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 128extern "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 403typedef 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 438typedef 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 481typedef 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