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 /* the states that a SSL3_RECORD can be in
 162  * For SSL_read it goes
 163  * rbuf->ENCODED        -> read
 164  * ENCODED              -> we need to decode everything - call decode_record
 165  */
 166
 167 #define SSL3_RS_BLANK                   1
 168 #define SSL3_RS_DATA
 169
 170 #define SSL3_RS_ENCODED                 2
 171 #define SSL3_RS_READ_MORE               3
 172 #define SSL3_RS_WRITE_MORE
 173 #define SSL3_RS_PLAIN                   3
 174 #define SSL3_RS_PART_READ               4
 175 #define SSL3_RS_PART_WRITE              5
 176
 177 #define SSL3_MD_CLIENT_FINISHED_CONST   {0x43,0x4C,0x4E,0x54}
 178 #define SSL3_MD_SERVER_FINISHED_CONST   {0x53,0x52,0x56,0x52}
 179
 180 #define SSL3_VERSION                    0x0300
 181 #define SSL3_VERSION_MAJOR              0x03
 182 #define SSL3_VERSION_MINOR              0x00
 183
 184 #define SSL3_RT_CHANGE_CIPHER_SPEC      20
 185 #define SSL3_RT_ALERT                   21
 186 #define SSL3_RT_HANDSHAKE               22
 187 #define SSL3_RT_APPLICATION_DATA        23
 188
 189 #define SSL3_AL_WARNING                 1
 190 #define SSL3_AL_FATAL                   2
 191
 192 #define SSL3_AD_CLOSE_NOTIFY             0
 193 #define SSL3_AD_UNEXPECTED_MESSAGE      10      /* fatal */
 194 #define SSL3_AD_BAD_RECORD_MAC          20      /* fatal */
 195 #define SSL3_AD_DECOMPRESSION_FAILURE   30      /* fatal */
 196 #define SSL3_AD_HANDSHAKE_FAILURE       40      /* fatal */
 197 #define SSL3_AD_NO_CERTIFICATE          41
 198 #define SSL3_AD_BAD_CERTIFICATE         42
 199 #define SSL3_AD_UNSUPPORTED_CERTIFICATE 43
 200 #define SSL3_AD_CERTIFICATE_REVOKED     44
 201 #define SSL3_AD_CERTIFICATE_EXPIRED     45
 202 #define SSL3_AD_CERTIFICATE_UNKNOWN     46
 203 #define SSL3_AD_ILLEGAL_PARAMETER       47      /* fatal */
 204
 205 typedef struct ssl3_record_st
 206         {
 207 /*r */  int type;               /* type of record */
 208 /*  */  /*int state;*/          /* any data in it? */
 209 /*rw*/  unsigned int length;    /* How many bytes available */
 210 /*r */  unsigned int off;       /* read/write offset into 'buf' */
 211 /*rw*/  unsigned char *data;    /* pointer to the record data */
 212 /*rw*/  unsigned char *input;   /* where the decode bytes are */
 213 /*r */  unsigned char *comp;    /* only used with decompression - malloc()ed */
 214         } SSL3_RECORD;
 215
 216 typedef struct ssl3_buffer_st
 217         {
 218 /*r */  int total;              /* used in non-blocking writes */
 219 /*r */  int wanted;             /* how many more bytes we need */
 220 /*rw*/  int left;               /* how many bytes left */
 221 /*rw*/  int offset;             /* where to 'copy from' */
 222 /*rw*/  unsigned char *buf;     /* SSL3_RT_MAX_PACKET_SIZE bytes */
 223         } SSL3_BUFFER;
 224
 225 #define SSL3_CT_RSA_SIGN                        1
 226 #define SSL3_CT_DSS_SIGN                        2
 227 #define SSL3_CT_RSA_FIXED_DH                    3
 228 #define SSL3_CT_DSS_FIXED_DH                    4
 229 #define SSL3_CT_RSA_EPHEMERAL_DH                5
 230 #define SSL3_CT_DSS_EPHEMERAL_DH                6
 231 #define SSL3_CT_FORTEZZA_DMS                    20
 232 #define SSL3_CT_NUMBER                          7
 233
 234 #define SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS       0x0001
 235 #define SSL3_FLAGS_DELAY_CLIENT_FINISHED        0x0002
 236 #define SSL3_FLAGS_POP_BUFFER                   0x0004
 237 #define TLS1_FLAGS_TLS_PADDING_BUG              0x0008
 238
 239 #if 0
 240 #define AD_CLOSE_NOTIFY                 0
 241 #define AD_UNEXPECTED_MESSAGE           1
 242 #define AD_BAD_RECORD_MAC               2
 243 #define AD_DECRYPTION_FAILED            3
 244 #define AD_RECORD_OVERFLOW              4
 245 #define AD_DECOMPRESSION_FAILURE        5       /* fatal */
 246 #define AD_HANDSHAKE_FAILURE            6       /* fatal */
 247 #define AD_NO_CERTIFICATE               7       /* Not under TLS */
 248 #define AD_BAD_CERTIFICATE              8
 249 #define AD_UNSUPPORTED_CERTIFICATE      9
 250 #define AD_CERTIFICATE_REVOKED          10
 251 #define AD_CERTIFICATE_EXPIRED          11
 252 #define AD_CERTIFICATE_UNKNOWN          12
 253 #define AD_ILLEGAL_PARAMETER            13      /* fatal */
 254 #define AD_UNKNOWN_CA                   14      /* fatal */
 255 #define AD_ACCESS_DENIED                15      /* fatal */
 256 #define AD_DECODE_ERROR                 16      /* fatal */
 257 #define AD_DECRYPT_ERROR                17
 258 #define AD_EXPORT_RESTRICION            18      /* fatal */
 259 #define AD_PROTOCOL_VERSION             19      /* fatal */
 260 #define AD_INSUFFICIENT_SECURITY        20      /* fatal */
 261 #define AD_INTERNAL_ERROR               21      /* fatal */
 262 #define AD_USER_CANCLED                 22
 263 #define AD_NO_RENEGOTIATION             23
 264 #endif
 265
 266 typedef struct ssl3_ctx_st
 267         {
 268         long flags;
 269         int delay_buf_pop_ret;
 270
 271         unsigned char read_sequence[8];
 272         unsigned char read_mac_secret[EVP_MAX_MD_SIZE];
 273         unsigned char write_sequence[8];
 274         unsigned char write_mac_secret[EVP_MAX_MD_SIZE];
 275
 276         unsigned char server_random[SSL3_RANDOM_SIZE];
 277         unsigned char client_random[SSL3_RANDOM_SIZE];
 278
 279         SSL3_BUFFER rbuf;       /* read IO goes into here */
 280         SSL3_BUFFER wbuf;       /* write IO goes into here */
 281         SSL3_RECORD rrec;       /* each decoded record goes in here */
 282         SSL3_RECORD wrec;       /* goes out from here */
 283                                 /* Used by ssl3_read_n to point
 284                                  * to input data packet */
 285
 286         /* partial write - check the numbers match */
 287         unsigned int wnum;      /* number of bytes sent so far */
 288         int wpend_tot;          /* number bytes written */
 289         int wpend_type;
 290         int wpend_ret;          /* number of bytes submitted */
 291         const unsigned char *wpend_buf;
 292
 293         /* used during startup, digest all incoming/outgoing packets */
 294         EVP_MD_CTX finish_dgst1;
 295         EVP_MD_CTX finish_dgst2;
 296
 297         /* this is set whenerver we see a change_cipher_spec message
 298          * come in when we are not looking for one */
 299         int change_cipher_spec;
 300
 301         int warn_alert;
 302         int fatal_alert;
 303         /* we alow one fatal and one warning alert to be outstanding,
 304          * send close alert via the warning alert */
 305         int alert_dispatch;
 306         unsigned char send_alert[2];
 307
 308         /* This flag is set when we should renegotiate ASAP, basically when
 309          * there is no more data in the read or write buffers */
 310         int renegotiate;
 311         int total_renegotiations;
 312         int num_renegotiations;
 313
 314         int in_read_app_data;
 315
 316         struct  {
 317                 /* Actually only needs to be 16+20 for SSLv3 and 12 for TLS */
 318                 unsigned char finish_md[EVP_MAX_MD_SIZE*2];
 319
 320                 unsigned long message_size;
 321                 int message_type;
 322
 323                 /* used to hold the new cipher we are going to use */
 324                 SSL_CIPHER *new_cipher;
 325 #ifndef NO_DH
 326                 DH *dh;
 327 #endif
 328                 /* used when SSL_ST_FLUSH_DATA is entered */
 329                 int next_state;
 330
 331                 int reuse_message;
 332
 333                 /* used for certificate requests */
 334                 int cert_req;
 335                 int ctype_num;
 336                 char ctype[SSL3_CT_NUMBER];
 337                 STACK_OF(X509_NAME) *ca_names;
 338
 339                 int use_rsa_tmp;
 340
 341                 int key_block_length;
 342                 unsigned char *key_block;
 343
 344                 const EVP_CIPHER *new_sym_enc;
 345                 const EVP_MD *new_hash;
 346 #ifdef HEADER_COMP_H
 347                 const SSL_COMP *new_compression;
 348 #else
 349                 char *new_compression;
 350 #endif
 351                 int cert_request;
 352                 } tmp;
 353
 354         } SSL3_CTX;
 355
 356 /* SSLv3 */
 357 /*client */
 358 /* extra state */
 359 #define SSL3_ST_CW_FLUSH                (0x100|SSL_ST_CONNECT)
 360 /* write to server */
 361 #define SSL3_ST_CW_CLNT_HELLO_A         (0x110|SSL_ST_CONNECT)
 362 #define SSL3_ST_CW_CLNT_HELLO_B         (0x111|SSL_ST_CONNECT)
 363 /* read from server */
 364 #define SSL3_ST_CR_SRVR_HELLO_A         (0x120|SSL_ST_CONNECT)
 365 #define SSL3_ST_CR_SRVR_HELLO_B         (0x121|SSL_ST_CONNECT)
 366 #define SSL3_ST_CR_CERT_A               (0x130|SSL_ST_CONNECT)
 367 #define SSL3_ST_CR_CERT_B               (0x131|SSL_ST_CONNECT)
 368 #define SSL3_ST_CR_KEY_EXCH_A           (0x140|SSL_ST_CONNECT)
 369 #define SSL3_ST_CR_KEY_EXCH_B           (0x141|SSL_ST_CONNECT)
 370 #define SSL3_ST_CR_CERT_REQ_A           (0x150|SSL_ST_CONNECT)
 371 #define SSL3_ST_CR_CERT_REQ_B           (0x151|SSL_ST_CONNECT)
 372 #define SSL3_ST_CR_SRVR_DONE_A          (0x160|SSL_ST_CONNECT)
 373 #define SSL3_ST_CR_SRVR_DONE_B          (0x161|SSL_ST_CONNECT)
 374 /* write to server */
 375 #define SSL3_ST_CW_CERT_A               (0x170|SSL_ST_CONNECT)
 376 #define SSL3_ST_CW_CERT_B               (0x171|SSL_ST_CONNECT)
 377 #define SSL3_ST_CW_CERT_C               (0x172|SSL_ST_CONNECT)
 378 #define SSL3_ST_CW_CERT_D               (0x173|SSL_ST_CONNECT)
 379 #define SSL3_ST_CW_KEY_EXCH_A           (0x180|SSL_ST_CONNECT)
 380 #define SSL3_ST_CW_KEY_EXCH_B           (0x181|SSL_ST_CONNECT)
 381 #define SSL3_ST_CW_CERT_VRFY_A          (0x190|SSL_ST_CONNECT)
 382 #define SSL3_ST_CW_CERT_VRFY_B          (0x191|SSL_ST_CONNECT)
 383 #define SSL3_ST_CW_CHANGE_A             (0x1A0|SSL_ST_CONNECT)
 384 #define SSL3_ST_CW_CHANGE_B             (0x1A1|SSL_ST_CONNECT)
 385 #define SSL3_ST_CW_FINISHED_A           (0x1B0|SSL_ST_CONNECT)
 386 #define SSL3_ST_CW_FINISHED_B           (0x1B1|SSL_ST_CONNECT)
 387 /* read from server */
 388 #define SSL3_ST_CR_CHANGE_A             (0x1C0|SSL_ST_CONNECT)
 389 #define SSL3_ST_CR_CHANGE_B             (0x1C1|SSL_ST_CONNECT)
 390 #define SSL3_ST_CR_FINISHED_A           (0x1D0|SSL_ST_CONNECT)
 391 #define SSL3_ST_CR_FINISHED_B           (0x1D1|SSL_ST_CONNECT)
 392
 393 /* server */
 394 /* extra state */
 395 #define SSL3_ST_SW_FLUSH                (0x100|SSL_ST_ACCEPT)
 396 /* read from client */
 397 /* Do not change the number values, they do matter */
 398 #define SSL3_ST_SR_CLNT_HELLO_A         (0x110|SSL_ST_ACCEPT)
 399 #define SSL3_ST_SR_CLNT_HELLO_B         (0x111|SSL_ST_ACCEPT)
 400 #define SSL3_ST_SR_CLNT_HELLO_C         (0x112|SSL_ST_ACCEPT)
 401 /* write to client */
 402 #define SSL3_ST_SW_HELLO_REQ_A          (0x120|SSL_ST_ACCEPT)
 403 #define SSL3_ST_SW_HELLO_REQ_B          (0x121|SSL_ST_ACCEPT)
 404 #define SSL3_ST_SW_HELLO_REQ_C          (0x122|SSL_ST_ACCEPT)
 405 #define SSL3_ST_SW_SRVR_HELLO_A         (0x130|SSL_ST_ACCEPT)
 406 #define SSL3_ST_SW_SRVR_HELLO_B         (0x131|SSL_ST_ACCEPT)
 407 #define SSL3_ST_SW_CERT_A               (0x140|SSL_ST_ACCEPT)
 408 #define SSL3_ST_SW_CERT_B               (0x141|SSL_ST_ACCEPT)
 409 #define SSL3_ST_SW_KEY_EXCH_A           (0x150|SSL_ST_ACCEPT)
 410 #define SSL3_ST_SW_KEY_EXCH_B           (0x151|SSL_ST_ACCEPT)
 411 #define SSL3_ST_SW_CERT_REQ_A           (0x160|SSL_ST_ACCEPT)
 412 #define SSL3_ST_SW_CERT_REQ_B           (0x161|SSL_ST_ACCEPT)
 413 #define SSL3_ST_SW_SRVR_DONE_A          (0x170|SSL_ST_ACCEPT)
 414 #define SSL3_ST_SW_SRVR_DONE_B          (0x171|SSL_ST_ACCEPT)
 415 /* read from client */
 416 #define SSL3_ST_SR_CERT_A               (0x180|SSL_ST_ACCEPT)
 417 #define SSL3_ST_SR_CERT_B               (0x181|SSL_ST_ACCEPT)
 418 #define SSL3_ST_SR_KEY_EXCH_A           (0x190|SSL_ST_ACCEPT)
 419 #define SSL3_ST_SR_KEY_EXCH_B           (0x191|SSL_ST_ACCEPT)
 420 #define SSL3_ST_SR_CERT_VRFY_A          (0x1A0|SSL_ST_ACCEPT)
 421 #define SSL3_ST_SR_CERT_VRFY_B          (0x1A1|SSL_ST_ACCEPT)
 422 #define SSL3_ST_SR_CHANGE_A             (0x1B0|SSL_ST_ACCEPT)
 423 #define SSL3_ST_SR_CHANGE_B             (0x1B1|SSL_ST_ACCEPT)
 424 #define SSL3_ST_SR_FINISHED_A           (0x1C0|SSL_ST_ACCEPT)
 425 #define SSL3_ST_SR_FINISHED_B           (0x1C1|SSL_ST_ACCEPT)
 426 /* write to client */
 427 #define SSL3_ST_SW_CHANGE_A             (0x1D0|SSL_ST_ACCEPT)
 428 #define SSL3_ST_SW_CHANGE_B             (0x1D1|SSL_ST_ACCEPT)
 429 #define SSL3_ST_SW_FINISHED_A           (0x1E0|SSL_ST_ACCEPT)
 430 #define SSL3_ST_SW_FINISHED_B           (0x1E1|SSL_ST_ACCEPT)
 431
 432 #define SSL3_MT_CLIENT_REQUEST                  0
 433 #define SSL3_MT_CLIENT_HELLO                    1
 434 #define SSL3_MT_SERVER_HELLO                    2
 435 #define SSL3_MT_CERTIFICATE                     11
 436 #define SSL3_MT_SERVER_KEY_EXCHANGE             12
 437 #define SSL3_MT_CERTIFICATE_REQUEST             13
 438 #define SSL3_MT_SERVER_DONE                     14
 439 #define SSL3_MT_CERTIFICATE_VERIFY              15
 440 #define SSL3_MT_CLIENT_KEY_EXCHANGE             16
 441 #define SSL3_MT_FINISHED                        20
 442
 443 #define SSL3_MT_CCS                             1
 444
 445 /* These are used when changing over to a new cipher */
 446 #define SSL3_CC_READ            0x01
 447 #define SSL3_CC_WRITE           0x02
 448 #define SSL3_CC_CLIENT          0x10
 449 #define SSL3_CC_SERVER          0x20
 450 #define SSL3_CHANGE_CIPHER_CLIENT_WRITE (SSL3_CC_CLIENT|SSL3_CC_WRITE)
 451 #define SSL3_CHANGE_CIPHER_SERVER_READ  (SSL3_CC_SERVER|SSL3_CC_READ)
 452 #define SSL3_CHANGE_CIPHER_CLIENT_READ  (SSL3_CC_CLIENT|SSL3_CC_READ)
 453 #define SSL3_CHANGE_CIPHER_SERVER_WRITE (SSL3_CC_SERVER|SSL3_CC_WRITE)
 454
 455 #ifdef  __cplusplus
 456 }
 457 #endif
 458 #endif
 459