| /* ssl/ssl3.h */ |
| /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
| * All rights reserved. |
| * |
| * This package is an SSL implementation written |
| * by Eric Young (eay@cryptsoft.com). |
| * The implementation was written so as to conform with Netscapes SSL. |
| * |
| * This library is free for commercial and non-commercial use as long as |
| * the following conditions are aheared to. The following conditions |
| * apply to all code found in this distribution, be it the RC4, RSA, |
| * lhash, DES, etc., code; not just the SSL code. The SSL documentation |
| * included with this distribution is covered by the same copyright terms |
| * except that the holder is Tim Hudson (tjh@cryptsoft.com). |
| * |
| * Copyright remains Eric Young's, and as such any Copyright notices in |
| * the code are not to be removed. |
| * If this package is used in a product, Eric Young should be given attribution |
| * as the author of the parts of the library used. |
| * This can be in the form of a textual message at program startup or |
| * in documentation (online or textual) provided with the package. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. All advertising materials mentioning features or use of this software |
| * must display the following acknowledgement: |
| * "This product includes cryptographic software written by |
| * Eric Young (eay@cryptsoft.com)" |
| * The word 'cryptographic' can be left out if the rouines from the library |
| * being used are not cryptographic related :-). |
| * 4. If you include any Windows specific code (or a derivative thereof) from |
| * the apps directory (application code) you must include an acknowledgement: |
| * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
| * |
| * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * |
| * The licence and distribution terms for any publically available version or |
| * derivative of this code cannot be changed. i.e. this code cannot simply be |
| * copied and put under another distribution licence |
| * [including the GNU Public Licence.] |
| */ |
| /* ==================================================================== |
| * Copyright (c) 1998-2002 The OpenSSL Project. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. All advertising materials mentioning features or use of this |
| * software must display the following acknowledgment: |
| * "This product includes software developed by the OpenSSL Project |
| * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" |
| * |
| * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
| * endorse or promote products derived from this software without |
| * prior written permission. For written permission, please contact |
| * openssl-core@openssl.org. |
| * |
| * 5. Products derived from this software may not be called "OpenSSL" |
| * nor may "OpenSSL" appear in their names without prior written |
| * permission of the OpenSSL Project. |
| * |
| * 6. Redistributions of any form whatsoever must retain the following |
| * acknowledgment: |
| * "This product includes software developed by the OpenSSL Project |
| * for use in the OpenSSL Toolkit (http://www.openssl.org/)" |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
| * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
| * OF THE POSSIBILITY OF SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This product includes cryptographic software written by Eric Young |
| * (eay@cryptsoft.com). This product includes software written by Tim |
| * Hudson (tjh@cryptsoft.com). |
| * |
| */ |
| /* ==================================================================== |
| * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. |
| * ECC cipher suite support in OpenSSL originally developed by |
| * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. |
| */ |
| |
| #ifndef OPENSSL_HEADER_SSL3_H |
| #define OPENSSL_HEADER_SSL3_H |
| |
| #include <openssl/aead.h> |
| #include <openssl/type_check.h> |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| |
| // These are kept to support clients that negotiates higher protocol versions |
| // using SSLv2 client hello records. |
| #define SSL2_MT_CLIENT_HELLO 1 |
| #define SSL2_VERSION 0x0002 |
| |
| // Signalling cipher suite value from RFC 5746. |
| #define SSL3_CK_SCSV 0x030000FF |
| // Fallback signalling cipher suite value from RFC 7507. |
| #define SSL3_CK_FALLBACK_SCSV 0x03005600 |
| |
| #define SSL3_CK_RSA_NULL_MD5 0x03000001 |
| #define SSL3_CK_RSA_NULL_SHA 0x03000002 |
| #define SSL3_CK_RSA_RC4_40_MD5 0x03000003 |
| #define SSL3_CK_RSA_RC4_128_MD5 0x03000004 |
| #define SSL3_CK_RSA_RC4_128_SHA 0x03000005 |
| #define SSL3_CK_RSA_RC2_40_MD5 0x03000006 |
| #define SSL3_CK_RSA_IDEA_128_SHA 0x03000007 |
| #define SSL3_CK_RSA_DES_40_CBC_SHA 0x03000008 |
| #define SSL3_CK_RSA_DES_64_CBC_SHA 0x03000009 |
| #define SSL3_CK_RSA_DES_192_CBC3_SHA 0x0300000A |
| |
| #define SSL3_CK_DH_DSS_DES_40_CBC_SHA 0x0300000B |
| #define SSL3_CK_DH_DSS_DES_64_CBC_SHA 0x0300000C |
| #define SSL3_CK_DH_DSS_DES_192_CBC3_SHA 0x0300000D |
| #define SSL3_CK_DH_RSA_DES_40_CBC_SHA 0x0300000E |
| #define SSL3_CK_DH_RSA_DES_64_CBC_SHA 0x0300000F |
| #define SSL3_CK_DH_RSA_DES_192_CBC3_SHA 0x03000010 |
| |
| #define SSL3_CK_EDH_DSS_DES_40_CBC_SHA 0x03000011 |
| #define SSL3_CK_EDH_DSS_DES_64_CBC_SHA 0x03000012 |
| #define SSL3_CK_EDH_DSS_DES_192_CBC3_SHA 0x03000013 |
| #define SSL3_CK_EDH_RSA_DES_40_CBC_SHA 0x03000014 |
| #define SSL3_CK_EDH_RSA_DES_64_CBC_SHA 0x03000015 |
| #define SSL3_CK_EDH_RSA_DES_192_CBC3_SHA 0x03000016 |
| |
| #define SSL3_CK_ADH_RC4_40_MD5 0x03000017 |
| #define SSL3_CK_ADH_RC4_128_MD5 0x03000018 |
| #define SSL3_CK_ADH_DES_40_CBC_SHA 0x03000019 |
| #define SSL3_CK_ADH_DES_64_CBC_SHA 0x0300001A |
| #define SSL3_CK_ADH_DES_192_CBC_SHA 0x0300001B |
| |
| #define SSL3_TXT_RSA_NULL_MD5 "NULL-MD5" |
| #define SSL3_TXT_RSA_NULL_SHA "NULL-SHA" |
| #define SSL3_TXT_RSA_RC4_40_MD5 "EXP-RC4-MD5" |
| #define SSL3_TXT_RSA_RC4_128_MD5 "RC4-MD5" |
| #define SSL3_TXT_RSA_RC4_128_SHA "RC4-SHA" |
| #define SSL3_TXT_RSA_RC2_40_MD5 "EXP-RC2-CBC-MD5" |
| #define SSL3_TXT_RSA_IDEA_128_SHA "IDEA-CBC-SHA" |
| #define SSL3_TXT_RSA_DES_40_CBC_SHA "EXP-DES-CBC-SHA" |
| #define SSL3_TXT_RSA_DES_64_CBC_SHA "DES-CBC-SHA" |
| #define SSL3_TXT_RSA_DES_192_CBC3_SHA "DES-CBC3-SHA" |
| |
| #define SSL3_TXT_DH_DSS_DES_40_CBC_SHA "EXP-DH-DSS-DES-CBC-SHA" |
| #define SSL3_TXT_DH_DSS_DES_64_CBC_SHA "DH-DSS-DES-CBC-SHA" |
| #define SSL3_TXT_DH_DSS_DES_192_CBC3_SHA "DH-DSS-DES-CBC3-SHA" |
| #define SSL3_TXT_DH_RSA_DES_40_CBC_SHA "EXP-DH-RSA-DES-CBC-SHA" |
| #define SSL3_TXT_DH_RSA_DES_64_CBC_SHA "DH-RSA-DES-CBC-SHA" |
| #define SSL3_TXT_DH_RSA_DES_192_CBC3_SHA "DH-RSA-DES-CBC3-SHA" |
| |
| #define SSL3_TXT_EDH_DSS_DES_40_CBC_SHA "EXP-EDH-DSS-DES-CBC-SHA" |
| #define SSL3_TXT_EDH_DSS_DES_64_CBC_SHA "EDH-DSS-DES-CBC-SHA" |
| #define SSL3_TXT_EDH_DSS_DES_192_CBC3_SHA "EDH-DSS-DES-CBC3-SHA" |
| #define SSL3_TXT_EDH_RSA_DES_40_CBC_SHA "EXP-EDH-RSA-DES-CBC-SHA" |
| #define SSL3_TXT_EDH_RSA_DES_64_CBC_SHA "EDH-RSA-DES-CBC-SHA" |
| #define SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA "EDH-RSA-DES-CBC3-SHA" |
| |
| #define SSL3_TXT_ADH_RC4_40_MD5 "EXP-ADH-RC4-MD5" |
| #define SSL3_TXT_ADH_RC4_128_MD5 "ADH-RC4-MD5" |
| #define SSL3_TXT_ADH_DES_40_CBC_SHA "EXP-ADH-DES-CBC-SHA" |
| #define SSL3_TXT_ADH_DES_64_CBC_SHA "ADH-DES-CBC-SHA" |
| #define SSL3_TXT_ADH_DES_192_CBC_SHA "ADH-DES-CBC3-SHA" |
| |
| #define SSL3_SSL_SESSION_ID_LENGTH 32 |
| #define SSL3_MAX_SSL_SESSION_ID_LENGTH 32 |
| |
| #define SSL3_MASTER_SECRET_SIZE 48 |
| #define SSL3_RANDOM_SIZE 32 |
| #define SSL3_SESSION_ID_SIZE 32 |
| #define SSL3_RT_HEADER_LENGTH 5 |
| |
| #define SSL3_HM_HEADER_LENGTH 4 |
| |
| #ifndef SSL3_ALIGN_PAYLOAD |
| // Some will argue that this increases memory footprint, but it's not actually |
| // true. Point is that malloc has to return at least 64-bit aligned pointers, |
| // meaning that allocating 5 bytes wastes 3 bytes in either case. Suggested |
| // pre-gaping simply moves these wasted bytes from the end of allocated region |
| // to its front, but makes data payload aligned, which improves performance. |
| #define SSL3_ALIGN_PAYLOAD 8 |
| #else |
| #if (SSL3_ALIGN_PAYLOAD & (SSL3_ALIGN_PAYLOAD - 1)) != 0 |
| #error "insane SSL3_ALIGN_PAYLOAD" |
| #undef SSL3_ALIGN_PAYLOAD |
| #endif |
| #endif |
| |
| // This is the maximum MAC (digest) size used by the SSL library. Currently |
| // maximum of 20 is used by SHA1, but we reserve for future extension for |
| // 512-bit hashes. |
| |
| #define SSL3_RT_MAX_MD_SIZE 64 |
| |
| // Maximum block size used in all ciphersuites. Currently 16 for AES. |
| |
| #define SSL_RT_MAX_CIPHER_BLOCK_SIZE 16 |
| |
| // Maximum plaintext length: defined by SSL/TLS standards |
| #define SSL3_RT_MAX_PLAIN_LENGTH 16384 |
| // Maximum compression overhead: defined by SSL/TLS standards |
| #define SSL3_RT_MAX_COMPRESSED_OVERHEAD 1024 |
| |
| // The standards give a maximum encryption overhead of 1024 bytes. In practice |
| // the value is lower than this. The overhead is the maximum number of padding |
| // bytes (256) plus the mac size. |
| // |
| // TODO(davidben): This derivation doesn't take AEADs into account, or TLS 1.1 |
| // explicit nonces. It happens to work because |SSL3_RT_MAX_MD_SIZE| is larger |
| // than necessary and no true AEAD has variable overhead in TLS 1.2. |
| #define SSL3_RT_MAX_ENCRYPTED_OVERHEAD (256 + SSL3_RT_MAX_MD_SIZE) |
| |
| // SSL3_RT_SEND_MAX_ENCRYPTED_OVERHEAD is the maximum overhead in encrypting a |
| // record. This does not include the record header. Some ciphers use explicit |
| // nonces, so it includes both the AEAD overhead as well as the nonce. |
| #define SSL3_RT_SEND_MAX_ENCRYPTED_OVERHEAD \ |
| (EVP_AEAD_MAX_OVERHEAD + EVP_AEAD_MAX_NONCE_LENGTH) |
| |
| OPENSSL_COMPILE_ASSERT( |
| SSL3_RT_MAX_ENCRYPTED_OVERHEAD >= SSL3_RT_SEND_MAX_ENCRYPTED_OVERHEAD, |
| max_overheads_are_consistent); |
| |
| // SSL3_RT_MAX_COMPRESSED_LENGTH is an alias for |
| // |SSL3_RT_MAX_PLAIN_LENGTH|. Compression is gone, so don't include the |
| // compression overhead. |
| #define SSL3_RT_MAX_COMPRESSED_LENGTH SSL3_RT_MAX_PLAIN_LENGTH |
| |
| #define SSL3_RT_MAX_ENCRYPTED_LENGTH \ |
| (SSL3_RT_MAX_ENCRYPTED_OVERHEAD + SSL3_RT_MAX_COMPRESSED_LENGTH) |
| #define SSL3_RT_MAX_PACKET_SIZE \ |
| (SSL3_RT_MAX_ENCRYPTED_LENGTH + SSL3_RT_HEADER_LENGTH) |
| |
| #define SSL3_MD_CLIENT_FINISHED_CONST "\x43\x4C\x4E\x54" |
| #define SSL3_MD_SERVER_FINISHED_CONST "\x53\x52\x56\x52" |
| |
| #define SSL3_RT_CHANGE_CIPHER_SPEC 20 |
| #define SSL3_RT_ALERT 21 |
| #define SSL3_RT_HANDSHAKE 22 |
| #define SSL3_RT_APPLICATION_DATA 23 |
| #define SSL3_RT_PLAINTEXT_HANDSHAKE 24 |
| |
| // Pseudo content type for SSL/TLS header info |
| #define SSL3_RT_HEADER 0x100 |
| |
| #define SSL3_AL_WARNING 1 |
| #define SSL3_AL_FATAL 2 |
| |
| #define SSL3_AD_CLOSE_NOTIFY 0 |
| #define SSL3_AD_UNEXPECTED_MESSAGE 10 // fatal |
| #define SSL3_AD_BAD_RECORD_MAC 20 // fatal |
| #define SSL3_AD_DECOMPRESSION_FAILURE 30 // fatal |
| #define SSL3_AD_HANDSHAKE_FAILURE 40 // fatal |
| #define SSL3_AD_NO_CERTIFICATE 41 |
| #define SSL3_AD_BAD_CERTIFICATE 42 |
| #define SSL3_AD_UNSUPPORTED_CERTIFICATE 43 |
| #define SSL3_AD_CERTIFICATE_REVOKED 44 |
| #define SSL3_AD_CERTIFICATE_EXPIRED 45 |
| #define SSL3_AD_CERTIFICATE_UNKNOWN 46 |
| #define SSL3_AD_ILLEGAL_PARAMETER 47 // fatal |
| #define SSL3_AD_INAPPROPRIATE_FALLBACK 86 // fatal |
| |
| #define SSL3_CT_RSA_SIGN 1 |
| |
| #define SSL3_MT_HELLO_REQUEST 0 |
| #define SSL3_MT_CLIENT_HELLO 1 |
| #define SSL3_MT_SERVER_HELLO 2 |
| #define SSL3_MT_NEW_SESSION_TICKET 4 |
| #define SSL3_MT_HELLO_RETRY_REQUEST 6 |
| #define SSL3_MT_ENCRYPTED_EXTENSIONS 8 |
| #define SSL3_MT_CERTIFICATE 11 |
| #define SSL3_MT_SERVER_KEY_EXCHANGE 12 |
| #define SSL3_MT_CERTIFICATE_REQUEST 13 |
| #define SSL3_MT_SERVER_HELLO_DONE 14 |
| #define SSL3_MT_CERTIFICATE_VERIFY 15 |
| #define SSL3_MT_CLIENT_KEY_EXCHANGE 16 |
| #define SSL3_MT_FINISHED 20 |
| #define SSL3_MT_CERTIFICATE_STATUS 22 |
| #define SSL3_MT_SUPPLEMENTAL_DATA 23 |
| #define SSL3_MT_KEY_UPDATE 24 |
| #define SSL3_MT_NEXT_PROTO 67 |
| #define SSL3_MT_CHANNEL_ID 203 |
| #define DTLS1_MT_HELLO_VERIFY_REQUEST 3 |
| |
| // The following are legacy aliases for consumers which use |
| // |SSL_CTX_set_msg_callback|. |
| #define SSL3_MT_SERVER_DONE SSL3_MT_SERVER_HELLO_DONE |
| #define SSL3_MT_NEWSESSION_TICKET SSL3_MT_NEW_SESSION_TICKET |
| |
| |
| #define SSL3_MT_CCS 1 |
| |
| // These are used when changing over to a new cipher |
| #define SSL3_CC_READ 0x01 |
| #define SSL3_CC_WRITE 0x02 |
| #define SSL3_CC_CLIENT 0x10 |
| #define SSL3_CC_SERVER 0x20 |
| #define SSL3_CHANGE_CIPHER_CLIENT_WRITE (SSL3_CC_CLIENT | SSL3_CC_WRITE) |
| #define SSL3_CHANGE_CIPHER_SERVER_READ (SSL3_CC_SERVER | SSL3_CC_READ) |
| #define SSL3_CHANGE_CIPHER_CLIENT_READ (SSL3_CC_CLIENT | SSL3_CC_READ) |
| #define SSL3_CHANGE_CIPHER_SERVER_WRITE (SSL3_CC_SERVER | SSL3_CC_WRITE) |
| |
| |
| #ifdef __cplusplus |
| } // extern C |
| #endif |
| |
| #endif // OPENSSL_HEADER_SSL3_H |