1 /* Copyright (C) 1995-1998 Eric Young ([email protected]) 2 * All rights reserved. 3 * 4 * This package is an SSL implementation written 5 * by Eric Young ([email protected]). 6 * The implementation was written so as to conform with Netscapes SSL. 7 * 8 * This library is free for commercial and non-commercial use as long as 9 * the following conditions are aheared to. The following conditions 10 * apply to all code found in this distribution, be it the RC4, RSA, 11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 12 * included with this distribution is covered by the same copyright terms 13 * except that the holder is Tim Hudson ([email protected]). 14 * 15 * Copyright remains Eric Young's, and as such any Copyright notices in 16 * the code are not to be removed. 17 * If this package is used in a product, Eric Young should be given attribution 18 * as the author of the parts of the library used. 19 * This can be in the form of a textual message at program startup or 20 * in documentation (online or textual) provided with the package. 21 * 22 * Redistribution and use in source and binary forms, with or without 23 * modification, are permitted provided that the following conditions 24 * are met: 25 * 1. Redistributions of source code must retain the copyright 26 * notice, this list of conditions and the following disclaimer. 27 * 2. Redistributions in binary form must reproduce the above copyright 28 * notice, this list of conditions and the following disclaimer in the 29 * documentation and/or other materials provided with the distribution. 30 * 3. All advertising materials mentioning features or use of this software 31 * must display the following acknowledgement: 32 * "This product includes cryptographic software written by 33 * Eric Young ([email protected])" 34 * The word 'cryptographic' can be left out if the rouines from the library 35 * being used are not cryptographic related :-). 36 * 4. If you include any Windows specific code (or a derivative thereof) from 37 * the apps directory (application code) you must include an acknowledgement: 38 * "This product includes software written by Tim Hudson ([email protected])" 39 * 40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 50 * SUCH DAMAGE. 51 * 52 * The licence and distribution terms for any publically available version or 53 * derivative of this code cannot be changed. i.e. this code cannot simply be 54 * copied and put under another distribution licence 55 * [including the GNU Public Licence.] 56 */ 57 /* ==================================================================== 58 * Copyright (c) 1998-2002 The OpenSSL Project. All rights reserved. 59 * 60 * Redistribution and use in source and binary forms, with or without 61 * modification, are permitted provided that the following conditions 62 * are met: 63 * 64 * 1. Redistributions of source code must retain the above copyright 65 * notice, this list of conditions and the following disclaimer. 66 * 67 * 2. Redistributions in binary form must reproduce the above copyright 68 * notice, this list of conditions and the following disclaimer in 69 * the documentation and/or other materials provided with the 70 * distribution. 71 * 72 * 3. All advertising materials mentioning features or use of this 73 * software must display the following acknowledgment: 74 * "This product includes software developed by the OpenSSL Project 75 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" 76 * 77 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 78 * endorse or promote products derived from this software without 79 * prior written permission. For written permission, please contact 80 * [email protected]. 81 * 82 * 5. Products derived from this software may not be called "OpenSSL" 83 * nor may "OpenSSL" appear in their names without prior written 84 * permission of the OpenSSL Project. 85 * 86 * 6. Redistributions of any form whatsoever must retain the following 87 * acknowledgment: 88 * "This product includes software developed by the OpenSSL Project 89 * for use in the OpenSSL Toolkit (http://www.openssl.org/)" 90 * 91 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 92 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 93 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 94 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 95 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 96 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 97 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 98 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 99 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 100 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 101 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 102 * OF THE POSSIBILITY OF SUCH DAMAGE. 103 * ==================================================================== 104 * 105 * This product includes cryptographic software written by Eric Young 106 * ([email protected]). This product includes software written by Tim 107 * Hudson ([email protected]). 108 * 109 */ 110 /* ==================================================================== 111 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. 112 * ECC cipher suite support in OpenSSL originally developed by 113 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. 114 */ 115 116 #ifndef OPENSSL_HEADER_SSL3_H 117 #define OPENSSL_HEADER_SSL3_H 118 119 #include <openssl/aead.h> 120 121 #ifdef __cplusplus 122 extern "C" { 123 #endif 124 125 126 // These are kept to support clients that negotiates higher protocol versions 127 // using SSLv2 client hello records. 128 #define SSL2_MT_CLIENT_HELLO 1 129 #define SSL2_VERSION 0x0002 130 131 // Signalling cipher suite value from RFC 5746. 132 #define SSL3_CK_SCSV 0x030000FF 133 // Fallback signalling cipher suite value from RFC 7507. 134 #define SSL3_CK_FALLBACK_SCSV 0x03005600 135 136 #define SSL3_CK_RSA_NULL_MD5 0x03000001 137 #define SSL3_CK_RSA_NULL_SHA 0x03000002 138 #define SSL3_CK_RSA_RC4_40_MD5 0x03000003 139 #define SSL3_CK_RSA_RC4_128_MD5 0x03000004 140 #define SSL3_CK_RSA_RC4_128_SHA 0x03000005 141 #define SSL3_CK_RSA_RC2_40_MD5 0x03000006 142 #define SSL3_CK_RSA_IDEA_128_SHA 0x03000007 143 #define SSL3_CK_RSA_DES_40_CBC_SHA 0x03000008 144 #define SSL3_CK_RSA_DES_64_CBC_SHA 0x03000009 145 #define SSL3_CK_RSA_DES_192_CBC3_SHA 0x0300000A 146 147 #define SSL3_CK_DH_DSS_DES_40_CBC_SHA 0x0300000B 148 #define SSL3_CK_DH_DSS_DES_64_CBC_SHA 0x0300000C 149 #define SSL3_CK_DH_DSS_DES_192_CBC3_SHA 0x0300000D 150 #define SSL3_CK_DH_RSA_DES_40_CBC_SHA 0x0300000E 151 #define SSL3_CK_DH_RSA_DES_64_CBC_SHA 0x0300000F 152 #define SSL3_CK_DH_RSA_DES_192_CBC3_SHA 0x03000010 153 154 #define SSL3_CK_EDH_DSS_DES_40_CBC_SHA 0x03000011 155 #define SSL3_CK_EDH_DSS_DES_64_CBC_SHA 0x03000012 156 #define SSL3_CK_EDH_DSS_DES_192_CBC3_SHA 0x03000013 157 #define SSL3_CK_EDH_RSA_DES_40_CBC_SHA 0x03000014 158 #define SSL3_CK_EDH_RSA_DES_64_CBC_SHA 0x03000015 159 #define SSL3_CK_EDH_RSA_DES_192_CBC3_SHA 0x03000016 160 161 #define SSL3_CK_ADH_RC4_40_MD5 0x03000017 162 #define SSL3_CK_ADH_RC4_128_MD5 0x03000018 163 #define SSL3_CK_ADH_DES_40_CBC_SHA 0x03000019 164 #define SSL3_CK_ADH_DES_64_CBC_SHA 0x0300001A 165 #define SSL3_CK_ADH_DES_192_CBC_SHA 0x0300001B 166 167 #define SSL3_TXT_RSA_NULL_MD5 "NULL-MD5" 168 #define SSL3_TXT_RSA_NULL_SHA "NULL-SHA" 169 #define SSL3_TXT_RSA_RC4_40_MD5 "EXP-RC4-MD5" 170 #define SSL3_TXT_RSA_RC4_128_MD5 "RC4-MD5" 171 #define SSL3_TXT_RSA_RC4_128_SHA "RC4-SHA" 172 #define SSL3_TXT_RSA_RC2_40_MD5 "EXP-RC2-CBC-MD5" 173 #define SSL3_TXT_RSA_IDEA_128_SHA "IDEA-CBC-SHA" 174 #define SSL3_TXT_RSA_DES_40_CBC_SHA "EXP-DES-CBC-SHA" 175 #define SSL3_TXT_RSA_DES_64_CBC_SHA "DES-CBC-SHA" 176 #define SSL3_TXT_RSA_DES_192_CBC3_SHA "DES-CBC3-SHA" 177 178 #define SSL3_TXT_DH_DSS_DES_40_CBC_SHA "EXP-DH-DSS-DES-CBC-SHA" 179 #define SSL3_TXT_DH_DSS_DES_64_CBC_SHA "DH-DSS-DES-CBC-SHA" 180 #define SSL3_TXT_DH_DSS_DES_192_CBC3_SHA "DH-DSS-DES-CBC3-SHA" 181 #define SSL3_TXT_DH_RSA_DES_40_CBC_SHA "EXP-DH-RSA-DES-CBC-SHA" 182 #define SSL3_TXT_DH_RSA_DES_64_CBC_SHA "DH-RSA-DES-CBC-SHA" 183 #define SSL3_TXT_DH_RSA_DES_192_CBC3_SHA "DH-RSA-DES-CBC3-SHA" 184 185 #define SSL3_TXT_EDH_DSS_DES_40_CBC_SHA "EXP-EDH-DSS-DES-CBC-SHA" 186 #define SSL3_TXT_EDH_DSS_DES_64_CBC_SHA "EDH-DSS-DES-CBC-SHA" 187 #define SSL3_TXT_EDH_DSS_DES_192_CBC3_SHA "EDH-DSS-DES-CBC3-SHA" 188 #define SSL3_TXT_EDH_RSA_DES_40_CBC_SHA "EXP-EDH-RSA-DES-CBC-SHA" 189 #define SSL3_TXT_EDH_RSA_DES_64_CBC_SHA "EDH-RSA-DES-CBC-SHA" 190 #define SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA "EDH-RSA-DES-CBC3-SHA" 191 192 #define SSL3_TXT_ADH_RC4_40_MD5 "EXP-ADH-RC4-MD5" 193 #define SSL3_TXT_ADH_RC4_128_MD5 "ADH-RC4-MD5" 194 #define SSL3_TXT_ADH_DES_40_CBC_SHA "EXP-ADH-DES-CBC-SHA" 195 #define SSL3_TXT_ADH_DES_64_CBC_SHA "ADH-DES-CBC-SHA" 196 #define SSL3_TXT_ADH_DES_192_CBC_SHA "ADH-DES-CBC3-SHA" 197 198 #define SSL3_SSL_SESSION_ID_LENGTH 32 199 #define SSL3_MAX_SSL_SESSION_ID_LENGTH 32 200 201 #define SSL3_MASTER_SECRET_SIZE 48 202 #define SSL3_RANDOM_SIZE 32 203 #define SSL3_SESSION_ID_SIZE 32 204 #define SSL3_RT_HEADER_LENGTH 5 205 206 #define SSL3_HM_HEADER_LENGTH 4 207 208 #ifndef SSL3_ALIGN_PAYLOAD 209 // Some will argue that this increases memory footprint, but it's not actually 210 // true. Point is that malloc has to return at least 64-bit aligned pointers, 211 // meaning that allocating 5 bytes wastes 3 bytes in either case. Suggested 212 // pre-gaping simply moves these wasted bytes from the end of allocated region 213 // to its front, but makes data payload aligned, which improves performance. 214 #define SSL3_ALIGN_PAYLOAD 8 215 #else 216 #if (SSL3_ALIGN_PAYLOAD & (SSL3_ALIGN_PAYLOAD - 1)) != 0 217 #error "insane SSL3_ALIGN_PAYLOAD" 218 #undef SSL3_ALIGN_PAYLOAD 219 #endif 220 #endif 221 222 // This is the maximum MAC (digest) size used by the SSL library. Currently 223 // maximum of 20 is used by SHA1, but we reserve for future extension for 224 // 512-bit hashes. 225 226 #define SSL3_RT_MAX_MD_SIZE 64 227 228 // Maximum block size used in all ciphersuites. Currently 16 for AES. 229 230 #define SSL_RT_MAX_CIPHER_BLOCK_SIZE 16 231 232 // Maximum plaintext length: defined by SSL/TLS standards 233 #define SSL3_RT_MAX_PLAIN_LENGTH 16384 234 // Maximum compression overhead: defined by SSL/TLS standards 235 #define SSL3_RT_MAX_COMPRESSED_OVERHEAD 1024 236 237 // The standards give a maximum encryption overhead of 1024 bytes. In practice 238 // the value is lower than this. The overhead is the maximum number of padding 239 // bytes (256) plus the mac size. 240 // 241 // TODO(davidben): This derivation doesn't take AEADs into account, or TLS 1.1 242 // explicit nonces. It happens to work because |SSL3_RT_MAX_MD_SIZE| is larger 243 // than necessary and no true AEAD has variable overhead in TLS 1.2. 244 #define SSL3_RT_MAX_ENCRYPTED_OVERHEAD (256 + SSL3_RT_MAX_MD_SIZE) 245 246 // SSL3_RT_SEND_MAX_ENCRYPTED_OVERHEAD is the maximum overhead in encrypting a 247 // record. This does not include the record header. Some ciphers use explicit 248 // nonces, so it includes both the AEAD overhead as well as the nonce. 249 #define SSL3_RT_SEND_MAX_ENCRYPTED_OVERHEAD \ 250 (EVP_AEAD_MAX_OVERHEAD + EVP_AEAD_MAX_NONCE_LENGTH) 251 252 // SSL3_RT_MAX_COMPRESSED_LENGTH is an alias for 253 // |SSL3_RT_MAX_PLAIN_LENGTH|. Compression is gone, so don't include the 254 // compression overhead. 255 #define SSL3_RT_MAX_COMPRESSED_LENGTH SSL3_RT_MAX_PLAIN_LENGTH 256 257 #define SSL3_RT_MAX_ENCRYPTED_LENGTH \ 258 (SSL3_RT_MAX_ENCRYPTED_OVERHEAD + SSL3_RT_MAX_COMPRESSED_LENGTH) 259 #define SSL3_RT_MAX_PACKET_SIZE \ 260 (SSL3_RT_MAX_ENCRYPTED_LENGTH + SSL3_RT_HEADER_LENGTH) 261 262 #define SSL3_MD_CLIENT_FINISHED_CONST "\x43\x4C\x4E\x54" 263 #define SSL3_MD_SERVER_FINISHED_CONST "\x53\x52\x56\x52" 264 265 #define SSL3_RT_CHANGE_CIPHER_SPEC 20 266 #define SSL3_RT_ALERT 21 267 #define SSL3_RT_HANDSHAKE 22 268 #define SSL3_RT_APPLICATION_DATA 23 269 270 // Pseudo content type for SSL/TLS header info 271 #define SSL3_RT_HEADER 0x100 272 #define SSL3_RT_CLIENT_HELLO_INNER 0x101 273 274 #define SSL3_AL_WARNING 1 275 #define SSL3_AL_FATAL 2 276 277 #define SSL3_AD_CLOSE_NOTIFY 0 278 #define SSL3_AD_UNEXPECTED_MESSAGE 10 // fatal 279 #define SSL3_AD_BAD_RECORD_MAC 20 // fatal 280 #define SSL3_AD_DECOMPRESSION_FAILURE 30 // fatal 281 #define SSL3_AD_HANDSHAKE_FAILURE 40 // fatal 282 #define SSL3_AD_NO_CERTIFICATE 41 283 #define SSL3_AD_BAD_CERTIFICATE 42 284 #define SSL3_AD_UNSUPPORTED_CERTIFICATE 43 285 #define SSL3_AD_CERTIFICATE_REVOKED 44 286 #define SSL3_AD_CERTIFICATE_EXPIRED 45 287 #define SSL3_AD_CERTIFICATE_UNKNOWN 46 288 #define SSL3_AD_ILLEGAL_PARAMETER 47 // fatal 289 #define SSL3_AD_INAPPROPRIATE_FALLBACK 86 // fatal 290 291 #define SSL3_CT_RSA_SIGN 1 292 293 #define SSL3_MT_HELLO_REQUEST 0 294 #define SSL3_MT_CLIENT_HELLO 1 295 #define SSL3_MT_SERVER_HELLO 2 296 #define SSL3_MT_NEW_SESSION_TICKET 4 297 #define SSL3_MT_END_OF_EARLY_DATA 5 298 #define SSL3_MT_ENCRYPTED_EXTENSIONS 8 299 #define SSL3_MT_CERTIFICATE 11 300 #define SSL3_MT_SERVER_KEY_EXCHANGE 12 301 #define SSL3_MT_CERTIFICATE_REQUEST 13 302 #define SSL3_MT_SERVER_HELLO_DONE 14 303 #define SSL3_MT_CERTIFICATE_VERIFY 15 304 #define SSL3_MT_CLIENT_KEY_EXCHANGE 16 305 #define SSL3_MT_FINISHED 20 306 #define SSL3_MT_CERTIFICATE_STATUS 22 307 #define SSL3_MT_SUPPLEMENTAL_DATA 23 308 #define SSL3_MT_KEY_UPDATE 24 309 #define SSL3_MT_COMPRESSED_CERTIFICATE 25 310 #define SSL3_MT_NEXT_PROTO 67 311 #define SSL3_MT_CHANNEL_ID 203 312 #define SSL3_MT_MESSAGE_HASH 254 313 #define DTLS1_MT_HELLO_VERIFY_REQUEST 3 314 315 // The following are legacy aliases for consumers which use 316 // |SSL_CTX_set_msg_callback|. 317 #define SSL3_MT_SERVER_DONE SSL3_MT_SERVER_HELLO_DONE 318 #define SSL3_MT_NEWSESSION_TICKET SSL3_MT_NEW_SESSION_TICKET 319 320 321 #define SSL3_MT_CCS 1 322 323 324 #ifdef __cplusplus 325 } // extern C 326 #endif 327 328 #endif // OPENSSL_HEADER_SSL3_H 329