ssl3.h (8609B)
1 // Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. 2 // Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved. 3 // 4 // Licensed under the Apache License, Version 2.0 (the "License"); 5 // you may not use this file except in compliance with the License. 6 // You may obtain a copy of the License at 7 // 8 // https://www.apache.org/licenses/LICENSE-2.0 9 // 10 // Unless required by applicable law or agreed to in writing, software 11 // distributed under the License is distributed on an "AS IS" BASIS, 12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 // See the License for the specific language governing permissions and 14 // limitations under the License. 15 16 #ifndef OPENSSL_HEADER_SSL3_H 17 #define OPENSSL_HEADER_SSL3_H 18 19 #include <openssl/aead.h> 20 21 #ifdef __cplusplus 22 extern "C" { 23 #endif 24 25 26 // These are kept to support clients that negotiates higher protocol versions 27 // using SSLv2 client hello records. 28 #define SSL2_MT_CLIENT_HELLO 1 29 #define SSL2_VERSION 0x0002 30 31 // Signalling cipher suite value from RFC 5746. 32 #define SSL3_CK_SCSV 0x030000FF 33 // Fallback signalling cipher suite value from RFC 7507. 34 #define SSL3_CK_FALLBACK_SCSV 0x03005600 35 36 #define SSL3_CK_RSA_NULL_MD5 0x03000001 37 #define SSL3_CK_RSA_NULL_SHA 0x03000002 38 #define SSL3_CK_RSA_RC4_40_MD5 0x03000003 39 #define SSL3_CK_RSA_RC4_128_MD5 0x03000004 40 #define SSL3_CK_RSA_RC4_128_SHA 0x03000005 41 #define SSL3_CK_RSA_RC2_40_MD5 0x03000006 42 #define SSL3_CK_RSA_IDEA_128_SHA 0x03000007 43 #define SSL3_CK_RSA_DES_40_CBC_SHA 0x03000008 44 #define SSL3_CK_RSA_DES_64_CBC_SHA 0x03000009 45 #define SSL3_CK_RSA_DES_192_CBC3_SHA 0x0300000A 46 47 #define SSL3_CK_DH_DSS_DES_40_CBC_SHA 0x0300000B 48 #define SSL3_CK_DH_DSS_DES_64_CBC_SHA 0x0300000C 49 #define SSL3_CK_DH_DSS_DES_192_CBC3_SHA 0x0300000D 50 #define SSL3_CK_DH_RSA_DES_40_CBC_SHA 0x0300000E 51 #define SSL3_CK_DH_RSA_DES_64_CBC_SHA 0x0300000F 52 #define SSL3_CK_DH_RSA_DES_192_CBC3_SHA 0x03000010 53 54 #define SSL3_CK_EDH_DSS_DES_40_CBC_SHA 0x03000011 55 #define SSL3_CK_EDH_DSS_DES_64_CBC_SHA 0x03000012 56 #define SSL3_CK_EDH_DSS_DES_192_CBC3_SHA 0x03000013 57 #define SSL3_CK_EDH_RSA_DES_40_CBC_SHA 0x03000014 58 #define SSL3_CK_EDH_RSA_DES_64_CBC_SHA 0x03000015 59 #define SSL3_CK_EDH_RSA_DES_192_CBC3_SHA 0x03000016 60 61 #define SSL3_CK_ADH_RC4_40_MD5 0x03000017 62 #define SSL3_CK_ADH_RC4_128_MD5 0x03000018 63 #define SSL3_CK_ADH_DES_40_CBC_SHA 0x03000019 64 #define SSL3_CK_ADH_DES_64_CBC_SHA 0x0300001A 65 #define SSL3_CK_ADH_DES_192_CBC_SHA 0x0300001B 66 67 #define SSL3_TXT_RSA_NULL_MD5 "NULL-MD5" 68 #define SSL3_TXT_RSA_NULL_SHA "NULL-SHA" 69 #define SSL3_TXT_RSA_RC4_40_MD5 "EXP-RC4-MD5" 70 #define SSL3_TXT_RSA_RC4_128_MD5 "RC4-MD5" 71 #define SSL3_TXT_RSA_RC4_128_SHA "RC4-SHA" 72 #define SSL3_TXT_RSA_RC2_40_MD5 "EXP-RC2-CBC-MD5" 73 #define SSL3_TXT_RSA_IDEA_128_SHA "IDEA-CBC-SHA" 74 #define SSL3_TXT_RSA_DES_40_CBC_SHA "EXP-DES-CBC-SHA" 75 #define SSL3_TXT_RSA_DES_64_CBC_SHA "DES-CBC-SHA" 76 #define SSL3_TXT_RSA_DES_192_CBC3_SHA "DES-CBC3-SHA" 77 78 #define SSL3_TXT_DH_DSS_DES_40_CBC_SHA "EXP-DH-DSS-DES-CBC-SHA" 79 #define SSL3_TXT_DH_DSS_DES_64_CBC_SHA "DH-DSS-DES-CBC-SHA" 80 #define SSL3_TXT_DH_DSS_DES_192_CBC3_SHA "DH-DSS-DES-CBC3-SHA" 81 #define SSL3_TXT_DH_RSA_DES_40_CBC_SHA "EXP-DH-RSA-DES-CBC-SHA" 82 #define SSL3_TXT_DH_RSA_DES_64_CBC_SHA "DH-RSA-DES-CBC-SHA" 83 #define SSL3_TXT_DH_RSA_DES_192_CBC3_SHA "DH-RSA-DES-CBC3-SHA" 84 85 #define SSL3_TXT_EDH_DSS_DES_40_CBC_SHA "EXP-EDH-DSS-DES-CBC-SHA" 86 #define SSL3_TXT_EDH_DSS_DES_64_CBC_SHA "EDH-DSS-DES-CBC-SHA" 87 #define SSL3_TXT_EDH_DSS_DES_192_CBC3_SHA "EDH-DSS-DES-CBC3-SHA" 88 #define SSL3_TXT_EDH_RSA_DES_40_CBC_SHA "EXP-EDH-RSA-DES-CBC-SHA" 89 #define SSL3_TXT_EDH_RSA_DES_64_CBC_SHA "EDH-RSA-DES-CBC-SHA" 90 #define SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA "EDH-RSA-DES-CBC3-SHA" 91 92 #define SSL3_TXT_ADH_RC4_40_MD5 "EXP-ADH-RC4-MD5" 93 #define SSL3_TXT_ADH_RC4_128_MD5 "ADH-RC4-MD5" 94 #define SSL3_TXT_ADH_DES_40_CBC_SHA "EXP-ADH-DES-CBC-SHA" 95 #define SSL3_TXT_ADH_DES_64_CBC_SHA "ADH-DES-CBC-SHA" 96 #define SSL3_TXT_ADH_DES_192_CBC_SHA "ADH-DES-CBC3-SHA" 97 98 #define SSL3_SSL_SESSION_ID_LENGTH 32 99 #define SSL3_MAX_SSL_SESSION_ID_LENGTH 32 100 101 #define SSL3_MASTER_SECRET_SIZE 48 102 #define SSL3_RANDOM_SIZE 32 103 #define SSL3_SESSION_ID_SIZE 32 104 #define SSL3_RT_HEADER_LENGTH 5 105 106 #define SSL3_HM_HEADER_LENGTH 4 107 108 #ifndef SSL3_ALIGN_PAYLOAD 109 // Some will argue that this increases memory footprint, but it's not actually 110 // true. Point is that malloc has to return at least 64-bit aligned pointers, 111 // meaning that allocating 5 bytes wastes 3 bytes in either case. Suggested 112 // pre-gaping simply moves these wasted bytes from the end of allocated region 113 // to its front, but makes data payload aligned, which improves performance. 114 #define SSL3_ALIGN_PAYLOAD 8 115 #else 116 #if (SSL3_ALIGN_PAYLOAD & (SSL3_ALIGN_PAYLOAD - 1)) != 0 117 #error "insane SSL3_ALIGN_PAYLOAD" 118 #undef SSL3_ALIGN_PAYLOAD 119 #endif 120 #endif 121 122 // This is the maximum MAC (digest) size used by the SSL library. Currently 123 // maximum of 20 is used by SHA1, but we reserve for future extension for 124 // 512-bit hashes. 125 126 #define SSL3_RT_MAX_MD_SIZE 64 127 128 // Maximum block size used in all ciphersuites. Currently 16 for AES. 129 130 #define SSL_RT_MAX_CIPHER_BLOCK_SIZE 16 131 132 // Maximum plaintext length: defined by SSL/TLS standards 133 #define SSL3_RT_MAX_PLAIN_LENGTH 16384 134 // Maximum compression overhead: defined by SSL/TLS standards 135 #define SSL3_RT_MAX_COMPRESSED_OVERHEAD 1024 136 137 // The standards give a maximum encryption overhead of 1024 bytes. In practice 138 // the value is lower than this. The overhead is the maximum number of padding 139 // bytes (256) plus the mac size. 140 // 141 // TODO(davidben): This derivation doesn't take AEADs into account, or TLS 1.1 142 // explicit nonces. It happens to work because |SSL3_RT_MAX_MD_SIZE| is larger 143 // than necessary and no true AEAD has variable overhead in TLS 1.2. 144 #define SSL3_RT_MAX_ENCRYPTED_OVERHEAD (256 + SSL3_RT_MAX_MD_SIZE) 145 146 // SSL3_RT_SEND_MAX_ENCRYPTED_OVERHEAD is the maximum overhead in encrypting a 147 // record. This does not include the record header. Some ciphers use explicit 148 // nonces, so it includes both the AEAD overhead as well as the nonce. 149 #define SSL3_RT_SEND_MAX_ENCRYPTED_OVERHEAD \ 150 (EVP_AEAD_MAX_OVERHEAD + EVP_AEAD_MAX_NONCE_LENGTH) 151 152 // SSL3_RT_MAX_COMPRESSED_LENGTH is an alias for 153 // |SSL3_RT_MAX_PLAIN_LENGTH|. Compression is gone, so don't include the 154 // compression overhead. 155 #define SSL3_RT_MAX_COMPRESSED_LENGTH SSL3_RT_MAX_PLAIN_LENGTH 156 157 #define SSL3_RT_MAX_ENCRYPTED_LENGTH \ 158 (SSL3_RT_MAX_ENCRYPTED_OVERHEAD + SSL3_RT_MAX_COMPRESSED_LENGTH) 159 #define SSL3_RT_MAX_PACKET_SIZE \ 160 (SSL3_RT_MAX_ENCRYPTED_LENGTH + SSL3_RT_HEADER_LENGTH) 161 162 #define SSL3_MD_CLIENT_FINISHED_CONST "\x43\x4C\x4E\x54" 163 #define SSL3_MD_SERVER_FINISHED_CONST "\x53\x52\x56\x52" 164 165 #define SSL3_RT_CHANGE_CIPHER_SPEC 20 166 #define SSL3_RT_ALERT 21 167 #define SSL3_RT_HANDSHAKE 22 168 #define SSL3_RT_APPLICATION_DATA 23 169 #define SSL3_RT_ACK 26 170 171 // Pseudo content type for SSL/TLS header info 172 #define SSL3_RT_HEADER 0x100 173 #define SSL3_RT_CLIENT_HELLO_INNER 0x101 174 175 #define SSL3_AL_WARNING 1 176 #define SSL3_AL_FATAL 2 177 178 #define SSL3_AD_CLOSE_NOTIFY 0 179 #define SSL3_AD_UNEXPECTED_MESSAGE 10 // fatal 180 #define SSL3_AD_BAD_RECORD_MAC 20 // fatal 181 #define SSL3_AD_DECOMPRESSION_FAILURE 30 // fatal 182 #define SSL3_AD_HANDSHAKE_FAILURE 40 // fatal 183 #define SSL3_AD_NO_CERTIFICATE 41 184 #define SSL3_AD_BAD_CERTIFICATE 42 185 #define SSL3_AD_UNSUPPORTED_CERTIFICATE 43 186 #define SSL3_AD_CERTIFICATE_REVOKED 44 187 #define SSL3_AD_CERTIFICATE_EXPIRED 45 188 #define SSL3_AD_CERTIFICATE_UNKNOWN 46 189 #define SSL3_AD_ILLEGAL_PARAMETER 47 // fatal 190 #define SSL3_AD_INAPPROPRIATE_FALLBACK 86 // fatal 191 192 #define SSL3_CT_RSA_SIGN 1 193 194 #define SSL3_MT_HELLO_REQUEST 0 195 #define SSL3_MT_CLIENT_HELLO 1 196 #define SSL3_MT_SERVER_HELLO 2 197 #define SSL3_MT_NEW_SESSION_TICKET 4 198 #define SSL3_MT_END_OF_EARLY_DATA 5 199 #define SSL3_MT_ENCRYPTED_EXTENSIONS 8 200 #define SSL3_MT_CERTIFICATE 11 201 #define SSL3_MT_SERVER_KEY_EXCHANGE 12 202 #define SSL3_MT_CERTIFICATE_REQUEST 13 203 #define SSL3_MT_SERVER_HELLO_DONE 14 204 #define SSL3_MT_CERTIFICATE_VERIFY 15 205 #define SSL3_MT_CLIENT_KEY_EXCHANGE 16 206 #define SSL3_MT_FINISHED 20 207 #define SSL3_MT_CERTIFICATE_STATUS 22 208 #define SSL3_MT_SUPPLEMENTAL_DATA 23 209 #define SSL3_MT_KEY_UPDATE 24 210 #define SSL3_MT_COMPRESSED_CERTIFICATE 25 211 #define SSL3_MT_NEXT_PROTO 67 212 #define SSL3_MT_CHANNEL_ID 203 213 #define SSL3_MT_MESSAGE_HASH 254 214 #define DTLS1_MT_HELLO_VERIFY_REQUEST 3 215 216 // The following are legacy aliases for consumers which use 217 // |SSL_CTX_set_msg_callback|. 218 #define SSL3_MT_SERVER_DONE SSL3_MT_SERVER_HELLO_DONE 219 #define SSL3_MT_NEWSESSION_TICKET SSL3_MT_NEW_SESSION_TICKET 220 221 222 #define SSL3_MT_CCS 1 223 224 225 #ifdef __cplusplus 226 } // extern C 227 #endif 228 229 #endif // OPENSSL_HEADER_SSL3_H