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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
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