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/*
* Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License").
* You may not use this file except in compliance with the License.
* A copy of the License is located at
*
* http://aws.amazon.com/apache2.0
*
* or in the "license" file accompanying this file. This file is distributed
* on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied. See the License for the specific language governing
* permissions and limitations under the License.
*/
#pragma once
#include "api/s2n.h"
#include "tls/s2n_crypto.h"
#include "utils/s2n_compiler.h"
#ifdef __cplusplus
extern "C" {
#endif
#if S2N_GCC_VERSION_AT_LEAST(4, 5, 0)
S2N_API __attribute__((deprecated("The use of TLS1.3 is configured through security policies"))) extern int s2n_enable_tls13();
#else
S2N_API __attribute__((deprecated)) extern int s2n_enable_tls13();
#endif
#ifdef __cplusplus
}
#endif
/* from RFC: https://tools.ietf.org/html/rfc8446#section-4.1.3*/
extern uint8_t hello_retry_req_random[S2N_TLS_RANDOM_DATA_LEN];
bool s2n_use_default_tls13_config();
bool s2n_is_tls13_fully_supported();
int s2n_get_highest_fully_supported_tls_version();
int s2n_enable_tls13_in_test();
int s2n_disable_tls13_in_test();
int s2n_reset_tls13_in_test();
bool s2n_is_valid_tls13_cipher(const uint8_t version[2]);
S2N_RESULT s2n_connection_validate_tls13_support(struct s2n_connection *conn);
bool s2n_connection_supports_tls13(struct s2n_connection *conn);
bool s2n_is_middlebox_compat_enabled(struct s2n_connection *conn);
bool s2n_is_hello_retry_handshake(struct s2n_connection *conn);
bool s2n_is_hello_retry_message(struct s2n_connection *conn);
int s2n_set_hello_retry_required(struct s2n_connection *conn);
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