ssl/ssl3.h

   1 /* ssl/ssl3.h */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58
  59 #ifndef HEADER_SSL3_H
  60 #define HEADER_SSL3_H
  61
  62 #include <openssl/buffer.h>
  63 #include <openssl/evp.h>
  64 #include <openssl/ssl.h>
  65
  66 #ifdef  __cplusplus
  67 extern "C" {
  68 #endif
  69
  70 #define SSL3_CK_RSA_NULL_MD5                    0x03000001
  71 #define SSL3_CK_RSA_NULL_SHA                    0x03000002
  72 #define SSL3_CK_RSA_RC4_40_MD5                  0x03000003
  73 #define SSL3_CK_RSA_RC4_128_MD5                 0x03000004
  74 #define SSL3_CK_RSA_RC4_128_SHA                 0x03000005
  75 #define SSL3_CK_RSA_RC2_40_MD5                  0x03000006
  76 #define SSL3_CK_RSA_IDEA_128_SHA                0x03000007
  77 #define SSL3_CK_RSA_DES_40_CBC_SHA              0x03000008
  78 #define SSL3_CK_RSA_DES_64_CBC_SHA              0x03000009
  79 #define SSL3_CK_RSA_DES_192_CBC3_SHA            0x0300000A
  80
  81 #define SSL3_CK_DH_DSS_DES_40_CBC_SHA           0x0300000B
  82 #define SSL3_CK_DH_DSS_DES_64_CBC_SHA           0x0300000C
  83 #define SSL3_CK_DH_DSS_DES_192_CBC3_SHA         0x0300000D
  84 #define SSL3_CK_DH_RSA_DES_40_CBC_SHA           0x0300000E
  85 #define SSL3_CK_DH_RSA_DES_64_CBC_SHA           0x0300000F
  86 #define SSL3_CK_DH_RSA_DES_192_CBC3_SHA         0x03000010
  87
  88 #define SSL3_CK_EDH_DSS_DES_40_CBC_SHA          0x03000011
  89 #define SSL3_CK_EDH_DSS_DES_64_CBC_SHA          0x03000012
  90 #define SSL3_CK_EDH_DSS_DES_192_CBC3_SHA        0x03000013
  91 #define SSL3_CK_EDH_RSA_DES_40_CBC_SHA          0x03000014
  92 #define SSL3_CK_EDH_RSA_DES_64_CBC_SHA          0x03000015
  93 #define SSL3_CK_EDH_RSA_DES_192_CBC3_SHA        0x03000016
  94
  95 #define SSL3_CK_ADH_RC4_40_MD5                  0x03000017
  96 #define SSL3_CK_ADH_RC4_128_MD5                 0x03000018
  97 #define SSL3_CK_ADH_DES_40_CBC_SHA              0x03000019
  98 #define SSL3_CK_ADH_DES_64_CBC_SHA              0x0300001A
  99 #define SSL3_CK_ADH_DES_192_CBC_SHA             0x0300001B
 100
 101 #define SSL3_CK_FZA_DMS_NULL_SHA                0x0300001C
 102 #define SSL3_CK_FZA_DMS_FZA_SHA                 0x0300001D
 103 #define SSL3_CK_FZA_DMS_RC4_SHA                 0x0300001E
 104
 105 #define SSL3_TXT_RSA_NULL_MD5                   "NULL-MD5"
 106 #define SSL3_TXT_RSA_NULL_SHA                   "NULL-SHA"
 107 #define SSL3_TXT_RSA_RC4_40_MD5                 "EXP-RC4-MD5"
 108 #define SSL3_TXT_RSA_RC4_128_MD5                "RC4-MD5"
 109 #define SSL3_TXT_RSA_RC4_128_SHA                "RC4-SHA"
 110 #define SSL3_TXT_RSA_RC2_40_MD5                 "EXP-RC2-CBC-MD5"
 111 #define SSL3_TXT_RSA_IDEA_128_SHA               "IDEA-CBC-SHA"
 112 #define SSL3_TXT_RSA_DES_40_CBC_SHA             "EXP-DES-CBC-SHA"
 113 #define SSL3_TXT_RSA_DES_64_CBC_SHA             "DES-CBC-SHA"
 114 #define SSL3_TXT_RSA_DES_192_CBC3_SHA           "DES-CBC3-SHA"
 115
 116 #define SSL3_TXT_DH_DSS_DES_40_CBC_SHA          "EXP-DH-DSS-DES-CBC-SHA"
 117 #define SSL3_TXT_DH_DSS_DES_64_CBC_SHA          "DH-DSS-DES-CBC-SHA"
 118 #define SSL3_TXT_DH_DSS_DES_192_CBC3_SHA        "DH-DSS-DES-CBC3-SHA"
 119 #define SSL3_TXT_DH_RSA_DES_40_CBC_SHA          "EXP-DH-RSA-DES-CBC-SHA"
 120 #define SSL3_TXT_DH_RSA_DES_64_CBC_SHA          "DH-RSA-DES-CBC-SHA"
 121 #define SSL3_TXT_DH_RSA_DES_192_CBC3_SHA        "DH-RSA-DES-CBC3-SHA"
 122
 123 #define SSL3_TXT_EDH_DSS_DES_40_CBC_SHA         "EXP-EDH-DSS-DES-CBC-SHA"
 124 #define SSL3_TXT_EDH_DSS_DES_64_CBC_SHA         "EDH-DSS-DES-CBC-SHA"
 125 #define SSL3_TXT_EDH_DSS_DES_192_CBC3_SHA       "EDH-DSS-DES-CBC3-SHA"
 126 #define SSL3_TXT_EDH_RSA_DES_40_CBC_SHA         "EXP-EDH-RSA-DES-CBC-SHA"
 127 #define SSL3_TXT_EDH_RSA_DES_64_CBC_SHA         "EDH-RSA-DES-CBC-SHA"
 128 #define SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA       "EDH-RSA-DES-CBC3-SHA"
 129
 130 #define SSL3_TXT_ADH_RC4_40_MD5                 "EXP-ADH-RC4-MD5"
 131 #define SSL3_TXT_ADH_RC4_128_MD5                "ADH-RC4-MD5"
 132 #define SSL3_TXT_ADH_DES_40_CBC_SHA             "EXP-ADH-DES-CBC-SHA"
 133 #define SSL3_TXT_ADH_DES_64_CBC_SHA             "ADH-DES-CBC-SHA"
 134 #define SSL3_TXT_ADH_DES_192_CBC_SHA            "ADH-DES-CBC3-SHA"
 135
 136 #define SSL3_TXT_FZA_DMS_NULL_SHA               "FZA-NULL-SHA"
 137 #define SSL3_TXT_FZA_DMS_FZA_SHA                "FZA-FZA-CBC-SHA"
 138 #define SSL3_TXT_FZA_DMS_RC4_SHA                "FZA-RC4-SHA"
 139
 140 #define SSL3_SSL_SESSION_ID_LENGTH              32
 141 #define SSL3_MAX_SSL_SESSION_ID_LENGTH          32
 142
 143 #define SSL3_MASTER_SECRET_SIZE                 48
 144 #define SSL3_RANDOM_SIZE                        32
 145 #define SSL3_SESSION_ID_SIZE                    32
 146 #define SSL3_RT_HEADER_LENGTH                   5
 147
 148 /* Due to MS stuffing up, this can change.... */
 149 #if defined(WIN16) || (defined(MSDOS) && !defined(WIN32))
 150 #define SSL3_RT_MAX_EXTRA                       (14000)
 151 #else
 152 #define SSL3_RT_MAX_EXTRA                       (16384)
 153 #endif
 154
 155 #define SSL3_RT_MAX_PLAIN_LENGTH                16384
 156 #define SSL3_RT_MAX_COMPRESSED_LENGTH   (1024+SSL3_RT_MAX_PLAIN_LENGTH)
 157 #define SSL3_RT_MAX_ENCRYPTED_LENGTH    (1024+SSL3_RT_MAX_COMPRESSED_LENGTH)
 158 #define SSL3_RT_MAX_PACKET_SIZE         (SSL3_RT_MAX_ENCRYPTED_LENGTH+SSL3_RT_HEADER_LENGTH)
 159 #define SSL3_RT_MAX_DATA_SIZE                   (1024*1024)
 160
 161 #define SSL3_MD_CLIENT_FINISHED_CONST   "\x43\x4C\x4E\x54"
 162 #define SSL3_MD_SERVER_FINISHED_CONST   "\x53\x52\x56\x52"
 163
 164 #define SSL3_VERSION                    0x0300
 165 #define SSL3_VERSION_MAJOR              0x03
 166 #define SSL3_VERSION_MINOR              0x00
 167
 168 #define SSL3_RT_CHANGE_CIPHER_SPEC      20
 169 #define SSL3_RT_ALERT                   21
 170 #define SSL3_RT_HANDSHAKE               22
 171 #define SSL3_RT_APPLICATION_DATA        23
 172
 173 #define SSL3_AL_WARNING                 1
 174 #define SSL3_AL_FATAL                   2
 175
 176 #define SSL3_AD_CLOSE_NOTIFY             0
 177 #define SSL3_AD_UNEXPECTED_MESSAGE      10      /* fatal */
 178 #define SSL3_AD_BAD_RECORD_MAC          20      /* fatal */
 179 #define SSL3_AD_DECOMPRESSION_FAILURE   30      /* fatal */
 180 #define SSL3_AD_HANDSHAKE_FAILURE       40      /* fatal */
 181 #define SSL3_AD_NO_CERTIFICATE          41
 182 #define SSL3_AD_BAD_CERTIFICATE         42
 183 #define SSL3_AD_UNSUPPORTED_CERTIFICATE 43
 184 #define SSL3_AD_CERTIFICATE_REVOKED     44
 185 #define SSL3_AD_CERTIFICATE_EXPIRED     45
 186 #define SSL3_AD_CERTIFICATE_UNKNOWN     46
 187 #define SSL3_AD_ILLEGAL_PARAMETER       47      /* fatal */
 188
 189 typedef struct ssl3_record_st
 190         {
 191 /*r */  int type;               /* type of record */
 192 /*rw*/  unsigned int length;    /* How many bytes available */
 193 /*r */  unsigned int off;       /* read/write offset into 'buf' */
 194 /*rw*/  unsigned char *data;    /* pointer to the record data */
 195 /*rw*/  unsigned char *input;   /* where the decode bytes are */
 196 /*r */  unsigned char *comp;    /* only used with decompression - malloc()ed */
 197         } SSL3_RECORD;
 198
 199 typedef struct ssl3_buffer_st
 200         {
 201         unsigned char *buf;     /* SSL3_RT_MAX_PACKET_SIZE bytes (more if
 202                                  * SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER is set) */
 203         int offset;             /* where to 'copy from' */
 204         int left;               /* how many bytes left */
 205         } SSL3_BUFFER;
 206
 207 #define SSL3_CT_RSA_SIGN                        1
 208 #define SSL3_CT_DSS_SIGN                        2
 209 #define SSL3_CT_RSA_FIXED_DH                    3
 210 #define SSL3_CT_DSS_FIXED_DH                    4
 211 #define SSL3_CT_RSA_EPHEMERAL_DH                5
 212 #define SSL3_CT_DSS_EPHEMERAL_DH                6
 213 #define SSL3_CT_FORTEZZA_DMS                    20
 214 #define SSL3_CT_NUMBER                          7
 215
 216 #define SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS       0x0001
 217 #define SSL3_FLAGS_DELAY_CLIENT_FINISHED        0x0002
 218 #define SSL3_FLAGS_POP_BUFFER                   0x0004
 219 #define TLS1_FLAGS_TLS_PADDING_BUG              0x0008
 220
 221 typedef struct ssl3_state_st
 222         {
 223         long flags;
 224         int delay_buf_pop_ret;
 225
 226         unsigned char read_sequence[8];
 227         unsigned char read_mac_secret[EVP_MAX_MD_SIZE];
 228         unsigned char write_sequence[8];
 229         unsigned char write_mac_secret[EVP_MAX_MD_SIZE];
 230
 231         unsigned char server_random[SSL3_RANDOM_SIZE];
 232         unsigned char client_random[SSL3_RANDOM_SIZE];
 233
 234         SSL3_BUFFER rbuf;       /* read IO goes into here */
 235         SSL3_BUFFER wbuf;       /* write IO goes into here */
 236
 237         SSL3_RECORD rrec;       /* each decoded record goes in here */
 238         SSL3_RECORD wrec;       /* goes out from here */
 239
 240         /* storage for Alert/Handshake protocol data received but not
 241          * yet processed by ssl3_read_bytes: */
 242         unsigned char alert_fragment[2];
 243         int alert_fragment_len;
 244         unsigned char handshake_fragment[4];
 245         int handshake_fragment_len;
 246
 247         /* partial write - check the numbers match */
 248         unsigned int wnum;      /* number of bytes sent so far */
 249         int wpend_tot;          /* number bytes written */
 250         int wpend_type;
 251         int wpend_ret;          /* number of bytes submitted */
 252         const unsigned char *wpend_buf;
 253
 254         /* used during startup, digest all incoming/outgoing packets */
 255         EVP_MD_CTX finish_dgst1;
 256         EVP_MD_CTX finish_dgst2;
 257
 258         /* this is set whenerver we see a change_cipher_spec message
 259          * come in when we are not looking for one */
 260         int change_cipher_spec;
 261
 262         int warn_alert;
 263         int fatal_alert;
 264         /* we allow one fatal and one warning alert to be outstanding,
 265          * send close alert via the warning alert */
 266         int alert_dispatch;
 267         unsigned char send_alert[2];
 268
 269         /* This flag is set when we should renegotiate ASAP, basically when
 270          * there is no more data in the read or write buffers */
 271         int renegotiate;
 272         int total_renegotiations;
 273         int num_renegotiations;
 274
 275         int in_read_app_data;
 276
 277         struct  {
 278                 /* actually only needs to be 16+20 */
 279                 unsigned char cert_verify_md[EVP_MAX_MD_SIZE*2];
 280
 281                 /* actually only need to be 16+20 for SSLv3 and 12 for TLS */
 282                 unsigned char finish_md[EVP_MAX_MD_SIZE*2];
 283                 int finish_md_len;
 284                 unsigned char peer_finish_md[EVP_MAX_MD_SIZE*2];
 285                 int peer_finish_md_len;
 286
 287                 unsigned long message_size;
 288                 int message_type;
 289
 290                 /* used to hold the new cipher we are going to use */
 291                 SSL_CIPHER *new_cipher;
 292 #ifndef NO_DH
 293                 DH *dh;
 294 #endif
 295                 /* used when SSL_ST_FLUSH_DATA is entered */
 296                 int next_state;
 297
 298                 int reuse_message;
 299
 300                 /* used for certificate requests */
 301                 int cert_req;
 302                 int ctype_num;
 303                 char ctype[SSL3_CT_NUMBER];
 304                 STACK_OF(X509_NAME) *ca_names;
 305
 306                 int use_rsa_tmp;
 307
 308                 int key_block_length;
 309                 unsigned char *key_block;
 310
 311                 const EVP_CIPHER *new_sym_enc;
 312                 const EVP_MD *new_hash;
 313 #ifdef HEADER_COMP_H
 314                 const SSL_COMP *new_compression;
 315 #else
 316                 char *new_compression;
 317 #endif
 318                 int cert_request;
 319                 } tmp;
 320
 321         } SSL3_STATE;
 322
 323 /* SSLv3 */
 324 /*client */
 325 /* extra state */
 326 #define SSL3_ST_CW_FLUSH                (0x100|SSL_ST_CONNECT)
 327 /* write to server */
 328 #define SSL3_ST_CW_CLNT_HELLO_A         (0x110|SSL_ST_CONNECT)
 329 #define SSL3_ST_CW_CLNT_HELLO_B         (0x111|SSL_ST_CONNECT)
 330 /* read from server */
 331 #define SSL3_ST_CR_SRVR_HELLO_A         (0x120|SSL_ST_CONNECT)
 332 #define SSL3_ST_CR_SRVR_HELLO_B         (0x121|SSL_ST_CONNECT)
 333 #define SSL3_ST_CR_CERT_A               (0x130|SSL_ST_CONNECT)
 334 #define SSL3_ST_CR_CERT_B               (0x131|SSL_ST_CONNECT)
 335 #define SSL3_ST_CR_KEY_EXCH_A           (0x140|SSL_ST_CONNECT)
 336 #define SSL3_ST_CR_KEY_EXCH_B           (0x141|SSL_ST_CONNECT)
 337 #define SSL3_ST_CR_CERT_REQ_A           (0x150|SSL_ST_CONNECT)
 338 #define SSL3_ST_CR_CERT_REQ_B           (0x151|SSL_ST_CONNECT)
 339 #define SSL3_ST_CR_SRVR_DONE_A          (0x160|SSL_ST_CONNECT)
 340 #define SSL3_ST_CR_SRVR_DONE_B          (0x161|SSL_ST_CONNECT)
 341 /* write to server */
 342 #define SSL3_ST_CW_CERT_A               (0x170|SSL_ST_CONNECT)
 343 #define SSL3_ST_CW_CERT_B               (0x171|SSL_ST_CONNECT)
 344 #define SSL3_ST_CW_CERT_C               (0x172|SSL_ST_CONNECT)
 345 #define SSL3_ST_CW_CERT_D               (0x173|SSL_ST_CONNECT)
 346 #define SSL3_ST_CW_KEY_EXCH_A           (0x180|SSL_ST_CONNECT)
 347 #define SSL3_ST_CW_KEY_EXCH_B           (0x181|SSL_ST_CONNECT)
 348 #define SSL3_ST_CW_CERT_VRFY_A          (0x190|SSL_ST_CONNECT)
 349 #define SSL3_ST_CW_CERT_VRFY_B          (0x191|SSL_ST_CONNECT)
 350 #define SSL3_ST_CW_CHANGE_A             (0x1A0|SSL_ST_CONNECT)
 351 #define SSL3_ST_CW_CHANGE_B             (0x1A1|SSL_ST_CONNECT)
 352 #define SSL3_ST_CW_FINISHED_A           (0x1B0|SSL_ST_CONNECT)
 353 #define SSL3_ST_CW_FINISHED_B           (0x1B1|SSL_ST_CONNECT)
 354 /* read from server */
 355 #define SSL3_ST_CR_CHANGE_A             (0x1C0|SSL_ST_CONNECT)
 356 #define SSL3_ST_CR_CHANGE_B             (0x1C1|SSL_ST_CONNECT)
 357 #define SSL3_ST_CR_FINISHED_A           (0x1D0|SSL_ST_CONNECT)
 358 #define SSL3_ST_CR_FINISHED_B           (0x1D1|SSL_ST_CONNECT)
 359
 360 /* server */
 361 /* extra state */
 362 #define SSL3_ST_SW_FLUSH                (0x100|SSL_ST_ACCEPT)
 363 /* read from client */
 364 /* Do not change the number values, they do matter */
 365 #define SSL3_ST_SR_CLNT_HELLO_A         (0x110|SSL_ST_ACCEPT)
 366 #define SSL3_ST_SR_CLNT_HELLO_B         (0x111|SSL_ST_ACCEPT)
 367 #define SSL3_ST_SR_CLNT_HELLO_C         (0x112|SSL_ST_ACCEPT)
 368 /* write to client */
 369 #define SSL3_ST_SW_HELLO_REQ_A          (0x120|SSL_ST_ACCEPT)
 370 #define SSL3_ST_SW_HELLO_REQ_B          (0x121|SSL_ST_ACCEPT)
 371 #define SSL3_ST_SW_HELLO_REQ_C          (0x122|SSL_ST_ACCEPT)
 372 #define SSL3_ST_SW_SRVR_HELLO_A         (0x130|SSL_ST_ACCEPT)
 373 #define SSL3_ST_SW_SRVR_HELLO_B         (0x131|SSL_ST_ACCEPT)
 374 #define SSL3_ST_SW_CERT_A               (0x140|SSL_ST_ACCEPT)
 375 #define SSL3_ST_SW_CERT_B               (0x141|SSL_ST_ACCEPT)
 376 #define SSL3_ST_SW_KEY_EXCH_A           (0x150|SSL_ST_ACCEPT)
 377 #define SSL3_ST_SW_KEY_EXCH_B           (0x151|SSL_ST_ACCEPT)
 378 #define SSL3_ST_SW_CERT_REQ_A           (0x160|SSL_ST_ACCEPT)
 379 #define SSL3_ST_SW_CERT_REQ_B           (0x161|SSL_ST_ACCEPT)
 380 #define SSL3_ST_SW_SRVR_DONE_A          (0x170|SSL_ST_ACCEPT)
 381 #define SSL3_ST_SW_SRVR_DONE_B          (0x171|SSL_ST_ACCEPT)
 382 /* read from client */
 383 #define SSL3_ST_SR_CERT_A               (0x180|SSL_ST_ACCEPT)
 384 #define SSL3_ST_SR_CERT_B               (0x181|SSL_ST_ACCEPT)
 385 #define SSL3_ST_SR_KEY_EXCH_A           (0x190|SSL_ST_ACCEPT)
 386 #define SSL3_ST_SR_KEY_EXCH_B           (0x191|SSL_ST_ACCEPT)
 387 #define SSL3_ST_SR_CERT_VRFY_A          (0x1A0|SSL_ST_ACCEPT)
 388 #define SSL3_ST_SR_CERT_VRFY_B          (0x1A1|SSL_ST_ACCEPT)
 389 #define SSL3_ST_SR_CHANGE_A             (0x1B0|SSL_ST_ACCEPT)
 390 #define SSL3_ST_SR_CHANGE_B             (0x1B1|SSL_ST_ACCEPT)
 391 #define SSL3_ST_SR_FINISHED_A           (0x1C0|SSL_ST_ACCEPT)
 392 #define SSL3_ST_SR_FINISHED_B           (0x1C1|SSL_ST_ACCEPT)
 393 /* write to client */
 394 #define SSL3_ST_SW_CHANGE_A             (0x1D0|SSL_ST_ACCEPT)
 395 #define SSL3_ST_SW_CHANGE_B             (0x1D1|SSL_ST_ACCEPT)
 396 #define SSL3_ST_SW_FINISHED_A           (0x1E0|SSL_ST_ACCEPT)
 397 #define SSL3_ST_SW_FINISHED_B           (0x1E1|SSL_ST_ACCEPT)
 398
 399 #define SSL3_MT_HELLO_REQUEST                   0
 400 #define SSL3_MT_CLIENT_HELLO                    1
 401 #define SSL3_MT_SERVER_HELLO                    2
 402 #define SSL3_MT_CERTIFICATE                     11
 403 #define SSL3_MT_SERVER_KEY_EXCHANGE             12
 404 #define SSL3_MT_CERTIFICATE_REQUEST             13
 405 #define SSL3_MT_SERVER_DONE                     14
 406 #define SSL3_MT_CERTIFICATE_VERIFY              15
 407 #define SSL3_MT_CLIENT_KEY_EXCHANGE             16
 408 #define SSL3_MT_FINISHED                        20
 409
 410 #define SSL3_MT_CCS                             1
 411
 412 /* These are used when changing over to a new cipher */
 413 #define SSL3_CC_READ            0x01
 414 #define SSL3_CC_WRITE           0x02
 415 #define SSL3_CC_CLIENT          0x10
 416 #define SSL3_CC_SERVER          0x20
 417 #define SSL3_CHANGE_CIPHER_CLIENT_WRITE (SSL3_CC_CLIENT|SSL3_CC_WRITE)
 418 #define SSL3_CHANGE_CIPHER_SERVER_READ  (SSL3_CC_SERVER|SSL3_CC_READ)
 419 #define SSL3_CHANGE_CIPHER_CLIENT_READ  (SSL3_CC_CLIENT|SSL3_CC_READ)
 420 #define SSL3_CHANGE_CIPHER_SERVER_WRITE (SSL3_CC_SERVER|SSL3_CC_WRITE)
 421
 422 #ifdef  __cplusplus
 423 }
 424 #endif
 425 #endif
 426