 -= b5;
tmp = b7 ^ b4; b7 = (tmp >> 50) | (tmp << (64 - 50)); b4 -= b7; tmp = b7 ^ b4; b7 = (tmp >> 50) | (tmp << (64 - 50)); b4 -= b7;
tmp = b1 ^ b2; b1 = (tmp >> 13) | (tmp << (64 - 13)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 13) | (tmp << (64 - 13)); b2 -= b1;
tmp = b7 ^ b6; b7 = (tmp >> 24) | (tmp << (64 - 24)); b6 -= b7 + k5 + t0; b7 -= k6 + 17; tmp = b7 ^ b6; b7 = (tmp >> 24) | (tmp << (64 - 24)); b6 -= b7 + k5 + t0; b7 -= k6 + 17;
tmp = b5 ^ b4; b5 = (tmp >> 34) | (tmp << (64 - 34)); b4 -= b5 + k3; b5 -= k4 + t2; tmp = b5 ^ b4; b5 = (tmp >> 34) | (tmp << (64 - 34)); b4 -= b5 + k3; b5 -= k4 + t2;
tmp = b3 ^ b2; b3 = (tmp >> 30) | (tmp << (64 - 30)); b2 -= b3 + k1; b3 -= k2; tmp = b3 ^ b2; b3 = (tmp >> 30) | (tmp << (64 - 30)); b2 -= b3 + k1; b3 -= k2;
tmp = b1 ^ b0; b1 = (tmp >> 39) | (tmp << (64 - 39)); b0 -= b1 + k8; b1 -= k0; tmp = b1 ^ b0; b1 = (tmp >> 39) | (tmp << (64 - 39)); b0 -= b1 + k8; b1 -= k0;
tmp = b3 ^ b4; b3 = (tmp >> 56) | (tmp << (64 - 56)); b4 -= b3; tmp = b3 ^ b4; b3 = (tmp >> 56) | (tmp << (64 - 56)); b4 -= b3;
tmp = b5 ^ b2; b5 = (tmp >> 54) | (tmp << (64 - 54)); b2 -= b5; tmp = b5 ^ b2; b5 = (tmp >> 54) | (tmp << (64 - 54)); b2 -= b5;
tmp = b7 ^ b0; b7 = (tmp >> 9) | (tmp << (64 - 9)); b0 -= b7; tmp = b7 ^ b0; b7 = (tmp >> 9) | (tmp << (64 - 9)); b0 -= b7;
tmp = b1 ^ b6; b1 = (tmp >> 44) | (tmp << (64 - 44)); b6 -= b1; tmp = b1 ^ b6; b1 = (tmp >> 44) | (tmp << (64 - 44)); b6 -= b1;
tmp = b7 ^ b2; b7 = (tmp >> 39) | (tmp << (64 - 39)); b2 -= b7; tmp = b7 ^ b2; b7 = (tmp >> 39) | (tmp << (64 - 39)); b2 -= b7;
tmp = b5 ^ b0; b5 = (tmp >> 36) | (tmp << (64 - 36)); b0 -= b5; tmp = b5 ^ b0; b5 = (tmp >> 36) | (tmp << (64 - 36)); b0 -= b5;
tmp = b3 ^ b6; b3 = (tmp >> 49) | (tmp << (64 - 49)); b6 -= b3; tmp = b3 ^ b6; b3 = (tmp >> 49) | (tmp << (64 - 49)); b6 -= b3;
tmp = b1 ^ b4; b1 = (tmp >> 17) | (tmp << (64 - 17)); b4 -= b1; tmp = b1 ^ b4; b1 = (tmp >> 17) | (tmp << (64 - 17)); b4 -= b1;
tmp = b3 ^ b0; b3 = (tmp >> 42) | (tmp << (64 - 42)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 42) | (tmp << (64 - 42)); b0 -= b3;
tmp = b5 ^ b6; b5 = (tmp >> 14) | (tmp << (64 - 14)); b6 -= b5; tmp = b5 ^ b6; b5 = (tmp >> 14) | (tmp << (64 - 14)); b6 -= b5;
tmp = b7 ^ b4; b7 = (tmp >> 27) | (tmp << (64 - 27)); b4 -= b7; tmp = b7 ^ b4; b7 = (tmp >> 27) | (tmp << (64 - 27)); b4 -= b7;
tmp = b1 ^ b2; b1 = (tmp >> 33) | (tmp << (64 - 33)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 33) | (tmp << (64 - 33)); b2 -= b1;
tmp = b7 ^ b6; b7 = (tmp >> 37) | (tmp << (64 - 37)); b6 -= b7 + k4 + t2; b7 -= k5 + 16; tmp = b7 ^ b6; b7 = (tmp >> 37) | (tmp << (64 - 37)); b6 -= b7 + k4 + t2; b7 -= k5 + 16;
tmp = b5 ^ b4; b5 = (tmp >> 19) | (tmp << (64 - 19)); b4 -= b5 + k2; b5 -= k3 + t1; tmp = b5 ^ b4; b5 = (tmp >> 19) | (tmp << (64 - 19)); b4 -= b5 + k2; b5 -= k3 + t1;
tmp = b3 ^ b2; b3 = (tmp >> 36) | (tmp << (64 - 36)); b2 -= b3 + k0; b3 -= k1; tmp = b3 ^ b2; b3 = (tmp >> 36) | (tmp << (64 - 36)); b2 -= b3 + k0; b3 -= k1;
tmp = b1 ^ b0; b1 = (tmp >> 46) | (tmp << (64 - 46)); b0 -= b1 + k7; b1 -= k8; tmp = b1 ^ b0; b1 = (tmp >> 46) | (tmp << (64 - 46)); b0 -= b1 + k7; b1 -= k8;
tmp = b3 ^ b4; b3 = (tmp >> 22) | (tmp << (64 - 22)); b4 -= b3; tmp = b3 ^ b4; b3 = (tmp >> 22) | (tmp << (64 - 22)); b4 -= b3;
tmp = b5 ^ b2; b5 = (tmp >> 56) | (tmp << (64 - 56)); b2 -= b5; tmp = b5 ^ b2; b5 = (tmp >> 56) | (tmp << (64 - 56)); b2 -= b5;
tmp = b7 ^ b0; b7 = (tmp >> 35) | (tmp << (64 - 35)); b0 -= b7; tmp = b7 ^ b0; b7 = (tmp >> 35) | (tmp << (64 - 35)); b0 -= b7;
tmp = b1 ^ b6; b1 = (tmp >> 8) | (tmp << (64 - 8)); b6 -= b1; tmp = b1 ^ b6; b1 = (tmp >> 8) | (tmp << (64 - 8)); b6 -= b1;
tmp = b7 ^ b2; b7 = (tmp >> 43) | (tmp << (64 - 43)); b2 -= b7; tmp = b7 ^ b2; b7 = (tmp >> 43) | (tmp << (64 - 43)); b2 -= b7;
tmp = b5 ^ b0; b5 = (tmp >> 39) | (tmp << (64 - 39)); b0 -= b5; tmp = b5 ^ b0; b5 = (tmp >> 39) | (tmp << (64 - 39)); b0 -= b5;
tmp = b3 ^ b6; b3 = (tmp >> 29) | (tmp << (64 - 29)); b6 -= b3; tmp = b3 ^ b6; b3 = (tmp >> 29) | (tmp << (64 - 29)); b6 -= b3;
tmp = b1 ^ b4; b1 = (tmp >> 25) | (tmp << (64 - 25)); b4 -= b1; tmp = b1 ^ b4; b1 = (tmp >> 25) | (tmp << (64 - 25)); b4 -= b1;
tmp = b3 ^ b0; b3 = (tmp >> 17) | (tmp << (64 - 17)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 17) | (tmp << (64 - 17)); b0 -= b3;
tmp = b5 ^ b6; b5 = (tmp >> 10) | (tmp << (64 - 10)); b6 -= b5; tmp = b5 ^ b6; b5 = (tmp >> 10) | (tmp << (64 - 10)); b6 -= b5;
tmp = b7 ^ b4; b7 = (tmp >> 50) | (tmp << (64 - 50)); b4 -= b7; tmp = b7 ^ b4; b7 = (tmp >> 50) | (tmp << (64 - 50)); b4 -= b7;
tmp = b1 ^ b2; b1 = (tmp >> 13) | (tmp << (64 - 13)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 13) | (tmp << (64 - 13)); b2 -= b1;
tmp = b7 ^ b6; b7 = (tmp >> 24) | (tmp << (64 - 24)); b6 -= b7 + k3 + t1; b7 -= k4 + 15; tmp = b7 ^ b6; b7 = (tmp >> 24) | (tmp << (64 - 24)); b6 -= b7 + k3 + t1; b7 -= k4 + 15;
tmp = b5 ^ b4; b5 = (tmp >> 34) | (tmp << (64 - 34)); b4 -= b5 + k1; b5 -= k2 + t0; tmp = b5 ^ b4; b5 = (tmp >> 34) | (tmp << (64 - 34)); b4 -= b5 + k1; b5 -= k2 + t0;
tmp = b3 ^ b2; b3 = (tmp >> 30) | (tmp << (64 - 30)); b2 -= b3 + k8; b3 -= k0; tmp = b3 ^ b2; b3 = (tmp >> 30) | (tmp << (64 - 30)); b2 -= b3 + k8; b3 -= k0;
tmp = b1 ^ b0; b1 = (tmp >> 39) | (tmp << (64 - 39)); b0 -= b1 + k6; b1 -= k7; tmp = b1 ^ b0; b1 = (tmp >> 39) | (tmp << (64 - 39)); b0 -= b1 + k6; b1 -= k7;
tmp = b3 ^ b4; b3 = (tmp >> 56) | (tmp << (64 - 56)); b4 -= b3; tmp = b3 ^ b4; b3 = (tmp >> 56) | (tmp << (64 - 56)); b4 -= b3;
tmp = b5 ^ b2; b5 = (tmp >> 54) | (tmp << (64 - 54)); b2 -= b5; tmp = b5 ^ b2; b5 = (tmp >> 54) | (tmp << (64 - 54)); b2 -= b5;
tmp = b7 ^ b0; b7 = (tmp >> 9) | (tmp << (64 - 9)); b0 -= b7; tmp = b7 ^ b0; b7 = (tmp >> 9) | (tmp << (64 - 9)); b0 -= b7;
tmp = b1 ^ b6; b1 = (tmp >> 44) | (tmp << (64 - 44)); b6 -= b1; tmp = b1 ^ b6; b1 = (tmp >> 44) | (tmp << (64 - 44)); b6 -= b1;
tmp = b7 ^ b2; b7 = (tmp >> 39) | (tmp << (64 - 39)); b2 -= b7; tmp = b7 ^ b2; b7 = (tmp >> 39) | (tmp << (64 - 39)); b2 -= b7;
tmp = b5 ^ b0; b5 = (tmp >> 36) | (tmp << (64 - 36)); b0 -= b5; tmp = b5 ^ b0; b5 = (tmp >> 36) | (tmp << (64 - 36)); b0 -= b5;
tmp = b3 ^ b6; b3 = (tmp >> 49) | (tmp << (64 - 49)); b6 -= b3; tmp = b3 ^ b6; b3 = (tmp >> 49) | (tmp << (64 - 49)); b6 -= b3;
tmp = b1 ^ b4; b1 = (tmp >> 17) | (tmp << (64 - 17)); b4 -= b1; tmp = b1 ^ b4; b1 = (tmp >> 17) | (tmp << (64 - 17)); b4 -= b1;
tmp = b3 ^ b0; b3 = (tmp >> 42) | (tmp << (64 - 42)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 42) | (tmp << (64 - 42)); b0 -= b3;
tmp = b5 ^ b6; b5 = (tmp >> 14) | (tmp << (64 - 14)); b6 -= b5; tmp = b5 ^ b6; b5 = (tmp >> 14) | (tmp << (64 - 14)); b6 -= b5;
tmp = b7 ^ b4; b7 = (tmp >> 27) | (tmp << (64 - 27)); b4 -= b7; tmp = b7 ^ b4; b7 = (tmp >> 27) | (tmp << (64 - 27)); b4 -= b7;
tmp = b1 ^ b2; b1 = (tmp >> 33) | (tmp << (64 - 33)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 33) | (tmp << (64 - 33)); b2 -= b1;
tmp = b7 ^ b6; b7 = (tmp >> 37) | (tmp << (64 - 37)); b6 -= b7 + k2 + t0; b7 -= k3 + 14; tmp = b7 ^ b6; b7 = (tmp >> 37) | (tmp << (64 - 37)); b6 -= b7 + k2 + t0; b7 -= k3 + 14;
tmp = b5 ^ b4; b5 = (tmp >> 19) | (tmp << (64 - 19)); b4 -= b5 + k0; b5 -= k1 + t2; tmp = b5 ^ b4; b5 = (tmp >> 19) | (tmp << (64 - 19)); b4 -= b5 + k0; b5 -= k1 + t2;
tmp = b3 ^ b2; b3 = (tmp >> 36) | (tmp << (64 - 36)); b2 -= b3 + k7; b3 -= k8; tmp = b3 ^ b2; b3 = (tmp >> 36) | (tmp << (64 - 36)); b2 -= b3 + k7; b3 -= k8;
tmp = b1 ^ b0; b1 = (tmp >> 46) | (tmp << (64 - 46)); b0 -= b1 + k5; b1 -= k6; tmp = b1 ^ b0; b1 = (tmp >> 46) | (tmp << (64 - 46)); b0 -= b1 + k5; b1 -= k6;
tmp = b3 ^ b4; b3 = (tmp >> 22) | (tmp << (64 - 22)); b4 -= b3; tmp = b3 ^ b4; b3 = (tmp >> 22) | (tmp << (64 - 22)); b4 -= b3;
tmp = b5 ^ b2; b5 = (tmp >> 56) | (tmp << (64 - 56)); b2 -= b5; tmp = b5 ^ b2; b5 = (tmp >> 56) | (tmp << (64 - 56)); b2 -= b5;
tmp = b7 ^ b0; b7 = (tmp >> 35) | (tmp << (64 - 35)); b0 -= b7; tmp = b7 ^ b0; b7 = (tmp >> 35) | (tmp << (64 - 35)); b0 -= b7;
tmp = b1 ^ b6; b1 = (tmp >> 8) | (tmp << (64 - 8)); b6 -= b1; tmp = b1 ^ b6; b1 = (tmp >> 8) | (tmp << (64 - 8)); b6 -= b1;
tmp = b7 ^ b2; b7 = (tmp >> 43) | (tmp << (64 - 43)); b2 -= b7; tmp = b7 ^ b2; b7 = (tmp >> 43) | (tmp << (64 - 43)); b2 -= b7;
tmp = b5 ^ b0; b5 = (tmp >> 39) | (tmp << (64 - 39)); b0 -= b5; tmp = b5 ^ b0; b5 = (tmp >> 39) | (tmp << (64 - 39)); b0 -= b5;
tmp = b3 ^ b6; b3 = (tmp >> 29) | (tmp << (64 - 29)); b6 -= b3; tmp = b3 ^ b6; b3 = (tmp >> 29) | (tmp << (64 - 29)); b6 -= b3;
tmp = b1 ^ b4; b1 = (tmp >> 25) | (tmp << (64 - 25)); b4 -= b1; tmp = b1 ^ b4; b1 = (tmp >> 25) | (tmp << (64 - 25)); b4 -= b1;
tmp = b3 ^ b0; b3 = (tmp >> 17) | (tmp << (64 - 17)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 17) | (tmp << (64 - 17)); b0 -= b3;
tmp = b5 ^ b6; b5 = (tmp >> 10) | (tmp << (64 - 10)); b6 -= b5; tmp = b5 ^ b6; b5 = (tmp >> 10) | (tmp << (64 - 10)); b6 -= b5;
tmp = b7 ^ b4; b7 = (tmp >> 50) | (tmp << (64 - 50)); b4 -= b7; tmp = b7 ^ b4; b7 = (tmp >> 50) | (tmp << (64 - 50)); b4 -= b7;
tmp = b1 ^ b2; b1 = (tmp >> 13) | (tmp << (64 - 13)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 13) | (tmp << (64 - 13)); b2 -= b1;
tmp = b7 ^ b6; b7 = (tmp >> 24) | (tmp << (64 - 24)); b6 -= b7 + k1 + t2; b7 -= k2 + 13; tmp = b7 ^ b6; b7 = (tmp >> 24) | (tmp << (64 - 24)); b6 -= b7 + k1 + t2; b7 -= k2 + 13;
tmp = b5 ^ b4; b5 = (tmp >> 34) | (tmp << (64 - 34)); b4 -= b5 + k8; b5 -= k0 + t1; tmp = b5 ^ b4; b5 = (tmp >> 34) | (tmp << (64 - 34)); b4 -= b5 + k8; b5 -= k0 + t1;
tmp = b3 ^ b2; b3 = (tmp >> 30) | (tmp << (64 - 30)); b2 -= b3 + k6; b3 -= k7; tmp = b3 ^ b2; b3 = (tmp >> 30) | (tmp << (64 - 30)); b2 -= b3 + k6; b3 -= k7;
tmp = b1 ^ b0; b1 = (tmp >> 39) | (tmp << (64 - 39)); b0 -= b1 + k4; b1 -= k5; tmp = b1 ^ b0; b1 = (tmp >> 39) | (tmp << (64 - 39)); b0 -= b1 + k4; b1 -= k5;
tmp = b3 ^ b4; b3 = (tmp >> 56) | (tmp << (64 - 56)); b4 -= b3; tmp = b3 ^ b4; b3 = (tmp >> 56) | (tmp << (64 - 56)); b4 -= b3;
tmp = b5 ^ b2; b5 = (tmp >> 54) | (tmp << (64 - 54)); b2 -= b5; tmp = b5 ^ b2; b5 = (tmp >> 54) | (tmp << (64 - 54)); b2 -= b5;
tmp = b7 ^ b0; b7 = (tmp >> 9) | (tmp << (64 - 9)); b0 -= b7; tmp = b7 ^ b0; b7 = (tmp >> 9) | (tmp << (64 - 9)); b0 -= b7;
tmp = b1 ^ b6; b1 = (tmp >> 44) | (tmp << (64 - 44)); b6 -= b1; tmp = b1 ^ b6; b1 = (tmp >> 44) | (tmp << (64 - 44)); b6 -= b1;
tmp = b7 ^ b2; b7 = (tmp >> 39) | (tmp << (64 - 39)); b2 -= b7; tmp = b7 ^ b2; b7 = (tmp >> 39) | (tmp << (64 - 39)); b2 -= b7;
tmp = b5 ^ b0; b5 = (tmp >> 36) | (tmp << (64 - 36)); b0 -= b5; tmp = b5 ^ b0; b5 = (tmp >> 36) | (tmp << (64 - 36)); b0 -= b5;
tmp = b3 ^ b6; b3 = (tmp >> 49) | (tmp << (64 - 49)); b6 -= b3; tmp = b3 ^ b6; b3 = (tmp >> 49) | (tmp << (64 - 49)); b6 -= b3;
tmp = b1 ^ b4; b1 = (tmp >> 17) | (tmp << (64 - 17)); b4 -= b1; tmp = b1 ^ b4; b1 = (tmp >> 17) | (tmp << (64 - 17)); b4 -= b1;
tmp = b3 ^ b0; b3 = (tmp >> 42) | (tmp << (64 - 42)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 42) | (tmp << (64 - 42)); b0 -= b3;
tmp = b5 ^ b6; b5 = (tmp >> 14) | (tmp << (64 - 14)); b6 -= b5; tmp = b5 ^ b6; b5 = (tmp >> 14) | (tmp << (64 - 14)); b6 -= b5;
tmp = b7 ^ b4; b7 = (tmp >> 27) | (tmp << (64 - 27)); b4 -= b7; tmp = b7 ^ b4; b7 = (tmp >> 27) | (tmp << (64 - 27)); b4 -= b7;
tmp = b1 ^ b2; b1 = (tmp >> 33) | (tmp << (64 - 33)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 33) | (tmp << (64 - 33)); b2 -= b1;
tmp = b7 ^ b6; b7 = (tmp >> 37) | (tmp << (64 - 37)); b6 -= b7 + k0 + t1; b7 -= k1 + 12; tmp = b7 ^ b6; b7 = (tmp >> 37) | (tmp << (64 - 37)); b6 -= b7 + k0 + t1; b7 -= k1 + 12;
tmp = b5 ^ b4; b5 = (tmp >> 19) | (tmp << (64 - 19)); b4 -= b5 + k7; b5 -= k8 + t0; tmp = b5 ^ b4; b5 = (tmp >> 19) | (tmp << (64 - 19)); b4 -= b5 + k7; b5 -= k8 + t0;
tmp = b3 ^ b2; b3 = (tmp >> 36) | (tmp << (64 - 36)); b2 -= b3 + k5; b3 -= k6; tmp = b3 ^ b2; b3 = (tmp >> 36) | (tmp << (64 - 36)); b2 -= b3 + k5; b3 -= k6;
tmp = b1 ^ b0; b1 = (tmp >> 46) | (tmp << (64 - 46)); b0 -= b1 + k3; b1 -= k4; tmp = b1 ^ b0; b1 = (tmp >> 46) | (tmp << (64 - 46)); b0 -= b1 + k3; b1 -= k4;
tmp = b3 ^ b4; b3 = (tmp >> 22) | (tmp << (64 - 22)); b4 -= b3; tmp = b3 ^ b4; b3 = (tmp >> 22) | (tmp << (64 - 22)); b4 -= b3;
tmp = b5 ^ b2; b5 = (tmp >> 56) | (tmp << (64 - 56)); b2 -= b5; tmp = b5 ^ b2; b5 = (tmp >> 56) | (tmp << (64 - 56)); b2 -= b5;
tmp = b7 ^ b0; b7 = (tmp >> 35) | (tmp << (64 - 35)); b0 -= b7; tmp = b7 ^ b0; b7 = (tmp >> 35) | (tmp << (64 - 35)); b0 -= b7;
tmp = b1 ^ b6; b1 = (tmp >> 8) | (tmp << (64 - 8)); b6 -= b1; tmp = b1 ^ b6; b1 = (tmp >> 8) | (tmp << (64 - 8)); b6 -= b1;
tmp = b7 ^ b2; b7 = (tmp >> 43) | (tmp << (64 - 43)); b2 -= b7; tmp = b7 ^ b2; b7 = (tmp >> 43) | (tmp << (64 - 43)); b2 -= b7;
tmp = b5 ^ b0; b5 = (tmp >> 39) | (tmp << (64 - 39)); b0 -= b5; tmp = b5 ^ b0; b5 = (tmp >> 39) | (tmp << (64 - 39)); b0 -= b5;
tmp = b3 ^ b6; b3 = (tmp >> 29) | (tmp << (64 - 29)); b6 -= b3; tmp = b3 ^ b6; b3 = (tmp >> 29) | (tmp << (64 - 29)); b6 -= b3;
tmp = b1 ^ b4; b1 = (tmp >> 25) | (tmp << (64 - 25)); b4 -= b1; tmp = b1 ^ b4; b1 = (tmp >> 25) | (tmp << (64 - 25)); b4 -= b1;
tmp = b3 ^ b0; b3 = (tmp >> 17) | (tmp << (64 - 17)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 17) | (tmp << (64 - 17)); b0 -= b3;
tmp = b5 ^ b6; b5 = (tmp >> 10) | (tmp << (64 - 10)); b6 -= b5; tmp = b5 ^ b6; b5 = (tmp >> 10) | (tmp << (64 - 10)); b6 -= b5;
tmp = b7 ^ b4; b7 = (tmp >> 50) | (tmp << (64 - 50)); b4 -= b7; tmp = b7 ^ b4; b7 = (tmp >> 50) | (tmp << (64 - 50)); b4 -= b7;
tmp = b1 ^ b2; b1 = (tmp >> 13) | (tmp << (64 - 13)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 13) | (tmp << (64 - 13)); b2 -= b1;
tmp = b7 ^ b6; b7 = (tmp >> 24) | (tmp << (64 - 24)); b6 -= b7 + k8 + t0; b7 -= k0 + 11; tmp = b7 ^ b6; b7 = (tmp >> 24) | (tmp << (64 - 24)); b6 -= b7 + k8 + t0; b7 -= k0 + 11;
tmp = b5 ^ b4; b5 = (tmp >> 34) | (tmp << (64 - 34)); b4 -= b5 + k6; b5 -= k7 + t2; tmp = b5 ^ b4; b5 = (tmp >> 34) | (tmp << (64 - 34)); b4 -= b5 + k6; b5 -= k7 + t2;
tmp = b3 ^ b2; b3 = (tmp >> 30) | (tmp << (64 - 30)); b2 -= b3 + k4; b3 -= k5; tmp = b3 ^ b2; b3 = (tmp >> 30) | (tmp << (64 - 30)); b2 -= b3 + k4; b3 -= k5;
tmp = b1 ^ b0; b1 = (tmp >> 39) | (tmp << (64 - 39)); b0 -= b1 + k2; b1 -= k3; tmp = b1 ^ b0; b1 = (tmp >> 39) | (tmp << (64 - 39)); b0 -= b1 + k2; b1 -= k3;
tmp = b3 ^ b4; b3 = (tmp >> 56) | (tmp << (64 - 56)); b4 -= b3; tmp = b3 ^ b4; b3 = (tmp >> 56) | (tmp << (64 - 56)); b4 -= b3;
tmp = b5 ^ b2; b5 = (tmp >> 54) | (tmp << (64 - 54)); b2 -= b5; tmp = b5 ^ b2; b5 = (tmp >> 54) | (tmp << (64 - 54)); b2 -= b5;
tmp = b7 ^ b0; b7 = (tmp >> 9) | (tmp << (64 - 9)); b0 -= b7; tmp = b7 ^ b0; b7 = (tmp >> 9) | (tmp << (64 - 9)); b0 -= b7;
tmp = b1 ^ b6; b1 = (tmp >> 44) | (tmp << (64 - 44)); b6 -= b1; tmp = b1 ^ b6; b1 = (tmp >> 44) | (tmp << (64 - 44)); b6 -= b1;
tmp = b7 ^ b2; b7 = (tmp >> 39) | (tmp << (64 - 39)); b2 -= b7; tmp = b7 ^ b2; b7 = (tmp >> 39) | (tmp << (64 - 39)); b2 -= b7;
tmp = b5 ^ b0; b5 = (tmp >> 36) | (tmp << (64 - 36)); b0 -= b5; tmp = b5 ^ b0; b5 = (tmp >> 36) | (tmp << (64 - 36)); b0 -= b5;
tmp = b3 ^ b6; b3 = (tmp >> 49) | (tmp << (64 - 49)); b6 -= b3; tmp = b3 ^ b6; b3 = (tmp >> 49) | (tmp << (64 - 49)); b6 -= b3;
tmp = b1 ^ b4; b1 = (tmp >> 17) | (tmp << (64 - 17)); b4 -= b1; tmp = b1 ^ b4; b1 = (tmp >> 17) | (tmp << (64 - 17)); b4 -= b1;
tmp = b3 ^ b0; b3 = (tmp >> 42) | (tmp << (64 - 42)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 42) | (tmp << (64 - 42)); b0 -= b3;
tmp = b5 ^ b6; b5 = (tmp >> 14) | (tmp << (64 - 14)); b6 -= b5; tmp = b5 ^ b6; b5 = (tmp >> 14) | (tmp << (64 - 14)); b6 -= b5;
tmp = b7 ^ b4; b7 = (tmp >> 27) | (tmp << (64 - 27)); b4 -= b7; tmp = b7 ^ b4; b7 = (tmp >> 27) | (tmp << (64 - 27)); b4 -= b7;
tmp = b1 ^ b2; b1 = (tmp >> 33) | (tmp << (64 - 33)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 33) | (tmp << (64 - 33)); b2 -= b1;
tmp = b7 ^ b6; b7 = (tmp >> 37) | (tmp << (64 - 37)); b6 -= b7 + k7 + t2; b7 -= k8 + 10; tmp = b7 ^ b6; b7 = (tmp >> 37) | (tmp << (64 - 37)); b6 -= b7 + k7 + t2; b7 -= k8 + 10;
tmp = b5 ^ b4; b5 = (tmp >> 19) | (tmp << (64 - 19)); b4 -= b5 + k5; b5 -= k6 + t1; tmp = b5 ^ b4; b5 = (tmp >> 19) | (tmp << (64 - 19)); b4 -= b5 + k5; b5 -= k6 + t1;
tmp = b3 ^ b2; b3 = (tmp >> 36) | (tmp << (64 - 36)); b2 -= b3 + k3; b3 -= k4; tmp = b3 ^ b2; b3 = (tmp >> 36) | (tmp << (64 - 36)); b2 -= b3 + k3; b3 -= k4;
tmp = b1 ^ b0; b1 = (tmp >> 46) | (tmp << (64 - 46)); b0 -= b1 + k1; b1 -= k2; tmp = b1 ^ b0; b1 = (tmp >> 46) | (tmp << (64 - 46)); b0 -= b1 + k1; b1 -= k2;
tmp = b3 ^ b4; b3 = (tmp >> 22) | (tmp << (64 - 22)); b4 -= b3; tmp = b3 ^ b4; b3 = (tmp >> 22) | (tmp << (64 - 22)); b4 -= b3;
tmp = b5 ^ b2; b5 = (tmp >> 56) | (tmp << (64 - 56)); b2 -= b5; tmp = b5 ^ b2; b5 = (tmp >> 56) | (tmp << (64 - 56)); b2 -= b5;
tmp = b7 ^ b0; b7 = (tmp >> 35) | (tmp << (64 - 35)); b0 -= b7; tmp = b7 ^ b0; b7 = (tmp >> 35) | (tmp << (64 - 35)); b0 -= b7;
tmp = b1 ^ b6; b1 = (tmp >> 8) | (tmp << (64 - 8)); b6 -= b1; tmp = b1 ^ b6; b1 = (tmp >> 8) | (tmp << (64 - 8)); b6 -= b1;
tmp = b7 ^ b2; b7 = (tmp >> 43) | (tmp << (64 - 43)); b2 -= b7; tmp = b7 ^ b2; b7 = (tmp >> 43) | (tmp << (64 - 43)); b2 -= b7;
tmp = b5 ^ b0; b5 = (tmp >> 39) | (tmp << (64 - 39)); b0 -= b5; tmp = b5 ^ b0; b5 = (tmp >> 39) | (tmp << (64 - 39)); b0 -= b5;
tmp = b3 ^ b6; b3 = (tmp >> 29) | (tmp << (64 - 29)); b6 -= b3; tmp = b3 ^ b6; b3 = (tmp >> 29) | (tmp << (64 - 29)); b6 -= b3;
tmp = b1 ^ b4; b1 = (tmp >> 25) | (tmp << (64 - 25)); b4 -= b1; tmp = b1 ^ b4; b1 = (tmp >> 25) | (tmp << (64 - 25)); b4 -= b1;
tmp = b3 ^ b0; b3 = (tmp >> 17) | (tmp << (64 - 17)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 17) | (tmp << (64 - 17)); b0 -= b3;
tmp = b5 ^ b6; b5 = (tmp >> 10) | (tmp << (64 - 10)); b6 -= b5; tmp = b5 ^ b6; b5 = (tmp >> 10) | (tmp << (64 - 10)); b6 -= b5;
tmp = b7 ^ b4; b7 = (tmp >> 50) | (tmp << (64 - 50)); b4 -= b7; tmp = b7 ^ b4; b7 = (tmp >> 50) | (tmp << (64 - 50)); b4 -= b7;
tmp = b1 ^ b2; b1 = (tmp >> 13) | (tmp << (64 - 13)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 13) | (tmp << (64 - 13)); b2 -= b1;
tmp = b7 ^ b6; b7 = (tmp >> 24) | (tmp << (64 - 24)); b6 -= b7 + k6 + t1; b7 -= k7 + 9; tmp = b7 ^ b6; b7 = (tmp >> 24) | (tmp << (64 - 24)); b6 -= b7 + k6 + t1; b7 -= k7 + 9;
tmp = b5 ^ b4; b5 = (tmp >> 34) | (tmp << (64 - 34)); b4 -= b5 + k4; b5 -= k5 + t0; tmp = b5 ^ b4; b5 = (tmp >> 34) | (tmp << (64 - 34)); b4 -= b5 + k4; b5 -= k5 + t0;
tmp = b3 ^ b2; b3 = (tmp >> 30) | (tmp << (64 - 30)); b2 -= b3 + k2; b3 -= k3; tmp = b3 ^ b2; b3 = (tmp >> 30) | (tmp << (64 - 30)); b2 -= b3 + k2; b3 -= k3;
tmp = b1 ^ b0; b1 = (tmp >> 39) | (tmp << (64 - 39)); b0 -= b1 + k0; b1 -= k1; tmp = b1 ^ b0; b1 = (tmp >> 39) | (tmp << (64 - 39)); b0 -= b1 + k0; b1 -= k1;
tmp = b3 ^ b4; b3 = (tmp >> 56) | (tmp << (64 - 56)); b4 -= b3; tmp = b3 ^ b4; b3 = (tmp >> 56) | (tmp << (64 - 56)); b4 -= b3;
tmp = b5 ^ b2; b5 = (tmp >> 54) | (tmp << (64 - 54)); b2 -= b5; tmp = b5 ^ b2; b5 = (tmp >> 54) | (tmp << (64 - 54)); b2 -= b5;
tmp = b7 ^ b0; b7 = (tmp >> 9) | (tmp << (64 - 9)); b0 -= b7; tmp = b7 ^ b0; b7 = (tmp >> 9) | (tmp << (64 - 9)); b0 -= b7;
tmp = b1 ^ b6; b1 = (tmp >> 44) | (tmp << (64 - 44)); b6 -= b1; tmp = b1 ^ b6; b1 = (tmp >> 44) | (tmp << (64 - 44)); b6 -= b1;
tmp = b7 ^ b2; b7 = (tmp >> 39) | (tmp << (64 - 39)); b2 -= b7; tmp = b7 ^ b2; b7 = (tmp >> 39) | (tmp << (64 - 39)); b2 -= b7;
tmp = b5 ^ b0; b5 = (tmp >> 36) | (tmp << (64 - 36)); b0 -= b5; tmp = b5 ^ b0; b5 = (tmp >> 36) | (tmp << (64 - 36)); b0 -= b5;
tmp = b3 ^ b6; b3 = (tmp >> 49) | (tmp << (64 - 49)); b6 -= b3; tmp = b3 ^ b6; b3 = (tmp >> 49) | (tmp << (64 - 49)); b6 -= b3;
tmp = b1 ^ b4; b1 = (tmp >> 17) | (tmp << (64 - 17)); b4 -= b1; tmp = b1 ^ b4; b1 = (tmp >> 17) | (tmp << (64 - 17)); b4 -= b1;
tmp = b3 ^ b0; b3 = (tmp >> 42) | (tmp << (64 - 42)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 42) | (tmp << (64 - 42)); b0 -= b3;
tmp = b5 ^ b6; b5 = (tmp >> 14) | (tmp << (64 - 14)); b6 -= b5; tmp = b5 ^ b6; b5 = (tmp >> 14) | (tmp << (64 - 14)); b6 -= b5;
tmp = b7 ^ b4; b7 = (tmp >> 27) | (tmp << (64 - 27)); b4 -= b7; tmp = b7 ^ b4; b7 = (tmp >> 27) | (tmp << (64 - 27)); b4 -= b7;
tmp = b1 ^ b2; b1 = (tmp >> 33) | (tmp << (64 - 33)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 33) | (tmp << (64 - 33)); b2 -= b1;
tmp = b7 ^ b6; b7 = (tmp >> 37) | (tmp << (64 - 37)); b6 -= b7 + k5 + t0; b7 -= k6 + 8; tmp = b7 ^ b6; b7 = (tmp >> 37) | (tmp << (64 - 37)); b6 -= b7 + k5 + t0; b7 -= k6 + 8;
tmp = b5 ^ b4; b5 = (tmp >> 19) | (tmp << (64 - 19)); b4 -= b5 + k3; b5 -= k4 + t2; tmp = b5 ^ b4; b5 = (tmp >> 19) | (tmp << (64 - 19)); b4 -= b5 + k3; b5 -= k4 + t2;
tmp = b3 ^ b2; b3 = (tmp >> 36) | (tmp << (64 - 36)); b2 -= b3 + k1; b3 -= k2; tmp = b3 ^ b2; b3 = (tmp >> 36) | (tmp << (64 - 36)); b2 -= b3 + k1; b3 -= k2;
tmp = b1 ^ b0; b1 = (tmp >> 46) | (tmp << (64 - 46)); b0 -= b1 + k8; b1 -= k0; tmp = b1 ^ b0; b1 = (tmp >> 46) | (tmp << (64 - 46)); b0 -= b1 + k8; b1 -= k0;
tmp = b3 ^ b4; b3 = (tmp >> 22) | (tmp << (64 - 22)); b4 -= b3; tmp = b3 ^ b4; b3 = (tmp >> 22) | (tmp << (64 - 22)); b4 -= b3;
tmp = b5 ^ b2; b5 = (tmp >> 56) | (tmp << (64 - 56)); b2 -= b5; tmp = b5 ^ b2; b5 = (tmp >> 56) | (tmp << (64 - 56)); b2 -= b5;
tmp = b7 ^ b0; b7 = (tmp >> 35) | (tmp << (64 - 35)); b0 -= b7; tmp = b7 ^ b0; b7 = (tmp >> 35) | (tmp << (64 - 35)); b0 -= b7;
tmp = b1 ^ b6; b1 = (tmp >> 8) | (tmp << (64 - 8)); b6 -= b1; tmp = b1 ^ b6; b1 = (tmp >> 8) | (tmp << (64 - 8)); b6 -= b1;
tmp = b7 ^ b2; b7 = (tmp >> 43) | (tmp << (64 - 43)); b2 -= b7; tmp = b7 ^ b2; b7 = (tmp >> 43) | (tmp << (64 - 43)); b2 -= b7;
tmp = b5 ^ b0; b5 = (tmp >> 39) | (tmp << (64 - 39)); b0 -= b5; tmp = b5 ^ b0; b5 = (tmp >> 39) | (tmp << (64 - 39)); b0 -= b5;
tmp = b3 ^ b6; b3 = (tmp >> 29) | (tmp << (64 - 29)); b6 -= b3; tmp = b3 ^ b6; b3 = (tmp >> 29) | (tmp << (64 - 29)); b6 -= b3;
tmp = b1 ^ b4; b1 = (tmp >> 25) | (tmp << (64 - 25)); b4 -= b1; tmp = b1 ^ b4; b1 = (tmp >> 25) | (tmp << (64 - 25)); b4 -= b1;
tmp = b3 ^ b0; b3 = (tmp >> 17) | (tmp << (64 - 17)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 17) | (tmp << (64 - 17)); b0 -= b3;
tmp = b5 ^ b6; b5 = (tmp >> 10) | (tmp << (64 - 10)); b6 -= b5; tmp = b5 ^ b6; b5 = (tmp >> 10) | (tmp << (64 - 10)); b6 -= b5;
tmp = b7 ^ b4; b7 = (tmp >> 50) | (tmp << (64 - 50)); b4 -= b7; tmp = b7 ^ b4; b7 = (tmp >> 50) | (tmp << (64 - 50)); b4 -= b7;
tmp = b1 ^ b2; b1 = (tmp >> 13) | (tmp << (64 - 13)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 13) | (tmp << (64 - 13)); b2 -= b1;
tmp = b7 ^ b6; b7 = (tmp >> 24) | (tmp << (64 - 24)); b6 -= b7 + k4 + t2; b7 -= k5 + 7; tmp = b7 ^ b6; b7 = (tmp >> 24) | (tmp << (64 - 24)); b6 -= b7 + k4 + t2; b7 -= k5 + 7;
tmp = b5 ^ b4; b5 = (tmp >> 34) | (tmp << (64 - 34)); b4 -= b5 + k2; b5 -= k3 + t1; tmp = b5 ^ b4; b5 = (tmp >> 34) | (tmp << (64 - 34)); b4 -= b5 + k2; b5 -= k3 + t1;
tmp = b3 ^ b2; b3 = (tmp >> 30) | (tmp << (64 - 30)); b2 -= b3 + k0; b3 -= k1; tmp = b3 ^ b2; b3 = (tmp >> 30) | (tmp << (64 - 30)); b2 -= b3 + k0; b3 -= k1;
tmp = b1 ^ b0; b1 = (tmp >> 39) | (tmp << (64 - 39)); b0 -= b1 + k7; b1 -= k8; tmp = b1 ^ b0; b1 = (tmp >> 39) | (tmp << (64 - 39)); b0 -= b1 + k7; b1 -= k8;
tmp = b3 ^ b4; b3 = (tmp >> 56) | (tmp << (64 - 56)); b4 -= b3; tmp = b3 ^ b4; b3 = (tmp >> 56) | (tmp << (64 - 56)); b4 -= b3;
tmp = b5 ^ b2; b5 = (tmp >> 54) | (tmp << (64 - 54)); b2 -= b5; tmp = b5 ^ b2; b5 = (tmp >> 54) | (tmp << (64 - 54)); b2 -= b5;
tmp = b7 ^ b0; b7 = (tmp >> 9) | (tmp << (64 - 9)); b0 -= b7; tmp = b7 ^ b0; b7 = (tmp >> 9) | (tmp << (64 - 9)); b0 -= b7;
tmp = b1 ^ b6; b1 = (tmp >> 44) | (tmp << (64 - 44)); b6 -= b1; tmp = b1 ^ b6; b1 = (tmp >> 44) | (tmp << (64 - 44)); b6 -= b1;
tmp = b7 ^ b2; b7 = (tmp >> 39) | (tmp << (64 - 39)); b2 -= b7; tmp = b7 ^ b2; b7 = (tmp >> 39) | (tmp << (64 - 39)); b2 -= b7;
tmp = b5 ^ b0; b5 = (tmp >> 36) | (tmp << (64 - 36)); b0 -= b5; tmp = b5 ^ b0; b5 = (tmp >> 36) | (tmp << (64 - 36)); b0 -= b5;
tmp = b3 ^ b6; b3 = (tmp >> 49) | (tmp << (64 - 49)); b6 -= b3; tmp = b3 ^ b6; b3 = (tmp >> 49) | (tmp << (64 - 49)); b6 -= b3;
tmp = b1 ^ b4; b1 = (tmp >> 17) | (tmp << (64 - 17)); b4 -= b1; tmp = b1 ^ b4; b1 = (tmp >> 17) | (tmp << (64 - 17)); b4 -= b1;
tmp = b3 ^ b0; b3 = (tmp >> 42) | (tmp << (64 - 42)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 42) | (tmp << (64 - 42)); b0 -= b3;
tmp = b5 ^ b6; b5 = (tmp >> 14) | (tmp << (64 - 14)); b6 -= b5; tmp = b5 ^ b6; b5 = (tmp >> 14) | (tmp << (64 - 14)); b6 -= b5;
tmp = b7 ^ b4; b7 = (tmp >> 27) | (tmp << (64 - 27)); b4 -= b7; tmp = b7 ^ b4; b7 = (tmp >> 27) | (tmp << (64 - 27)); b4 -= b7;
tmp = b1 ^ b2; b1 = (tmp >> 33) | (tmp << (64 - 33)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 33) | (tmp << (64 - 33)); b2 -= b1;
tmp = b7 ^ b6; b7 = (tmp >> 37) | (tmp << (64 - 37)); b6 -= b7 + k3 + t1; b7 -= k4 + 6; tmp = b7 ^ b6; b7 = (tmp >> 37) | (tmp << (64 - 37)); b6 -= b7 + k3 + t1; b7 -= k4 + 6;
tmp = b5 ^ b4; b5 = (tmp >> 19) | (tmp << (64 - 19)); b4 -= b5 + k1; b5 -= k2 + t0; tmp = b5 ^ b4; b5 = (tmp >> 19) | (tmp << (64 - 19)); b4 -= b5 + k1; b5 -= k2 + t0;
tmp = b3 ^ b2; b3 = (tmp >> 36) | (tmp << (64 - 36)); b2 -= b3 + k8; b3 -= k0; tmp = b3 ^ b2; b3 = (tmp >> 36) | (tmp << (64 - 36)); b2 -= b3 + k8; b3 -= k0;
tmp = b1 ^ b0; b1 = (tmp >> 46) | (tmp << (64 - 46)); b0 -= b1 + k6; b1 -= k7; tmp = b1 ^ b0; b1 = (tmp >> 46) | (tmp << (64 - 46)); b0 -= b1 + k6; b1 -= k7;
tmp = b3 ^ b4; b3 = (tmp >> 22) | (tmp << (64 - 22)); b4 -= b3; tmp = b3 ^ b4; b3 = (tmp >> 22) | (tmp << (64 - 22)); b4 -= b3;
tmp = b5 ^ b2; b5 = (tmp >> 56) | (tmp << (64 - 56)); b2 -= b5; tmp = b5 ^ b2; b5 = (tmp >> 56) | (tmp << (64 - 56)); b2 -= b5;
tmp = b7 ^ b0; b7 = (tmp >> 35) | (tmp << (64 - 35)); b0 -= b7; tmp = b7 ^ b0; b7 = (tmp >> 35) | (tmp << (64 - 35)); b0 -= b7;
tmp = b1 ^ b6; b1 = (tmp >> 8) | (tmp << (64 - 8)); b6 -= b1; tmp = b1 ^ b6; b1 = (tmp >> 8) | (tmp << (64 - 8)); b6 -= b1;
tmp = b7 ^ b2; b7 = (tmp >> 43) | (tmp << (64 - 43)); b2 -= b7; tmp = b7 ^ b2; b7 = (tmp >> 43) | (tmp << (64 - 43)); b2 -= b7;
tmp = b5 ^ b0; b5 = (tmp >> 39) | (tmp << (64 - 39)); b0 -= b5; tmp = b5 ^ b0; b5 = (tmp >> 39) | (tmp << (64 - 39)); b0 -= b5;
tmp = b3 ^ b6; b3 = (tmp >> 29) | (tmp << (64 - 29)); b6 -= b3; tmp = b3 ^ b6; b3 = (tmp >> 29) | (tmp << (64 - 29)); b6 -= b3;
tmp = b1 ^ b4; b1 = (tmp >> 25) | (tmp << (64 - 25)); b4 -= b1; tmp = b1 ^ b4; b1 = (tmp >> 25) | (tmp << (64 - 25)); b4 -= b1;
tmp = b3 ^ b0; b3 = (tmp >> 17) | (tmp << (64 - 17)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 17) | (tmp << (64 - 17)); b0 -= b3;
tmp = b5 ^ b6; b5 = (tmp >> 10) | (tmp << (64 - 10)); b6 -= b5; tmp = b5 ^ b6; b5 = (tmp >> 10) | (tmp << (64 - 10)); b6 -= b5;
tmp = b7 ^ b4; b7 = (tmp >> 50) | (tmp << (64 - 50)); b4 -= b7; tmp = b7 ^ b4; b7 = (tmp >> 50) | (tmp << (64 - 50)); b4 -= b7;
tmp = b1 ^ b2; b1 = (tmp >> 13) | (tmp << (64 - 13)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 13) | (tmp << (64 - 13)); b2 -= b1;
tmp = b7 ^ b6; b7 = (tmp >> 24) | (tmp << (64 - 24)); b6 -= b7 + k2 + t0; b7 -= k3 + 5; tmp = b7 ^ b6; b7 = (tmp >> 24) | (tmp << (64 - 24)); b6 -= b7 + k2 + t0; b7 -= k3 + 5;
tmp = b5 ^ b4; b5 = (tmp >> 34) | (tmp << (64 - 34)); b4 -= b5 + k0; b5 -= k1 + t2; tmp = b5 ^ b4; b5 = (tmp >> 34) | (tmp << (64 - 34)); b4 -= b5 + k0; b5 -= k1 + t2;
tmp = b3 ^ b2; b3 = (tmp >> 30) | (tmp << (64 - 30)); b2 -= b3 + k7; b3 -= k8; tmp = b3 ^ b2; b3 = (tmp >> 30) | (tmp << (64 - 30)); b2 -= b3 + k7; b3 -= k8;
tmp = b1 ^ b0; b1 = (tmp >> 39) | (tmp << (64 - 39)); b0 -= b1 + k5; b1 -= k6; tmp = b1 ^ b0; b1 = (tmp >> 39) | (tmp << (64 - 39)); b0 -= b1 + k5; b1 -= k6;
tmp = b3 ^ b4; b3 = (tmp >> 56) | (tmp << (64 - 56)); b4 -= b3; tmp = b3 ^ b4; b3 = (tmp >> 56) | (tmp << (64 - 56)); b4 -= b3;
tmp = b5 ^ b2; b5 = (tmp >> 54) | (tmp << (64 - 54)); b2 -= b5; tmp = b5 ^ b2; b5 = (tmp >> 54) | (tmp << (64 - 54)); b2 -= b5;
tmp = b7 ^ b0; b7 = (tmp >> 9) | (tmp << (64 - 9)); b0 -= b7; tmp = b7 ^ b0; b7 = (tmp >> 9) | (tmp << (64 - 9)); b0 -= b7;
tmp = b1 ^ b6; b1 = (tmp >> 44) | (tmp << (64 - 44)); b6 -= b1; tmp = b1 ^ b6; b1 = (tmp >> 44) | (tmp << (64 - 44)); b6 -= b1;
tmp = b7 ^ b2; b7 = (tmp >> 39) | (tmp << (64 - 39)); b2 -= b7; tmp = b7 ^ b2; b7 = (tmp >> 39) | (tmp << (64 - 39)); b2 -= b7;
tmp = b5 ^ b0; b5 = (tmp >> 36) | (tmp << (64 - 36)); b0 -= b5; tmp = b5 ^ b0; b5 = (tmp >> 36) | (tmp << (64 - 36)); b0 -= b5;
tmp = b3 ^ b6; b3 = (tmp >> 49) | (tmp << (64 - 49)); b6 -= b3; tmp = b3 ^ b6; b3 = (tmp >> 49) | (tmp << (64 - 49)); b6 -= b3;
tmp = b1 ^ b4; b1 = (tmp >> 17) | (tmp << (64 - 17)); b4 -= b1; tmp = b1 ^ b4; b1 = (tmp >> 17) | (tmp << (64 - 17)); b4 -= b1;
tmp = b3 ^ b0; b3 = (tmp >> 42) | (tmp << (64 - 42)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 42) | (tmp << (64 - 42)); b0 -= b3;
tmp = b5 ^ b6; b5 = (tmp >> 14) | (tmp << (64 - 14)); b6 -= b5; tmp = b5 ^ b6; b5 = (tmp >> 14) | (tmp << (64 - 14)); b6 -= b5;
tmp = b7 ^ b4; b7 = (tmp >> 27) | (tmp << (64 - 27)); b4 -= b7; tmp = b7 ^ b4; b7 = (tmp >> 27) | (tmp << (64 - 27)); b4 -= b7;
tmp = b1 ^ b2; b1 = (tmp >> 33) | (tmp << (64 - 33)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 33) | (tmp << (64 - 33)); b2 -= b1;
tmp = b7 ^ b6; b7 = (tmp >> 37) | (tmp << (64 - 37)); b6 -= b7 + k1 + t2; b7 -= k2 + 4; tmp = b7 ^ b6; b7 = (tmp >> 37) | (tmp << (64 - 37)); b6 -= b7 + k1 + t2; b7 -= k2 + 4;
tmp = b5 ^ b4; b5 = (tmp >> 19) | (tmp << (64 - 19)); b4 -= b5 + k8; b5 -= k0 + t1; tmp = b5 ^ b4; b5 = (tmp >> 19) | (tmp << (64 - 19)); b4 -= b5 + k8; b5 -= k0 + t1;
tmp = b3 ^ b2; b3 = (tmp >> 36) | (tmp << (64 - 36)); b2 -= b3 + k6; b3 -= k7; tmp = b3 ^ b2; b3 = (tmp >> 36) | (tmp << (64 - 36)); b2 -= b3 + k6; b3 -= k7;
tmp = b1 ^ b0; b1 = (tmp >> 46) | (tmp << (64 - 46)); b0 -= b1 + k4; b1 -= k5; tmp = b1 ^ b0; b1 = (tmp >> 46) | (tmp << (64 - 46)); b0 -= b1 + k4; b1 -= k5;
tmp = b3 ^ b4; b3 = (tmp >> 22) | (tmp << (64 - 22)); b4 -= b3; tmp = b3 ^ b4; b3 = (tmp >> 22) | (tmp << (64 - 22)); b4 -= b3;
tmp = b5 ^ b2; b5 = (tmp >> 56) | (tmp << (64 - 56)); b2 -= b5; tmp = b5 ^ b2; b5 = (tmp >> 56) | (tmp << (64 - 56)); b2 -= b5;
tmp = b7 ^ b0; b7 = (tmp >> 35) | (tmp << (64 - 35)); b0 -= b7; tmp = b7 ^ b0; b7 = (tmp >> 35) | (tmp << (64 - 35)); b0 -= b7;
tmp = b1 ^ b6; b1 = (tmp >> 8) | (tmp << (64 - 8)); b6 -= b1; tmp = b1 ^ b6; b1 = (tmp >> 8) | (tmp << (64 - 8)); b6 -= b1;
tmp = b7 ^ b2; b7 = (tmp >> 43) | (tmp << (64 - 43)); b2 -= b7; tmp = b7 ^ b2; b7 = (tmp >> 43) | (tmp << (64 - 43)); b2 -= b7;
tmp = b5 ^ b0; b5 = (tmp >> 39) | (tmp << (64 - 39)); b0 -= b5; tmp = b5 ^ b0; b5 = (tmp >> 39) | (tmp << (64 - 39)); b0 -= b5;
tmp = b3 ^ b6; b3 = (tmp >> 29) | (tmp << (64 - 29)); b6 -= b3; tmp = b3 ^ b6; b3 = (tmp >> 29) | (tmp << (64 - 29)); b6 -= b3;
tmp = b1 ^ b4; b1 = (tmp >> 25) | (tmp << (64 - 25)); b4 -= b1; tmp = b1 ^ b4; b1 = (tmp >> 25) | (tmp << (64 - 25)); b4 -= b1;
tmp = b3 ^ b0; b3 = (tmp >> 17) | (tmp << (64 - 17)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 17) | (tmp << (64 - 17)); b0 -= b3;
tmp = b5 ^ b6; b5 = (tmp >> 10) | (tmp << (64 - 10)); b6 -= b5; tmp = b5 ^ b6; b5 = (tmp >> 10) | (tmp << (64 - 10)); b6 -= b5;
tmp = b7 ^ b4; b7 = (tmp >> 50) | (tmp << (64 - 50)); b4 -= b7; tmp = b7 ^ b4; b7 = (tmp >> 50) | (tmp << (64 - 50)); b4 -= b7;
tmp = b1 ^ b2; b1 = (tmp >> 13) | (tmp << (64 - 13)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 13) | (tmp << (64 - 13)); b2 -= b1;
tmp = b7 ^ b6; b7 = (tmp >> 24) | (tmp << (64 - 24)); b6 -= b7 + k0 + t1; b7 -= k1 + 3; tmp = b7 ^ b6; b7 = (tmp >> 24) | (tmp << (64 - 24)); b6 -= b7 + k0 + t1; b7 -= k1 + 3;
tmp = b5 ^ b4; b5 = (tmp >> 34) | (tmp << (64 - 34)); b4 -= b5 + k7; b5 -= k8 + t0; tmp = b5 ^ b4; b5 = (tmp >> 34) | (tmp << (64 - 34)); b4 -= b5 + k7; b5 -= k8 + t0;
tmp = b3 ^ b2; b3 = (tmp >> 30) | (tmp << (64 - 30)); b2 -= b3 + k5; b3 -= k6; tmp = b3 ^ b2; b3 = (tmp >> 30) | (tmp << (64 - 30)); b2 -= b3 + k5; b3 -= k6;
tmp = b1 ^ b0; b1 = (tmp >> 39) | (tmp << (64 - 39)); b0 -= b1 + k3; b1 -= k4; tmp = b1 ^ b0; b1 = (tmp >> 39) | (tmp << (64 - 39)); b0 -= b1 + k3; b1 -= k4;
tmp = b3 ^ b4; b3 = (tmp >> 56) | (tmp << (64 - 56)); b4 -= b3; tmp = b3 ^ b4; b3 = (tmp >> 56) | (tmp << (64 - 56)); b4 -= b3;
tmp = b5 ^ b2; b5 = (tmp >> 54) | (tmp << (64 - 54)); b2 -= b5; tmp = b5 ^ b2; b5 = (tmp >> 54) | (tmp << (64 - 54)); b2 -= b5;
tmp = b7 ^ b0; b7 = (tmp >> 9) | (tmp << (64 - 9)); b0 -= b7; tmp = b7 ^ b0; b7 = (tmp >> 9) | (tmp << (64 - 9)); b0 -= b7;
tmp = b1 ^ b6; b1 = (tmp >> 44) | (tmp << (64 - 44)); b6 -= b1; tmp = b1 ^ b6; b1 = (tmp >> 44) | (tmp << (64 - 44)); b6 -= b1;
tmp = b7 ^ b2; b7 = (tmp >> 39) | (tmp << (64 - 39)); b2 -= b7; tmp = b7 ^ b2; b7 = (tmp >> 39) | (tmp << (64 - 39)); b2 -= b7;
tmp = b5 ^ b0; b5 = (tmp >> 36) | (tmp << (64 - 36)); b0 -= b5; tmp = b5 ^ b0; b5 = (tmp >> 36) | (tmp << (64 - 36)); b0 -= b5;
tmp = b3 ^ b6; b3 = (tmp >> 49) | (tmp << (64 - 49)); b6 -= b3; tmp = b3 ^ b6; b3 = (tmp >> 49) | (tmp << (64 - 49)); b6 -= b3;
tmp = b1 ^ b4; b1 = (tmp >> 17) | (tmp << (64 - 17)); b4 -= b1; tmp = b1 ^ b4; b1 = (tmp >> 17) | (tmp << (64 - 17)); b4 -= b1;
tmp = b3 ^ b0; b3 = (tmp >> 42) | (tmp << (64 - 42)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 42) | (tmp << (64 - 42)); b0 -= b3;
tmp = b5 ^ b6; b5 = (tmp >> 14) | (tmp << (64 - 14)); b6 -= b5; tmp = b5 ^ b6; b5 = (tmp >> 14) | (tmp << (64 - 14)); b6 -= b5;
tmp = b7 ^ b4; b7 = (tmp >> 27) | (tmp << (64 - 27)); b4 -= b7; tmp = b7 ^ b4; b7 = (tmp >> 27) | (tmp << (64 - 27)); b4 -= b7;
tmp = b1 ^ b2; b1 = (tmp >> 33) | (tmp << (64 - 33)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 33) | (tmp << (64 - 33)); b2 -= b1;
tmp = b7 ^ b6; b7 = (tmp >> 37) | (tmp << (64 - 37)); b6 -= b7 + k8 + t0; b7 -= k0 + 2; tmp = b7 ^ b6; b7 = (tmp >> 37) | (tmp << (64 - 37)); b6 -= b7 + k8 + t0; b7 -= k0 + 2;
tmp = b5 ^ b4; b5 = (tmp >> 19) | (tmp << (64 - 19)); b4 -= b5 + k6; b5 -= k7 + t2; tmp = b5 ^ b4; b5 = (tmp >> 19) | (tmp << (64 - 19)); b4 -= b5 + k6; b5 -= k7 + t2;
tmp = b3 ^ b2; b3 = (tmp >> 36) | (tmp << (64 - 36)); b2 -= b3 + k4; b3 -= k5; tmp = b3 ^ b2; b3 = (tmp >> 36) | (tmp << (64 - 36)); b2 -= b3 + k4; b3 -= k5;
tmp = b1 ^ b0; b1 = (tmp >> 46) | (tmp << (64 - 46)); b0 -= b1 + k2; b1 -= k3; tmp = b1 ^ b0; b1 = (tmp >> 46) | (tmp << (64 - 46)); b0 -= b1 + k2; b1 -= k3;
tmp = b3 ^ b4; b3 = (tmp >> 22) | (tmp << (64 - 22)); b4 -= b3; tmp = b3 ^ b4; b3 = (tmp >> 22) | (tmp << (64 - 22)); b4 -= b3;
tmp = b5 ^ b2; b5 = (tmp >> 56) | (tmp << (64 - 56)); b2 -= b5; tmp = b5 ^ b2; b5 = (tmp >> 56) | (tmp << (64 - 56)); b2 -= b5;
tmp = b7 ^ b0; b7 = (tmp >> 35) | (tmp << (64 - 35)); b0 -= b7; tmp = b7 ^ b0; b7 = (tmp >> 35) | (tmp << (64 - 35)); b0 -= b7;
tmp = b1 ^ b6; b1 = (tmp >> 8) | (tmp << (64 - 8)); b6 -= b1; tmp = b1 ^ b6; b1 = (tmp >> 8) | (tmp << (64 - 8)); b6 -= b1;
tmp = b7 ^ b2; b7 = (tmp >> 43) | (tmp << (64 - 43)); b2 -= b7; tmp = b7 ^ b2; b7 = (tmp >> 43) | (tmp << (64 - 43)); b2 -= b7;
tmp = b5 ^ b0; b5 = (tmp >> 39) | (tmp << (64 - 39)); b0 -= b5; tmp = b5 ^ b0; b5 = (tmp >> 39) | (tmp << (64 - 39)); b0 -= b5;
tmp = b3 ^ b6; b3 = (tmp >> 29) | (tmp << (64 - 29)); b6 -= b3; tmp = b3 ^ b6; b3 = (tmp >> 29) | (tmp << (64 - 29)); b6 -= b3;
tmp = b1 ^ b4; b1 = (tmp >> 25) | (tmp << (64 - 25)); b4 -= b1; tmp = b1 ^ b4; b1 = (tmp >> 25) | (tmp << (64 - 25)); b4 -= b1;
tmp = b3 ^ b0; b3 = (tmp >> 17) | (tmp << (64 - 17)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 17) | (tmp << (64 - 17)); b0 -= b3;
tmp = b5 ^ b6; b5 = (tmp >> 10) | (tmp << (64 - 10)); b6 -= b5; tmp = b5 ^ b6; b5 = (tmp >> 10) | (tmp << (64 - 10)); b6 -= b5;
tmp = b7 ^ b4; b7 = (tmp >> 50) | (tmp << (64 - 50)); b4 -= b7; tmp = b7 ^ b4; b7 = (tmp >> 50) | (tmp << (64 - 50)); b4 -= b7;
tmp = b1 ^ b2; b1 = (tmp >> 13) | (tmp << (64 - 13)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 13) | (tmp << (64 - 13)); b2 -= b1;
tmp = b7 ^ b6; b7 = (tmp >> 24) | (tmp << (64 - 24)); b6 -= b7 + k7 + t2; b7 -= k8 + 1; tmp = b7 ^ b6; b7 = (tmp >> 24) | (tmp << (64 - 24)); b6 -= b7 + k7 + t2; b7 -= k8 + 1;
tmp = b5 ^ b4; b5 = (tmp >> 34) | (tmp << (64 - 34)); b4 -= b5 + k5; b5 -= k6 + t1; tmp = b5 ^ b4; b5 = (tmp >> 34) | (tmp << (64 - 34)); b4 -= b5 + k5; b5 -= k6 + t1;
tmp = b3 ^ b2; b3 = (tmp >> 30) | (tmp << (64 - 30)); b2 -= b3 + k3; b3 -= k4; tmp = b3 ^ b2; b3 = (tmp >> 30) | (tmp << (64 - 30)); b2 -= b3 + k3; b3 -= k4;
tmp = b1 ^ b0; b1 = (tmp >> 39) | (tmp << (64 - 39)); b0 -= b1 + k1; b1 -= k2; tmp = b1 ^ b0; b1 = (tmp >> 39) | (tmp << (64 - 39)); b0 -= b1 + k1; b1 -= k2;
tmp = b3 ^ b4; b3 = (tmp >> 56) | (tmp << (64 - 56)); b4 -= b3; tmp = b3 ^ b4; b3 = (tmp >> 56) | (tmp << (64 - 56)); b4 -= b3;
tmp = b5 ^ b2; b5 = (tmp >> 54) | (tmp << (64 - 54)); b2 -= b5; tmp = b5 ^ b2; b5 = (tmp >> 54) | (tmp << (64 - 54)); b2 -= b5;
tmp = b7 ^ b0; b7 = (tmp >> 9) | (tmp << (64 - 9)); b0 -= b7; tmp = b7 ^ b0; b7 = (tmp >> 9) | (tmp << (64 - 9)); b0 -= b7;
tmp = b1 ^ b6; b1 = (tmp >> 44) | (tmp << (64 - 44)); b6 -= b1; tmp = b1 ^ b6; b1 = (tmp >> 44) | (tmp << (64 - 44)); b6 -= b1;
tmp = b7 ^ b2; b7 = (tmp >> 39) | (tmp << (64 - 39)); b2 -= b7; tmp = b7 ^ b2; b7 = (tmp >> 39) | (tmp << (64 - 39)); b2 -= b7;
tmp = b5 ^ b0; b5 = (tmp >> 36) | (tmp << (64 - 36)); b0 -= b5; tmp = b5 ^ b0; b5 = (tmp >> 36) | (tmp << (64 - 36)); b0 -= b5;
tmp = b3 ^ b6; b3 = (tmp >> 49) | (tmp << (64 - 49)); b6 -= b3; tmp = b3 ^ b6; b3 = (tmp >> 49) | (tmp << (64 - 49)); b6 -= b3;
tmp = b1 ^ b4; b1 = (tmp >> 17) | (tmp << (64 - 17)); b4 -= b1; tmp = b1 ^ b4; b1 = (tmp >> 17) | (tmp << (64 - 17)); b4 -= b1;
tmp = b3 ^ b0; b3 = (tmp >> 42) | (tmp << (64 - 42)); b0 -= b3; tmp = b3 ^ b0; b3 = (tmp >> 42) | (tmp << (64 - 42)); b0 -= b3;
tmp = b5 ^ b6; b5 = (tmp >> 14) | (tmp << (64 - 14)); b6 -= b5; tmp = b5 ^ b6; b5 = (tmp >> 14) | (tmp << (64 - 14)); b6 -= b5;
tmp = b7 ^ b4; b7 = (tmp >> 27) | (tmp << (64 - 27)); b4 -= b7; tmp = b7 ^ b4; b7 = (tmp >> 27) | (tmp << (64 - 27)); b4 -= b7;
tmp = b1 ^ b2; b1 = (tmp >> 33) | (tmp << (64 - 33)); b2 -= b1; tmp = b1 ^ b2; b1 = (tmp >> 33) | (tmp << (64 - 33)); b2 -= b1;
tmp = b7 ^ b6; b7 = (tmp >> 37) | (tmp << (64 - 37)); b6 -= b7 + k6 + t1; b7 -= k7; tmp = b7 ^ b6; b7 = (tmp >> 37) | (tmp << (64 - 37)); b6 -= b7 + k6 + t1; b7 -= k7;
tmp = b5 ^ b4; b5 = (tmp >> 19) | (tmp << (64 - 19)); b4 -= b5 + k4; b5 -= k5 + t0; tmp = b5 ^ b4; b5 = (tmp >> 19) | (tmp << (64 - 19)); b4 -= b5 + k4; b5 -= k5 + t0;
tmp = b3 ^ b2; b3 = (tmp >> 36) | (tmp << (64 - 36)); b2 -= b3 + k2; b3 -= k3; tmp = b3 ^ b2; b3 = (tmp >> 36) | (tmp << (64 - 36)); b2 -= b3 + k2; b3 -= k3;
tmp = b1 ^ b0; b1 = (tmp >> 46) | (tmp << (64 - 46)); b0 -= b1 + k0; b1 -= k1; tmp = b1 ^ b0; b1 = (tmp >> 46) | (tmp << (64 - 46)); b0 -= b1 + k0; b1 -= k1;
output[0] = b0; output[0] = b0;
output[1] = b1; output[1] = b1;
output[2] = b2; output[2] = b2;
output[3] = b3; output[3] = b3;
output[7] = b7; output[7] = b7;
output[6] = b6; output[6] = b6;
output[5] = b5; output[5] = b5;
output[4] = b4; output[4] = b4;
} }
drivers/staging/skein/threefishApi.c
View file @ 39bd42b0
...@@ -4,75 +4,75 @@ ...@@ -4,75 +4,75 @@
#include <threefishApi.h> #include <threefishApi.h>
void threefishSetKey(struct threefish_key *keyCtx, enum threefish_size stateSize, void threefishSetKey(struct threefish_key *keyCtx, enum threefish_size stateSize,
u64 *keyData, u64 *tweak) u64 *keyData, u64 *tweak)
{ {
int keyWords = stateSize / 64; int keyWords = stateSize / 64;
int i; int i;
u64 parity = KeyScheduleConst; u64 parity = KeyScheduleConst;
keyCtx->tweak[0] = tweak[0]; keyCtx->tweak[0] = tweak[0];
keyCtx->tweak[1] = tweak[1]; keyCtx->tweak[1] = tweak[1];
keyCtx->tweak[2] = tweak[0] ^ tweak[1]; keyCtx->tweak[2] = tweak[0] ^ tweak[1];
for (i = 0; i < keyWords; i++) { for (i = 0; i < keyWords; i++) {
keyCtx->key[i] = keyData[i]; keyCtx->key[i] = keyData[i];
parity ^= keyData[i]; parity ^= keyData[i];
} }
keyCtx->key[i] = parity; keyCtx->key[i] = parity;
keyCtx->stateSize = stateSize; keyCtx->stateSize = stateSize;
} }
void threefishEncryptBlockBytes(struct threefish_key *keyCtx, u8 *in, void threefishEncryptBlockBytes(struct threefish_key *keyCtx, u8 *in,
u8 *out) u8 *out)
{ {
u64 plain[SKEIN_MAX_STATE_WORDS]; /* max number of words*/ u64 plain[SKEIN_MAX_STATE_WORDS]; /* max number of words*/
u64 cipher[SKEIN_MAX_STATE_WORDS]; u64 cipher[SKEIN_MAX_STATE_WORDS];
Skein_Get64_LSB_First(plain, in, keyCtx->stateSize / 64); /* bytes to words */ Skein_Get64_LSB_First(plain, in, keyCtx->stateSize / 64); /* bytes to words */
threefishEncryptBlockWords(keyCtx, plain, cipher); threefishEncryptBlockWords(keyCtx, plain, cipher);
Skein_Put64_LSB_First(out, cipher, keyCtx->stateSize / 8); /* words to bytes */ Skein_Put64_LSB_First(out, cipher, keyCtx->stateSize / 8); /* words to bytes */
} }
void threefishEncryptBlockWords(struct threefish_key *keyCtx, u64 *in, void threefishEncryptBlockWords(struct threefish_key *keyCtx, u64 *in,
u64 *out) u64 *out)
{ {
switch (keyCtx->stateSize) { switch (keyCtx->stateSize) {
case Threefish256: case Threefish256:
threefishEncrypt256(keyCtx, in, out); threefishEncrypt256(keyCtx, in, out);
break; break;
case Threefish512: case Threefish512:
threefishEncrypt512(keyCtx, in, out); threefishEncrypt512(keyCtx, in, out);
break; break;
case Threefish1024: case Threefish1024:
threefishEncrypt1024(keyCtx, in, out); threefishEncrypt1024(keyCtx, in, out);
break; break;
} }
} }
void threefishDecryptBlockBytes(struct threefish_key *keyCtx, u8 *in, void threefishDecryptBlockBytes(struct threefish_key *keyCtx, u8 *in,
u8 *out) u8 *out)
{ {
u64 plain[SKEIN_MAX_STATE_WORDS]; /* max number of words*/ u64 plain[SKEIN_MAX_STATE_WORDS]; /* max number of words*/
u64 cipher[SKEIN_MAX_STATE_WORDS]; u64 cipher[SKEIN_MAX_STATE_WORDS];
Skein_Get64_LSB_First(cipher, in, keyCtx->stateSize / 64); /* bytes to words */ Skein_Get64_LSB_First(cipher, in, keyCtx->stateSize / 64); /* bytes to words */
threefishDecryptBlockWords(keyCtx, cipher, plain); threefishDecryptBlockWords(keyCtx, cipher, plain);
Skein_Put64_LSB_First(out, plain, keyCtx->stateSize / 8); /* words to bytes */ Skein_Put64_LSB_First(out, plain, keyCtx->stateSize / 8); /* words to bytes */
} }
void threefishDecryptBlockWords(struct threefish_key *keyCtx, u64 *in, void threefishDecryptBlockWords(struct threefish_key *keyCtx, u64 *in,
u64 *out) u64 *out)
{ {
switch (keyCtx->stateSize) { switch (keyCtx->stateSize) {
case Threefish256: case Threefish256:
threefishDecrypt256(keyCtx, in, out); threefishDecrypt256(keyCtx, in, out);
break; break;
case Threefish512: case Threefish512:
threefishDecrypt512(keyCtx, in, out); threefishDecrypt512(keyCtx, in, out);
break; break;
case Threefish1024: case Threefish1024:
threefishDecrypt1024(keyCtx, in, out); threefishDecrypt1024(keyCtx, in, out);
break; break;
} }
} }
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