ssl_cookie.h

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/*
 *  Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
 *  SPDX-License-Identifier: Apache-2.0
 *
 *  Licensed under the Apache License, Version 2.0 (the "License"); you may
 *  not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License 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.
 *
 *  This file is part of mbed TLS (https://tls.mbed.org)
 */
#ifndef MBEDTLS_SSL_COOKIE_H
#define MBEDTLS_SSL_COOKIE_H

#include "ssl.h"

#if defined(MBEDTLS_THREADING_C)
#include "threading.h"
#endif

#ifndef MBEDTLS_SSL_COOKIE_TIMEOUT
#define MBEDTLS_SSL_COOKIE_TIMEOUT     60 
#endif

/* \} name SECTION: Module settings */

#ifdef __cplusplus
extern "C" {
#endif

typedef struct mbedtls_ssl_cookie_ctx
{
    mbedtls_md_context_t    hmac_ctx;   
#if !defined(MBEDTLS_HAVE_TIME)
    unsigned long   serial;     
#endif
    unsigned long   timeout;    
#if defined(MBEDTLS_THREADING_C)
    mbedtls_threading_mutex_t mutex;
#endif
} mbedtls_ssl_cookie_ctx;

void mbedtls_ssl_cookie_init( mbedtls_ssl_cookie_ctx *ctx );

int mbedtls_ssl_cookie_setup( mbedtls_ssl_cookie_ctx *ctx,
                      int (*f_rng)(void *, unsigned char *, size_t),
                      void *p_rng );

void mbedtls_ssl_cookie_set_timeout( mbedtls_ssl_cookie_ctx *ctx, unsigned long delay );

void mbedtls_ssl_cookie_free( mbedtls_ssl_cookie_ctx *ctx );

mbedtls_ssl_cookie_write_t mbedtls_ssl_cookie_write;

mbedtls_ssl_cookie_check_t mbedtls_ssl_cookie_check;

#ifdef __cplusplus
}
#endif

#endif /* ssl_cookie.h */