dtls1.h
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/*
* Copyright 2005-2018 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (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 HEADER_DTLS1_H
# define HEADER_DTLS1_H
#ifdef __cplusplus
extern "C" {
#endif
# define DTLS1_VERSION 0xFEFF
# define DTLS1_2_VERSION 0xFEFD
# define DTLS_MIN_VERSION DTLS1_VERSION
# 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 */
/*
* Actually the max cookie length in DTLS is 255. But we can't change this now
* due to compatibility concerns.
*/
# 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
# define DTLS1_AL_HEADER_LENGTH 2
/* 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