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348 lines
14 KiB
C
348 lines
14 KiB
C
/*
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* Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
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* Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#ifndef OPENSSL_SSL3_H
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# define OPENSSL_SSL3_H
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# pragma once
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# include <openssl/macros.h>
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# ifndef OPENSSL_NO_DEPRECATED_3_0
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# define HEADER_SSL3_H
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# endif
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# include <openssl/comp.h>
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# include <openssl/buffer.h>
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# include <openssl/evp.h>
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# include <openssl/ssl.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* Signalling cipher suite value from RFC 5746
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* (TLS_EMPTY_RENEGOTIATION_INFO_SCSV)
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*/
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# define SSL3_CK_SCSV 0x030000FF
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/*
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* Signalling cipher suite value from draft-ietf-tls-downgrade-scsv-00
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* (TLS_FALLBACK_SCSV)
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*/
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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_DHE_DSS_DES_40_CBC_SHA 0x03000011
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# define SSL3_CK_EDH_DSS_DES_40_CBC_SHA SSL3_CK_DHE_DSS_DES_40_CBC_SHA
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# define SSL3_CK_DHE_DSS_DES_64_CBC_SHA 0x03000012
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# define SSL3_CK_EDH_DSS_DES_64_CBC_SHA SSL3_CK_DHE_DSS_DES_64_CBC_SHA
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# define SSL3_CK_DHE_DSS_DES_192_CBC3_SHA 0x03000013
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# define SSL3_CK_EDH_DSS_DES_192_CBC3_SHA SSL3_CK_DHE_DSS_DES_192_CBC3_SHA
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# define SSL3_CK_DHE_RSA_DES_40_CBC_SHA 0x03000014
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# define SSL3_CK_EDH_RSA_DES_40_CBC_SHA SSL3_CK_DHE_RSA_DES_40_CBC_SHA
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# define SSL3_CK_DHE_RSA_DES_64_CBC_SHA 0x03000015
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# define SSL3_CK_EDH_RSA_DES_64_CBC_SHA SSL3_CK_DHE_RSA_DES_64_CBC_SHA
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# define SSL3_CK_DHE_RSA_DES_192_CBC3_SHA 0x03000016
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# define SSL3_CK_EDH_RSA_DES_192_CBC3_SHA SSL3_CK_DHE_RSA_DES_192_CBC3_SHA
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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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/* a bundle of RFC standard cipher names, generated from ssl3_ciphers[] */
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# define SSL3_RFC_RSA_NULL_MD5 "TLS_RSA_WITH_NULL_MD5"
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# define SSL3_RFC_RSA_NULL_SHA "TLS_RSA_WITH_NULL_SHA"
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# define SSL3_RFC_RSA_DES_192_CBC3_SHA "TLS_RSA_WITH_3DES_EDE_CBC_SHA"
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# define SSL3_RFC_DHE_DSS_DES_192_CBC3_SHA "TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA"
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# define SSL3_RFC_DHE_RSA_DES_192_CBC3_SHA "TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA"
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# define SSL3_RFC_ADH_DES_192_CBC_SHA "TLS_DH_anon_WITH_3DES_EDE_CBC_SHA"
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# define SSL3_RFC_RSA_IDEA_128_SHA "TLS_RSA_WITH_IDEA_CBC_SHA"
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# define SSL3_RFC_RSA_RC4_128_MD5 "TLS_RSA_WITH_RC4_128_MD5"
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# define SSL3_RFC_RSA_RC4_128_SHA "TLS_RSA_WITH_RC4_128_SHA"
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# define SSL3_RFC_ADH_RC4_128_MD5 "TLS_DH_anon_WITH_RC4_128_MD5"
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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_DHE_DSS_DES_40_CBC_SHA "EXP-DHE-DSS-DES-CBC-SHA"
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# define SSL3_TXT_DHE_DSS_DES_64_CBC_SHA "DHE-DSS-DES-CBC-SHA"
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# define SSL3_TXT_DHE_DSS_DES_192_CBC3_SHA "DHE-DSS-DES-CBC3-SHA"
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# define SSL3_TXT_DHE_RSA_DES_40_CBC_SHA "EXP-DHE-RSA-DES-CBC-SHA"
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# define SSL3_TXT_DHE_RSA_DES_64_CBC_SHA "DHE-RSA-DES-CBC-SHA"
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# define SSL3_TXT_DHE_RSA_DES_192_CBC3_SHA "DHE-RSA-DES-CBC3-SHA"
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/*
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* This next block of six "EDH" labels is for backward compatibility with
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* older versions of OpenSSL. New code should use the six "DHE" labels above
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* instead:
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*/
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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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/*
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* Some will argue that this increases memory footprint, but it's not
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* actually true. Point is that malloc has to return at least 64-bit aligned
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* pointers, meaning that allocating 5 bytes wastes 3 bytes in either case.
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* Suggested pre-gaping simply moves these wasted bytes from the end of
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* allocated region to its front, but makes data payload aligned, which
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* improves performance:-)
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*/
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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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/*
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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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*/
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# define SSL3_RT_MAX_MD_SIZE 64
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/*
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* Maximum block size used in all ciphersuites. Currently 16 for AES.
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*/
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# define SSL_RT_MAX_CIPHER_BLOCK_SIZE 16
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# define SSL3_RT_MAX_EXTRA (16384)
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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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/*
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* The standards give a maximum encryption overhead of 1024 bytes. In
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* practice the value is lower than this. The overhead is the maximum number
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* of padding bytes (256) plus the mac size.
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*/
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# define SSL3_RT_MAX_ENCRYPTED_OVERHEAD (256 + SSL3_RT_MAX_MD_SIZE)
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# define SSL3_RT_MAX_TLS13_ENCRYPTED_OVERHEAD 256
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/*
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* OpenSSL currently only uses a padding length of at most one block so the
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* send overhead is smaller.
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*/
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# define SSL3_RT_SEND_MAX_ENCRYPTED_OVERHEAD \
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(SSL_RT_MAX_CIPHER_BLOCK_SIZE + SSL3_RT_MAX_MD_SIZE)
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/* If compression isn't used don't include the compression overhead */
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# ifdef OPENSSL_NO_COMP
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# define SSL3_RT_MAX_COMPRESSED_LENGTH SSL3_RT_MAX_PLAIN_LENGTH
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# else
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# define SSL3_RT_MAX_COMPRESSED_LENGTH \
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(SSL3_RT_MAX_PLAIN_LENGTH+SSL3_RT_MAX_COMPRESSED_OVERHEAD)
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# endif
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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_TLS13_ENCRYPTED_LENGTH \
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(SSL3_RT_MAX_PLAIN_LENGTH + SSL3_RT_MAX_TLS13_ENCRYPTED_OVERHEAD)
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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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/* SSL3_VERSION is defined in prov_ssl.h */
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# define SSL3_VERSION_MAJOR 0x03
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# define SSL3_VERSION_MINOR 0x00
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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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/* Pseudo content types to indicate additional parameters */
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# define TLS1_RT_CRYPTO 0x1000
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# define TLS1_RT_CRYPTO_PREMASTER (TLS1_RT_CRYPTO | 0x1)
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# define TLS1_RT_CRYPTO_CLIENT_RANDOM (TLS1_RT_CRYPTO | 0x2)
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# define TLS1_RT_CRYPTO_SERVER_RANDOM (TLS1_RT_CRYPTO | 0x3)
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# define TLS1_RT_CRYPTO_MASTER (TLS1_RT_CRYPTO | 0x4)
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# define TLS1_RT_CRYPTO_READ 0x0000
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# define TLS1_RT_CRYPTO_WRITE 0x0100
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# define TLS1_RT_CRYPTO_MAC (TLS1_RT_CRYPTO | 0x5)
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# define TLS1_RT_CRYPTO_KEY (TLS1_RT_CRYPTO | 0x6)
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# define TLS1_RT_CRYPTO_IV (TLS1_RT_CRYPTO | 0x7)
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# define TLS1_RT_CRYPTO_FIXED_IV (TLS1_RT_CRYPTO | 0x8)
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/* Pseudo content types for SSL/TLS header info */
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# define SSL3_RT_HEADER 0x100
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# define SSL3_RT_INNER_CONTENT_TYPE 0x101
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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 TLS1_HB_REQUEST 1
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# define TLS1_HB_RESPONSE 2
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# define SSL3_CT_RSA_SIGN 1
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# define SSL3_CT_DSS_SIGN 2
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# define SSL3_CT_RSA_FIXED_DH 3
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# define SSL3_CT_DSS_FIXED_DH 4
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# define SSL3_CT_RSA_EPHEMERAL_DH 5
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# define SSL3_CT_DSS_EPHEMERAL_DH 6
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# define SSL3_CT_FORTEZZA_DMS 20
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/*
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* SSL3_CT_NUMBER is used to size arrays and it must be large enough to
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* contain all of the cert types defined for *either* SSLv3 and TLSv1.
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*/
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# define SSL3_CT_NUMBER 12
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# if defined(TLS_CT_NUMBER)
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# if TLS_CT_NUMBER != SSL3_CT_NUMBER
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# error "SSL/TLS CT_NUMBER values do not match"
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# endif
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# endif
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/* No longer used as of OpenSSL 1.1.1 */
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# define SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS 0x0001
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/* Removed from OpenSSL 1.1.0 */
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# define TLS1_FLAGS_TLS_PADDING_BUG 0x0
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# define TLS1_FLAGS_SKIP_CERT_VERIFY 0x0010
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/* Set if we encrypt then mac instead of usual mac then encrypt */
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# define TLS1_FLAGS_ENCRYPT_THEN_MAC_READ 0x0100
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# define TLS1_FLAGS_ENCRYPT_THEN_MAC TLS1_FLAGS_ENCRYPT_THEN_MAC_READ
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/* Set if extended master secret extension received from peer */
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# define TLS1_FLAGS_RECEIVED_EXTMS 0x0200
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# define TLS1_FLAGS_ENCRYPT_THEN_MAC_WRITE 0x0400
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# define TLS1_FLAGS_STATELESS 0x0800
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/* Set if extended master secret extension required on renegotiation */
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# define TLS1_FLAGS_REQUIRED_EXTMS 0x1000
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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_NEWSESSION_TICKET 4
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# define SSL3_MT_END_OF_EARLY_DATA 5
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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_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_URL 21
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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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# ifndef OPENSSL_NO_NEXTPROTONEG
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# define SSL3_MT_NEXT_PROTO 67
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# endif
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# define SSL3_MT_MESSAGE_HASH 254
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# define DTLS1_MT_HELLO_VERIFY_REQUEST 3
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/* Dummy message type for handling CCS like a normal handshake message */
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# define SSL3_MT_CHANGE_CIPHER_SPEC 0x0101
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# define SSL3_MT_CCS 1
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/* These are used when changing over to a new cipher */
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# define SSL3_CC_READ 0x001
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# define SSL3_CC_WRITE 0x002
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# define SSL3_CC_CLIENT 0x010
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# define SSL3_CC_SERVER 0x020
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# define SSL3_CC_EARLY 0x040
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# define SSL3_CC_HANDSHAKE 0x080
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# define SSL3_CC_APPLICATION 0x100
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# define SSL3_CHANGE_CIPHER_CLIENT_WRITE (SSL3_CC_CLIENT|SSL3_CC_WRITE)
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# define SSL3_CHANGE_CIPHER_SERVER_READ (SSL3_CC_SERVER|SSL3_CC_READ)
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# define SSL3_CHANGE_CIPHER_CLIENT_READ (SSL3_CC_CLIENT|SSL3_CC_READ)
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# define SSL3_CHANGE_CIPHER_SERVER_WRITE (SSL3_CC_SERVER|SSL3_CC_WRITE)
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#ifdef __cplusplus
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}
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#endif
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#endif
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