/* * Copyright 2005-2021 The OpenSSL Project Authors. All Rights Reserved. * * Licensed under the Apache License 2.0 (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 OPENSSL_DTLS1_H # define OPENSSL_DTLS1_H # pragma once # include <openssl/macros.h> # ifndef OPENSSL_NO_DEPRECATED_3_0 # define HEADER_DTLS1_H # endif # include <openssl/prov_ssl.h> #ifdef __cplusplus extern "C" { #endif #include <openssl/opensslconf.h> /* DTLS*_VERSION constants are defined in prov_ssl.h */ # ifndef OPENSSL_NO_DEPRECATED_3_0 # define DTLS_MIN_VERSION DTLS1_VERSION # define DTLS_MAX_VERSION DTLS1_2_VERSION # endif # define DTLS1_VERSION_MAJOR 0xFE /* Special value for method supporting multiple versions */ # define DTLS_ANY_VERSION 0x1FFFF /* lengths of messages */ # define DTLS1_COOKIE_LENGTH 255 # 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 # define DTLS1_TMO_ALERT_COUNT 12 #ifdef __cplusplus } #endif #endif