1 /* 2 * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved. 3 * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved 4 * 5 * Licensed under the OpenSSL license (the "License"). You may not use 6 * this file except in compliance with the License. You can obtain a copy 7 * in the file LICENSE in the source distribution or at 8 * https://www.openssl.org/source/license.html 9 */ 10 11 #ifndef HEADER_SSL3_H 12 # define HEADER_SSL3_H 13 14 # include <openssl/comp.h> 15 # include <openssl/buffer.h> 16 # include <openssl/evp.h> 17 # include <openssl/ssl.h> 18 19 #ifdef __cplusplus 20 extern "C" { 21 #endif 22 23 /* 24 * Signalling cipher suite value from RFC 5746 25 * (TLS_EMPTY_RENEGOTIATION_INFO_SCSV) 26 */ 27 # define SSL3_CK_SCSV 0x030000FF 28 29 /* 30 * Signalling cipher suite value from draft-ietf-tls-downgrade-scsv-00 31 * (TLS_FALLBACK_SCSV) 32 */ 33 # define SSL3_CK_FALLBACK_SCSV 0x03005600 34 35 # define SSL3_CK_RSA_NULL_MD5 0x03000001 36 # define SSL3_CK_RSA_NULL_SHA 0x03000002 37 # define SSL3_CK_RSA_RC4_40_MD5 0x03000003 38 # define SSL3_CK_RSA_RC4_128_MD5 0x03000004 39 # define SSL3_CK_RSA_RC4_128_SHA 0x03000005 40 # define SSL3_CK_RSA_RC2_40_MD5 0x03000006 41 # define SSL3_CK_RSA_IDEA_128_SHA 0x03000007 42 # define SSL3_CK_RSA_DES_40_CBC_SHA 0x03000008 43 # define SSL3_CK_RSA_DES_64_CBC_SHA 0x03000009 44 # define SSL3_CK_RSA_DES_192_CBC3_SHA 0x0300000A 45 46 # define SSL3_CK_DH_DSS_DES_40_CBC_SHA 0x0300000B 47 # define SSL3_CK_DH_DSS_DES_64_CBC_SHA 0x0300000C 48 # define SSL3_CK_DH_DSS_DES_192_CBC3_SHA 0x0300000D 49 # define SSL3_CK_DH_RSA_DES_40_CBC_SHA 0x0300000E 50 # define SSL3_CK_DH_RSA_DES_64_CBC_SHA 0x0300000F 51 # define SSL3_CK_DH_RSA_DES_192_CBC3_SHA 0x03000010 52 53 # define SSL3_CK_DHE_DSS_DES_40_CBC_SHA 0x03000011 54 # define SSL3_CK_EDH_DSS_DES_40_CBC_SHA SSL3_CK_DHE_DSS_DES_40_CBC_SHA 55 # define SSL3_CK_DHE_DSS_DES_64_CBC_SHA 0x03000012 56 # define SSL3_CK_EDH_DSS_DES_64_CBC_SHA SSL3_CK_DHE_DSS_DES_64_CBC_SHA 57 # define SSL3_CK_DHE_DSS_DES_192_CBC3_SHA 0x03000013 58 # define SSL3_CK_EDH_DSS_DES_192_CBC3_SHA SSL3_CK_DHE_DSS_DES_192_CBC3_SHA 59 # define SSL3_CK_DHE_RSA_DES_40_CBC_SHA 0x03000014 60 # define SSL3_CK_EDH_RSA_DES_40_CBC_SHA SSL3_CK_DHE_RSA_DES_40_CBC_SHA 61 # define SSL3_CK_DHE_RSA_DES_64_CBC_SHA 0x03000015 62 # define SSL3_CK_EDH_RSA_DES_64_CBC_SHA SSL3_CK_DHE_RSA_DES_64_CBC_SHA 63 # define SSL3_CK_DHE_RSA_DES_192_CBC3_SHA 0x03000016 64 # define SSL3_CK_EDH_RSA_DES_192_CBC3_SHA SSL3_CK_DHE_RSA_DES_192_CBC3_SHA 65 66 # define SSL3_CK_ADH_RC4_40_MD5 0x03000017 67 # define SSL3_CK_ADH_RC4_128_MD5 0x03000018 68 # define SSL3_CK_ADH_DES_40_CBC_SHA 0x03000019 69 # define SSL3_CK_ADH_DES_64_CBC_SHA 0x0300001A 70 # define SSL3_CK_ADH_DES_192_CBC_SHA 0x0300001B 71 72 /* a bundle of RFC standard cipher names, generated from ssl3_ciphers[] */ 73 # define SSL3_RFC_RSA_NULL_MD5 "TLS_RSA_WITH_NULL_MD5" 74 # define SSL3_RFC_RSA_NULL_SHA "TLS_RSA_WITH_NULL_SHA" 75 # define SSL3_RFC_RSA_DES_192_CBC3_SHA "TLS_RSA_WITH_3DES_EDE_CBC_SHA" 76 # define SSL3_RFC_DHE_DSS_DES_192_CBC3_SHA "TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA" 77 # define SSL3_RFC_DHE_RSA_DES_192_CBC3_SHA "TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA" 78 # define SSL3_RFC_ADH_DES_192_CBC_SHA "TLS_DH_anon_WITH_3DES_EDE_CBC_SHA" 79 # define SSL3_RFC_RSA_IDEA_128_SHA "TLS_RSA_WITH_IDEA_CBC_SHA" 80 # define SSL3_RFC_RSA_RC4_128_MD5 "TLS_RSA_WITH_RC4_128_MD5" 81 # define SSL3_RFC_RSA_RC4_128_SHA "TLS_RSA_WITH_RC4_128_SHA" 82 # define SSL3_RFC_ADH_RC4_128_MD5 "TLS_DH_anon_WITH_RC4_128_MD5" 83 84 # define SSL3_TXT_RSA_NULL_MD5 "NULL-MD5" 85 # define SSL3_TXT_RSA_NULL_SHA "NULL-SHA" 86 # define SSL3_TXT_RSA_RC4_40_MD5 "EXP-RC4-MD5" 87 # define SSL3_TXT_RSA_RC4_128_MD5 "RC4-MD5" 88 # define SSL3_TXT_RSA_RC4_128_SHA "RC4-SHA" 89 # define SSL3_TXT_RSA_RC2_40_MD5 "EXP-RC2-CBC-MD5" 90 # define SSL3_TXT_RSA_IDEA_128_SHA "IDEA-CBC-SHA" 91 # define SSL3_TXT_RSA_DES_40_CBC_SHA "EXP-DES-CBC-SHA" 92 # define SSL3_TXT_RSA_DES_64_CBC_SHA "DES-CBC-SHA" 93 # define SSL3_TXT_RSA_DES_192_CBC3_SHA "DES-CBC3-SHA" 94 95 # define SSL3_TXT_DH_DSS_DES_40_CBC_SHA "EXP-DH-DSS-DES-CBC-SHA" 96 # define SSL3_TXT_DH_DSS_DES_64_CBC_SHA "DH-DSS-DES-CBC-SHA" 97 # define SSL3_TXT_DH_DSS_DES_192_CBC3_SHA "DH-DSS-DES-CBC3-SHA" 98 # define SSL3_TXT_DH_RSA_DES_40_CBC_SHA "EXP-DH-RSA-DES-CBC-SHA" 99 # define SSL3_TXT_DH_RSA_DES_64_CBC_SHA "DH-RSA-DES-CBC-SHA" 100 # define SSL3_TXT_DH_RSA_DES_192_CBC3_SHA "DH-RSA-DES-CBC3-SHA" 101 102 # define SSL3_TXT_DHE_DSS_DES_40_CBC_SHA "EXP-DHE-DSS-DES-CBC-SHA" 103 # define SSL3_TXT_DHE_DSS_DES_64_CBC_SHA "DHE-DSS-DES-CBC-SHA" 104 # define SSL3_TXT_DHE_DSS_DES_192_CBC3_SHA "DHE-DSS-DES-CBC3-SHA" 105 # define SSL3_TXT_DHE_RSA_DES_40_CBC_SHA "EXP-DHE-RSA-DES-CBC-SHA" 106 # define SSL3_TXT_DHE_RSA_DES_64_CBC_SHA "DHE-RSA-DES-CBC-SHA" 107 # define SSL3_TXT_DHE_RSA_DES_192_CBC3_SHA "DHE-RSA-DES-CBC3-SHA" 108 109 /* 110 * This next block of six "EDH" labels is for backward compatibility with 111 * older versions of OpenSSL. New code should use the six "DHE" labels above 112 * instead: 113 */ 114 # define SSL3_TXT_EDH_DSS_DES_40_CBC_SHA "EXP-EDH-DSS-DES-CBC-SHA" 115 # define SSL3_TXT_EDH_DSS_DES_64_CBC_SHA "EDH-DSS-DES-CBC-SHA" 116 # define SSL3_TXT_EDH_DSS_DES_192_CBC3_SHA "EDH-DSS-DES-CBC3-SHA" 117 # define SSL3_TXT_EDH_RSA_DES_40_CBC_SHA "EXP-EDH-RSA-DES-CBC-SHA" 118 # define SSL3_TXT_EDH_RSA_DES_64_CBC_SHA "EDH-RSA-DES-CBC-SHA" 119 # define SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA "EDH-RSA-DES-CBC3-SHA" 120 121 # define SSL3_TXT_ADH_RC4_40_MD5 "EXP-ADH-RC4-MD5" 122 # define SSL3_TXT_ADH_RC4_128_MD5 "ADH-RC4-MD5" 123 # define SSL3_TXT_ADH_DES_40_CBC_SHA "EXP-ADH-DES-CBC-SHA" 124 # define SSL3_TXT_ADH_DES_64_CBC_SHA "ADH-DES-CBC-SHA" 125 # define SSL3_TXT_ADH_DES_192_CBC_SHA "ADH-DES-CBC3-SHA" 126 127 # define SSL3_SSL_SESSION_ID_LENGTH 32 128 # define SSL3_MAX_SSL_SESSION_ID_LENGTH 32 129 130 # define SSL3_MASTER_SECRET_SIZE 48 131 # define SSL3_RANDOM_SIZE 32 132 # define SSL3_SESSION_ID_SIZE 32 133 # define SSL3_RT_HEADER_LENGTH 5 134 135 # define SSL3_HM_HEADER_LENGTH 4 136 137 # ifndef SSL3_ALIGN_PAYLOAD 138 /* 139 * Some will argue that this increases memory footprint, but it's not 140 * actually true. Point is that malloc has to return at least 64-bit aligned 141 * pointers, meaning that allocating 5 bytes wastes 3 bytes in either case. 142 * Suggested pre-gaping simply moves these wasted bytes from the end of 143 * allocated region to its front, but makes data payload aligned, which 144 * improves performance:-) 145 */ 146 # define SSL3_ALIGN_PAYLOAD 8 147 # else 148 # if (SSL3_ALIGN_PAYLOAD&(SSL3_ALIGN_PAYLOAD-1))!=0 149 # error "insane SSL3_ALIGN_PAYLOAD" 150 # undef SSL3_ALIGN_PAYLOAD 151 # endif 152 # endif 153 154 /* 155 * This is the maximum MAC (digest) size used by the SSL library. Currently 156 * maximum of 20 is used by SHA1, but we reserve for future extension for 157 * 512-bit hashes. 158 */ 159 160 # define SSL3_RT_MAX_MD_SIZE 64 161 162 /* 163 * Maximum block size used in all ciphersuites. Currently 16 for AES. 164 */ 165 166 # define SSL_RT_MAX_CIPHER_BLOCK_SIZE 16 167 168 # define SSL3_RT_MAX_EXTRA (16384) 169 170 /* Maximum plaintext length: defined by SSL/TLS standards */ 171 # define SSL3_RT_MAX_PLAIN_LENGTH 16384 172 /* Maximum compression overhead: defined by SSL/TLS standards */ 173 # define SSL3_RT_MAX_COMPRESSED_OVERHEAD 1024 174 175 /* 176 * The standards give a maximum encryption overhead of 1024 bytes. In 177 * practice the value is lower than this. The overhead is the maximum number 178 * of padding bytes (256) plus the mac size. 179 */ 180 # define SSL3_RT_MAX_ENCRYPTED_OVERHEAD (256 + SSL3_RT_MAX_MD_SIZE) 181 # define SSL3_RT_MAX_TLS13_ENCRYPTED_OVERHEAD 256 182 183 /* 184 * OpenSSL currently only uses a padding length of at most one block so the 185 * send overhead is smaller. 186 */ 187 188 # define SSL3_RT_SEND_MAX_ENCRYPTED_OVERHEAD \ 189 (SSL_RT_MAX_CIPHER_BLOCK_SIZE + SSL3_RT_MAX_MD_SIZE) 190 191 /* If compression isn't used don't include the compression overhead */ 192 193 # ifdef OPENSSL_NO_COMP 194 # define SSL3_RT_MAX_COMPRESSED_LENGTH SSL3_RT_MAX_PLAIN_LENGTH 195 # else 196 # define SSL3_RT_MAX_COMPRESSED_LENGTH \ 197 (SSL3_RT_MAX_PLAIN_LENGTH+SSL3_RT_MAX_COMPRESSED_OVERHEAD) 198 # endif 199 # define SSL3_RT_MAX_ENCRYPTED_LENGTH \ 200 (SSL3_RT_MAX_ENCRYPTED_OVERHEAD+SSL3_RT_MAX_COMPRESSED_LENGTH) 201 # define SSL3_RT_MAX_TLS13_ENCRYPTED_LENGTH \ 202 (SSL3_RT_MAX_PLAIN_LENGTH + SSL3_RT_MAX_TLS13_ENCRYPTED_OVERHEAD) 203 # define SSL3_RT_MAX_PACKET_SIZE \ 204 (SSL3_RT_MAX_ENCRYPTED_LENGTH+SSL3_RT_HEADER_LENGTH) 205 206 # define SSL3_MD_CLIENT_FINISHED_CONST "\x43\x4C\x4E\x54" 207 # define SSL3_MD_SERVER_FINISHED_CONST "\x53\x52\x56\x52" 208 209 # define SSL3_VERSION 0x0300 210 # define SSL3_VERSION_MAJOR 0x03 211 # define SSL3_VERSION_MINOR 0x00 212 213 # define SSL3_RT_CHANGE_CIPHER_SPEC 20 214 # define SSL3_RT_ALERT 21 215 # define SSL3_RT_HANDSHAKE 22 216 # define SSL3_RT_APPLICATION_DATA 23 217 # define DTLS1_RT_HEARTBEAT 24 218 219 /* Pseudo content types to indicate additional parameters */ 220 # define TLS1_RT_CRYPTO 0x1000 221 # define TLS1_RT_CRYPTO_PREMASTER (TLS1_RT_CRYPTO | 0x1) 222 # define TLS1_RT_CRYPTO_CLIENT_RANDOM (TLS1_RT_CRYPTO | 0x2) 223 # define TLS1_RT_CRYPTO_SERVER_RANDOM (TLS1_RT_CRYPTO | 0x3) 224 # define TLS1_RT_CRYPTO_MASTER (TLS1_RT_CRYPTO | 0x4) 225 226 # define TLS1_RT_CRYPTO_READ 0x0000 227 # define TLS1_RT_CRYPTO_WRITE 0x0100 228 # define TLS1_RT_CRYPTO_MAC (TLS1_RT_CRYPTO | 0x5) 229 # define TLS1_RT_CRYPTO_KEY (TLS1_RT_CRYPTO | 0x6) 230 # define TLS1_RT_CRYPTO_IV (TLS1_RT_CRYPTO | 0x7) 231 # define TLS1_RT_CRYPTO_FIXED_IV (TLS1_RT_CRYPTO | 0x8) 232 233 /* Pseudo content types for SSL/TLS header info */ 234 # define SSL3_RT_HEADER 0x100 235 # define SSL3_RT_INNER_CONTENT_TYPE 0x101 236 237 # define SSL3_AL_WARNING 1 238 # define SSL3_AL_FATAL 2 239 240 # define SSL3_AD_CLOSE_NOTIFY 0 241 # define SSL3_AD_UNEXPECTED_MESSAGE 10/* fatal */ 242 # define SSL3_AD_BAD_RECORD_MAC 20/* fatal */ 243 # define SSL3_AD_DECOMPRESSION_FAILURE 30/* fatal */ 244 # define SSL3_AD_HANDSHAKE_FAILURE 40/* fatal */ 245 # define SSL3_AD_NO_CERTIFICATE 41 246 # define SSL3_AD_BAD_CERTIFICATE 42 247 # define SSL3_AD_UNSUPPORTED_CERTIFICATE 43 248 # define SSL3_AD_CERTIFICATE_REVOKED 44 249 # define SSL3_AD_CERTIFICATE_EXPIRED 45 250 # define SSL3_AD_CERTIFICATE_UNKNOWN 46 251 # define SSL3_AD_ILLEGAL_PARAMETER 47/* fatal */ 252 253 # define TLS1_HB_REQUEST 1 254 # define TLS1_HB_RESPONSE 2 255 256 257 # define SSL3_CT_RSA_SIGN 1 258 # define SSL3_CT_DSS_SIGN 2 259 # define SSL3_CT_RSA_FIXED_DH 3 260 # define SSL3_CT_DSS_FIXED_DH 4 261 # define SSL3_CT_RSA_EPHEMERAL_DH 5 262 # define SSL3_CT_DSS_EPHEMERAL_DH 6 263 # define SSL3_CT_FORTEZZA_DMS 20 264 /* 265 * SSL3_CT_NUMBER is used to size arrays and it must be large enough to 266 * contain all of the cert types defined for *either* SSLv3 and TLSv1. 267 */ 268 # define SSL3_CT_NUMBER 10 269 270 # if defined(TLS_CT_NUMBER) 271 # if TLS_CT_NUMBER != SSL3_CT_NUMBER 272 # error "SSL/TLS CT_NUMBER values do not match" 273 # endif 274 # endif 275 276 /* No longer used as of OpenSSL 1.1.1 */ 277 # define SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS 0x0001 278 279 /* Removed from OpenSSL 1.1.0 */ 280 # define TLS1_FLAGS_TLS_PADDING_BUG 0x0 281 282 # define TLS1_FLAGS_SKIP_CERT_VERIFY 0x0010 283 284 /* Set if we encrypt then mac instead of usual mac then encrypt */ 285 # define TLS1_FLAGS_ENCRYPT_THEN_MAC_READ 0x0100 286 # define TLS1_FLAGS_ENCRYPT_THEN_MAC TLS1_FLAGS_ENCRYPT_THEN_MAC_READ 287 288 /* Set if extended master secret extension received from peer */ 289 # define TLS1_FLAGS_RECEIVED_EXTMS 0x0200 290 291 # define TLS1_FLAGS_ENCRYPT_THEN_MAC_WRITE 0x0400 292 293 # define TLS1_FLAGS_STATELESS 0x0800 294 295 /* Set if extended master secret extension required on renegotiation */ 296 # define TLS1_FLAGS_REQUIRED_EXTMS 0x1000 297 298 # define SSL3_MT_HELLO_REQUEST 0 299 # define SSL3_MT_CLIENT_HELLO 1 300 # define SSL3_MT_SERVER_HELLO 2 301 # define SSL3_MT_NEWSESSION_TICKET 4 302 # define SSL3_MT_END_OF_EARLY_DATA 5 303 # define SSL3_MT_ENCRYPTED_EXTENSIONS 8 304 # define SSL3_MT_CERTIFICATE 11 305 # define SSL3_MT_SERVER_KEY_EXCHANGE 12 306 # define SSL3_MT_CERTIFICATE_REQUEST 13 307 # define SSL3_MT_SERVER_DONE 14 308 # define SSL3_MT_CERTIFICATE_VERIFY 15 309 # define SSL3_MT_CLIENT_KEY_EXCHANGE 16 310 # define SSL3_MT_FINISHED 20 311 # define SSL3_MT_CERTIFICATE_URL 21 312 # define SSL3_MT_CERTIFICATE_STATUS 22 313 # define SSL3_MT_SUPPLEMENTAL_DATA 23 314 # define SSL3_MT_KEY_UPDATE 24 315 # ifndef OPENSSL_NO_NEXTPROTONEG 316 # define SSL3_MT_NEXT_PROTO 67 317 # endif 318 # define SSL3_MT_MESSAGE_HASH 254 319 # define DTLS1_MT_HELLO_VERIFY_REQUEST 3 320 321 /* Dummy message type for handling CCS like a normal handshake message */ 322 # define SSL3_MT_CHANGE_CIPHER_SPEC 0x0101 323 324 # define SSL3_MT_CCS 1 325 326 /* These are used when changing over to a new cipher */ 327 # define SSL3_CC_READ 0x001 328 # define SSL3_CC_WRITE 0x002 329 # define SSL3_CC_CLIENT 0x010 330 # define SSL3_CC_SERVER 0x020 331 # define SSL3_CC_EARLY 0x040 332 # define SSL3_CC_HANDSHAKE 0x080 333 # define SSL3_CC_APPLICATION 0x100 334 # define SSL3_CHANGE_CIPHER_CLIENT_WRITE (SSL3_CC_CLIENT|SSL3_CC_WRITE) 335 # define SSL3_CHANGE_CIPHER_SERVER_READ (SSL3_CC_SERVER|SSL3_CC_READ) 336 # define SSL3_CHANGE_CIPHER_CLIENT_READ (SSL3_CC_CLIENT|SSL3_CC_READ) 337 # define SSL3_CHANGE_CIPHER_SERVER_WRITE (SSL3_CC_SERVER|SSL3_CC_WRITE) 338 339 #ifdef __cplusplus 340 } 341 #endif 342 #endif 343