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IABSD.fr/src/lib/libssl/ssl3.h

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  • Author : tb
    Date : 2025-04-18 07:34:01
    Hash : ec958d0e
    Message : Fix annoying whitespace

  • lib/libssl/ssl3.h
  • /* $OpenBSD: ssl3.h,v 1.61 2025/04/18 07:34:01 tb Exp $ */
    /* 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 HEADER_SSL3_H
    #define HEADER_SSL3_H
    
    #include <openssl/opensslconf.h>
    #include <openssl/buffer.h>
    #include <openssl/evp.h>
    #include <openssl/ssl.h>
    
    #ifdef  __cplusplus
    extern "C" {
    #endif
    
    /* TLS_EMPTY_RENEGOTIATION_INFO_SCSV from RFC 5746. */
    #define SSL3_CK_SCSV				0x030000FF
    
    /* TLS_FALLBACK_SCSV from draft-ietf-tls-downgrade-scsv-03. */
    #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
    
    /*    VRS Additional Kerberos5 entries
     */
    #define SSL3_CK_KRB5_DES_64_CBC_SHA		0x0300001E
    #define SSL3_CK_KRB5_DES_192_CBC3_SHA		0x0300001F
    #define SSL3_CK_KRB5_RC4_128_SHA		0x03000020
    #define SSL3_CK_KRB5_IDEA_128_CBC_SHA		0x03000021
    #define SSL3_CK_KRB5_DES_64_CBC_MD5		0x03000022
    #define SSL3_CK_KRB5_DES_192_CBC3_MD5		0x03000023
    #define SSL3_CK_KRB5_RC4_128_MD5		0x03000024
    #define SSL3_CK_KRB5_IDEA_128_CBC_MD5		0x03000025
    
    #define SSL3_CK_KRB5_DES_40_CBC_SHA		0x03000026
    #define SSL3_CK_KRB5_RC2_40_CBC_SHA		0x03000027
    #define SSL3_CK_KRB5_RC4_40_SHA			0x03000028
    #define SSL3_CK_KRB5_DES_40_CBC_MD5		0x03000029
    #define SSL3_CK_KRB5_RC2_40_CBC_MD5		0x0300002A
    #define SSL3_CK_KRB5_RC4_40_MD5			0x0300002B
    
    #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_TXT_KRB5_DES_64_CBC_SHA		"KRB5-DES-CBC-SHA"
    #define SSL3_TXT_KRB5_DES_192_CBC3_SHA		"KRB5-DES-CBC3-SHA"
    #define SSL3_TXT_KRB5_RC4_128_SHA		"KRB5-RC4-SHA"
    #define SSL3_TXT_KRB5_IDEA_128_CBC_SHA		"KRB5-IDEA-CBC-SHA"
    #define SSL3_TXT_KRB5_DES_64_CBC_MD5		"KRB5-DES-CBC-MD5"
    #define SSL3_TXT_KRB5_DES_192_CBC3_MD5		"KRB5-DES-CBC3-MD5"
    #define SSL3_TXT_KRB5_RC4_128_MD5		"KRB5-RC4-MD5"
    #define SSL3_TXT_KRB5_IDEA_128_CBC_MD5		"KRB5-IDEA-CBC-MD5"
    
    #define SSL3_TXT_KRB5_DES_40_CBC_SHA		"EXP-KRB5-DES-CBC-SHA"
    #define SSL3_TXT_KRB5_RC2_40_CBC_SHA		"EXP-KRB5-RC2-CBC-SHA"
    #define SSL3_TXT_KRB5_RC4_40_SHA		"EXP-KRB5-RC4-SHA"
    #define SSL3_TXT_KRB5_DES_40_CBC_MD5		"EXP-KRB5-DES-CBC-MD5"
    #define SSL3_TXT_KRB5_RC2_40_CBC_MD5		"EXP-KRB5-RC2-CBC-MD5"
    #define SSL3_TXT_KRB5_RC4_40_MD5		"EXP-KRB5-RC4-MD5"
    
    #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_SEQUENCE_SIZE			8
    #define SSL3_SESSION_ID_SIZE			32
    #define SSL3_CIPHER_VALUE_SIZE			2
    
    #define SSL3_RT_HEADER_LENGTH			5
    #define SSL3_HM_HEADER_LENGTH			4
    
    #define SSL3_ALIGN_PAYLOAD			8
    
    /* 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)
    
    /* 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 */
    #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_VERSION			0x0300
    #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
    
    #define SSL3_AL_WARNING			1
    #define SSL3_AL_FATAL			2
    
    #ifndef LIBRESSL_INTERNAL
    #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 */
    #endif
    
    #define TLS1_HB_REQUEST		1
    #define TLS1_HB_RESPONSE	2
    
    #define SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS	0x0001
    #define TLS1_FLAGS_FREEZE_TRANSCRIPT		0x0020
    #define SSL3_FLAGS_CCS_OK			0x0080
    
    /* SSLv3 */
    /*client */
    /* extra state */
    #define SSL3_ST_CW_FLUSH			(0x100|SSL_ST_CONNECT)
    /* write to server */
    #define SSL3_ST_CW_CLNT_HELLO_A			(0x110|SSL_ST_CONNECT)
    #define SSL3_ST_CW_CLNT_HELLO_B			(0x111|SSL_ST_CONNECT)
    /* read from server */
    #define SSL3_ST_CR_SRVR_HELLO_A			(0x120|SSL_ST_CONNECT)
    #define SSL3_ST_CR_SRVR_HELLO_B			(0x121|SSL_ST_CONNECT)
    #define DTLS1_ST_CR_HELLO_VERIFY_REQUEST_A	(0x126|SSL_ST_CONNECT)
    #define DTLS1_ST_CR_HELLO_VERIFY_REQUEST_B	(0x127|SSL_ST_CONNECT)
    #define SSL3_ST_CR_CERT_A			(0x130|SSL_ST_CONNECT)
    #define SSL3_ST_CR_CERT_B			(0x131|SSL_ST_CONNECT)
    #define SSL3_ST_CR_KEY_EXCH_A			(0x140|SSL_ST_CONNECT)
    #define SSL3_ST_CR_KEY_EXCH_B			(0x141|SSL_ST_CONNECT)
    #define SSL3_ST_CR_CERT_REQ_A			(0x150|SSL_ST_CONNECT)
    #define SSL3_ST_CR_CERT_REQ_B			(0x151|SSL_ST_CONNECT)
    #define SSL3_ST_CR_SRVR_DONE_A			(0x160|SSL_ST_CONNECT)
    #define SSL3_ST_CR_SRVR_DONE_B			(0x161|SSL_ST_CONNECT)
    /* write to server */
    #define SSL3_ST_CW_CERT_A			(0x170|SSL_ST_CONNECT)
    #define SSL3_ST_CW_CERT_B			(0x171|SSL_ST_CONNECT)
    #define SSL3_ST_CW_CERT_C			(0x172|SSL_ST_CONNECT)
    #define SSL3_ST_CW_CERT_D			(0x173|SSL_ST_CONNECT)
    #define SSL3_ST_CW_KEY_EXCH_A			(0x180|SSL_ST_CONNECT)
    #define SSL3_ST_CW_KEY_EXCH_B			(0x181|SSL_ST_CONNECT)
    #define SSL3_ST_CW_CERT_VRFY_A			(0x190|SSL_ST_CONNECT)
    #define SSL3_ST_CW_CERT_VRFY_B			(0x191|SSL_ST_CONNECT)
    #define SSL3_ST_CW_CHANGE_A			(0x1A0|SSL_ST_CONNECT)
    #define SSL3_ST_CW_CHANGE_B			(0x1A1|SSL_ST_CONNECT)
    #define SSL3_ST_CW_FINISHED_A			(0x1B0|SSL_ST_CONNECT)
    #define SSL3_ST_CW_FINISHED_B			(0x1B1|SSL_ST_CONNECT)
    /* read from server */
    #define SSL3_ST_CR_CHANGE_A			(0x1C0|SSL_ST_CONNECT)
    #define SSL3_ST_CR_CHANGE_B			(0x1C1|SSL_ST_CONNECT)
    #define SSL3_ST_CR_FINISHED_A			(0x1D0|SSL_ST_CONNECT)
    #define SSL3_ST_CR_FINISHED_B			(0x1D1|SSL_ST_CONNECT)
    #define SSL3_ST_CR_SESSION_TICKET_A		(0x1E0|SSL_ST_CONNECT)
    #define SSL3_ST_CR_SESSION_TICKET_B		(0x1E1|SSL_ST_CONNECT)
    #define SSL3_ST_CR_CERT_STATUS_A		(0x1F0|SSL_ST_CONNECT)
    #define SSL3_ST_CR_CERT_STATUS_B		(0x1F1|SSL_ST_CONNECT)
    
    /* server */
    /* extra state */
    #define SSL3_ST_SW_FLUSH			(0x100|SSL_ST_ACCEPT)
    /* read from client */
    /* Do not change the number values, they do matter */
    #define SSL3_ST_SR_CLNT_HELLO_A			(0x110|SSL_ST_ACCEPT)
    #define SSL3_ST_SR_CLNT_HELLO_B			(0x111|SSL_ST_ACCEPT)
    #define SSL3_ST_SR_CLNT_HELLO_C			(0x112|SSL_ST_ACCEPT)
    /* write to client */
    #define DTLS1_ST_SW_HELLO_VERIFY_REQUEST_A	(0x113|SSL_ST_ACCEPT)
    #define DTLS1_ST_SW_HELLO_VERIFY_REQUEST_B	(0x114|SSL_ST_ACCEPT)
    #define SSL3_ST_SW_HELLO_REQ_A			(0x120|SSL_ST_ACCEPT)
    #define SSL3_ST_SW_HELLO_REQ_B			(0x121|SSL_ST_ACCEPT)
    #define SSL3_ST_SW_HELLO_REQ_C			(0x122|SSL_ST_ACCEPT)
    #define SSL3_ST_SW_SRVR_HELLO_A			(0x130|SSL_ST_ACCEPT)
    #define SSL3_ST_SW_SRVR_HELLO_B			(0x131|SSL_ST_ACCEPT)
    #define SSL3_ST_SW_CERT_A			(0x140|SSL_ST_ACCEPT)
    #define SSL3_ST_SW_CERT_B			(0x141|SSL_ST_ACCEPT)
    #define SSL3_ST_SW_KEY_EXCH_A			(0x150|SSL_ST_ACCEPT)
    #define SSL3_ST_SW_KEY_EXCH_B			(0x151|SSL_ST_ACCEPT)
    #define SSL3_ST_SW_CERT_REQ_A			(0x160|SSL_ST_ACCEPT)
    #define SSL3_ST_SW_CERT_REQ_B			(0x161|SSL_ST_ACCEPT)
    #define SSL3_ST_SW_SRVR_DONE_A			(0x170|SSL_ST_ACCEPT)
    #define SSL3_ST_SW_SRVR_DONE_B			(0x171|SSL_ST_ACCEPT)
    /* read from client */
    #define SSL3_ST_SR_CERT_A			(0x180|SSL_ST_ACCEPT)
    #define SSL3_ST_SR_CERT_B			(0x181|SSL_ST_ACCEPT)
    #define SSL3_ST_SR_KEY_EXCH_A			(0x190|SSL_ST_ACCEPT)
    #define SSL3_ST_SR_KEY_EXCH_B			(0x191|SSL_ST_ACCEPT)
    #define SSL3_ST_SR_CERT_VRFY_A			(0x1A0|SSL_ST_ACCEPT)
    #define SSL3_ST_SR_CERT_VRFY_B			(0x1A1|SSL_ST_ACCEPT)
    #define SSL3_ST_SR_CHANGE_A			(0x1B0|SSL_ST_ACCEPT)
    #define SSL3_ST_SR_CHANGE_B			(0x1B1|SSL_ST_ACCEPT)
    #define SSL3_ST_SR_FINISHED_A			(0x1C0|SSL_ST_ACCEPT)
    #define SSL3_ST_SR_FINISHED_B			(0x1C1|SSL_ST_ACCEPT)
    /* write to client */
    #define SSL3_ST_SW_CHANGE_A			(0x1D0|SSL_ST_ACCEPT)
    #define SSL3_ST_SW_CHANGE_B			(0x1D1|SSL_ST_ACCEPT)
    #define SSL3_ST_SW_FINISHED_A			(0x1E0|SSL_ST_ACCEPT)
    #define SSL3_ST_SW_FINISHED_B			(0x1E1|SSL_ST_ACCEPT)
    #define SSL3_ST_SW_SESSION_TICKET_A		(0x1F0|SSL_ST_ACCEPT)
    #define SSL3_ST_SW_SESSION_TICKET_B		(0x1F1|SSL_ST_ACCEPT)
    #define SSL3_ST_SW_CERT_STATUS_A		(0x200|SSL_ST_ACCEPT)
    #define SSL3_ST_SW_CERT_STATUS_B		(0x201|SSL_ST_ACCEPT)
    
    #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_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_STATUS		22
    
    #define DTLS1_MT_HELLO_VERIFY_REQUEST		3
    
    #define SSL3_MT_CCS				1
    
    #ifndef LIBRESSL_INTERNAL
    /* 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)
    #endif
    
    #ifdef  __cplusplus
    }
    #endif
    #endif