yassl_imp.hpp 22.2 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11
/* yassl_imp.hpp                                
 *
 * Copyright (C) 2003 Sawtooth Consulting Ltd.
 *
 * This file is part of yaSSL.
 *
 * yaSSL is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
12 13 14 15
 * There are special exceptions to the terms and conditions of the GPL as it
 * is applied to yaSSL. View the full text of the exception in the file
 * FLOSS-EXCEPTIONS in the directory of this software distribution.
 *
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41
 * yaSSL is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
 */

/*  yaSSL implementation header defines all strucutres from the SSL.v3 
 *  specification "draft-freier-ssl-version3-02.txt"
 *  all page citations refer to this document unless otherwise noted.
 */


#ifndef yaSSL_IMP_HPP
#define yaSSL_IMP_HPP

#ifdef _MSC_VER
    // disable truncated debug symbols
    #pragma warning(disable:4786)
#endif

#include "yassl_types.hpp"
#include "factory.hpp"
42 43 44 45
#include STL_LIST_FILE


namespace STL = STL_NAMESPACE;
46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72


namespace yaSSL {


class SSL;              // forward decls
class input_buffer;
class output_buffer;


struct ProtocolVersion {
    uint8 major_;
    uint8 minor_;     // major and minor SSL/TLS version numbers

    ProtocolVersion(uint8 maj = 3, uint8 min = 0);
};


// Record Layer Header for PlainText, Compressed, and CipherText
struct RecordLayerHeader {
    ContentType     type_;
    ProtocolVersion version_;
    uint16          length_;             // should not exceed 2^14
};


// base for all messages
73
struct Message : public virtual_base {
74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144
    virtual input_buffer& set(input_buffer&) =0;   
    virtual output_buffer& get(output_buffer&) const =0;

    virtual void Process(input_buffer&, SSL&) =0;
    virtual ContentType get_type() const =0;
    virtual uint16      get_length() const =0;

    virtual ~Message() {}
};


class ChangeCipherSpec : public Message {
    CipherChoice type_;
public:
    ChangeCipherSpec();

    friend input_buffer& operator>>(input_buffer&, ChangeCipherSpec&);
    friend output_buffer& operator<<(output_buffer&, const ChangeCipherSpec&);

    input_buffer& set(input_buffer& in);
    output_buffer& get(output_buffer& out) const;

    ContentType get_type()   const;
    uint16      get_length() const;
    void Process(input_buffer&, SSL&);
private:
    ChangeCipherSpec(const ChangeCipherSpec&);            // hide copy
    ChangeCipherSpec& operator=(const ChangeCipherSpec&); // and assign
};



class Alert : public Message {
    AlertLevel       level_;
    AlertDescription description_;
public:
    Alert() {}
    Alert(AlertLevel al, AlertDescription ad);

    ContentType get_type()   const;
    uint16      get_length() const;
    void Process(input_buffer&, SSL&);

    friend input_buffer& operator>>(input_buffer&, Alert&);
    friend output_buffer& operator<<(output_buffer&, const Alert&);
   
    input_buffer& set(input_buffer& in);
    output_buffer& get(output_buffer& out) const;
private:
    Alert(const Alert&);            // hide copy
    Alert& operator=(const Alert&); // and assign
};


class Data : public Message {
    uint16        length_;
    opaque*       buffer_;         // read  buffer used by fillData input
    const opaque* write_buffer_;   // write buffer used by output operator
public:
    Data();
    Data(uint16 len, opaque* b);

    friend output_buffer& operator<<(output_buffer&, const Data&);

    input_buffer& set(input_buffer& in);
    output_buffer& get(output_buffer& out) const;

    ContentType   get_type()     const;
    uint16        get_length()   const;
    void          set_length(uint16 l);
    opaque*       set_buffer();
145
    void          SetData(uint16, const opaque*);
146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183
    void Process(input_buffer&, SSL&);
private:
    Data(const Data&);            // hide copy
    Data& operator=(const Data&); // and assign
};


uint32 c24to32(const uint24);       // forward form internal header
void   c32to24(uint32, uint24&);


// HandShake header, same for each message type from page 20/21
class HandShakeHeader : public Message {
    HandShakeType      type_;
    uint24             length_;      // length of message
public:
    HandShakeHeader() {}

    ContentType   get_type()   const;
    uint16        get_length() const;
    HandShakeType get_handshakeType() const;
    void Process(input_buffer&, SSL&);

    void set_type(HandShakeType hst);
    void set_length(uint32 u32);

    friend input_buffer& operator>>(input_buffer&, HandShakeHeader&);
    friend output_buffer& operator<<(output_buffer&, const HandShakeHeader&);

    input_buffer& set(input_buffer& in);
    output_buffer& get(output_buffer& out) const;
private:
    HandShakeHeader(const HandShakeHeader&);            // hide copy
    HandShakeHeader& operator=(const HandShakeHeader&); // and assign
};


// Base Class for all handshake messages
184
class HandShakeBase : public virtual_base {
185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233
    int     length_;
public:
    int     get_length() const;
    void    set_length(int);

    // for building buffer's type field
    virtual HandShakeType get_type() const =0;                

    // handles dispactch of proper >>
    virtual input_buffer&  set(input_buffer& in) =0;
    virtual output_buffer& get(output_buffer& out) const =0;

    virtual void Process(input_buffer&, SSL&) =0;

    virtual ~HandShakeBase() {}
};


struct HelloRequest : public HandShakeBase {
    input_buffer&  set(input_buffer& in);
    output_buffer& get(output_buffer& out) const;

    void Process(input_buffer&, SSL&);

    HandShakeType get_type() const;
};


// The Client's Hello Message from page 23
class ClientHello : public HandShakeBase {
    ProtocolVersion     client_version_;
    Random              random_;
    uint8               id_len_;                         // session id length
    opaque              session_id_[ID_LEN];
    uint16              suite_len_;                      // cipher suite length
    opaque              cipher_suites_[MAX_SUITE_SZ];
    uint8               comp_len_;                       // compression length
    CompressionMethod   compression_methods_;  
public:
    friend input_buffer&  operator>>(input_buffer&, ClientHello&);
    friend output_buffer& operator<<(output_buffer&, const ClientHello&);
  
    input_buffer&  set(input_buffer& in);
    output_buffer& get(output_buffer& out) const;

    HandShakeType  get_type() const;
    void Process(input_buffer&, SSL&);

    const opaque* get_random() const;
234
    friend void buildClientHello(SSL&, ClientHello&);
235 236 237
    friend void ProcessOldClientHello(input_buffer& input, SSL& ssl);

    ClientHello();
238
    ClientHello(ProtocolVersion pv, bool useCompression);
239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254
private:
    ClientHello(const ClientHello&);            // hide copy
    ClientHello& operator=(const ClientHello&); // and assign
};



// The Server's Hello Message from page 24
class ServerHello : public HandShakeBase {
    ProtocolVersion     server_version_;
    Random              random_;
    uint8               id_len_;                 // session id length
    opaque              session_id_[ID_LEN];
    opaque              cipher_suite_[SUITE_LEN];
    CompressionMethod   compression_method_;
public:
255
    ServerHello(ProtocolVersion pv, bool useCompression);
256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335
    ServerHello();
          
    friend input_buffer&  operator>>(input_buffer&, ServerHello&);
    friend output_buffer& operator<<(output_buffer&, const ServerHello&);
   
    input_buffer&  set(input_buffer& in);
    output_buffer& get(output_buffer& out) const;

    HandShakeType  get_type() const;
    void Process(input_buffer&, SSL&);

    const opaque* get_random() const;
    friend void buildServerHello(SSL&, ServerHello&);
private:
    ServerHello(const ServerHello&);            // hide copy
    ServerHello& operator=(const ServerHello&); // and assign
};


class x509;  

// Certificate could be a chain
class Certificate : public HandShakeBase {
    const x509* cert_;
public:
    Certificate();
    explicit Certificate(const x509* cert); 
    friend output_buffer& operator<<(output_buffer&, const Certificate&);

    const opaque* get_buffer() const;
  
    // Process handles input, needs SSL
    input_buffer&  set(input_buffer& in);
    output_buffer& get(output_buffer& out) const;

    HandShakeType get_type() const;
    void Process(input_buffer&, SSL&);
private:
    Certificate(const Certificate&);            // hide copy
    Certificate& operator=(const Certificate&); // and assign
};



// RSA Public Key
struct ServerRSAParams {
    opaque* rsa_modulus_;
    opaque* rsa_exponent_;
};


// Ephemeral Diffie-Hellman Parameters
class ServerDHParams {
    int pSz_;
    int gSz_;
    int pubSz_;
    opaque* p_;
    opaque* g_;
    opaque* Ys_;
public:
    ServerDHParams();
    ~ServerDHParams();

    int get_pSize()   const;
    int get_gSize()   const;
    int get_pubSize() const;

    const opaque* get_p()   const;
    const opaque* get_g()   const;
    const opaque* get_pub() const;

    opaque* alloc_p(int sz);
    opaque* alloc_g(int sz);
    opaque* alloc_pub(int sz);
private:
    ServerDHParams(const ServerDHParams&);            // hide copy
    ServerDHParams& operator=(const ServerDHParams&); // and assign
};


336
struct ServerKeyBase : public virtual_base {
337 338 339 340 341 342 343 344 345 346 347 348 349 350
    virtual ~ServerKeyBase() {}
    virtual void build(SSL&) {}
    virtual void read(SSL&, input_buffer&) {}
    virtual int  get_length() const;     
    virtual opaque* get_serverKey() const;
};


// Server random number for FORTEZZA KEA
struct Fortezza_Server : public ServerKeyBase {
    opaque r_s_[FORTEZZA_MAX];
};


351
struct SignatureBase : public virtual_base {
352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431
    virtual ~SignatureBase() {}
};

struct anonymous_sa : public SignatureBase {};


struct Hashes {
    uint8 md5_[MD5_LEN];
    uint8 sha_[SHA_LEN];
};
    

struct rsa_sa : public SignatureBase {
    Hashes hashes_;
};


struct dsa_sa : public SignatureBase {
    uint8 sha_[SHA_LEN];
};


// Server's Diffie-Hellman exchange
class DH_Server : public ServerKeyBase {
    ServerDHParams  parms_;
    opaque*         signature_;

    int             length_;                // total length of message
    opaque*         keyMessage_;            // total exchange message
public:
    DH_Server();
    ~DH_Server();

    void build(SSL&);
    void read(SSL&, input_buffer&);
    int  get_length() const;
    opaque* get_serverKey() const;
private:
    DH_Server(const DH_Server&);            // hide copy
    DH_Server& operator=(const DH_Server&); // and assign
};


// Server's RSA exchange
struct RSA_Server : public ServerKeyBase {
    ServerRSAParams params_;
    opaque*         signature_;   // signed rsa_sa hashes
};


class ServerKeyExchange : public HandShakeBase {
    ServerKeyBase* server_key_;
public:
    explicit ServerKeyExchange(SSL&);
    ServerKeyExchange();
    ~ServerKeyExchange();

    void createKey(SSL&);
    void build(SSL& ssl);
   
    const opaque* getKey()       const;
    int           getKeyLength() const;

    input_buffer&  set(input_buffer& in);
    output_buffer& get(output_buffer& out) const;

    friend output_buffer& operator<<(output_buffer&, const ServerKeyExchange&);

    void Process(input_buffer&, SSL&);
    HandShakeType get_type() const;
private:
    ServerKeyExchange(const ServerKeyExchange&);            // hide copy
    ServerKeyExchange& operator=(const ServerKeyExchange&); // and assign
};



class CertificateRequest : public HandShakeBase  {
    ClientCertificateType         certificate_types_[CERT_TYPES];
    int                           typeTotal_;
432
    STL::list<DistinguishedName>  certificate_authorities_;
433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469
public:
    CertificateRequest();
    ~CertificateRequest();

    input_buffer&  set(input_buffer& in);
    output_buffer& get(output_buffer& out) const;

    friend input_buffer&  operator>>(input_buffer&, CertificateRequest&);
    friend output_buffer& operator<<(output_buffer&,
                                     const CertificateRequest&);

    void Process(input_buffer&, SSL&);
    HandShakeType get_type() const;

    void Build();
private:
    CertificateRequest(const CertificateRequest&);              // hide copy
    CertificateRequest& operator=(const CertificateRequest&);   // and assign
};


struct ServerHelloDone : public HandShakeBase {
    ServerHelloDone();
    input_buffer&  set(input_buffer& in);
    output_buffer& get(output_buffer& out) const;

    void Process(input_buffer& input, SSL& ssl);

    HandShakeType get_type() const;
};


struct PreMasterSecret {
    opaque  random_[SECRET_LEN];     // first two bytes Protocol Version
};


470
struct ClientKeyBase : public virtual_base {
471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630
    virtual ~ClientKeyBase() {}
    virtual void build(SSL&) {}
    virtual void read(SSL&, input_buffer&) {}
    virtual int  get_length() const;
    virtual opaque* get_clientKey() const;
};


class EncryptedPreMasterSecret : public ClientKeyBase {
    opaque* secret_;
    int     length_;
public:
    EncryptedPreMasterSecret();
    ~EncryptedPreMasterSecret();

    void    build(SSL&);
    void    read(SSL&, input_buffer&);
    int     get_length()    const;
    opaque* get_clientKey() const;
    void    alloc(int sz);
private:
    // hide copy and assign
    EncryptedPreMasterSecret(const EncryptedPreMasterSecret&);           
    EncryptedPreMasterSecret& operator=(const EncryptedPreMasterSecret&);
};


// Fortezza Key Parameters from page 29
// hard code lengths cause only used here
struct FortezzaKeys : public ClientKeyBase {
    opaque  y_c_                      [128];    // client's Yc, public value
    opaque  r_c_                      [128];    // client's Rc
    opaque  y_signature_              [40];     // DSS signed public key
    opaque  wrapped_client_write_key_ [12];     // wrapped by the TEK
    opaque  wrapped_server_write_key_ [12];     // wrapped by the TEK
    opaque  client_write_iv_          [24];      
    opaque  server_write_iv_          [24];
    opaque  master_secret_iv_         [24];     // IV used to encrypt preMaster
    opaque  encrypted_preMasterSecret_[48];     // random & crypted by the TEK
};



// Diffie-Hellman public key from page 40/41
class  ClientDiffieHellmanPublic : public ClientKeyBase {
    PublicValueEncoding public_value_encoding_;
    int     length_;    // includes two byte length for message
    opaque* Yc_;        // length + Yc_
    // dh_Yc only if explicit, otherwise sent in certificate
    enum { KEY_OFFSET = 2 };
public:
    ClientDiffieHellmanPublic();
    ~ClientDiffieHellmanPublic();

    void    build(SSL&);
    void    read(SSL&, input_buffer&);
    int     get_length()    const;
    opaque* get_clientKey() const;
    void    alloc(int sz, bool offset = false);
private:
    // hide copy and assign
    ClientDiffieHellmanPublic(const ClientDiffieHellmanPublic&);
    ClientDiffieHellmanPublic& operator=(const ClientDiffieHellmanPublic&);
};


class ClientKeyExchange : public HandShakeBase {
    ClientKeyBase*  client_key_;
public:
    explicit ClientKeyExchange(SSL& ssl);
    ClientKeyExchange();
    ~ClientKeyExchange();

    void createKey(SSL&);
    void build(SSL& ssl);
   
    const opaque* getKey()       const;
    int           getKeyLength() const;

    friend output_buffer& operator<<(output_buffer&, const ClientKeyExchange&);
   
    input_buffer&  set(input_buffer& in);
    output_buffer& get(output_buffer& out) const;

    HandShakeType  get_type() const;
    void Process(input_buffer&, SSL&);
private:
    ClientKeyExchange(const ClientKeyExchange&);            // hide copy
    ClientKeyExchange& operator=(const ClientKeyExchange&); // and assign
};


class CertificateVerify : public HandShakeBase {
    Hashes             hashes_;
    byte*              signature_;  // owns
public:
    CertificateVerify();
    ~CertificateVerify();

    input_buffer&  set(input_buffer& in);
    output_buffer& get(output_buffer& out) const;

    friend input_buffer&  operator>>(input_buffer&, CertificateVerify&);
    friend output_buffer& operator<<(output_buffer&, const CertificateVerify&);

    void Process(input_buffer&, SSL&);
    HandShakeType get_type() const;

    void Build(SSL&);
private:
    CertificateVerify(const CertificateVerify&);              // hide copy
    CertificateVerify& operator=(const CertificateVerify&);   // and assign
};


class Finished : public HandShakeBase {
    Hashes hashes_;
public:
    Finished();

    uint8* set_md5();
    uint8* set_sha();

    friend input_buffer& operator>>(input_buffer&, Finished&);
    friend output_buffer& operator<<(output_buffer&, const Finished&);

    input_buffer&  set(input_buffer& in);
    output_buffer& get(output_buffer& out) const;

    void Process(input_buffer&, SSL&);

    HandShakeType get_type() const;
private:
    Finished(const Finished&);            // hide copy
    Finished& operator=(const Finished&); // and assign
};


class RandomPool;  // forward for connection


// SSL Connection defined on page 11
struct Connection {
    opaque          *pre_master_secret_;
    opaque          master_secret_[SECRET_LEN];
    opaque          client_random_[RAN_LEN];
    opaque          server_random_[RAN_LEN];
    opaque          sessionID_[ID_LEN];
    opaque          client_write_MAC_secret_[SHA_LEN]; // sha  is max size
    opaque          server_write_MAC_secret_[SHA_LEN];
    opaque          client_write_key_[AES_256_KEY_SZ]; // aes 256bit is max sz
    opaque          server_write_key_[AES_256_KEY_SZ];
    opaque          client_write_IV_[AES_IV_SZ];       // aes is max size
    opaque          server_write_IV_[AES_IV_SZ];
    uint32          sequence_number_;
    uint32          peer_sequence_number_;
    uint32          pre_secret_len_;                   // pre master length
    bool            send_server_key_;                  // server key exchange?
    bool            master_clean_;                     // master secret clean?
    bool            TLS_;                              // TLSv1 or greater
631
    bool            TLSv1_1_;                          // TLSv1.1 or greater
632
    bool            sessionID_Set_;                    // do we have a session
633 634 635
    bool            compression_;                      // zlib compression?
    ProtocolVersion version_;                          // negotiated version
    ProtocolVersion chVersion_;                        // client hello version
636 637 638 639 640 641 642 643 644
    RandomPool&     random_;

    Connection(ProtocolVersion v, RandomPool& ran);
    ~Connection();

    void AllocPreSecret(uint sz);
    void CleanPreMaster();
    void CleanMaster();
    void TurnOffTLS();
645
    void TurnOffTLS1_1();
646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675
private:
    Connection(const Connection&);              // hide copy
    Connection& operator=(const Connection&);   // and assign
};


struct Ciphers;   // forward


// TLSv1 Security Spec, defined on page 56 of RFC 2246
struct Parameters {
    ConnectionEnd        entity_;
    BulkCipherAlgorithm  bulk_cipher_algorithm_;
    CipherType           cipher_type_;
    uint8                key_size_;
    uint8                iv_size_;
    IsExportable         is_exportable_;
    MACAlgorithm         mac_algorithm_;
    uint8                hash_size_;
    CompressionMethod    compression_algorithm_;
    KeyExchangeAlgorithm kea_;                        // yassl additions
    SignatureAlgorithm   sig_algo_;                   // signature auth type
    SignatureAlgorithm   verify_algo_;                // cert verify auth type
    bool                 pending_;                  
    bool                 resumable_;                  // new conns by session
    uint16               encrypt_size_;               // current msg encrypt sz
    Cipher               suite_[SUITE_LEN];           // choosen suite
    uint8                suites_size_;
    Cipher               suites_[MAX_SUITE_SZ];
    char                 cipher_name_[MAX_SUITE_NAME];
676
    char                 cipher_list_[MAX_CIPHERS][MAX_SUITE_NAME];
677

678
    Parameters(ConnectionEnd, const Ciphers&, ProtocolVersion, bool haveDH);
679

680
    void SetSuites(ProtocolVersion pv, bool removeDH = false);
681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753
    void SetCipherNames();
private:
    Parameters(const Parameters&);              // hide copy
    Parameters& operator=(const Parameters&);   // and assing
};


input_buffer&  operator>>(input_buffer&,  RecordLayerHeader&);
output_buffer& operator<<(output_buffer&, const RecordLayerHeader&);

input_buffer&  operator>>(input_buffer&,  Message&);
output_buffer& operator<<(output_buffer&, const Message&);

input_buffer&  operator>>(input_buffer&,  HandShakeBase&);
output_buffer& operator<<(output_buffer&, const HandShakeBase&);


// Message Factory definition
// uses the ContentType enumeration for unique id
typedef Factory<Message> MessageFactory;
void    InitMessageFactory(MessageFactory&);     // registers derived classes

// HandShake Factory definition
// uses the HandShakeType enumeration for unique id
typedef Factory<HandShakeBase> HandShakeFactory;  
void    InitHandShakeFactory(HandShakeFactory&); // registers derived classes

// ServerKey Factory definition
// uses KeyExchangeAlgorithm enumeration for unique  id
typedef Factory<ServerKeyBase> ServerKeyFactory;
void    InitServerKeyFactory(ServerKeyFactory&);

// ClientKey Factory definition
// uses KeyExchangeAlgorithm enumeration for unique  id
typedef Factory<ClientKeyBase> ClientKeyFactory;
void    InitClientKeyFactory(ClientKeyFactory&);


// Message Creators
Message* CreateHandShake();
Message* CreateCipherSpec();
Message* CreateAlert();
Message* CreateData();


// HandShake Creators
HandShakeBase* CreateCertificate();
HandShakeBase* CreateHelloRequest();
HandShakeBase* CreateClientHello();
HandShakeBase* CreateServerHello();
HandShakeBase* CreateServerKeyExchange();
HandShakeBase* CreateCertificateRequest();
HandShakeBase* CreateServerHelloDone();
HandShakeBase* CreateClientKeyExchange();
HandShakeBase* CreateCertificateVerify();
HandShakeBase* CreateFinished();


// ServerKey Exchange Creators
ServerKeyBase* CreateRSAServerKEA();
ServerKeyBase* CreateDHServerKEA();
ServerKeyBase* CreateFortezzaServerKEA();

// ClientKey Exchange Creators
ClientKeyBase* CreateRSAClient();
ClientKeyBase* CreateDHClient();
ClientKeyBase* CreateFortezzaClient();



} // naemspace

#endif // yaSSL_IMP_HPP