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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
This diff is collapsed.
drivers/staging/skein/include/skeinApi.h
View file @ 39bd42b0
......@@ -81,148 +81,148 @@ OTHER DEALINGS IN THE SOFTWARE.
#include <linux/types.h>
#include <skein.h>
/**
* Which Skein size to use
*/
enum skein_size {
Skein256 = 256, /*!< Skein with 256 bit state */
Skein512 = 512, /*!< Skein with 512 bit state */
Skein1024 = 1024 /*!< Skein with 1024 bit state */
};
/**
* Context for Skein.
*
* This structure was setup with some know-how of the internal
* Skein structures, in particular ordering of header and size dependent
* variables. If Skein implementation changes this, then adapt these
* structures as well.
*/
struct skein_ctx {
u64 skeinSize;
u64 XSave[SKEIN_MAX_STATE_WORDS]; /* save area for state variables */
union {
struct skein_ctx_hdr h;
struct skein_256_ctx s256;
struct skein_512_ctx s512;
struct skein1024_ctx s1024;
} m;
};
/**
* Prepare a Skein context.
*
* An application must call this function before it can use the Skein
* context. The functions clears memory and initializes size dependent
* variables.
*
* @param ctx
* Pointer to a Skein context.
* @param size
* Which Skein size to use.
* @return
* SKEIN_SUCESS of SKEIN_FAIL
*/
int skeinCtxPrepare(struct skein_ctx *ctx, enum skein_size size);
/**
* Initialize a Skein context.
*
* Initializes the context with this data and saves the resulting Skein
* state variables for further use.
*
* @param ctx
* Pointer to a Skein context.
* @param hashBitLen
* Number of MAC hash bits to compute
* @return
* SKEIN_SUCESS of SKEIN_FAIL
* @see skeinReset
*/
int skeinInit(struct skein_ctx *ctx, size_t hashBitLen);
/**
* Resets a Skein context for further use.
*
* Restores the saved chaining variables to reset the Skein context.
* Thus applications can reuse the same setup to process several
* messages. This saves a complete Skein initialization cycle.
*
* @param ctx
* Pointer to a pre-initialized Skein MAC context
*/
void skeinReset(struct skein_ctx *ctx);
/**
* Initializes a Skein context for MAC usage.
*
* Initializes the context with this data and saves the resulting Skein
* state variables for further use.
*
* Applications call the normal Skein functions to update the MAC and
* get the final result.
*
* @param ctx
* Pointer to an empty or preinitialized Skein MAC context
* @param key
* Pointer to key bytes or NULL
* @param keyLen
* Length of the key in bytes or zero
* @param hashBitLen
* Number of MAC hash bits to compute
* @return
* SKEIN_SUCESS of SKEIN_FAIL
*/
int skeinMacInit(struct skein_ctx *ctx, const u8 *key, size_t keyLen,
size_t hashBitLen);
/**
* Update Skein with the next part of the message.
*
* @param ctx
* Pointer to initialized Skein context
* @param msg
* Pointer to the message.
* @param msgByteCnt
* Length of the message in @b bytes
* @return
* Success or error code.
*/
int skeinUpdate(struct skein_ctx *ctx, const u8 *msg,
size_t msgByteCnt);
/**
* Update the hash with a message bit string.
*
* Skein can handle data not only as bytes but also as bit strings of
* arbitrary length (up to its maximum design size).
*
* @param ctx
* Pointer to initialized Skein context
* @param msg
* Pointer to the message.
* @param msgBitCnt
* Length of the message in @b bits.
*/
int skeinUpdateBits(struct skein_ctx *ctx, const u8 *msg,
size_t msgBitCnt);
/**
* Finalize Skein and return the hash.
*
* Before an application can reuse a Skein setup the application must
* reset the Skein context.
*
* @param ctx
* Pointer to initialized Skein context
* @param hash
* Pointer to buffer that receives the hash. The buffer must be large
* enough to store @c hashBitLen bits.
* @return
* Success or error code.
* @see skeinReset
*/
int skeinFinal(struct skein_ctx *ctx, u8 *hash);
/**
* Which Skein size to use
*/
enum skein_size {
Skein256 = 256, /*!< Skein with 256 bit state */
Skein512 = 512, /*!< Skein with 512 bit state */
Skein1024 = 1024 /*!< Skein with 1024 bit state */
};
/**
* Context for Skein.
*
* This structure was setup with some know-how of the internal
* Skein structures, in particular ordering of header and size dependent
* variables. If Skein implementation changes this, then adapt these
* structures as well.
*/
struct skein_ctx {
u64 skeinSize;
u64 XSave[SKEIN_MAX_STATE_WORDS]; /* save area for state variables */
union {
struct skein_ctx_hdr h;
struct skein_256_ctx s256;
struct skein_512_ctx s512;
struct skein1024_ctx s1024;
} m;
};
/**
* Prepare a Skein context.
*
* An application must call this function before it can use the Skein
* context. The functions clears memory and initializes size dependent
* variables.
*
* @param ctx
* Pointer to a Skein context.
* @param size
* Which Skein size to use.
* @return
* SKEIN_SUCESS of SKEIN_FAIL
*/
int skeinCtxPrepare(struct skein_ctx *ctx, enum skein_size size);
/**
* Initialize a Skein context.
*
* Initializes the context with this data and saves the resulting Skein
* state variables for further use.
*
* @param ctx
* Pointer to a Skein context.
* @param hashBitLen
* Number of MAC hash bits to compute
* @return
* SKEIN_SUCESS of SKEIN_FAIL
* @see skeinReset
*/
int skeinInit(struct skein_ctx *ctx, size_t hashBitLen);
/**
* Resets a Skein context for further use.
*
* Restores the saved chaining variables to reset the Skein context.
* Thus applications can reuse the same setup to process several
* messages. This saves a complete Skein initialization cycle.
*
* @param ctx
* Pointer to a pre-initialized Skein MAC context
*/
void skeinReset(struct skein_ctx *ctx);
/**
* Initializes a Skein context for MAC usage.
*
* Initializes the context with this data and saves the resulting Skein
* state variables for further use.
*
* Applications call the normal Skein functions to update the MAC and
* get the final result.
*
* @param ctx
* Pointer to an empty or preinitialized Skein MAC context
* @param key
* Pointer to key bytes or NULL
* @param keyLen
* Length of the key in bytes or zero
* @param hashBitLen
* Number of MAC hash bits to compute
* @return
* SKEIN_SUCESS of SKEIN_FAIL
*/
int skeinMacInit(struct skein_ctx *ctx, const u8 *key, size_t keyLen,
size_t hashBitLen);
/**
* Update Skein with the next part of the message.
*
* @param ctx
* Pointer to initialized Skein context
* @param msg
* Pointer to the message.
* @param msgByteCnt
* Length of the message in @b bytes
* @return
* Success or error code.
*/
int skeinUpdate(struct skein_ctx *ctx, const u8 *msg,
size_t msgByteCnt);
/**
* Update the hash with a message bit string.
*
* Skein can handle data not only as bytes but also as bit strings of
* arbitrary length (up to its maximum design size).
*
* @param ctx
* Pointer to initialized Skein context
* @param msg
* Pointer to the message.
* @param msgBitCnt
* Length of the message in @b bits.
*/
int skeinUpdateBits(struct skein_ctx *ctx, const u8 *msg,
size_t msgBitCnt);
/**
* Finalize Skein and return the hash.
*
* Before an application can reuse a Skein setup the application must
* reset the Skein context.
*
* @param ctx
* Pointer to initialized Skein context
* @param hash
* Pointer to buffer that receives the hash. The buffer must be large
* enough to store @c hashBitLen bits.
* @return
* Success or error code.
* @see skeinReset
*/
int skeinFinal(struct skein_ctx *ctx, u8 *hash);
/**
* @}
......
drivers/staging/skein/include/skein_iv.h
View file @ 39bd42b0
......@@ -21,179 +21,179 @@
/* blkSize = 256 bits. hashSize = 128 bits */
const u64 SKEIN_256_IV_128[] =
{
MK_64(0xE1111906, 0x964D7260),
MK_64(0x883DAAA7, 0x7C8D811C),
MK_64(0x10080DF4, 0x91960F7A),
MK_64(0xCCF7DDE5, 0xB45BC1C2)
};
{
MK_64(0xE1111906, 0x964D7260),
MK_64(0x883DAAA7, 0x7C8D811C),
MK_64(0x10080DF4, 0x91960F7A),
MK_64(0xCCF7DDE5, 0xB45BC1C2)
};
/* blkSize = 256 bits. hashSize = 160 bits */
const u64 SKEIN_256_IV_160[] =
{
MK_64(0x14202314, 0x72825E98),
MK_64(0x2AC4E9A2, 0x5A77E590),
MK_64(0xD47A5856, 0x8838D63E),
MK_64(0x2DD2E496, 0x8586AB7D)
};
{
MK_64(0x14202314, 0x72825E98),
MK_64(0x2AC4E9A2, 0x5A77E590),
MK_64(0xD47A5856, 0x8838D63E),
MK_64(0x2DD2E496, 0x8586AB7D)
};
/* blkSize = 256 bits. hashSize = 224 bits */
const u64 SKEIN_256_IV_224[] =
{
MK_64(0xC6098A8C, 0x9AE5EA0B),
MK_64(0x876D5686, 0x08C5191C),
MK_64(0x99CB88D7, 0xD7F53884),
MK_64(0x384BDDB1, 0xAEDDB5DE)
};
{
MK_64(0xC6098A8C, 0x9AE5EA0B),
MK_64(0x876D5686, 0x08C5191C),
MK_64(0x99CB88D7, 0xD7F53884),
MK_64(0x384BDDB1, 0xAEDDB5DE)
};
/* blkSize = 256 bits. hashSize = 256 bits */
const u64 SKEIN_256_IV_256[] =
{
MK_64(0xFC9DA860, 0xD048B449),
MK_64(0x2FCA6647, 0x9FA7D833),
MK_64(0xB33BC389, 0x6656840F),
MK_64(0x6A54E920, 0xFDE8DA69)
};
{
MK_64(0xFC9DA860, 0xD048B449),
MK_64(0x2FCA6647, 0x9FA7D833),
MK_64(0xB33BC389, 0x6656840F),
MK_64(0x6A54E920, 0xFDE8DA69)
};
/* blkSize = 512 bits. hashSize = 128 bits */
const u64 SKEIN_512_IV_128[] =
{
MK_64(0xA8BC7BF3, 0x6FBF9F52),
MK_64(0x1E9872CE, 0xBD1AF0AA),
MK_64(0x309B1790, 0xB32190D3),
MK_64(0xBCFBB854, 0x3F94805C),
MK_64(0x0DA61BCD, 0x6E31B11B),
MK_64(0x1A18EBEA, 0xD46A32E3),
MK_64(0xA2CC5B18, 0xCE84AA82),
MK_64(0x6982AB28, 0x9D46982D)
};
{
MK_64(0xA8BC7BF3, 0x6FBF9F52),
MK_64(0x1E9872CE, 0xBD1AF0AA),
MK_64(0x309B1790, 0xB32190D3),
MK_64(0xBCFBB854, 0x3F94805C),
MK_64(0x0DA61BCD, 0x6E31B11B),
MK_64(0x1A18EBEA, 0xD46A32E3),
MK_64(0xA2CC5B18, 0xCE84AA82),
MK_64(0x6982AB28, 0x9D46982D)
};
/* blkSize = 512 bits. hashSize = 160 bits */
const u64 SKEIN_512_IV_160[] =
{
MK_64(0x28B81A2A, 0xE013BD91),
MK_64(0xC2F11668, 0xB5BDF78F),
MK_64(0x1760D8F3, 0xF6A56F12),
MK_64(0x4FB74758, 0x8239904F),
MK_64(0x21EDE07F, 0x7EAF5056),
MK_64(0xD908922E, 0x63ED70B8),
MK_64(0xB8EC76FF, 0xECCB52FA),
MK_64(0x01A47BB8, 0xA3F27A6E)
};
{
MK_64(0x28B81A2A, 0xE013BD91),
MK_64(0xC2F11668, 0xB5BDF78F),
MK_64(0x1760D8F3, 0xF6A56F12),
MK_64(0x4FB74758, 0x8239904F),
MK_64(0x21EDE07F, 0x7EAF5056),
MK_64(0xD908922E, 0x63ED70B8),
MK_64(0xB8EC76FF, 0xECCB52FA),
MK_64(0x01A47BB8, 0xA3F27A6E)
};
/* blkSize = 512 bits. hashSize = 224 bits */
const u64 SKEIN_512_IV_224[] =
{
MK_64(0xCCD06162, 0x48677224),
MK_64(0xCBA65CF3, 0xA92339EF),
MK_64(0x8CCD69D6, 0x52FF4B64),
MK_64(0x398AED7B, 0x3AB890B4),
MK_64(0x0F59D1B1, 0x457D2BD0),
MK_64(0x6776FE65, 0x75D4EB3D),
MK_64(0x99FBC70E, 0x997413E9),
MK_64(0x9E2CFCCF, 0xE1C41EF7)
};
{
MK_64(0xCCD06162, 0x48677224),
MK_64(0xCBA65CF3, 0xA92339EF),
MK_64(0x8CCD69D6, 0x52FF4B64),
MK_64(0x398AED7B, 0x3AB890B4),
MK_64(0x0F59D1B1, 0x457D2BD0),
MK_64(0x6776FE65, 0x75D4EB3D),
MK_64(0x99FBC70E, 0x997413E9),
MK_64(0x9E2CFCCF, 0xE1C41EF7)
};
/* blkSize = 512 bits. hashSize = 256 bits */
const u64 SKEIN_512_IV_256[] =
{
MK_64(0xCCD044A1, 0x2FDB3E13),
MK_64(0xE8359030, 0x1A79A9EB),
MK_64(0x55AEA061, 0x4F816E6F),
MK_64(0x2A2767A4, 0xAE9B94DB),
MK_64(0xEC06025E, 0x74DD7683),
MK_64(0xE7A436CD, 0xC4746251),
MK_64(0xC36FBAF9, 0x393AD185),
MK_64(0x3EEDBA18, 0x33EDFC13)
};
{
MK_64(0xCCD044A1, 0x2FDB3E13),
MK_64(0xE8359030, 0x1A79A9EB),
MK_64(0x55AEA061, 0x4F816E6F),
MK_64(0x2A2767A4, 0xAE9B94DB),
MK_64(0xEC06025E, 0x74DD7683),
MK_64(0xE7A436CD, 0xC4746251),
MK_64(0xC36FBAF9, 0x393AD185),
MK_64(0x3EEDBA18, 0x33EDFC13)
};
/* blkSize = 512 bits. hashSize = 384 bits */
const u64 SKEIN_512_IV_384[] =
{
MK_64(0xA3F6C6BF, 0x3A75EF5F),
MK_64(0xB0FEF9CC, 0xFD84FAA4),
MK_64(0x9D77DD66, 0x3D770CFE),
MK_64(0xD798CBF3, 0xB468FDDA),
MK_64(0x1BC4A666, 0x8A0E4465),
MK_64(0x7ED7D434, 0xE5807407),
MK_64(0x548FC1AC, 0xD4EC44D6),
MK_64(0x266E1754, 0x6AA18FF8)
};
{
MK_64(0xA3F6C6BF, 0x3A75EF5F),
MK_64(0xB0FEF9CC, 0xFD84FAA4),
MK_64(0x9D77DD66, 0x3D770CFE),
MK_64(0xD798CBF3, 0xB468FDDA),
MK_64(0x1BC4A666, 0x8A0E4465),
MK_64(0x7ED7D434, 0xE5807407),
MK_64(0x548FC1AC, 0xD4EC44D6),
MK_64(0x266E1754, 0x6AA18FF8)
};
/* blkSize = 512 bits. hashSize = 512 bits */
const u64 SKEIN_512_IV_512[] =
{
MK_64(0x4903ADFF, 0x749C51CE),
MK_64(0x0D95DE39, 0x9746DF03),
MK_64(0x8FD19341, 0x27C79BCE),
MK_64(0x9A255629, 0xFF352CB1),
MK_64(0x5DB62599, 0xDF6CA7B0),
MK_64(0xEABE394C, 0xA9D5C3F4),
MK_64(0x991112C7, 0x1A75B523),
MK_64(0xAE18A40B, 0x660FCC33)
};
{
MK_64(0x4903ADFF, 0x749C51CE),
MK_64(0x0D95DE39, 0x9746DF03),
MK_64(0x8FD19341, 0x27C79BCE),
MK_64(0x9A255629, 0xFF352CB1),
MK_64(0x5DB62599, 0xDF6CA7B0),
MK_64(0xEABE394C, 0xA9D5C3F4),
MK_64(0x991112C7, 0x1A75B523),
MK_64(0xAE18A40B, 0x660FCC33)
};
/* blkSize = 1024 bits. hashSize = 384 bits */
const u64 SKEIN1024_IV_384[] =
{
MK_64(0x5102B6B8, 0xC1894A35),
MK_64(0xFEEBC9E3, 0xFE8AF11A),
MK_64(0x0C807F06, 0xE32BED71),
MK_64(0x60C13A52, 0xB41A91F6),
MK_64(0x9716D35D, 0xD4917C38),
MK_64(0xE780DF12, 0x6FD31D3A),
MK_64(0x797846B6, 0xC898303A),
MK_64(0xB172C2A8, 0xB3572A3B),
MK_64(0xC9BC8203, 0xA6104A6C),
MK_64(0x65909338, 0xD75624F4),
MK_64(0x94BCC568, 0x4B3F81A0),
MK_64(0x3EBBF51E, 0x10ECFD46),
MK_64(0x2DF50F0B, 0xEEB08542),
MK_64(0x3B5A6530, 0x0DBC6516),
MK_64(0x484B9CD2, 0x167BBCE1),
MK_64(0x2D136947, 0xD4CBAFEA)
};
{
MK_64(0x5102B6B8, 0xC1894A35),
MK_64(0xFEEBC9E3, 0xFE8AF11A),
MK_64(0x0C807F06, 0xE32BED71),
MK_64(0x60C13A52, 0xB41A91F6),
MK_64(0x9716D35D, 0xD4917C38),
MK_64(0xE780DF12, 0x6FD31D3A),
MK_64(0x797846B6, 0xC898303A),
MK_64(0xB172C2A8, 0xB3572A3B),
MK_64(0xC9BC8203, 0xA6104A6C),
MK_64(0x65909338, 0xD75624F4),
MK_64(0x94BCC568, 0x4B3F81A0),
MK_64(0x3EBBF51E, 0x10ECFD46),
MK_64(0x2DF50F0B, 0xEEB08542),
MK_64(0x3B5A6530, 0x0DBC6516),
MK_64(0x484B9CD2, 0x167BBCE1),
MK_64(0x2D136947, 0xD4CBAFEA)
};
/* blkSize = 1024 bits. hashSize = 512 bits */
const u64 SKEIN1024_IV_512[] =
{
MK_64(0xCAEC0E5D, 0x7C1B1B18),
MK_64(0xA01B0E04, 0x5F03E802),
MK_64(0x33840451, 0xED912885),
MK_64(0x374AFB04, 0xEAEC2E1C),
MK_64(0xDF25A0E2, 0x813581F7),
MK_64(0xE4004093, 0x8B12F9D2),
MK_64(0xA662D539, 0xC2ED39B6),
MK_64(0xFA8B85CF, 0x45D8C75A),
MK_64(0x8316ED8E, 0x29EDE796),
MK_64(0x053289C0, 0x2E9F91B8),
MK_64(0xC3F8EF1D, 0x6D518B73),
MK_64(0xBDCEC3C4, 0xD5EF332E),
MK_64(0x549A7E52, 0x22974487),
MK_64(0x67070872, 0x5B749816),
MK_64(0xB9CD28FB, 0xF0581BD1),
MK_64(0x0E2940B8, 0x15804974)
};
{
MK_64(0xCAEC0E5D, 0x7C1B1B18),
MK_64(0xA01B0E04, 0x5F03E802),
MK_64(0x33840451, 0xED912885),
MK_64(0x374AFB04, 0xEAEC2E1C),
MK_64(0xDF25A0E2, 0x813581F7),
MK_64(0xE4004093, 0x8B12F9D2),
MK_64(0xA662D539, 0xC2ED39B6),
MK_64(0xFA8B85CF, 0x45D8C75A),
MK_64(0x8316ED8E, 0x29EDE796),
MK_64(0x053289C0, 0x2E9F91B8),
MK_64(0xC3F8EF1D, 0x6D518B73),
MK_64(0xBDCEC3C4, 0xD5EF332E),
MK_64(0x549A7E52, 0x22974487),
MK_64(0x67070872, 0x5B749816),
MK_64(0xB9CD28FB, 0xF0581BD1),
MK_64(0x0E2940B8, 0x15804974)
};
/* blkSize = 1024 bits. hashSize = 1024 bits */
const u64 SKEIN1024_IV_1024[] =
{
MK_64(0xD593DA07, 0x41E72355),
MK_64(0x15B5E511, 0xAC73E00C),
MK_64(0x5180E5AE, 0xBAF2C4F0),
MK_64(0x03BD41D3, 0xFCBCAFAF),
MK_64(0x1CAEC6FD, 0x1983A898),
MK_64(0x6E510B8B, 0xCDD0589F),
MK_64(0x77E2BDFD, 0xC6394ADA),
MK_64(0xC11E1DB5, 0x24DCB0A3),
MK_64(0xD6D14AF9, 0xC6329AB5),
MK_64(0x6A9B0BFC, 0x6EB67E0D),
MK_64(0x9243C60D, 0xCCFF1332),
MK_64(0x1A1F1DDE, 0x743F02D4),
MK_64(0x0996753C, 0x10ED0BB8),
MK_64(0x6572DD22, 0xF2B4969A),
MK_64(0x61FD3062, 0xD00A579A),
MK_64(0x1DE0536E, 0x8682E539)
};
{
MK_64(0xD593DA07, 0x41E72355),
MK_64(0x15B5E511, 0xAC73E00C),
MK_64(0x5180E5AE, 0xBAF2C4F0),
MK_64(0x03BD41D3, 0xFCBCAFAF),
MK_64(0x1CAEC6FD, 0x1983A898),
MK_64(0x6E510B8B, 0xCDD0589F),
MK_64(0x77E2BDFD, 0xC6394ADA),
MK_64(0xC11E1DB5, 0x24DCB0A3),
MK_64(0xD6D14AF9, 0xC6329AB5),
MK_64(0x6A9B0BFC, 0x6EB67E0D),
MK_64(0x9243C60D, 0xCCFF1332),
MK_64(0x1A1F1DDE, 0x743F02D4),
MK_64(0x0996753C, 0x10ED0BB8),
MK_64(0x6572DD22, 0xF2B4969A),
MK_64(0x61FD3062, 0xD00A579A),
MK_64(0x1DE0536E, 0x8682E539)
};
#endif /* _SKEIN_IV_H_ */
drivers/staging/skein/include/threefishApi.h
View file @ 39bd42b0
......@@ -33,125 +33,125 @@
#define KeyScheduleConst 0x1BD11BDAA9FC1A22L
/**
* Which Threefish size to use
*/
enum threefish_size {
Threefish256 = 256, /*!< Skein with 256 bit state */
Threefish512 = 512, /*!< Skein with 512 bit state */
Threefish1024 = 1024 /*!< Skein with 1024 bit state */
};
/**
* Context for Threefish key and tweak words.
*
* This structure was setup with some know-how of the internal
* Skein structures, in particular ordering of header and size dependent
* variables. If Skein implementation changes this, the adapt these
* structures as well.
*/
struct threefish_key {
u64 stateSize;
u64 key[SKEIN_MAX_STATE_WORDS+1]; /* max number of key words*/
u64 tweak[3];
};
/**
* Which Threefish size to use
*/
enum threefish_size {
Threefish256 = 256, /*!< Skein with 256 bit state */
Threefish512 = 512, /*!< Skein with 512 bit state */
Threefish1024 = 1024 /*!< Skein with 1024 bit state */
};
/**
* Context for Threefish key and tweak words.
*
* This structure was setup with some know-how of the internal
* Skein structures, in particular ordering of header and size dependent
* variables. If Skein implementation changes this, the adapt these
* structures as well.
*/
struct threefish_key {
u64 stateSize;
u64 key[SKEIN_MAX_STATE_WORDS+1]; /* max number of key words*/
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.
*
* 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);
/**
* 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);
/**
* 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).
*
* 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, decrypts them and stores the result in the output
* buffer
*
* @param keyCtx
* Pointer to a Threefish key structure.
* @param in
* Poionter to cipher data buffer.
* @param out
* Pointer to plaintext buffer.
*/
void threefishDecryptBlockBytes(struct threefish_key *keyCtx, u8 *in, u8 *out);
/**
* Decrypt 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, decrypts them and stores the result in the output
* buffer
*
* @param keyCtx
* Pointer to a Threefish key structure.
* @param in
* Poionter to cipher data buffer.
* @param out
* Pointer to plaintext buffer.
*/
void threefishDecryptBlockBytes(struct threefish_key *keyCtx, u8 *in, u8 *out);
/**
* Decrypt 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 cipher data buffer.
* @param out
* Pointer to plaintext buffer.
*/
void threefishDecryptBlockWords(struct threefish_key *keyCtx, u64 *in, u64 *out);
/**
* Decrypt 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 cipher data buffer.
* @param out
* Pointer to plaintext buffer.
*/
void threefishDecryptBlockWords(struct threefish_key *keyCtx, u64 *in, u64 *out);
void threefishEncrypt256(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 threefishDecrypt256(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 threefishEncrypt256(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 threefishDecrypt256(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);
/**
* @}
*/
......
drivers/staging/skein/skein.c
View file @ 39bd42b0
This diff is collapsed.
drivers/staging/skein/skeinApi.c
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drivers/staging/skein/skeinBlockNo3F.c
View file @ 39bd42b0
......@@ -6,167 +6,167 @@
/***************************** Skein_256 ******************************/
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;
u64 tweak[2];
int i;
u64 w[SKEIN_256_STATE_WORDS]; /* local copy of input block */
u64 words[3];
struct threefish_key key;
u64 tweak[2];
int i;
u64 w[SKEIN_256_STATE_WORDS]; /* local copy of input block */
u64 words[3];
Skein_assert(blkCnt != 0); /* never call with blkCnt == 0! */
tweak[0] = ctx->h.T[0];
tweak[1] = ctx->h.T[1];
Skein_assert(blkCnt != 0); /* never call with blkCnt == 0! */
tweak[0] = ctx->h.T[0];
tweak[1] = ctx->h.T[1];
do {
u64 carry = byteCntAdd;
do {
u64 carry = byteCntAdd;
words[0] = tweak[0] & 0xffffffffL;
words[1] = ((tweak[0] >> 32) & 0xffffffffL);
words[2] = (tweak[1] & 0xffffffffL);
words[0] = tweak[0] & 0xffffffffL;
words[1] = ((tweak[0] >> 32) & 0xffffffffL);
words[2] = (tweak[1] & 0xffffffffL);
for (i = 0; i < 3; i++) {
carry += words[i];
words[i] = carry;
carry >>= 32;
}
tweak[0] = words[0] & 0xffffffffL;
tweak[0] |= (words[1] & 0xffffffffL) << 32;
tweak[1] |= words[2] & 0xffffffffL;
for (i = 0; i < 3; i++) {
carry += words[i];
words[i] = carry;
carry >>= 32;
}
tweak[0] = words[0] & 0xffffffffL;
tweak[0] |= (words[1] & 0xffffffffL) << 32;
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 */
ctx->X[0] = ctx->X[0] ^ w[0];
ctx->X[1] = ctx->X[1] ^ w[1];
ctx->X[2] = ctx->X[2] ^ w[2];
ctx->X[3] = ctx->X[3] ^ w[3];
/* do the final "feedforward" xor, update context chaining vars */
ctx->X[0] = ctx->X[0] ^ w[0];
ctx->X[1] = ctx->X[1] ^ w[1];
ctx->X[2] = ctx->X[2] ^ w[2];
ctx->X[3] = ctx->X[3] ^ w[3];
tweak[1] &= ~SKEIN_T1_FLAG_FIRST;
} while (--blkCnt);
tweak[1] &= ~SKEIN_T1_FLAG_FIRST;
} while (--blkCnt);
ctx->h.T[0] = tweak[0];
ctx->h.T[1] = tweak[1];
ctx->h.T[0] = tweak[0];
ctx->h.T[1] = tweak[1];
}
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;
u64 tweak[2];
int i;
u64 words[3];
u64 w[SKEIN_512_STATE_WORDS]; /* local copy of input block */
Skein_assert(blkCnt != 0); /* never call with blkCnt == 0! */
tweak[0] = ctx->h.T[0];
tweak[1] = ctx->h.T[1];
do {
u64 carry = byteCntAdd;
words[0] = tweak[0] & 0xffffffffL;
words[1] = ((tweak[0] >> 32) & 0xffffffffL);
words[2] = (tweak[1] & 0xffffffffL);
for (i = 0; i < 3; i++) {
carry += words[i];
words[i] = carry;
carry >>= 32;
}
tweak[0] = words[0] & 0xffffffffL;
tweak[0] |= (words[1] & 0xffffffffL) << 32;
tweak[1] |= words[2] & 0xffffffffL;
threefishSetKey(&key, Threefish512, ctx->X, tweak);
Skein_Get64_LSB_First(w, blkPtr, SKEIN_512_STATE_WORDS); /* get input block in little-endian format */
threefishEncryptBlockWords(&key, w, ctx->X);
blkPtr += SKEIN_512_BLOCK_BYTES;
/* do the final "feedforward" xor, update context chaining vars */
ctx->X[0] = ctx->X[0] ^ w[0];
ctx->X[1] = ctx->X[1] ^ w[1];
ctx->X[2] = ctx->X[2] ^ w[2];
ctx->X[3] = ctx->X[3] ^ w[3];
ctx->X[4] = ctx->X[4] ^ w[4];
ctx->X[5] = ctx->X[5] ^ w[5];
ctx->X[6] = ctx->X[6] ^ w[6];
ctx->X[7] = ctx->X[7] ^ w[7];
tweak[1] &= ~SKEIN_T1_FLAG_FIRST;
} while (--blkCnt);
ctx->h.T[0] = tweak[0];
ctx->h.T[1] = tweak[1];
struct threefish_key key;
u64 tweak[2];
int i;
u64 words[3];
u64 w[SKEIN_512_STATE_WORDS]; /* local copy of input block */
Skein_assert(blkCnt != 0); /* never call with blkCnt == 0! */
tweak[0] = ctx->h.T[0];
tweak[1] = ctx->h.T[1];
do {
u64 carry = byteCntAdd;
words[0] = tweak[0] & 0xffffffffL;
words[1] = ((tweak[0] >> 32) & 0xffffffffL);
words[2] = (tweak[1] & 0xffffffffL);
for (i = 0; i < 3; i++) {
carry += words[i];
words[i] = carry;
carry >>= 32;
}
tweak[0] = words[0] & 0xffffffffL;
tweak[0] |= (words[1] & 0xffffffffL) << 32;
tweak[1] |= words[2] & 0xffffffffL;
threefishSetKey(&key, Threefish512, ctx->X, tweak);
Skein_Get64_LSB_First(w, blkPtr, SKEIN_512_STATE_WORDS); /* get input block in little-endian format */
threefishEncryptBlockWords(&key, w, ctx->X);
blkPtr += SKEIN_512_BLOCK_BYTES;
/* do the final "feedforward" xor, update context chaining vars */
ctx->X[0] = ctx->X[0] ^ w[0];
ctx->X[1] = ctx->X[1] ^ w[1];
ctx->X[2] = ctx->X[2] ^ w[2];
ctx->X[3] = ctx->X[3] ^ w[3];
ctx->X[4] = ctx->X[4] ^ w[4];
ctx->X[5] = ctx->X[5] ^ w[5];
ctx->X[6] = ctx->X[6] ^ w[6];
ctx->X[7] = ctx->X[7] ^ w[7];
tweak[1] &= ~SKEIN_T1_FLAG_FIRST;
} while (--blkCnt);
ctx->h.T[0] = tweak[0];
ctx->h.T[1] = tweak[1];
}
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;
u64 tweak[2];
int i;
u64 words[3];
u64 w[SKEIN1024_STATE_WORDS]; /* local copy of input block */
Skein_assert(blkCnt != 0); /* never call with blkCnt == 0! */
tweak[0] = ctx->h.T[0];
tweak[1] = ctx->h.T[1];
do {
u64 carry = byteCntAdd;
words[0] = tweak[0] & 0xffffffffL;
words[1] = ((tweak[0] >> 32) & 0xffffffffL);
words[2] = (tweak[1] & 0xffffffffL);
for (i = 0; i < 3; i++) {
carry += words[i];
words[i] = carry;
carry >>= 32;
}
tweak[0] = words[0] & 0xffffffffL;
tweak[0] |= (words[1] & 0xffffffffL) << 32;
tweak[1] |= words[2] & 0xffffffffL;
threefishSetKey(&key, Threefish1024, ctx->X, tweak);
Skein_Get64_LSB_First(w, blkPtr, SKEIN1024_STATE_WORDS); /* get input block in little-endian format */
threefishEncryptBlockWords(&key, w, ctx->X);
blkPtr += SKEIN1024_BLOCK_BYTES;
/* do the final "feedforward" xor, update context chaining vars */
ctx->X[0] = ctx->X[0] ^ w[0];
ctx->X[1] = ctx->X[1] ^ w[1];
ctx->X[2] = ctx->X[2] ^ w[2];
ctx->X[3] = ctx->X[3] ^ w[3];
ctx->X[4] = ctx->X[4] ^ w[4];
ctx->X[5] = ctx->X[5] ^ w[5];
ctx->X[6] = ctx->X[6] ^ w[6];
ctx->X[7] = ctx->X[7] ^ w[7];
ctx->X[8] = ctx->X[8] ^ w[8];
ctx->X[9] = ctx->X[9] ^ w[9];
ctx->X[10] = ctx->X[10] ^ w[10];
ctx->X[11] = ctx->X[11] ^ w[11];
ctx->X[12] = ctx->X[12] ^ w[12];
ctx->X[13] = ctx->X[13] ^ w[13];
ctx->X[14] = ctx->X[14] ^ w[14];
ctx->X[15] = ctx->X[15] ^ w[15];
tweak[1] &= ~SKEIN_T1_FLAG_FIRST;
} while (--blkCnt);
ctx->h.T[0] = tweak[0];
ctx->h.T[1] = tweak[1];
struct threefish_key key;
u64 tweak[2];
int i;
u64 words[3];
u64 w[SKEIN1024_STATE_WORDS]; /* local copy of input block */
Skein_assert(blkCnt != 0); /* never call with blkCnt == 0! */
tweak[0] = ctx->h.T[0];
tweak[1] = ctx->h.T[1];
do {
u64 carry = byteCntAdd;
words[0] = tweak[0] & 0xffffffffL;
words[1] = ((tweak[0] >> 32) & 0xffffffffL);
words[2] = (tweak[1] & 0xffffffffL);
for (i = 0; i < 3; i++) {
carry += words[i];
words[i] = carry;
carry >>= 32;
}
tweak[0] = words[0] & 0xffffffffL;
tweak[0] |= (words[1] & 0xffffffffL) << 32;
tweak[1] |= words[2] & 0xffffffffL;
threefishSetKey(&key, Threefish1024, ctx->X, tweak);
Skein_Get64_LSB_First(w, blkPtr, SKEIN1024_STATE_WORDS); /* get input block in little-endian format */
threefishEncryptBlockWords(&key, w, ctx->X);
blkPtr += SKEIN1024_BLOCK_BYTES;
/* do the final "feedforward" xor, update context chaining vars */
ctx->X[0] = ctx->X[0] ^ w[0];
ctx->X[1] = ctx->X[1] ^ w[1];
ctx->X[2] = ctx->X[2] ^ w[2];
ctx->X[3] = ctx->X[3] ^ w[3];
ctx->X[4] = ctx->X[4] ^ w[4];
ctx->X[5] = ctx->X[5] ^ w[5];
ctx->X[6] = ctx->X[6] ^ w[6];
ctx->X[7] = ctx->X[7] ^ w[7];
ctx->X[8] = ctx->X[8] ^ w[8];
ctx->X[9] = ctx->X[9] ^ w[9];
ctx->X[10] = ctx->X[10] ^ w[10];
ctx->X[11] = ctx->X[11] ^ w[11];
ctx->X[12] = ctx->X[12] ^ w[12];
ctx->X[13] = ctx->X[13] ^ w[13];
ctx->X[14] = ctx->X[14] ^ w[14];
ctx->X[15] = ctx->X[15] ^ w[15];
tweak[1] &= ~SKEIN_T1_FLAG_FIRST;
} while (--blkCnt);
ctx->h.T[0] = tweak[0];
ctx->h.T[1] = tweak[1];
}
drivers/staging/skein/skein_block.c
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drivers/staging/skein/threefish1024Block.c
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drivers/staging/skein/threefish256Block.c
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drivers/staging/skein/threefish512Block.c
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drivers/staging/skein/threefishApi.c
View file @ 39bd42b0
......@@ -4,75 +4,75 @@
#include <threefishApi.h>
void threefishSetKey(struct threefish_key *keyCtx, enum threefish_size stateSize,
u64 *keyData, u64 *tweak)
u64 *keyData, u64 *tweak)
{
int keyWords = stateSize / 64;
int i;
u64 parity = KeyScheduleConst;
int keyWords = stateSize / 64;
int i;
u64 parity = KeyScheduleConst;
keyCtx->tweak[0] = tweak[0];
keyCtx->tweak[1] = tweak[1];
keyCtx->tweak[2] = tweak[0] ^ tweak[1];
keyCtx->tweak[0] = tweak[0];
keyCtx->tweak[1] = tweak[1];
keyCtx->tweak[2] = tweak[0] ^ tweak[1];
for (i = 0; i < keyWords; i++) {
keyCtx->key[i] = keyData[i];
parity ^= keyData[i];
}
keyCtx->key[i] = parity;
keyCtx->stateSize = stateSize;
for (i = 0; i < keyWords; i++) {
keyCtx->key[i] = keyData[i];
parity ^= keyData[i];
}
keyCtx->key[i] = parity;
keyCtx->stateSize = stateSize;
}
void threefishEncryptBlockBytes(struct threefish_key *keyCtx, u8 *in,
u8 *out)
u8 *out)
{
u64 plain[SKEIN_MAX_STATE_WORDS]; /* max number of words*/
u64 cipher[SKEIN_MAX_STATE_WORDS];
Skein_Get64_LSB_First(plain, in, keyCtx->stateSize / 64); /* bytes to words */
threefishEncryptBlockWords(keyCtx, plain, cipher);
Skein_Put64_LSB_First(out, cipher, keyCtx->stateSize / 8); /* words to bytes */
u64 plain[SKEIN_MAX_STATE_WORDS]; /* max number of words*/
u64 cipher[SKEIN_MAX_STATE_WORDS];
Skein_Get64_LSB_First(plain, in, keyCtx->stateSize / 64); /* bytes to words */
threefishEncryptBlockWords(keyCtx, plain, cipher);
Skein_Put64_LSB_First(out, cipher, keyCtx->stateSize / 8); /* words to bytes */
}
void threefishEncryptBlockWords(struct threefish_key *keyCtx, u64 *in,
u64 *out)
u64 *out)
{
switch (keyCtx->stateSize) {
case Threefish256:
threefishEncrypt256(keyCtx, in, out);
break;
case Threefish512:
threefishEncrypt512(keyCtx, in, out);
break;
case Threefish1024:
threefishEncrypt1024(keyCtx, in, out);
break;
}
switch (keyCtx->stateSize) {
case Threefish256:
threefishEncrypt256(keyCtx, in, out);
break;
case Threefish512:
threefishEncrypt512(keyCtx, in, out);
break;
case Threefish1024:
threefishEncrypt1024(keyCtx, in, out);
break;
}
}
void threefishDecryptBlockBytes(struct threefish_key *keyCtx, u8 *in,
u8 *out)
u8 *out)
{
u64 plain[SKEIN_MAX_STATE_WORDS]; /* max number of words*/
u64 cipher[SKEIN_MAX_STATE_WORDS];
Skein_Get64_LSB_First(cipher, in, keyCtx->stateSize / 64); /* bytes to words */
threefishDecryptBlockWords(keyCtx, cipher, plain);
Skein_Put64_LSB_First(out, plain, keyCtx->stateSize / 8); /* words to bytes */
u64 plain[SKEIN_MAX_STATE_WORDS]; /* max number of words*/
u64 cipher[SKEIN_MAX_STATE_WORDS];
Skein_Get64_LSB_First(cipher, in, keyCtx->stateSize / 64); /* bytes to words */
threefishDecryptBlockWords(keyCtx, cipher, plain);
Skein_Put64_LSB_First(out, plain, keyCtx->stateSize / 8); /* words to bytes */
}
void threefishDecryptBlockWords(struct threefish_key *keyCtx, u64 *in,
u64 *out)
u64 *out)
{
switch (keyCtx->stateSize) {
case Threefish256:
threefishDecrypt256(keyCtx, in, out);
break;
case Threefish512:
threefishDecrypt512(keyCtx, in, out);
break;
case Threefish1024:
threefishDecrypt1024(keyCtx, in, out);
break;
}
switch (keyCtx->stateSize) {
case Threefish256:
threefishDecrypt256(keyCtx, in, out);
break;
case Threefish512:
threefishDecrypt512(keyCtx, in, out);
break;
case Threefish1024:
threefishDecrypt1024(keyCtx, in, out);
break;
}
}
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