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/* ssl/dtls1.h */
/*
* DTLS implementation written by Nagendra Modadugu
* (nagendra@cs.stanford.edu) for the OpenSSL project 2005.
*/
/* ====================================================================
* Copyright (c) 1999-2005 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).
*
*/
#ifndef HEADER_DTLS1_H
# define HEADER_DTLS1_H
# include <openssl/buffer.h>
# include <openssl/pqueue.h>
# ifdef OPENSSL_SYS_VMS
# include <resource.h>
# include <sys/timeb.h>
# endif
# ifdef OPENSSL_SYS_WIN32
/* Needed for struct timeval */
# include <winsock.h>
# elif defined(OPENSSL_SYS_NETWARE) && !defined(_WINSOCK2API_)
# include <sys/timeval.h>
# else
# if defined(OPENSSL_SYS_VXWORKS)
# include <sys/times.h>
# else
# include <sys/time.h>
# endif
# endif
#ifdef __cplusplus
extern "C" {
#endif
# define DTLS1_VERSION 0xFEFF
# define DTLS1_2_VERSION 0xFEFD
# define DTLS_MAX_VERSION DTLS1_2_VERSION
# define DTLS1_VERSION_MAJOR 0xFE
# define DTLS1_BAD_VER 0x0100
/* Special value for method supporting multiple versions */
# define DTLS_ANY_VERSION 0x1FFFF
/* lengths of messages */
# define DTLS1_COOKIE_LENGTH 256
# define DTLS1_RT_HEADER_LENGTH 13
# define DTLS1_HM_HEADER_LENGTH 12
# define DTLS1_HM_BAD_FRAGMENT -2
# define DTLS1_HM_FRAGMENT_RETRY -3
# define DTLS1_CCS_HEADER_LENGTH 1
# ifdef DTLS1_AD_MISSING_HANDSHAKE_MESSAGE
# define DTLS1_AL_HEADER_LENGTH 7
# else
# define DTLS1_AL_HEADER_LENGTH 2
# endif
/* Timeout multipliers (timeout slice is defined in apps/timeouts.h */
# define DTLS1_TMO_READ_COUNT 2
# define DTLS1_TMO_WRITE_COUNT 2
# define DTLS1_TMO_ALERT_COUNT 12
#ifdef __cplusplus
}
#endif
#endif
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