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55 lines
1.5 KiB
C
55 lines
1.5 KiB
C
/*
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* Copyright 2005-2018 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL license (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#ifndef HEADER_DTLS1_H
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# define HEADER_DTLS1_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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# define DTLS1_VERSION 0xFEFF
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# define DTLS1_2_VERSION 0xFEFD
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# define DTLS_MIN_VERSION DTLS1_VERSION
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# define DTLS_MAX_VERSION DTLS1_2_VERSION
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# define DTLS1_VERSION_MAJOR 0xFE
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# define DTLS1_BAD_VER 0x0100
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/* Special value for method supporting multiple versions */
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# define DTLS_ANY_VERSION 0x1FFFF
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/* lengths of messages */
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/*
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* Actually the max cookie length in DTLS is 255. But we can't change this now
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* due to compatibility concerns.
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*/
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# define DTLS1_COOKIE_LENGTH 256
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# define DTLS1_RT_HEADER_LENGTH 13
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# define DTLS1_HM_HEADER_LENGTH 12
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# define DTLS1_HM_BAD_FRAGMENT -2
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# define DTLS1_HM_FRAGMENT_RETRY -3
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# define DTLS1_CCS_HEADER_LENGTH 1
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# define DTLS1_AL_HEADER_LENGTH 2
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/* Timeout multipliers */
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# define DTLS1_TMO_READ_COUNT 2
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# define DTLS1_TMO_WRITE_COUNT 2
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# define DTLS1_TMO_ALERT_COUNT 12
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#ifdef __cplusplus
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}
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#endif
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#endif
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