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/* * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved. * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved * * Licensed under the Apache License 2.0 (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy * in the file LICENSE in the source distribution or at * https://www.openssl.org/source/license.html */ #ifndef OPENSSL_SSL3_H # define OPENSSL_SSL3_H # pragma once # include <openssl/macros.h> # ifndef OPENSSL_NO_DEPRECATED_3_0 # define HEADER_SSL3_H # endif # include <openssl/comp.h> # include <openssl/buffer.h> # include <openssl/evp.h> # include <openssl/ssl.h> #ifdef __cplusplus extern "C" { #endif /* * Signalling cipher suite value from RFC 5746 * (TLS_EMPTY_RENEGOTIATION_INFO_SCSV) */ # define SSL3_CK_SCSV 0x030000FF /* * Signalling cipher suite value from draft-ietf-tls-downgrade-scsv-00 * (TLS_FALLBACK_SCSV) */ # 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_DHE_DSS_DES_40_CBC_SHA 0x03000011 # define SSL3_CK_EDH_DSS_DES_40_CBC_SHA SSL3_CK_DHE_DSS_DES_40_CBC_SHA # define SSL3_CK_DHE_DSS_DES_64_CBC_SHA 0x03000012 # define SSL3_CK_EDH_DSS_DES_64_CBC_SHA SSL3_CK_DHE_DSS_DES_64_CBC_SHA # define SSL3_CK_DHE_DSS_DES_192_CBC3_SHA 0x03000013 # define SSL3_CK_EDH_DSS_DES_192_CBC3_SHA SSL3_CK_DHE_DSS_DES_192_CBC3_SHA # define SSL3_CK_DHE_RSA_DES_40_CBC_SHA 0x03000014 # define SSL3_CK_EDH_RSA_DES_40_CBC_SHA SSL3_CK_DHE_RSA_DES_40_CBC_SHA # define SSL3_CK_DHE_RSA_DES_64_CBC_SHA 0x03000015 # define SSL3_CK_EDH_RSA_DES_64_CBC_SHA SSL3_CK_DHE_RSA_DES_64_CBC_SHA # define SSL3_CK_DHE_RSA_DES_192_CBC3_SHA 0x03000016 # define SSL3_CK_EDH_RSA_DES_192_CBC3_SHA SSL3_CK_DHE_RSA_DES_192_CBC3_SHA # 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 /* a bundle of RFC standard cipher names, generated from ssl3_ciphers[] */ # define SSL3_RFC_RSA_NULL_MD5 "TLS_RSA_WITH_NULL_MD5" # define SSL3_RFC_RSA_NULL_SHA "TLS_RSA_WITH_NULL_SHA" # define SSL3_RFC_RSA_DES_192_CBC3_SHA "TLS_RSA_WITH_3DES_EDE_CBC_SHA" # define SSL3_RFC_DHE_DSS_DES_192_CBC3_SHA "TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA" # define SSL3_RFC_DHE_RSA_DES_192_CBC3_SHA "TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA" # define SSL3_RFC_ADH_DES_192_CBC_SHA "TLS_DH_anon_WITH_3DES_EDE_CBC_SHA" # define SSL3_RFC_RSA_IDEA_128_SHA "TLS_RSA_WITH_IDEA_CBC_SHA" # define SSL3_RFC_RSA_RC4_128_MD5 "TLS_RSA_WITH_RC4_128_MD5" # define SSL3_RFC_RSA_RC4_128_SHA "TLS_RSA_WITH_RC4_128_SHA" # define SSL3_RFC_ADH_RC4_128_MD5 "TLS_DH_anon_WITH_RC4_128_MD5" # 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_DHE_DSS_DES_40_CBC_SHA "EXP-DHE-DSS-DES-CBC-SHA" # define SSL3_TXT_DHE_DSS_DES_64_CBC_SHA "DHE-DSS-DES-CBC-SHA" # define SSL3_TXT_DHE_DSS_DES_192_CBC3_SHA "DHE-DSS-DES-CBC3-SHA" # define SSL3_TXT_DHE_RSA_DES_40_CBC_SHA "EXP-DHE-RSA-DES-CBC-SHA" # define SSL3_TXT_DHE_RSA_DES_64_CBC_SHA "DHE-RSA-DES-CBC-SHA" # define SSL3_TXT_DHE_RSA_DES_192_CBC3_SHA "DHE-RSA-DES-CBC3-SHA" /* * This next block of six "EDH" labels is for backward compatibility with * older versions of OpenSSL. New code should use the six "DHE" labels above * instead: */ # 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 # define SSL3_RT_MAX_EXTRA (16384) /* 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. */ # define SSL3_RT_MAX_ENCRYPTED_OVERHEAD (256 + SSL3_RT_MAX_MD_SIZE) # define SSL3_RT_MAX_TLS13_ENCRYPTED_OVERHEAD 256 /* * OpenSSL currently only uses a padding length of at most one block so the * send overhead is smaller. */ # define SSL3_RT_SEND_MAX_ENCRYPTED_OVERHEAD \ (SSL_RT_MAX_CIPHER_BLOCK_SIZE + SSL3_RT_MAX_MD_SIZE) /* If compression isn't used don't include the compression overhead */ # ifdef OPENSSL_NO_COMP # define SSL3_RT_MAX_COMPRESSED_LENGTH SSL3_RT_MAX_PLAIN_LENGTH # else # define SSL3_RT_MAX_COMPRESSED_LENGTH \ (SSL3_RT_MAX_PLAIN_LENGTH+SSL3_RT_MAX_COMPRESSED_OVERHEAD) # endif # define SSL3_RT_MAX_ENCRYPTED_LENGTH \ (SSL3_RT_MAX_ENCRYPTED_OVERHEAD+SSL3_RT_MAX_COMPRESSED_LENGTH) # define SSL3_RT_MAX_TLS13_ENCRYPTED_LENGTH \ (SSL3_RT_MAX_PLAIN_LENGTH + SSL3_RT_MAX_TLS13_ENCRYPTED_OVERHEAD) # 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" /* SSL3_VERSION is defined in prov_ssl.h */ # define SSL3_VERSION_MAJOR 0x03 # define SSL3_VERSION_MINOR 0x00 # define SSL3_RT_CHANGE_CIPHER_SPEC 20 # define SSL3_RT_ALERT 21 # define SSL3_RT_HANDSHAKE 22 # define SSL3_RT_APPLICATION_DATA 23 /* Pseudo content types to indicate additional parameters */ # define TLS1_RT_CRYPTO 0x1000 # define TLS1_RT_CRYPTO_PREMASTER (TLS1_RT_CRYPTO | 0x1) # define TLS1_RT_CRYPTO_CLIENT_RANDOM (TLS1_RT_CRYPTO | 0x2) # define TLS1_RT_CRYPTO_SERVER_RANDOM (TLS1_RT_CRYPTO | 0x3) # define TLS1_RT_CRYPTO_MASTER (TLS1_RT_CRYPTO | 0x4) # define TLS1_RT_CRYPTO_READ 0x0000 # define TLS1_RT_CRYPTO_WRITE 0x0100 # define TLS1_RT_CRYPTO_MAC (TLS1_RT_CRYPTO | 0x5) # define TLS1_RT_CRYPTO_KEY (TLS1_RT_CRYPTO | 0x6) # define TLS1_RT_CRYPTO_IV (TLS1_RT_CRYPTO | 0x7) # define TLS1_RT_CRYPTO_FIXED_IV (TLS1_RT_CRYPTO | 0x8) /* Pseudo content types for SSL/TLS header info */ # define SSL3_RT_HEADER 0x100 # define SSL3_RT_INNER_CONTENT_TYPE 0x101 # 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 TLS1_HB_REQUEST 1 # define TLS1_HB_RESPONSE 2 # define SSL3_CT_RSA_SIGN 1 # define SSL3_CT_DSS_SIGN 2 # define SSL3_CT_RSA_FIXED_DH 3 # define SSL3_CT_DSS_FIXED_DH 4 # define SSL3_CT_RSA_EPHEMERAL_DH 5 # define SSL3_CT_DSS_EPHEMERAL_DH 6 # define SSL3_CT_FORTEZZA_DMS 20 /* * SSL3_CT_NUMBER is used to size arrays and it must be large enough to * contain all of the cert types defined for *either* SSLv3 and TLSv1. */ # define SSL3_CT_NUMBER 12 # if defined(TLS_CT_NUMBER) # if TLS_CT_NUMBER != SSL3_CT_NUMBER # error "SSL/TLS CT_NUMBER values do not match" # endif # endif /* No longer used as of OpenSSL 1.1.1 */ # define SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS 0x0001 /* Removed from OpenSSL 1.1.0 */ # define TLS1_FLAGS_TLS_PADDING_BUG 0x0 # define TLS1_FLAGS_SKIP_CERT_VERIFY 0x0010 /* Set if we encrypt then mac instead of usual mac then encrypt */ # define TLS1_FLAGS_ENCRYPT_THEN_MAC_READ 0x0100 # define TLS1_FLAGS_ENCRYPT_THEN_MAC TLS1_FLAGS_ENCRYPT_THEN_MAC_READ /* Set if extended master secret extension received from peer */ # define TLS1_FLAGS_RECEIVED_EXTMS 0x0200 # define TLS1_FLAGS_ENCRYPT_THEN_MAC_WRITE 0x0400 # define TLS1_FLAGS_STATELESS 0x0800 /* Set if extended master secret extension required on renegotiation */ # define TLS1_FLAGS_REQUIRED_EXTMS 0x1000 # define SSL3_MT_HELLO_REQUEST 0 # define SSL3_MT_CLIENT_HELLO 1 # define SSL3_MT_SERVER_HELLO 2 # define SSL3_MT_NEWSESSION_TICKET 4 # define SSL3_MT_END_OF_EARLY_DATA 5 # 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_DONE 14 # define SSL3_MT_CERTIFICATE_VERIFY 15 # define SSL3_MT_CLIENT_KEY_EXCHANGE 16 # define SSL3_MT_FINISHED 20 # define SSL3_MT_CERTIFICATE_URL 21 # define SSL3_MT_CERTIFICATE_STATUS 22 # define SSL3_MT_SUPPLEMENTAL_DATA 23 # define SSL3_MT_KEY_UPDATE 24 # ifndef OPENSSL_NO_NEXTPROTONEG # define SSL3_MT_NEXT_PROTO 67 # endif # define SSL3_MT_MESSAGE_HASH 254 # define DTLS1_MT_HELLO_VERIFY_REQUEST 3 /* Dummy message type for handling CCS like a normal handshake message */ # define SSL3_MT_CHANGE_CIPHER_SPEC 0x0101 # define SSL3_MT_CCS 1 /* These are used when changing over to a new cipher */ # define SSL3_CC_READ 0x001 # define SSL3_CC_WRITE 0x002 # define SSL3_CC_CLIENT 0x010 # define SSL3_CC_SERVER 0x020 # define SSL3_CC_EARLY 0x040 # define SSL3_CC_HANDSHAKE 0x080 # define SSL3_CC_APPLICATION 0x100 # 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 } #endif #endif