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- /* 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_STATIC_ASSERT(SSL3_RT_MAX_ENCRYPTED_OVERHEAD >=
- SSL3_RT_SEND_MAX_ENCRYPTED_OVERHEAD,
- "max overheads are inconsistent");
- // 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
- // Pseudo content type for SSL/TLS header info
- #define SSL3_RT_HEADER 0x100
- #define SSL3_RT_CLIENT_HELLO_INNER 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 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_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_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_COMPRESSED_CERTIFICATE 25
- #define SSL3_MT_NEXT_PROTO 67
- #define SSL3_MT_CHANNEL_ID 203
- #define SSL3_MT_MESSAGE_HASH 254
- #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
- #ifdef __cplusplus
- } // extern C
- #endif
- #endif // OPENSSL_HEADER_SSL3_H
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