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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 <stdint.h>
#include "s2n_connection.h"
#define TLS13_CONTENT_TYPE_LENGTH 1
extern S2N_RESULT s2n_record_max_write_payload_size(struct s2n_connection *conn, uint16_t *max_fragment_size);
extern S2N_RESULT s2n_record_min_write_payload_size(struct s2n_connection *conn, uint16_t *payload_size);
extern int s2n_record_write(struct s2n_connection *conn, uint8_t content_type, struct s2n_blob *in);
extern int s2n_record_writev(struct s2n_connection *conn, uint8_t content_type, const struct iovec *in, int in_count, size_t offs, size_t to_write);
extern int s2n_record_parse(struct s2n_connection *conn);
extern int s2n_record_header_parse(struct s2n_connection *conn, uint8_t * content_type, uint16_t * fragment_length);
extern int s2n_tls13_parse_record_type(struct s2n_stuffer *stuffer, uint8_t * record_type);
extern int s2n_sslv2_record_header_parse(struct s2n_connection *conn, uint8_t * record_type, uint8_t * client_protocol_version, uint16_t * fragment_length);
extern int s2n_verify_cbc(struct s2n_connection *conn, struct s2n_hmac_state *hmac, struct s2n_blob *decrypted);
extern S2N_RESULT s2n_aead_aad_init(const struct s2n_connection *conn, uint8_t * sequence_number, uint8_t content_type, uint16_t record_length, struct s2n_stuffer *ad);
extern S2N_RESULT s2n_tls13_aead_aad_init(uint16_t record_length, uint8_t tag_length, struct s2n_stuffer *ad);
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