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_EDH_DSS_DES_40_CBC_SHA 0x03000011 162 # define SSL3_CK_DHE_DSS_DES_40_CBC_SHA SSL3_CK_EDH_DSS_DES_40_CBC_SHA 163 # define SSL3_CK_EDH_DSS_DES_64_CBC_SHA 0x03000012 164 # define SSL3_CK_DHE_DSS_DES_64_CBC_SHA SSL3_CK_EDH_DSS_DES_64_CBC_SHA 165 # define SSL3_CK_EDH_DSS_DES_192_CBC3_SHA 0x03000013 166 # define SSL3_CK_DHE_DSS_DES_192_CBC3_SHA SSL3_CK_EDH_DSS_DES_192_CBC3_SHA 167 # define SSL3_CK_EDH_RSA_DES_40_CBC_SHA 0x03000014 168 # define SSL3_CK_DHE_RSA_DES_40_CBC_SHA SSL3_CK_EDH_RSA_DES_40_CBC_SHA 169 # define SSL3_CK_EDH_RSA_DES_64_CBC_SHA 0x03000015 170 # define SSL3_CK_DHE_RSA_DES_64_CBC_SHA SSL3_CK_EDH_RSA_DES_64_CBC_SHA 171 # define SSL3_CK_EDH_RSA_DES_192_CBC3_SHA 0x03000016 172 # define SSL3_CK_DHE_RSA_DES_192_CBC3_SHA SSL3_CK_EDH_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 # if 0 181 # define SSL3_CK_FZA_DMS_NULL_SHA 0x0300001C 182 # define SSL3_CK_FZA_DMS_FZA_SHA 0x0300001D 183 # if 0 /* Because it clashes with KRB5, is never 184 * used any more, and is safe to remove 185 * according to David Hopwood 186 * <david.hopwood@zetnet.co.uk> of the 187 * ietf-tls list */ 188 # define SSL3_CK_FZA_DMS_RC4_SHA 0x0300001E 189 # endif 190 # endif 191 192 /* 193 * VRS Additional Kerberos5 entries 194 */ 195 # define SSL3_CK_KRB5_DES_64_CBC_SHA 0x0300001E 196 # define SSL3_CK_KRB5_DES_192_CBC3_SHA 0x0300001F 197 # define SSL3_CK_KRB5_RC4_128_SHA 0x03000020 198 # define SSL3_CK_KRB5_IDEA_128_CBC_SHA 0x03000021 199 # define SSL3_CK_KRB5_DES_64_CBC_MD5 0x03000022 200 # define SSL3_CK_KRB5_DES_192_CBC3_MD5 0x03000023 201 # define SSL3_CK_KRB5_RC4_128_MD5 0x03000024 202 # define SSL3_CK_KRB5_IDEA_128_CBC_MD5 0x03000025 203 204 # define SSL3_CK_KRB5_DES_40_CBC_SHA 0x03000026 205 # define SSL3_CK_KRB5_RC2_40_CBC_SHA 0x03000027 206 # define SSL3_CK_KRB5_RC4_40_SHA 0x03000028 207 # define SSL3_CK_KRB5_DES_40_CBC_MD5 0x03000029 208 # define SSL3_CK_KRB5_RC2_40_CBC_MD5 0x0300002A 209 # define SSL3_CK_KRB5_RC4_40_MD5 0x0300002B 210 211 # define SSL3_TXT_RSA_NULL_MD5 "NULL-MD5" 212 # define SSL3_TXT_RSA_NULL_SHA "NULL-SHA" 213 # define SSL3_TXT_RSA_RC4_40_MD5 "EXP-RC4-MD5" 214 # define SSL3_TXT_RSA_RC4_128_MD5 "RC4-MD5" 215 # define SSL3_TXT_RSA_RC4_128_SHA "RC4-SHA" 216 # define SSL3_TXT_RSA_RC2_40_MD5 "EXP-RC2-CBC-MD5" 217 # define SSL3_TXT_RSA_IDEA_128_SHA "IDEA-CBC-SHA" 218 # define SSL3_TXT_RSA_DES_40_CBC_SHA "EXP-DES-CBC-SHA" 219 # define SSL3_TXT_RSA_DES_64_CBC_SHA "DES-CBC-SHA" 220 # define SSL3_TXT_RSA_DES_192_CBC3_SHA "DES-CBC3-SHA" 221 222 # define SSL3_TXT_DH_DSS_DES_40_CBC_SHA "EXP-DH-DSS-DES-CBC-SHA" 223 # define SSL3_TXT_DH_DSS_DES_64_CBC_SHA "DH-DSS-DES-CBC-SHA" 224 # define SSL3_TXT_DH_DSS_DES_192_CBC3_SHA "DH-DSS-DES-CBC3-SHA" 225 # define SSL3_TXT_DH_RSA_DES_40_CBC_SHA "EXP-DH-RSA-DES-CBC-SHA" 226 # define SSL3_TXT_DH_RSA_DES_64_CBC_SHA "DH-RSA-DES-CBC-SHA" 227 # define SSL3_TXT_DH_RSA_DES_192_CBC3_SHA "DH-RSA-DES-CBC3-SHA" 228 229 # define SSL3_TXT_DHE_DSS_DES_40_CBC_SHA "EXP-DHE-DSS-DES-CBC-SHA" 230 # define SSL3_TXT_DHE_DSS_DES_64_CBC_SHA "DHE-DSS-DES-CBC-SHA" 231 # define SSL3_TXT_DHE_DSS_DES_192_CBC3_SHA "DHE-DSS-DES-CBC3-SHA" 232 # define SSL3_TXT_DHE_RSA_DES_40_CBC_SHA "EXP-DHE-RSA-DES-CBC-SHA" 233 # define SSL3_TXT_DHE_RSA_DES_64_CBC_SHA "DHE-RSA-DES-CBC-SHA" 234 # define SSL3_TXT_DHE_RSA_DES_192_CBC3_SHA "DHE-RSA-DES-CBC3-SHA" 235 236 /* 237 * This next block of six "EDH" labels is for backward compatibility with 238 * older versions of OpenSSL. New code should use the six "DHE" labels above 239 * instead: 240 */ 241 # define SSL3_TXT_EDH_DSS_DES_40_CBC_SHA "EXP-EDH-DSS-DES-CBC-SHA" 242 # define SSL3_TXT_EDH_DSS_DES_64_CBC_SHA "EDH-DSS-DES-CBC-SHA" 243 # define SSL3_TXT_EDH_DSS_DES_192_CBC3_SHA "EDH-DSS-DES-CBC3-SHA" 244 # define SSL3_TXT_EDH_RSA_DES_40_CBC_SHA "EXP-EDH-RSA-DES-CBC-SHA" 245 # define SSL3_TXT_EDH_RSA_DES_64_CBC_SHA "EDH-RSA-DES-CBC-SHA" 246 # define SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA "EDH-RSA-DES-CBC3-SHA" 247 248 # define SSL3_TXT_ADH_RC4_40_MD5 "EXP-ADH-RC4-MD5" 249 # define SSL3_TXT_ADH_RC4_128_MD5 "ADH-RC4-MD5" 250 # define SSL3_TXT_ADH_DES_40_CBC_SHA "EXP-ADH-DES-CBC-SHA" 251 # define SSL3_TXT_ADH_DES_64_CBC_SHA "ADH-DES-CBC-SHA" 252 # define SSL3_TXT_ADH_DES_192_CBC_SHA "ADH-DES-CBC3-SHA" 253 254 # if 0 255 # define SSL3_TXT_FZA_DMS_NULL_SHA "FZA-NULL-SHA" 256 # define SSL3_TXT_FZA_DMS_FZA_SHA "FZA-FZA-CBC-SHA" 257 # define SSL3_TXT_FZA_DMS_RC4_SHA "FZA-RC4-SHA" 258 # endif 259 260 # define SSL3_TXT_KRB5_DES_64_CBC_SHA "KRB5-DES-CBC-SHA" 261 # define SSL3_TXT_KRB5_DES_192_CBC3_SHA "KRB5-DES-CBC3-SHA" 262 # define SSL3_TXT_KRB5_RC4_128_SHA "KRB5-RC4-SHA" 263 # define SSL3_TXT_KRB5_IDEA_128_CBC_SHA "KRB5-IDEA-CBC-SHA" 264 # define SSL3_TXT_KRB5_DES_64_CBC_MD5 "KRB5-DES-CBC-MD5" 265 # define SSL3_TXT_KRB5_DES_192_CBC3_MD5 "KRB5-DES-CBC3-MD5" 266 # define SSL3_TXT_KRB5_RC4_128_MD5 "KRB5-RC4-MD5" 267 # define SSL3_TXT_KRB5_IDEA_128_CBC_MD5 "KRB5-IDEA-CBC-MD5" 268 269 # define SSL3_TXT_KRB5_DES_40_CBC_SHA "EXP-KRB5-DES-CBC-SHA" 270 # define SSL3_TXT_KRB5_RC2_40_CBC_SHA "EXP-KRB5-RC2-CBC-SHA" 271 # define SSL3_TXT_KRB5_RC4_40_SHA "EXP-KRB5-RC4-SHA" 272 # define SSL3_TXT_KRB5_DES_40_CBC_MD5 "EXP-KRB5-DES-CBC-MD5" 273 # define SSL3_TXT_KRB5_RC2_40_CBC_MD5 "EXP-KRB5-RC2-CBC-MD5" 274 # define SSL3_TXT_KRB5_RC4_40_MD5 "EXP-KRB5-RC4-MD5" 275 276 # define SSL3_SSL_SESSION_ID_LENGTH 32 277 # define SSL3_MAX_SSL_SESSION_ID_LENGTH 32 278 279 # define SSL3_MASTER_SECRET_SIZE 48 280 # define SSL3_RANDOM_SIZE 32 281 # define SSL3_SESSION_ID_SIZE 32 282 # define SSL3_RT_HEADER_LENGTH 5 283 284 # define SSL3_HM_HEADER_LENGTH 4 285 286 # ifndef SSL3_ALIGN_PAYLOAD 287 /* 288 * Some will argue that this increases memory footprint, but it's not 289 * actually true. Point is that malloc has to return at least 64-bit aligned 290 * pointers, meaning that allocating 5 bytes wastes 3 bytes in either case. 291 * Suggested pre-gaping simply moves these wasted bytes from the end of 292 * allocated region to its front, but makes data payload aligned, which 293 * improves performance:-) 294 */ 295 # define SSL3_ALIGN_PAYLOAD 8 296 # else 297 # if (SSL3_ALIGN_PAYLOAD&(SSL3_ALIGN_PAYLOAD-1))!=0 298 # error "insane SSL3_ALIGN_PAYLOAD" 299 # undef SSL3_ALIGN_PAYLOAD 300 # endif 301 # endif 302 303 /* 304 * This is the maximum MAC (digest) size used by the SSL library. Currently 305 * maximum of 20 is used by SHA1, but we reserve for future extension for 306 * 512-bit hashes. 307 */ 308 309 # define SSL3_RT_MAX_MD_SIZE 64 310 311 /* 312 * Maximum block size used in all ciphersuites. Currently 16 for AES. 313 */ 314 315 # define SSL_RT_MAX_CIPHER_BLOCK_SIZE 16 316 317 # define SSL3_RT_MAX_EXTRA (16384) 318 319 /* Maximum plaintext length: defined by SSL/TLS standards */ 320 # define SSL3_RT_MAX_PLAIN_LENGTH 16384 321 /* Maximum compression overhead: defined by SSL/TLS standards */ 322 # define SSL3_RT_MAX_COMPRESSED_OVERHEAD 1024 323 324 /* 325 * The standards give a maximum encryption overhead of 1024 bytes. In 326 * practice the value is lower than this. The overhead is the maximum number 327 * of padding bytes (256) plus the mac size. 328 */ 329 # define SSL3_RT_MAX_ENCRYPTED_OVERHEAD (256 + SSL3_RT_MAX_MD_SIZE) 330 331 /* 332 * OpenSSL currently only uses a padding length of at most one block so the 333 * send overhead is smaller. 334 */ 335 336 # define SSL3_RT_SEND_MAX_ENCRYPTED_OVERHEAD \ 337 (SSL_RT_MAX_CIPHER_BLOCK_SIZE + SSL3_RT_MAX_MD_SIZE) 338 339 /* If compression isn't used don't include the compression overhead */ 340 341 # ifdef OPENSSL_NO_COMP 342 # define SSL3_RT_MAX_COMPRESSED_LENGTH SSL3_RT_MAX_PLAIN_LENGTH 343 # else 344 # define SSL3_RT_MAX_COMPRESSED_LENGTH \ 345 (SSL3_RT_MAX_PLAIN_LENGTH+SSL3_RT_MAX_COMPRESSED_OVERHEAD) 346 # endif 347 # define SSL3_RT_MAX_ENCRYPTED_LENGTH \ 348 (SSL3_RT_MAX_ENCRYPTED_OVERHEAD+SSL3_RT_MAX_COMPRESSED_LENGTH) 349 # define SSL3_RT_MAX_PACKET_SIZE \ 350 (SSL3_RT_MAX_ENCRYPTED_LENGTH+SSL3_RT_HEADER_LENGTH) 351 352 # define SSL3_MD_CLIENT_FINISHED_CONST "\x43\x4C\x4E\x54" 353 # define SSL3_MD_SERVER_FINISHED_CONST "\x53\x52\x56\x52" 354 355 # define SSL3_VERSION 0x0300 356 # define SSL3_VERSION_MAJOR 0x03 357 # define SSL3_VERSION_MINOR 0x00 358 359 # define SSL3_RT_CHANGE_CIPHER_SPEC 20 360 # define SSL3_RT_ALERT 21 361 # define SSL3_RT_HANDSHAKE 22 362 # define SSL3_RT_APPLICATION_DATA 23 363 # define TLS1_RT_HEARTBEAT 24 364 365 /* Pseudo content types to indicate additional parameters */ 366 # define TLS1_RT_CRYPTO 0x1000 367 # define TLS1_RT_CRYPTO_PREMASTER (TLS1_RT_CRYPTO | 0x1) 368 # define TLS1_RT_CRYPTO_CLIENT_RANDOM (TLS1_RT_CRYPTO | 0x2) 369 # define TLS1_RT_CRYPTO_SERVER_RANDOM (TLS1_RT_CRYPTO | 0x3) 370 # define TLS1_RT_CRYPTO_MASTER (TLS1_RT_CRYPTO | 0x4) 371 372 # define TLS1_RT_CRYPTO_READ 0x0000 373 # define TLS1_RT_CRYPTO_WRITE 0x0100 374 # define TLS1_RT_CRYPTO_MAC (TLS1_RT_CRYPTO | 0x5) 375 # define TLS1_RT_CRYPTO_KEY (TLS1_RT_CRYPTO | 0x6) 376 # define TLS1_RT_CRYPTO_IV (TLS1_RT_CRYPTO | 0x7) 377 # define TLS1_RT_CRYPTO_FIXED_IV (TLS1_RT_CRYPTO | 0x8) 378 379 /* Pseudo content type for SSL/TLS header info */ 380 # define SSL3_RT_HEADER 0x100 381 382 # define SSL3_AL_WARNING 1 383 # define SSL3_AL_FATAL 2 384 385 # define SSL3_AD_CLOSE_NOTIFY 0 386 # define SSL3_AD_UNEXPECTED_MESSAGE 10/* fatal */ 387 # define SSL3_AD_BAD_RECORD_MAC 20/* fatal */ 388 # define SSL3_AD_DECOMPRESSION_FAILURE 30/* fatal */ 389 # define SSL3_AD_HANDSHAKE_FAILURE 40/* fatal */ 390 # define SSL3_AD_NO_CERTIFICATE 41 391 # define SSL3_AD_BAD_CERTIFICATE 42 392 # define SSL3_AD_UNSUPPORTED_CERTIFICATE 43 393 # define SSL3_AD_CERTIFICATE_REVOKED 44 394 # define SSL3_AD_CERTIFICATE_EXPIRED 45 395 # define SSL3_AD_CERTIFICATE_UNKNOWN 46 396 # define SSL3_AD_ILLEGAL_PARAMETER 47/* fatal */ 397 398 # define TLS1_HB_REQUEST 1 399 # define TLS1_HB_RESPONSE 2 400 401 # ifndef OPENSSL_NO_SSL_INTERN 402 403 typedef struct ssl3_record_st { 404 /* type of record */ 405 /* 406 * r 407 */ int type; 408 /* How many bytes available */ 409 /* 410 * rw 411 */ unsigned int length; 412 /* read/write offset into 'buf' */ 413 /* 414 * r 415 */ unsigned int off; 416 /* pointer to the record data */ 417 /* 418 * rw 419 */ unsigned char *data; 420 /* where the decode bytes are */ 421 /* 422 * rw 423 */ unsigned char *input; 424 /* only used with decompression - malloc()ed */ 425 /* 426 * r 427 */ unsigned char *comp; 428 /* epoch number, needed by DTLS1 */ 429 /* 430 * r 431 */ unsigned long epoch; 432 /* sequence number, needed by DTLS1 */ 433 /* 434 * r 435 */ unsigned char seq_num[8]; 436 } SSL3_RECORD; 437 438 typedef struct ssl3_buffer_st { 439 /* at least SSL3_RT_MAX_PACKET_SIZE bytes, see ssl3_setup_buffers() */ 440 unsigned char *buf; 441 /* buffer size */ 442 size_t len; 443 /* where to 'copy from' */ 444 int offset; 445 /* how many bytes left */ 446 int left; 447 } SSL3_BUFFER; 448 449 # endif 450 451 # define SSL3_CT_RSA_SIGN 1 452 # define SSL3_CT_DSS_SIGN 2 453 # define SSL3_CT_RSA_FIXED_DH 3 454 # define SSL3_CT_DSS_FIXED_DH 4 455 # define SSL3_CT_RSA_EPHEMERAL_DH 5 456 # define SSL3_CT_DSS_EPHEMERAL_DH 6 457 # define SSL3_CT_FORTEZZA_DMS 20 458 /* 459 * SSL3_CT_NUMBER is used to size arrays and it must be large enough to 460 * contain all of the cert types defined either for SSLv3 and TLSv1. 461 */ 462 # define SSL3_CT_NUMBER 9 463 464 # define SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS 0x0001 465 # define SSL3_FLAGS_DELAY_CLIENT_FINISHED 0x0002 466 # define SSL3_FLAGS_POP_BUFFER 0x0004 467 # define TLS1_FLAGS_TLS_PADDING_BUG 0x0008 468 # define TLS1_FLAGS_SKIP_CERT_VERIFY 0x0010 469 # define TLS1_FLAGS_KEEP_HANDSHAKE 0x0020 470 /* 471 * Set when the handshake is ready to process peer's ChangeCipherSpec message. 472 * Cleared after the message has been processed. 473 */ 474 # define SSL3_FLAGS_CCS_OK 0x0080 475 476 /* SSL3_FLAGS_SGC_RESTART_DONE is no longer used */ 477 # define SSL3_FLAGS_SGC_RESTART_DONE 0x0040 478 479 # ifndef OPENSSL_NO_SSL_INTERN 480 481 typedef struct ssl3_state_st { 482 long flags; 483 int delay_buf_pop_ret; 484 unsigned char read_sequence[8]; 485 int read_mac_secret_size; 486 unsigned char read_mac_secret[EVP_MAX_MD_SIZE]; 487 unsigned char write_sequence[8]; 488 int write_mac_secret_size; 489 unsigned char write_mac_secret[EVP_MAX_MD_SIZE]; 490 unsigned char server_random[SSL3_RANDOM_SIZE]; 491 unsigned char client_random[SSL3_RANDOM_SIZE]; 492 /* flags for countermeasure against known-IV weakness */ 493 int need_empty_fragments; 494 int empty_fragment_done; 495 /* The value of 'extra' when the buffers were initialized */ 496 int init_extra; 497 SSL3_BUFFER rbuf; /* read IO goes into here */ 498 SSL3_BUFFER wbuf; /* write IO goes into here */ 499 SSL3_RECORD rrec; /* each decoded record goes in here */ 500 SSL3_RECORD wrec; /* goes out from here */ 501 /* 502 * storage for Alert/Handshake protocol data received but not yet 503 * processed by ssl3_read_bytes: 504 */ 505 unsigned char alert_fragment[2]; 506 unsigned int alert_fragment_len; 507 unsigned char handshake_fragment[4]; 508 unsigned int handshake_fragment_len; 509 /* partial write - check the numbers match */ 510 unsigned int wnum; /* number of bytes sent so far */ 511 int wpend_tot; /* number bytes written */ 512 int wpend_type; 513 int wpend_ret; /* number of bytes submitted */ 514 const unsigned char *wpend_buf; 515 /* used during startup, digest all incoming/outgoing packets */ 516 BIO *handshake_buffer; 517 /* 518 * When set of handshake digests is determined, buffer is hashed and 519 * freed and MD_CTX-es for all required digests are stored in this array 520 */ 521 EVP_MD_CTX **handshake_dgst; 522 /* 523 * Set whenever an expected ChangeCipherSpec message is processed. 524 * Unset when the peer's Finished message is received. 525 * Unexpected ChangeCipherSpec messages trigger a fatal alert. 526 */ 527 int change_cipher_spec; 528 int warn_alert; 529 int fatal_alert; 530 /* 531 * we allow one fatal and one warning alert to be outstanding, send close 532 * alert via the warning alert 533 */ 534 int alert_dispatch; 535 unsigned char send_alert[2]; 536 /* 537 * This flag is set when we should renegotiate ASAP, basically when there 538 * is no more data in the read or write buffers 539 */ 540 int renegotiate; 541 int total_renegotiations; 542 int num_renegotiations; 543 int in_read_app_data; 544 /* 545 * Opaque PRF input as used for the current handshake. These fields are 546 * used only if TLSEXT_TYPE_opaque_prf_input is defined (otherwise, they 547 * are merely present to improve binary compatibility) 548 */ 549 void *client_opaque_prf_input; 550 size_t client_opaque_prf_input_len; 551 void *server_opaque_prf_input; 552 size_t server_opaque_prf_input_len; 553 struct { 554 /* actually only needs to be 16+20 */ 555 unsigned char cert_verify_md[EVP_MAX_MD_SIZE * 2]; 556 /* actually only need to be 16+20 for SSLv3 and 12 for TLS */ 557 unsigned char finish_md[EVP_MAX_MD_SIZE * 2]; 558 int finish_md_len; 559 unsigned char peer_finish_md[EVP_MAX_MD_SIZE * 2]; 560 int peer_finish_md_len; 561 unsigned long message_size; 562 int message_type; 563 /* used to hold the new cipher we are going to use */ 564 const SSL_CIPHER *new_cipher; 565 # ifndef OPENSSL_NO_DH 566 DH *dh; 567 # endif 568 # ifndef OPENSSL_NO_ECDH 569 EC_KEY *ecdh; /* holds short lived ECDH key */ 570 # endif 571 /* used when SSL_ST_FLUSH_DATA is entered */ 572 int next_state; 573 int reuse_message; 574 /* used for certificate requests */ 575 int cert_req; 576 int ctype_num; 577 char ctype[SSL3_CT_NUMBER]; 578 STACK_OF(X509_NAME) *ca_names; 579 int use_rsa_tmp; 580 int key_block_length; 581 unsigned char *key_block; 582 const EVP_CIPHER *new_sym_enc; 583 const EVP_MD *new_hash; 584 int new_mac_pkey_type; 585 int new_mac_secret_size; 586 # ifndef OPENSSL_NO_COMP 587 const SSL_COMP *new_compression; 588 # else 589 char *new_compression; 590 # endif 591 int cert_request; 592 } tmp; 593 594 /* Connection binding to prevent renegotiation attacks */ 595 unsigned char previous_client_finished[EVP_MAX_MD_SIZE]; 596 unsigned char previous_client_finished_len; 597 unsigned char previous_server_finished[EVP_MAX_MD_SIZE]; 598 unsigned char previous_server_finished_len; 599 int send_connection_binding; /* TODOEKR */ 600 601 # ifndef OPENSSL_NO_NEXTPROTONEG 602 /* 603 * Set if we saw the Next Protocol Negotiation extension from our peer. 604 */ 605 int next_proto_neg_seen; 606 # endif 607 608 # ifndef OPENSSL_NO_TLSEXT 609 # ifndef OPENSSL_NO_EC 610 /* 611 * This is set to true if we believe that this is a version of Safari 612 * running on OS X 10.6 or newer. We wish to know this because Safari on 613 * 10.8 .. 10.8.3 has broken ECDHE-ECDSA support. 614 */ 615 char is_probably_safari; 616 # endif /* !OPENSSL_NO_EC */ 617 618 /* 619 * ALPN information (we are in the process of transitioning from NPN to 620 * ALPN.) 621 */ 622 623 /* 624 * In a server these point to the selected ALPN protocol after the 625 * ClientHello has been processed. In a client these contain the protocol 626 * that the server selected once the ServerHello has been processed. 627 */ 628 unsigned char *alpn_selected; 629 unsigned alpn_selected_len; 630 # endif /* OPENSSL_NO_TLSEXT */ 631 } SSL3_STATE; 632 633 # endif 634 635 /* SSLv3 */ 636 /* 637 * client 638 */ 639 /* extra state */ 640 # define SSL3_ST_CW_FLUSH (0x100|SSL_ST_CONNECT) 641 # ifndef OPENSSL_NO_SCTP 642 # define DTLS1_SCTP_ST_CW_WRITE_SOCK (0x310|SSL_ST_CONNECT) 643 # define DTLS1_SCTP_ST_CR_READ_SOCK (0x320|SSL_ST_CONNECT) 644 # endif 645 /* write to server */ 646 # define SSL3_ST_CW_CLNT_HELLO_A (0x110|SSL_ST_CONNECT) 647 # define SSL3_ST_CW_CLNT_HELLO_B (0x111|SSL_ST_CONNECT) 648 /* read from server */ 649 # define SSL3_ST_CR_SRVR_HELLO_A (0x120|SSL_ST_CONNECT) 650 # define SSL3_ST_CR_SRVR_HELLO_B (0x121|SSL_ST_CONNECT) 651 # define DTLS1_ST_CR_HELLO_VERIFY_REQUEST_A (0x126|SSL_ST_CONNECT) 652 # define DTLS1_ST_CR_HELLO_VERIFY_REQUEST_B (0x127|SSL_ST_CONNECT) 653 # define SSL3_ST_CR_CERT_A (0x130|SSL_ST_CONNECT) 654 # define SSL3_ST_CR_CERT_B (0x131|SSL_ST_CONNECT) 655 # define SSL3_ST_CR_KEY_EXCH_A (0x140|SSL_ST_CONNECT) 656 # define SSL3_ST_CR_KEY_EXCH_B (0x141|SSL_ST_CONNECT) 657 # define SSL3_ST_CR_CERT_REQ_A (0x150|SSL_ST_CONNECT) 658 # define SSL3_ST_CR_CERT_REQ_B (0x151|SSL_ST_CONNECT) 659 # define SSL3_ST_CR_SRVR_DONE_A (0x160|SSL_ST_CONNECT) 660 # define SSL3_ST_CR_SRVR_DONE_B (0x161|SSL_ST_CONNECT) 661 /* write to server */ 662 # define SSL3_ST_CW_CERT_A (0x170|SSL_ST_CONNECT) 663 # define SSL3_ST_CW_CERT_B (0x171|SSL_ST_CONNECT) 664 # define SSL3_ST_CW_CERT_C (0x172|SSL_ST_CONNECT) 665 # define SSL3_ST_CW_CERT_D (0x173|SSL_ST_CONNECT) 666 # define SSL3_ST_CW_KEY_EXCH_A (0x180|SSL_ST_CONNECT) 667 # define SSL3_ST_CW_KEY_EXCH_B (0x181|SSL_ST_CONNECT) 668 # define SSL3_ST_CW_CERT_VRFY_A (0x190|SSL_ST_CONNECT) 669 # define SSL3_ST_CW_CERT_VRFY_B (0x191|SSL_ST_CONNECT) 670 # define SSL3_ST_CW_CHANGE_A (0x1A0|SSL_ST_CONNECT) 671 # define SSL3_ST_CW_CHANGE_B (0x1A1|SSL_ST_CONNECT) 672 # ifndef OPENSSL_NO_NEXTPROTONEG 673 # define SSL3_ST_CW_NEXT_PROTO_A (0x200|SSL_ST_CONNECT) 674 # define SSL3_ST_CW_NEXT_PROTO_B (0x201|SSL_ST_CONNECT) 675 # endif 676 # define SSL3_ST_CW_FINISHED_A (0x1B0|SSL_ST_CONNECT) 677 # define SSL3_ST_CW_FINISHED_B (0x1B1|SSL_ST_CONNECT) 678 /* read from server */ 679 # define SSL3_ST_CR_CHANGE_A (0x1C0|SSL_ST_CONNECT) 680 # define SSL3_ST_CR_CHANGE_B (0x1C1|SSL_ST_CONNECT) 681 # define SSL3_ST_CR_FINISHED_A (0x1D0|SSL_ST_CONNECT) 682 # define SSL3_ST_CR_FINISHED_B (0x1D1|SSL_ST_CONNECT) 683 # define SSL3_ST_CR_SESSION_TICKET_A (0x1E0|SSL_ST_CONNECT) 684 # define SSL3_ST_CR_SESSION_TICKET_B (0x1E1|SSL_ST_CONNECT) 685 # define SSL3_ST_CR_CERT_STATUS_A (0x1F0|SSL_ST_CONNECT) 686 # define SSL3_ST_CR_CERT_STATUS_B (0x1F1|SSL_ST_CONNECT) 687 688 /* server */ 689 /* extra state */ 690 # define SSL3_ST_SW_FLUSH (0x100|SSL_ST_ACCEPT) 691 # ifndef OPENSSL_NO_SCTP 692 # define DTLS1_SCTP_ST_SW_WRITE_SOCK (0x310|SSL_ST_ACCEPT) 693 # define DTLS1_SCTP_ST_SR_READ_SOCK (0x320|SSL_ST_ACCEPT) 694 # endif 695 /* read from client */ 696 /* Do not change the number values, they do matter */ 697 # define SSL3_ST_SR_CLNT_HELLO_A (0x110|SSL_ST_ACCEPT) 698 # define SSL3_ST_SR_CLNT_HELLO_B (0x111|SSL_ST_ACCEPT) 699 # define SSL3_ST_SR_CLNT_HELLO_C (0x112|SSL_ST_ACCEPT) 700 # define SSL3_ST_SR_CLNT_HELLO_D (0x115|SSL_ST_ACCEPT) 701 /* write to client */ 702 # define DTLS1_ST_SW_HELLO_VERIFY_REQUEST_A (0x113|SSL_ST_ACCEPT) 703 # define DTLS1_ST_SW_HELLO_VERIFY_REQUEST_B (0x114|SSL_ST_ACCEPT) 704 # define SSL3_ST_SW_HELLO_REQ_A (0x120|SSL_ST_ACCEPT) 705 # define SSL3_ST_SW_HELLO_REQ_B (0x121|SSL_ST_ACCEPT) 706 # define SSL3_ST_SW_HELLO_REQ_C (0x122|SSL_ST_ACCEPT) 707 # define SSL3_ST_SW_SRVR_HELLO_A (0x130|SSL_ST_ACCEPT) 708 # define SSL3_ST_SW_SRVR_HELLO_B (0x131|SSL_ST_ACCEPT) 709 # define SSL3_ST_SW_CERT_A (0x140|SSL_ST_ACCEPT) 710 # define SSL3_ST_SW_CERT_B (0x141|SSL_ST_ACCEPT) 711 # define SSL3_ST_SW_KEY_EXCH_A (0x150|SSL_ST_ACCEPT) 712 # define SSL3_ST_SW_KEY_EXCH_B (0x151|SSL_ST_ACCEPT) 713 # define SSL3_ST_SW_CERT_REQ_A (0x160|SSL_ST_ACCEPT) 714 # define SSL3_ST_SW_CERT_REQ_B (0x161|SSL_ST_ACCEPT) 715 # define SSL3_ST_SW_SRVR_DONE_A (0x170|SSL_ST_ACCEPT) 716 # define SSL3_ST_SW_SRVR_DONE_B (0x171|SSL_ST_ACCEPT) 717 /* read from client */ 718 # define SSL3_ST_SR_CERT_A (0x180|SSL_ST_ACCEPT) 719 # define SSL3_ST_SR_CERT_B (0x181|SSL_ST_ACCEPT) 720 # define SSL3_ST_SR_KEY_EXCH_A (0x190|SSL_ST_ACCEPT) 721 # define SSL3_ST_SR_KEY_EXCH_B (0x191|SSL_ST_ACCEPT) 722 # define SSL3_ST_SR_CERT_VRFY_A (0x1A0|SSL_ST_ACCEPT) 723 # define SSL3_ST_SR_CERT_VRFY_B (0x1A1|SSL_ST_ACCEPT) 724 # define SSL3_ST_SR_CHANGE_A (0x1B0|SSL_ST_ACCEPT) 725 # define SSL3_ST_SR_CHANGE_B (0x1B1|SSL_ST_ACCEPT) 726 # ifndef OPENSSL_NO_NEXTPROTONEG 727 # define SSL3_ST_SR_NEXT_PROTO_A (0x210|SSL_ST_ACCEPT) 728 # define SSL3_ST_SR_NEXT_PROTO_B (0x211|SSL_ST_ACCEPT) 729 # endif 730 # define SSL3_ST_SR_FINISHED_A (0x1C0|SSL_ST_ACCEPT) 731 # define SSL3_ST_SR_FINISHED_B (0x1C1|SSL_ST_ACCEPT) 732 /* write to client */ 733 # define SSL3_ST_SW_CHANGE_A (0x1D0|SSL_ST_ACCEPT) 734 # define SSL3_ST_SW_CHANGE_B (0x1D1|SSL_ST_ACCEPT) 735 # define SSL3_ST_SW_FINISHED_A (0x1E0|SSL_ST_ACCEPT) 736 # define SSL3_ST_SW_FINISHED_B (0x1E1|SSL_ST_ACCEPT) 737 # define SSL3_ST_SW_SESSION_TICKET_A (0x1F0|SSL_ST_ACCEPT) 738 # define SSL3_ST_SW_SESSION_TICKET_B (0x1F1|SSL_ST_ACCEPT) 739 # define SSL3_ST_SW_CERT_STATUS_A (0x200|SSL_ST_ACCEPT) 740 # define SSL3_ST_SW_CERT_STATUS_B (0x201|SSL_ST_ACCEPT) 741 742 # define SSL3_MT_HELLO_REQUEST 0 743 # define SSL3_MT_CLIENT_HELLO 1 744 # define SSL3_MT_SERVER_HELLO 2 745 # define SSL3_MT_NEWSESSION_TICKET 4 746 # define SSL3_MT_CERTIFICATE 11 747 # define SSL3_MT_SERVER_KEY_EXCHANGE 12 748 # define SSL3_MT_CERTIFICATE_REQUEST 13 749 # define SSL3_MT_SERVER_DONE 14 750 # define SSL3_MT_CERTIFICATE_VERIFY 15 751 # define SSL3_MT_CLIENT_KEY_EXCHANGE 16 752 # define SSL3_MT_FINISHED 20 753 # define SSL3_MT_CERTIFICATE_STATUS 22 754 # ifndef OPENSSL_NO_NEXTPROTONEG 755 # define SSL3_MT_NEXT_PROTO 67 756 # endif 757 # define DTLS1_MT_HELLO_VERIFY_REQUEST 3 758 759 # define SSL3_MT_CCS 1 760 761 /* These are used when changing over to a new cipher */ 762 # define SSL3_CC_READ 0x01 763 # define SSL3_CC_WRITE 0x02 764 # define SSL3_CC_CLIENT 0x10 765 # define SSL3_CC_SERVER 0x20 766 # define SSL3_CHANGE_CIPHER_CLIENT_WRITE (SSL3_CC_CLIENT|SSL3_CC_WRITE) 767 # define SSL3_CHANGE_CIPHER_SERVER_READ (SSL3_CC_SERVER|SSL3_CC_READ) 768 # define SSL3_CHANGE_CIPHER_CLIENT_READ (SSL3_CC_CLIENT|SSL3_CC_READ) 769 # define SSL3_CHANGE_CIPHER_SERVER_WRITE (SSL3_CC_SERVER|SSL3_CC_WRITE) 770 771 #ifdef __cplusplus 772 } 773 #endif 774 #endif 775