include/openssl/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  * Copyright (c) 1998-2002 The OpenSSL Project.  All rights reserved.
  60  *
  61  * Redistribution and use in source and binary forms, with or without
  62  * modification, are permitted provided that the following conditions
  63  * are met:
  64  *
  65  * 1. Redistributions of source code must retain the above copyright
  66  *    notice, this list of conditions and the following disclaimer.
  67  *
  68  * 2. Redistributions in binary form must reproduce the above copyright
  69  *    notice, this list of conditions and the following disclaimer in
  70  *    the documentation and/or other materials provided with the
  71  *    distribution.
  72  *
  73  * 3. All advertising materials mentioning features or use of this
  74  *    software must display the following acknowledgment:
  75  *    "This product includes software developed by the OpenSSL Project
  76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
  77  *
  78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  79  *    endorse or promote products derived from this software without
  80  *    prior written permission. For written permission, please contact
  81  *    openssl-core@openssl.org.
  82  *
  83  * 5. Products derived from this software may not be called "OpenSSL"
  84  *    nor may "OpenSSL" appear in their names without prior written
  85  *    permission of the OpenSSL Project.
  86  *
  87  * 6. Redistributions of any form whatsoever must retain the following
  88  *    acknowledgment:
  89  *    "This product includes software developed by the OpenSSL Project
  90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
  91  *
  92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 103  * OF THE POSSIBILITY OF SUCH DAMAGE.
 104  * ====================================================================
 105  *
 106  * This product includes cryptographic software written by Eric Young
 107  * (eay@cryptsoft.com).  This product includes software written by Tim
 108  * Hudson (tjh@cryptsoft.com).
 109  *
 110  */
 111 /* ====================================================================
 112  * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
 113  * ECC cipher suite support in OpenSSL originally developed by
 114  * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
 115  */
 116
 117 #ifndef HEADER_SSL3_H
 118 # define HEADER_SSL3_H
 119
 120 # ifndef OPENSSL_NO_COMP
 121 #  include <openssl/comp.h>
 122 # endif
 123 # include <openssl/buffer.h>
 124 # include <openssl/evp.h>
 125 # include <openssl/ssl.h>
 126
 127 #ifdef  __cplusplus
 128 extern "C" {
 129 #endif
 130
 131 /*
 132  * Signalling cipher suite value from RFC 5746
 133  * (TLS_EMPTY_RENEGOTIATION_INFO_SCSV)
 134  */
 135 # define SSL3_CK_SCSV                            0x030000FF
 136
 137 /*
 138  * Signalling cipher suite value from draft-ietf-tls-downgrade-scsv-00
 139  * (TLS_FALLBACK_SCSV)
 140  */
 141 # define SSL3_CK_FALLBACK_SCSV                   0x03005600
 142
 143 # define SSL3_CK_RSA_NULL_MD5                    0x03000001
 144 # define SSL3_CK_RSA_NULL_SHA                    0x03000002
 145 # define SSL3_CK_RSA_RC4_40_MD5                  0x03000003
 146 # define SSL3_CK_RSA_RC4_128_MD5                 0x03000004
 147 # define SSL3_CK_RSA_RC4_128_SHA                 0x03000005
 148 # define SSL3_CK_RSA_RC2_40_MD5                  0x03000006
 149 # define SSL3_CK_RSA_IDEA_128_SHA                0x03000007
 150 # define SSL3_CK_RSA_DES_40_CBC_SHA              0x03000008
 151 # define SSL3_CK_RSA_DES_64_CBC_SHA              0x03000009
 152 # define SSL3_CK_RSA_DES_192_CBC3_SHA            0x0300000A
 153
 154 # define SSL3_CK_DH_DSS_DES_40_CBC_SHA           0x0300000B
 155 # define SSL3_CK_DH_DSS_DES_64_CBC_SHA           0x0300000C
 156 # define SSL3_CK_DH_DSS_DES_192_CBC3_SHA         0x0300000D
 157 # define SSL3_CK_DH_RSA_DES_40_CBC_SHA           0x0300000E
 158 # define SSL3_CK_DH_RSA_DES_64_CBC_SHA           0x0300000F
 159 # define SSL3_CK_DH_RSA_DES_192_CBC3_SHA         0x03000010
 160
 161 # define SSL3_CK_DHE_DSS_DES_40_CBC_SHA          0x03000011
 162 # define SSL3_CK_EDH_DSS_DES_40_CBC_SHA          SSL3_CK_DHE_DSS_DES_40_CBC_SHA
 163 # define SSL3_CK_DHE_DSS_DES_64_CBC_SHA          0x03000012
 164 # define SSL3_CK_EDH_DSS_DES_64_CBC_SHA          SSL3_CK_DHE_DSS_DES_64_CBC_SHA
 165 # define SSL3_CK_DHE_DSS_DES_192_CBC3_SHA        0x03000013
 166 # define SSL3_CK_EDH_DSS_DES_192_CBC3_SHA        SSL3_CK_DHE_DSS_DES_192_CBC3_SHA
 167 # define SSL3_CK_DHE_RSA_DES_40_CBC_SHA          0x03000014
 168 # define SSL3_CK_EDH_RSA_DES_40_CBC_SHA          SSL3_CK_DHE_RSA_DES_40_CBC_SHA
 169 # define SSL3_CK_DHE_RSA_DES_64_CBC_SHA          0x03000015
 170 # define SSL3_CK_EDH_RSA_DES_64_CBC_SHA          SSL3_CK_DHE_RSA_DES_64_CBC_SHA
 171 # define SSL3_CK_DHE_RSA_DES_192_CBC3_SHA        0x03000016
 172 # define SSL3_CK_EDH_RSA_DES_192_CBC3_SHA        SSL3_CK_DHE_RSA_DES_192_CBC3_SHA
 173
 174 # define SSL3_CK_ADH_RC4_40_MD5                  0x03000017
 175 # define SSL3_CK_ADH_RC4_128_MD5                 0x03000018
 176 # define SSL3_CK_ADH_DES_40_CBC_SHA              0x03000019
 177 # define SSL3_CK_ADH_DES_64_CBC_SHA              0x0300001A
 178 # define SSL3_CK_ADH_DES_192_CBC_SHA             0x0300001B
 179
 180 # define SSL3_TXT_RSA_NULL_MD5                   "NULL-MD5"
 181 # define SSL3_TXT_RSA_NULL_SHA                   "NULL-SHA"
 182 # define SSL3_TXT_RSA_RC4_40_MD5                 "EXP-RC4-MD5"
 183 # define SSL3_TXT_RSA_RC4_128_MD5                "RC4-MD5"
 184 # define SSL3_TXT_RSA_RC4_128_SHA                "RC4-SHA"
 185 # define SSL3_TXT_RSA_RC2_40_MD5                 "EXP-RC2-CBC-MD5"
 186 # define SSL3_TXT_RSA_IDEA_128_SHA               "IDEA-CBC-SHA"
 187 # define SSL3_TXT_RSA_DES_40_CBC_SHA             "EXP-DES-CBC-SHA"
 188 # define SSL3_TXT_RSA_DES_64_CBC_SHA             "DES-CBC-SHA"
 189 # define SSL3_TXT_RSA_DES_192_CBC3_SHA           "DES-CBC3-SHA"
 190
 191 # define SSL3_TXT_DH_DSS_DES_40_CBC_SHA          "EXP-DH-DSS-DES-CBC-SHA"
 192 # define SSL3_TXT_DH_DSS_DES_64_CBC_SHA          "DH-DSS-DES-CBC-SHA"
 193 # define SSL3_TXT_DH_DSS_DES_192_CBC3_SHA        "DH-DSS-DES-CBC3-SHA"
 194 # define SSL3_TXT_DH_RSA_DES_40_CBC_SHA          "EXP-DH-RSA-DES-CBC-SHA"
 195 # define SSL3_TXT_DH_RSA_DES_64_CBC_SHA          "DH-RSA-DES-CBC-SHA"
 196 # define SSL3_TXT_DH_RSA_DES_192_CBC3_SHA        "DH-RSA-DES-CBC3-SHA"
 197
 198 # define SSL3_TXT_DHE_DSS_DES_40_CBC_SHA         "EXP-DHE-DSS-DES-CBC-SHA"
 199 # define SSL3_TXT_DHE_DSS_DES_64_CBC_SHA         "DHE-DSS-DES-CBC-SHA"
 200 # define SSL3_TXT_DHE_DSS_DES_192_CBC3_SHA       "DHE-DSS-DES-CBC3-SHA"
 201 # define SSL3_TXT_DHE_RSA_DES_40_CBC_SHA         "EXP-DHE-RSA-DES-CBC-SHA"
 202 # define SSL3_TXT_DHE_RSA_DES_64_CBC_SHA         "DHE-RSA-DES-CBC-SHA"
 203 # define SSL3_TXT_DHE_RSA_DES_192_CBC3_SHA       "DHE-RSA-DES-CBC3-SHA"
 204
 205 /*
 206  * This next block of six "EDH" labels is for backward compatibility with
 207  * older versions of OpenSSL.  New code should use the six "DHE" labels above
 208  * instead:
 209  */
 210 # define SSL3_TXT_EDH_DSS_DES_40_CBC_SHA         "EXP-EDH-DSS-DES-CBC-SHA"
 211 # define SSL3_TXT_EDH_DSS_DES_64_CBC_SHA         "EDH-DSS-DES-CBC-SHA"
 212 # define SSL3_TXT_EDH_DSS_DES_192_CBC3_SHA       "EDH-DSS-DES-CBC3-SHA"
 213 # define SSL3_TXT_EDH_RSA_DES_40_CBC_SHA         "EXP-EDH-RSA-DES-CBC-SHA"
 214 # define SSL3_TXT_EDH_RSA_DES_64_CBC_SHA         "EDH-RSA-DES-CBC-SHA"
 215 # define SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA       "EDH-RSA-DES-CBC3-SHA"
 216
 217 # define SSL3_TXT_ADH_RC4_40_MD5                 "EXP-ADH-RC4-MD5"
 218 # define SSL3_TXT_ADH_RC4_128_MD5                "ADH-RC4-MD5"
 219 # define SSL3_TXT_ADH_DES_40_CBC_SHA             "EXP-ADH-DES-CBC-SHA"
 220 # define SSL3_TXT_ADH_DES_64_CBC_SHA             "ADH-DES-CBC-SHA"
 221 # define SSL3_TXT_ADH_DES_192_CBC_SHA            "ADH-DES-CBC3-SHA"
 222
 223 # define SSL3_SSL_SESSION_ID_LENGTH              32
 224 # define SSL3_MAX_SSL_SESSION_ID_LENGTH          32
 225
 226 # define SSL3_MASTER_SECRET_SIZE                 48
 227 # define SSL3_RANDOM_SIZE                        32
 228 # define SSL3_SESSION_ID_SIZE                    32
 229 # define SSL3_RT_HEADER_LENGTH                   5
 230
 231 # define SSL3_HM_HEADER_LENGTH                  4
 232
 233 # ifndef SSL3_ALIGN_PAYLOAD
 234  /*
 235   * Some will argue that this increases memory footprint, but it's not
 236   * actually true. Point is that malloc has to return at least 64-bit aligned
 237   * pointers, meaning that allocating 5 bytes wastes 3 bytes in either case.
 238   * Suggested pre-gaping simply moves these wasted bytes from the end of
 239   * allocated region to its front, but makes data payload aligned, which
 240   * improves performance:-)
 241   */
 242 #  define SSL3_ALIGN_PAYLOAD                     8
 243 # else
 244 #  if (SSL3_ALIGN_PAYLOAD&(SSL3_ALIGN_PAYLOAD-1))!=0
 245 #   error "insane SSL3_ALIGN_PAYLOAD"
 246 #   undef SSL3_ALIGN_PAYLOAD
 247 #  endif
 248 # endif
 249
 250 /*
 251  * This is the maximum MAC (digest) size used by the SSL library. Currently
 252  * maximum of 20 is used by SHA1, but we reserve for future extension for
 253  * 512-bit hashes.
 254  */
 255
 256 # define SSL3_RT_MAX_MD_SIZE                     64
 257
 258 /*
 259  * Maximum block size used in all ciphersuites. Currently 16 for AES.
 260  */
 261
 262 # define SSL_RT_MAX_CIPHER_BLOCK_SIZE            16
 263
 264 # define SSL3_RT_MAX_EXTRA                       (16384)
 265
 266 /* Maximum plaintext length: defined by SSL/TLS standards */
 267 # define SSL3_RT_MAX_PLAIN_LENGTH                16384
 268 /* Maximum compression overhead: defined by SSL/TLS standards */
 269 # define SSL3_RT_MAX_COMPRESSED_OVERHEAD         1024
 270
 271 /*
 272  * The standards give a maximum encryption overhead of 1024 bytes. In
 273  * practice the value is lower than this. The overhead is the maximum number
 274  * of padding bytes (256) plus the mac size.
 275  */
 276 # define SSL3_RT_MAX_ENCRYPTED_OVERHEAD  (256 + SSL3_RT_MAX_MD_SIZE)
 277
 278 /*
 279  * OpenSSL currently only uses a padding length of at most one block so the
 280  * send overhead is smaller.
 281  */
 282
 283 # define SSL3_RT_SEND_MAX_ENCRYPTED_OVERHEAD \
 284                         (SSL_RT_MAX_CIPHER_BLOCK_SIZE + SSL3_RT_MAX_MD_SIZE)
 285
 286 /* If compression isn't used don't include the compression overhead */
 287
 288 # ifdef OPENSSL_NO_COMP
 289 #  define SSL3_RT_MAX_COMPRESSED_LENGTH           SSL3_RT_MAX_PLAIN_LENGTH
 290 # else
 291 #  define SSL3_RT_MAX_COMPRESSED_LENGTH   \
 292                 (SSL3_RT_MAX_PLAIN_LENGTH+SSL3_RT_MAX_COMPRESSED_OVERHEAD)
 293 # endif
 294 # define SSL3_RT_MAX_ENCRYPTED_LENGTH    \
 295                 (SSL3_RT_MAX_ENCRYPTED_OVERHEAD+SSL3_RT_MAX_COMPRESSED_LENGTH)
 296 # define SSL3_RT_MAX_PACKET_SIZE         \
 297                 (SSL3_RT_MAX_ENCRYPTED_LENGTH+SSL3_RT_HEADER_LENGTH)
 298
 299 # define SSL3_MD_CLIENT_FINISHED_CONST   "\x43\x4C\x4E\x54"
 300 # define SSL3_MD_SERVER_FINISHED_CONST   "\x53\x52\x56\x52"
 301
 302 # define SSL3_VERSION                    0x0300
 303 # define SSL3_VERSION_MAJOR              0x03
 304 # define SSL3_VERSION_MINOR              0x00
 305
 306 # define SSL3_RT_CHANGE_CIPHER_SPEC      20
 307 # define SSL3_RT_ALERT                   21
 308 # define SSL3_RT_HANDSHAKE               22
 309 # define SSL3_RT_APPLICATION_DATA        23
 310 # define TLS1_RT_HEARTBEAT               24
 311
 312 /* Pseudo content types to indicate additional parameters */
 313 # define TLS1_RT_CRYPTO                  0x1000
 314 # define TLS1_RT_CRYPTO_PREMASTER        (TLS1_RT_CRYPTO | 0x1)
 315 # define TLS1_RT_CRYPTO_CLIENT_RANDOM    (TLS1_RT_CRYPTO | 0x2)
 316 # define TLS1_RT_CRYPTO_SERVER_RANDOM    (TLS1_RT_CRYPTO | 0x3)
 317 # define TLS1_RT_CRYPTO_MASTER           (TLS1_RT_CRYPTO | 0x4)
 318
 319 # define TLS1_RT_CRYPTO_READ             0x0000
 320 # define TLS1_RT_CRYPTO_WRITE            0x0100
 321 # define TLS1_RT_CRYPTO_MAC              (TLS1_RT_CRYPTO | 0x5)
 322 # define TLS1_RT_CRYPTO_KEY              (TLS1_RT_CRYPTO | 0x6)
 323 # define TLS1_RT_CRYPTO_IV               (TLS1_RT_CRYPTO | 0x7)
 324 # define TLS1_RT_CRYPTO_FIXED_IV         (TLS1_RT_CRYPTO | 0x8)
 325
 326 /* Pseudo content type for SSL/TLS header info */
 327 # define SSL3_RT_HEADER                  0x100
 328
 329 # define SSL3_AL_WARNING                 1
 330 # define SSL3_AL_FATAL                   2
 331
 332 # define SSL3_AD_CLOSE_NOTIFY             0
 333 # define SSL3_AD_UNEXPECTED_MESSAGE      10/* fatal */
 334 # define SSL3_AD_BAD_RECORD_MAC          20/* fatal */
 335 # define SSL3_AD_DECOMPRESSION_FAILURE   30/* fatal */
 336 # define SSL3_AD_HANDSHAKE_FAILURE       40/* fatal */
 337 # define SSL3_AD_NO_CERTIFICATE          41
 338 # define SSL3_AD_BAD_CERTIFICATE         42
 339 # define SSL3_AD_UNSUPPORTED_CERTIFICATE 43
 340 # define SSL3_AD_CERTIFICATE_REVOKED     44
 341 # define SSL3_AD_CERTIFICATE_EXPIRED     45
 342 # define SSL3_AD_CERTIFICATE_UNKNOWN     46
 343 # define SSL3_AD_ILLEGAL_PARAMETER       47/* fatal */
 344
 345 # define TLS1_HB_REQUEST         1
 346 # define TLS1_HB_RESPONSE        2
 347
 348
 349 # define SSL3_CT_RSA_SIGN                        1
 350 # define SSL3_CT_DSS_SIGN                        2
 351 # define SSL3_CT_RSA_FIXED_DH                    3
 352 # define SSL3_CT_DSS_FIXED_DH                    4
 353 # define SSL3_CT_RSA_EPHEMERAL_DH                5
 354 # define SSL3_CT_DSS_EPHEMERAL_DH                6
 355 # define SSL3_CT_FORTEZZA_DMS                    20
 356 /*
 357  * SSL3_CT_NUMBER is used to size arrays and it must be large enough to
 358  * contain all of the cert types defined either for SSLv3 and TLSv1.
 359  */
 360 # define SSL3_CT_NUMBER                  9
 361
 362 # define SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS       0x0001
 363
 364 /* Removed from OpenSSL 1.1.0 */
 365 # define TLS1_FLAGS_TLS_PADDING_BUG              0x0
 366
 367 # define TLS1_FLAGS_SKIP_CERT_VERIFY             0x0010
 368
 369 /* Set if we encrypt then mac instead of usual mac then encrypt */
 370 # define TLS1_FLAGS_ENCRYPT_THEN_MAC             0x0100
 371
 372
 373 /* SSLv3 */
 374 /*
 375  * client
 376  */
 377 /* extra state */
 378 # define SSL3_ST_CW_FLUSH                (0x100|SSL_ST_CONNECT)
 379 # ifndef OPENSSL_NO_SCTP
 380 #  define DTLS1_SCTP_ST_CW_WRITE_SOCK                     (0x310|SSL_ST_CONNECT)
 381 #  define DTLS1_SCTP_ST_CR_READ_SOCK                      (0x320|SSL_ST_CONNECT)
 382 # endif
 383 /* write to server */
 384 # define SSL3_ST_CW_CLNT_HELLO_A         (0x110|SSL_ST_CONNECT)
 385 # define SSL3_ST_CW_CLNT_HELLO_B         (0x111|SSL_ST_CONNECT)
 386 /* read from server */
 387 # define SSL3_ST_CR_SRVR_HELLO_A         (0x120|SSL_ST_CONNECT)
 388 # define SSL3_ST_CR_SRVR_HELLO_B         (0x121|SSL_ST_CONNECT)
 389 # define DTLS1_ST_CR_HELLO_VERIFY_REQUEST_A (0x126|SSL_ST_CONNECT)
 390 # define DTLS1_ST_CR_HELLO_VERIFY_REQUEST_B (0x127|SSL_ST_CONNECT)
 391 # define SSL3_ST_CR_CERT_A               (0x130|SSL_ST_CONNECT)
 392 # define SSL3_ST_CR_CERT_B               (0x131|SSL_ST_CONNECT)
 393 # define SSL3_ST_CR_KEY_EXCH_A           (0x140|SSL_ST_CONNECT)
 394 # define SSL3_ST_CR_KEY_EXCH_B           (0x141|SSL_ST_CONNECT)
 395 # define SSL3_ST_CR_CERT_REQ_A           (0x150|SSL_ST_CONNECT)
 396 # define SSL3_ST_CR_CERT_REQ_B           (0x151|SSL_ST_CONNECT)
 397 # define SSL3_ST_CR_SRVR_DONE_A          (0x160|SSL_ST_CONNECT)
 398 # define SSL3_ST_CR_SRVR_DONE_B          (0x161|SSL_ST_CONNECT)
 399 /* write to server */
 400 # define SSL3_ST_CW_CERT_A               (0x170|SSL_ST_CONNECT)
 401 # define SSL3_ST_CW_CERT_B               (0x171|SSL_ST_CONNECT)
 402 # define SSL3_ST_CW_CERT_C               (0x172|SSL_ST_CONNECT)
 403 # define SSL3_ST_CW_CERT_D               (0x173|SSL_ST_CONNECT)
 404 # define SSL3_ST_CW_KEY_EXCH_A           (0x180|SSL_ST_CONNECT)
 405 # define SSL3_ST_CW_KEY_EXCH_B           (0x181|SSL_ST_CONNECT)
 406 # define SSL3_ST_CW_CERT_VRFY_A          (0x190|SSL_ST_CONNECT)
 407 # define SSL3_ST_CW_CERT_VRFY_B          (0x191|SSL_ST_CONNECT)
 408 # define SSL3_ST_CW_CHANGE_A             (0x1A0|SSL_ST_CONNECT)
 409 # define SSL3_ST_CW_CHANGE_B             (0x1A1|SSL_ST_CONNECT)
 410 # ifndef OPENSSL_NO_NEXTPROTONEG
 411 #  define SSL3_ST_CW_NEXT_PROTO_A         (0x200|SSL_ST_CONNECT)
 412 #  define SSL3_ST_CW_NEXT_PROTO_B         (0x201|SSL_ST_CONNECT)
 413 # endif
 414 # define SSL3_ST_CW_FINISHED_A           (0x1B0|SSL_ST_CONNECT)
 415 # define SSL3_ST_CW_FINISHED_B           (0x1B1|SSL_ST_CONNECT)
 416 /* read from server */
 417 # define SSL3_ST_CR_CHANGE_A             (0x1C0|SSL_ST_CONNECT)
 418 # define SSL3_ST_CR_CHANGE_B             (0x1C1|SSL_ST_CONNECT)
 419 # define SSL3_ST_CR_FINISHED_A           (0x1D0|SSL_ST_CONNECT)
 420 # define SSL3_ST_CR_FINISHED_B           (0x1D1|SSL_ST_CONNECT)
 421 # define SSL3_ST_CR_SESSION_TICKET_A     (0x1E0|SSL_ST_CONNECT)
 422 # define SSL3_ST_CR_SESSION_TICKET_B     (0x1E1|SSL_ST_CONNECT)
 423 # define SSL3_ST_CR_CERT_STATUS_A        (0x1F0|SSL_ST_CONNECT)
 424 # define SSL3_ST_CR_CERT_STATUS_B        (0x1F1|SSL_ST_CONNECT)
 425
 426 /* server */
 427 /* extra state */
 428 # define SSL3_ST_SW_FLUSH                (0x100|SSL_ST_ACCEPT)
 429 # ifndef OPENSSL_NO_SCTP
 430 #  define DTLS1_SCTP_ST_SW_WRITE_SOCK                     (0x310|SSL_ST_ACCEPT)
 431 #  define DTLS1_SCTP_ST_SR_READ_SOCK                      (0x320|SSL_ST_ACCEPT)
 432 # endif
 433 /* read from client */
 434 /* Do not change the number values, they do matter */
 435 # define SSL3_ST_SR_CLNT_HELLO_A         (0x110|SSL_ST_ACCEPT)
 436 # define SSL3_ST_SR_CLNT_HELLO_B         (0x111|SSL_ST_ACCEPT)
 437 # define SSL3_ST_SR_CLNT_HELLO_C         (0x112|SSL_ST_ACCEPT)
 438 # define SSL3_ST_SR_CLNT_HELLO_D         (0x115|SSL_ST_ACCEPT)
 439 /* write to client */
 440 # define DTLS1_ST_SW_HELLO_VERIFY_REQUEST_A (0x113|SSL_ST_ACCEPT)
 441 # define DTLS1_ST_SW_HELLO_VERIFY_REQUEST_B (0x114|SSL_ST_ACCEPT)
 442 # define SSL3_ST_SW_HELLO_REQ_A          (0x120|SSL_ST_ACCEPT)
 443 # define SSL3_ST_SW_HELLO_REQ_B          (0x121|SSL_ST_ACCEPT)
 444 # define SSL3_ST_SW_HELLO_REQ_C          (0x122|SSL_ST_ACCEPT)
 445 # define SSL3_ST_SW_SRVR_HELLO_A         (0x130|SSL_ST_ACCEPT)
 446 # define SSL3_ST_SW_SRVR_HELLO_B         (0x131|SSL_ST_ACCEPT)
 447 # define SSL3_ST_SW_CERT_A               (0x140|SSL_ST_ACCEPT)
 448 # define SSL3_ST_SW_CERT_B               (0x141|SSL_ST_ACCEPT)
 449 # define SSL3_ST_SW_KEY_EXCH_A           (0x150|SSL_ST_ACCEPT)
 450 # define SSL3_ST_SW_KEY_EXCH_B           (0x151|SSL_ST_ACCEPT)
 451 # define SSL3_ST_SW_CERT_REQ_A           (0x160|SSL_ST_ACCEPT)
 452 # define SSL3_ST_SW_CERT_REQ_B           (0x161|SSL_ST_ACCEPT)
 453 # define SSL3_ST_SW_SRVR_DONE_A          (0x170|SSL_ST_ACCEPT)
 454 # define SSL3_ST_SW_SRVR_DONE_B          (0x171|SSL_ST_ACCEPT)
 455 /* read from client */
 456 # define SSL3_ST_SR_CERT_A               (0x180|SSL_ST_ACCEPT)
 457 # define SSL3_ST_SR_CERT_B               (0x181|SSL_ST_ACCEPT)
 458 # define SSL3_ST_SR_KEY_EXCH_A           (0x190|SSL_ST_ACCEPT)
 459 # define SSL3_ST_SR_KEY_EXCH_B           (0x191|SSL_ST_ACCEPT)
 460 # define SSL3_ST_SR_CERT_VRFY_A          (0x1A0|SSL_ST_ACCEPT)
 461 # define SSL3_ST_SR_CERT_VRFY_B          (0x1A1|SSL_ST_ACCEPT)
 462 # define SSL3_ST_SR_CHANGE_A             (0x1B0|SSL_ST_ACCEPT)
 463 # define SSL3_ST_SR_CHANGE_B             (0x1B1|SSL_ST_ACCEPT)
 464 # ifndef OPENSSL_NO_NEXTPROTONEG
 465 #  define SSL3_ST_SR_NEXT_PROTO_A         (0x210|SSL_ST_ACCEPT)
 466 #  define SSL3_ST_SR_NEXT_PROTO_B         (0x211|SSL_ST_ACCEPT)
 467 # endif
 468 # define SSL3_ST_SR_FINISHED_A           (0x1C0|SSL_ST_ACCEPT)
 469 # define SSL3_ST_SR_FINISHED_B           (0x1C1|SSL_ST_ACCEPT)
 470 /* write to client */
 471 # define SSL3_ST_SW_CHANGE_A             (0x1D0|SSL_ST_ACCEPT)
 472 # define SSL3_ST_SW_CHANGE_B             (0x1D1|SSL_ST_ACCEPT)
 473 # define SSL3_ST_SW_FINISHED_A           (0x1E0|SSL_ST_ACCEPT)
 474 # define SSL3_ST_SW_FINISHED_B           (0x1E1|SSL_ST_ACCEPT)
 475 # define SSL3_ST_SW_SESSION_TICKET_A     (0x1F0|SSL_ST_ACCEPT)
 476 # define SSL3_ST_SW_SESSION_TICKET_B     (0x1F1|SSL_ST_ACCEPT)
 477 # define SSL3_ST_SW_CERT_STATUS_A        (0x200|SSL_ST_ACCEPT)
 478 # define SSL3_ST_SW_CERT_STATUS_B        (0x201|SSL_ST_ACCEPT)
 479
 480 # define SSL3_MT_HELLO_REQUEST                   0
 481 # define SSL3_MT_CLIENT_HELLO                    1
 482 # define SSL3_MT_SERVER_HELLO                    2
 483 # define SSL3_MT_NEWSESSION_TICKET               4
 484 # define SSL3_MT_CERTIFICATE                     11
 485 # define SSL3_MT_SERVER_KEY_EXCHANGE             12
 486 # define SSL3_MT_CERTIFICATE_REQUEST             13
 487 # define SSL3_MT_SERVER_DONE                     14
 488 # define SSL3_MT_CERTIFICATE_VERIFY              15
 489 # define SSL3_MT_CLIENT_KEY_EXCHANGE             16
 490 # define SSL3_MT_FINISHED                        20
 491 # define SSL3_MT_CERTIFICATE_STATUS              22
 492 # ifndef OPENSSL_NO_NEXTPROTONEG
 493 #  define SSL3_MT_NEXT_PROTO                      67
 494 # endif
 495 # define DTLS1_MT_HELLO_VERIFY_REQUEST    3
 496
 497 /* Dummy message type for handling CCS like a normal handshake message */
 498 # define SSL3_MT_CHANGE_CIPHER_SPEC              0x0101
 499
 500 # define SSL3_MT_CCS                             1
 501
 502 /* These are used when changing over to a new cipher */
 503 # define SSL3_CC_READ            0x01
 504 # define SSL3_CC_WRITE           0x02
 505 # define SSL3_CC_CLIENT          0x10
 506 # define SSL3_CC_SERVER          0x20
 507 # define SSL3_CHANGE_CIPHER_CLIENT_WRITE (SSL3_CC_CLIENT|SSL3_CC_WRITE)
 508 # define SSL3_CHANGE_CIPHER_SERVER_READ  (SSL3_CC_SERVER|SSL3_CC_READ)
 509 # define SSL3_CHANGE_CIPHER_CLIENT_READ  (SSL3_CC_CLIENT|SSL3_CC_READ)
 510 # define SSL3_CHANGE_CIPHER_SERVER_WRITE (SSL3_CC_SERVER|SSL3_CC_WRITE)
 511
 512 #ifdef  __cplusplus
 513 }
 514 #endif
 515 #endif