ssl/tls1.h

   1 /* ssl/tls1.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 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
  60  *
  61  * Portions of the attached software ("Contribution") are developed by
  62  * SUN MICROSYSTEMS, INC., and are contributed to the OpenSSL project.
  63  *
  64  * The Contribution is licensed pursuant to the OpenSSL open source
  65  * license provided above.
  66  *
  67  * ECC cipher suite support in OpenSSL originally written by
  68  * Vipul Gupta and Sumit Gupta of Sun Microsystems Laboratories.
  69  *
  70  */
  71
  72 #ifndef HEADER_TLS1_H
  73 #define HEADER_TLS1_H
  74
  75 #include <openssl/buffer.h>
  76
  77 #ifdef  __cplusplus
  78 extern "C" {
  79 #endif
  80
  81 #define TLS1_ALLOW_EXPERIMENTAL_CIPHERSUITES    1
  82
  83 #define TLS1_VERSION                    0x0301
  84 #define TLS1_VERSION_MAJOR              0x03
  85 #define TLS1_VERSION_MINOR              0x01
  86
  87 #define TLS1_AD_DECRYPTION_FAILED       21
  88 #define TLS1_AD_RECORD_OVERFLOW         22
  89 #define TLS1_AD_UNKNOWN_CA              48      /* fatal */
  90 #define TLS1_AD_ACCESS_DENIED           49      /* fatal */
  91 #define TLS1_AD_DECODE_ERROR            50      /* fatal */
  92 #define TLS1_AD_DECRYPT_ERROR           51
  93 #define TLS1_AD_EXPORT_RESTRICTION      60      /* fatal */
  94 #define TLS1_AD_PROTOCOL_VERSION        70      /* fatal */
  95 #define TLS1_AD_INSUFFICIENT_SECURITY   71      /* fatal */
  96 #define TLS1_AD_INTERNAL_ERROR          80      /* fatal */
  97 #define TLS1_AD_USER_CANCELLED          90
  98 #define TLS1_AD_NO_RENEGOTIATION        100
  99
 100 /* Additional TLS ciphersuites from draft-ietf-tls-56-bit-ciphersuites-00.txt
 101  * (available if TLS1_ALLOW_EXPERIMENTAL_CIPHERSUITES is defined, see
 102  * s3_lib.c).  We actually treat them like SSL 3.0 ciphers, which we probably
 103  * shouldn't. */
 104 #define TLS1_CK_RSA_EXPORT1024_WITH_RC4_56_MD5          0x03000060
 105 #define TLS1_CK_RSA_EXPORT1024_WITH_RC2_CBC_56_MD5      0x03000061
 106 #define TLS1_CK_RSA_EXPORT1024_WITH_DES_CBC_SHA         0x03000062
 107 #define TLS1_CK_DHE_DSS_EXPORT1024_WITH_DES_CBC_SHA     0x03000063
 108 #define TLS1_CK_RSA_EXPORT1024_WITH_RC4_56_SHA          0x03000064
 109 #define TLS1_CK_DHE_DSS_EXPORT1024_WITH_RC4_56_SHA      0x03000065
 110 #define TLS1_CK_DHE_DSS_WITH_RC4_128_SHA                0x03000066
 111
 112 /* AES ciphersuites from RFC3268 */
 113
 114 #define TLS1_CK_RSA_WITH_AES_128_SHA                    0x0300002F
 115 #define TLS1_CK_DH_DSS_WITH_AES_128_SHA                 0x03000030
 116 #define TLS1_CK_DH_RSA_WITH_AES_128_SHA                 0x03000031
 117 #define TLS1_CK_DHE_DSS_WITH_AES_128_SHA                0x03000032
 118 #define TLS1_CK_DHE_RSA_WITH_AES_128_SHA                0x03000033
 119 #define TLS1_CK_ADH_WITH_AES_128_SHA                    0x03000034
 120
 121 #define TLS1_CK_RSA_WITH_AES_256_SHA                    0x03000035
 122 #define TLS1_CK_DH_DSS_WITH_AES_256_SHA                 0x03000036
 123 #define TLS1_CK_DH_RSA_WITH_AES_256_SHA                 0x03000037
 124 #define TLS1_CK_DHE_DSS_WITH_AES_256_SHA                0x03000038
 125 #define TLS1_CK_DHE_RSA_WITH_AES_256_SHA                0x03000039
 126 #define TLS1_CK_ADH_WITH_AES_256_SHA                    0x0300003A
 127
 128 /* Camellia ciphersuites from RFC4132 */
 129 #define TLS1_CK_RSA_WITH_CAMELLIA_128_CBC_SHA           0x03000041
 130 #define TLS1_CK_DH_DSS_WITH_CAMELLIA_128_CBC_SHA        0x03000042
 131 #define TLS1_CK_DH_RSA_WITH_CAMELLIA_128_CBC_SHA        0x03000043
 132 #define TLS1_CK_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA       0x03000044
 133 #define TLS1_CK_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA       0x03000045
 134 #define TLS1_CK_ADH_WITH_CAMELLIA_128_CBC_SHA           0x03000046
 135
 136 #define TLS1_CK_RSA_WITH_CAMELLIA_256_CBC_SHA           0x03000084
 137 #define TLS1_CK_DH_DSS_WITH_CAMELLIA_256_CBC_SHA        0x03000085
 138 #define TLS1_CK_DH_RSA_WITH_CAMELLIA_256_CBC_SHA        0x03000086
 139 #define TLS1_CK_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA       0x03000087
 140 #define TLS1_CK_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA       0x03000088
 141 #define TLS1_CK_ADH_WITH_CAMELLIA_256_CBC_SHA           0x03000089
 142
 143 /* ECC ciphersuites from draft-ietf-tls-ecc-12.txt with changes soon to be in draft 13 */
 144 #define TLS1_CK_ECDH_ECDSA_WITH_NULL_SHA                0x0300C001
 145 #define TLS1_CK_ECDH_ECDSA_WITH_RC4_128_SHA             0x0300C002
 146 #define TLS1_CK_ECDH_ECDSA_WITH_DES_192_CBC3_SHA        0x0300C003
 147 #define TLS1_CK_ECDH_ECDSA_WITH_AES_128_CBC_SHA         0x0300C004
 148 #define TLS1_CK_ECDH_ECDSA_WITH_AES_256_CBC_SHA         0x0300C005
 149
 150 #define TLS1_CK_ECDHE_ECDSA_WITH_NULL_SHA               0x0300C006
 151 #define TLS1_CK_ECDHE_ECDSA_WITH_RC4_128_SHA            0x0300C007
 152 #define TLS1_CK_ECDHE_ECDSA_WITH_DES_192_CBC3_SHA       0x0300C008
 153 #define TLS1_CK_ECDHE_ECDSA_WITH_AES_128_CBC_SHA        0x0300C009
 154 #define TLS1_CK_ECDHE_ECDSA_WITH_AES_256_CBC_SHA        0x0300C00A
 155
 156 #define TLS1_CK_ECDH_RSA_WITH_NULL_SHA                  0x0300C00B
 157 #define TLS1_CK_ECDH_RSA_WITH_RC4_128_SHA               0x0300C00C
 158 #define TLS1_CK_ECDH_RSA_WITH_DES_192_CBC3_SHA          0x0300C00D
 159 #define TLS1_CK_ECDH_RSA_WITH_AES_128_CBC_SHA           0x0300C00E
 160 #define TLS1_CK_ECDH_RSA_WITH_AES_256_CBC_SHA           0x0300C00F
 161
 162 #define TLS1_CK_ECDHE_RSA_WITH_NULL_SHA                 0x0300C010
 163 #define TLS1_CK_ECDHE_RSA_WITH_RC4_128_SHA              0x0300C011
 164 #define TLS1_CK_ECDHE_RSA_WITH_DES_192_CBC3_SHA         0x0300C012
 165 #define TLS1_CK_ECDHE_RSA_WITH_AES_128_CBC_SHA          0x0300C013
 166 #define TLS1_CK_ECDHE_RSA_WITH_AES_256_CBC_SHA          0x0300C014
 167
 168 #define TLS1_CK_ECDH_anon_WITH_NULL_SHA                 0x0300C015
 169 #define TLS1_CK_ECDH_anon_WITH_RC4_128_SHA              0x0300C016
 170 #define TLS1_CK_ECDH_anon_WITH_DES_192_CBC3_SHA         0x0300C017
 171 #define TLS1_CK_ECDH_anon_WITH_AES_128_CBC_SHA          0x0300C018
 172 #define TLS1_CK_ECDH_anon_WITH_AES_256_CBC_SHA          0x0300C019
 173
 174 /* XXX
 175  * Inconsistency alert:
 176  * The OpenSSL names of ciphers with ephemeral DH here include the string
 177  * "DHE", while elsewhere it has always been "EDH".
 178  * (The alias for the list of all such ciphers also is "EDH".)
 179  * The specifications speak of "EDH"; maybe we should allow both forms
 180  * for everything. */
 181 #define TLS1_TXT_RSA_EXPORT1024_WITH_RC4_56_MD5         "EXP1024-RC4-MD5"
 182 #define TLS1_TXT_RSA_EXPORT1024_WITH_RC2_CBC_56_MD5     "EXP1024-RC2-CBC-MD5"
 183 #define TLS1_TXT_RSA_EXPORT1024_WITH_DES_CBC_SHA        "EXP1024-DES-CBC-SHA"
 184 #define TLS1_TXT_DHE_DSS_EXPORT1024_WITH_DES_CBC_SHA    "EXP1024-DHE-DSS-DES-CBC-SHA"
 185 #define TLS1_TXT_RSA_EXPORT1024_WITH_RC4_56_SHA         "EXP1024-RC4-SHA"
 186 #define TLS1_TXT_DHE_DSS_EXPORT1024_WITH_RC4_56_SHA     "EXP1024-DHE-DSS-RC4-SHA"
 187 #define TLS1_TXT_DHE_DSS_WITH_RC4_128_SHA               "DHE-DSS-RC4-SHA"
 188
 189 /* AES ciphersuites from RFC3268 */
 190 #define TLS1_TXT_RSA_WITH_AES_128_SHA                   "AES128-SHA"
 191 #define TLS1_TXT_DH_DSS_WITH_AES_128_SHA                "DH-DSS-AES128-SHA"
 192 #define TLS1_TXT_DH_RSA_WITH_AES_128_SHA                "DH-RSA-AES128-SHA"
 193 #define TLS1_TXT_DHE_DSS_WITH_AES_128_SHA               "DHE-DSS-AES128-SHA"
 194 #define TLS1_TXT_DHE_RSA_WITH_AES_128_SHA               "DHE-RSA-AES128-SHA"
 195 #define TLS1_TXT_ADH_WITH_AES_128_SHA                   "ADH-AES128-SHA"
 196
 197 #define TLS1_TXT_RSA_WITH_AES_256_SHA                   "AES256-SHA"
 198 #define TLS1_TXT_DH_DSS_WITH_AES_256_SHA                "DH-DSS-AES256-SHA"
 199 #define TLS1_TXT_DH_RSA_WITH_AES_256_SHA                "DH-RSA-AES256-SHA"
 200 #define TLS1_TXT_DHE_DSS_WITH_AES_256_SHA               "DHE-DSS-AES256-SHA"
 201 #define TLS1_TXT_DHE_RSA_WITH_AES_256_SHA               "DHE-RSA-AES256-SHA"
 202 #define TLS1_TXT_ADH_WITH_AES_256_SHA                   "ADH-AES256-SHA"
 203
 204 /* ECC ciphersuites from draft-ietf-tls-ecc-01.txt (Mar 15, 2001) */
 205 #define TLS1_TXT_ECDH_ECDSA_WITH_NULL_SHA               "ECDH-ECDSA-NULL-SHA"
 206 #define TLS1_TXT_ECDH_ECDSA_WITH_RC4_128_SHA            "ECDH-ECDSA-RC4-SHA"
 207 #define TLS1_TXT_ECDH_ECDSA_WITH_DES_192_CBC3_SHA       "ECDH-ECDSA-DES-CBC3-SHA"
 208 #define TLS1_TXT_ECDH_ECDSA_WITH_AES_128_CBC_SHA        "ECDH-ECDSA-AES128-SHA"
 209 #define TLS1_TXT_ECDH_ECDSA_WITH_AES_256_CBC_SHA        "ECDH-ECDSA-AES256-SHA"
 210
 211 #define TLS1_TXT_ECDHE_ECDSA_WITH_NULL_SHA              "ECDHE-ECDSA-NULL-SHA"
 212 #define TLS1_TXT_ECDHE_ECDSA_WITH_RC4_128_SHA           "ECDHE-ECDSA-RC4-SHA"
 213 #define TLS1_TXT_ECDHE_ECDSA_WITH_DES_192_CBC3_SHA      "ECDHE-ECDSA-DES-CBC3-SHA"
 214 #define TLS1_TXT_ECDHE_ECDSA_WITH_AES_128_CBC_SHA       "ECDHE-ECDSA-AES128-SHA"
 215 #define TLS1_TXT_ECDHE_ECDSA_WITH_AES_256_CBC_SHA       "ECDHE-ECDSA-AES256-SHA"
 216
 217 #define TLS1_TXT_ECDH_RSA_WITH_NULL_SHA                 "ECDH-RSA-NULL-SHA"
 218 #define TLS1_TXT_ECDH_RSA_WITH_RC4_128_SHA              "ECDH-RSA-RC4-SHA"
 219 #define TLS1_TXT_ECDH_RSA_WITH_DES_192_CBC3_SHA         "ECDH-RSA-DES-CBC3-SHA"
 220 #define TLS1_TXT_ECDH_RSA_WITH_AES_128_CBC_SHA          "ECDH-RSA-AES128-SHA"
 221 #define TLS1_TXT_ECDH_RSA_WITH_AES_256_CBC_SHA          "ECDH-RSA-AES256-SHA"
 222
 223 #define TLS1_TXT_ECDHE_RSA_WITH_NULL_SHA                "ECDHE-RSA-NULL-SHA"
 224 #define TLS1_TXT_ECDHE_RSA_WITH_RC4_128_SHA             "ECDHE-RSA-RC4-SHA"
 225 #define TLS1_TXT_ECDHE_RSA_WITH_DES_192_CBC3_SHA        "ECDHE-RSA-DES-CBC3-SHA"
 226 #define TLS1_TXT_ECDHE_RSA_WITH_AES_128_CBC_SHA         "ECDHE-RSA-AES128-SHA"
 227 #define TLS1_TXT_ECDHE_RSA_WITH_AES_256_CBC_SHA         "ECDHE-RSA-AES256-SHA"
 228
 229 #define TLS1_TXT_ECDH_anon_WITH_NULL_SHA                "AECDH-NULL-SHA"
 230 #define TLS1_TXT_ECDH_anon_WITH_RC4_128_SHA             "AECDH-RC4-SHA"
 231 #define TLS1_TXT_ECDH_anon_WITH_DES_192_CBC3_SHA        "AECDH-DES-CBC3-SHA"
 232 #define TLS1_TXT_ECDH_anon_WITH_AES_128_CBC_SHA         "AECDH-AES128-SHA"
 233 #define TLS1_TXT_ECDH_anon_WITH_AES_256_CBC_SHA         "AECDH-AES256-SHA"
 234
 235 /* Camellia ciphersuites form RFC4132 */
 236 #define TLS1_TXT_RSA_WITH_CAMELLIA_128_CBC_SHA          "CAMELLIA128-SHA"
 237 #define TLS1_TXT_DH_DSS_WITH_CAMELLIA_128_CBC_SHA       "DH-DSS-CAMELLIA128-SHA"
 238 #define TLS1_TXT_DH_RSA_WITH_CAMELLIA_128_CBC_SHA       "DH-RSA-CAMELLIA128-SHA"
 239 #define TLS1_TXT_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA      "DHE-DSS-CAMELLIA128-SHA"
 240 #define TLS1_TXT_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA      "DHE-RSA-CAMELLIA128-SHA"
 241 #define TLS1_TXT_ADH_WITH_CAMELLIA_128_CBC_SHA          "ADH-CAMELLIA128-SHA"
 242
 243 #define TLS1_TXT_RSA_WITH_CAMELLIA_256_CBC_SHA          "CAMELLIA256-SHA"
 244 #define TLS1_TXT_DH_DSS_WITH_CAMELLIA_256_CBC_SHA       "DH-DSS-CAMELLIA256-SHA"
 245 #define TLS1_TXT_DH_RSA_WITH_CAMELLIA_256_CBC_SHA       "DH-RSA-CAMELLIA256-SHA"
 246 #define TLS1_TXT_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA      "DHE-DSS-CAMELLIA256-SHA"
 247 #define TLS1_TXT_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA      "DHE-RSA-CAMELLIA256-SHA"
 248 #define TLS1_TXT_ADH_WITH_CAMELLIA_256_CBC_SHA          "ADH-CAMELLIA256-SHA"
 249
 250
 251 #define TLS_CT_RSA_SIGN                 1
 252 #define TLS_CT_DSS_SIGN                 2
 253 #define TLS_CT_RSA_FIXED_DH             3
 254 #define TLS_CT_DSS_FIXED_DH             4
 255 #define TLS_CT_ECDSA_SIGN               64
 256 #define TLS_CT_RSA_FIXED_ECDH           65
 257 #define TLS_CT_ECDSA_FIXED_ECDH         66
 258 #define TLS_CT_NUMBER                   7
 259
 260 #define TLS1_FINISH_MAC_LENGTH          12
 261
 262 #define TLS_MD_MAX_CONST_SIZE                   20
 263 #define TLS_MD_CLIENT_FINISH_CONST              "client finished"
 264 #define TLS_MD_CLIENT_FINISH_CONST_SIZE         15
 265 #define TLS_MD_SERVER_FINISH_CONST              "server finished"
 266 #define TLS_MD_SERVER_FINISH_CONST_SIZE         15
 267 #define TLS_MD_SERVER_WRITE_KEY_CONST           "server write key"
 268 #define TLS_MD_SERVER_WRITE_KEY_CONST_SIZE      16
 269 #define TLS_MD_KEY_EXPANSION_CONST              "key expansion"
 270 #define TLS_MD_KEY_EXPANSION_CONST_SIZE         13
 271 #define TLS_MD_CLIENT_WRITE_KEY_CONST           "client write key"
 272 #define TLS_MD_CLIENT_WRITE_KEY_CONST_SIZE      16
 273 #define TLS_MD_SERVER_WRITE_KEY_CONST           "server write key"
 274 #define TLS_MD_SERVER_WRITE_KEY_CONST_SIZE      16
 275 #define TLS_MD_IV_BLOCK_CONST                   "IV block"
 276 #define TLS_MD_IV_BLOCK_CONST_SIZE              8
 277 #define TLS_MD_MASTER_SECRET_CONST              "master secret"
 278 #define TLS_MD_MASTER_SECRET_CONST_SIZE         13
 279
 280 #ifdef CHARSET_EBCDIC
 281 #undef TLS_MD_CLIENT_FINISH_CONST
 282 #define TLS_MD_CLIENT_FINISH_CONST    "\x63\x6c\x69\x65\x6e\x74\x20\x66\x69\x6e\x69\x73\x68\x65\x64"  /*client finished*/
 283 #undef TLS_MD_SERVER_FINISH_CONST
 284 #define TLS_MD_SERVER_FINISH_CONST    "\x73\x65\x72\x76\x65\x72\x20\x66\x69\x6e\x69\x73\x68\x65\x64"  /*server finished*/
 285 #undef TLS_MD_SERVER_WRITE_KEY_CONST
 286 #define TLS_MD_SERVER_WRITE_KEY_CONST "\x73\x65\x72\x76\x65\x72\x20\x77\x72\x69\x74\x65\x20\x6b\x65\x79"  /*server write key*/
 287 #undef TLS_MD_KEY_EXPANSION_CONST
 288 #define TLS_MD_KEY_EXPANSION_CONST    "\x6b\x65\x79\x20\x65\x78\x70\x61\x6e\x73\x69\x6f\x6e"  /*key expansion*/
 289 #undef TLS_MD_CLIENT_WRITE_KEY_CONST
 290 #define TLS_MD_CLIENT_WRITE_KEY_CONST "\x63\x6c\x69\x65\x6e\x74\x20\x77\x72\x69\x74\x65\x20\x6b\x65\x79"  /*client write key*/
 291 #undef TLS_MD_SERVER_WRITE_KEY_CONST
 292 #define TLS_MD_SERVER_WRITE_KEY_CONST "\x73\x65\x72\x76\x65\x72\x20\x77\x72\x69\x74\x65\x20\x6b\x65\x79"  /*server write key*/
 293 #undef TLS_MD_IV_BLOCK_CONST
 294 #define TLS_MD_IV_BLOCK_CONST         "\x49\x56\x20\x62\x6c\x6f\x63\x6b"  /*IV block*/
 295 #undef TLS_MD_MASTER_SECRET_CONST
 296 #define TLS_MD_MASTER_SECRET_CONST    "\x6d\x61\x73\x74\x65\x72\x20\x73\x65\x63\x72\x65\x74"  /*master secret*/
 297 #endif
 298
 299 #ifdef  __cplusplus
 300 }
 301 #endif
 302 #endif
 303
 304
 305