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