timing.h

Go to the documentation of this file.

 
/*
 *  Copyright The Mbed TLS Contributors
 *  SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
 *
 *  This file is provided under the Apache License 2.0, or the
 *  GNU General Public License v2.0 or later.
 *
 *  **********
 *  Apache License 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.
 *
 *  **********
 *
 *  **********
 *  GNU General Public License v2.0 or later:
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License along
 *  with this program; if not, write to the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 *  **********
 */
#ifndef MBEDTLS_TIMING_H
#define MBEDTLS_TIMING_H
 
#if !defined(MBEDTLS_CONFIG_FILE)
#include "config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif
 
#include <stdint.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
#if !defined(MBEDTLS_TIMING_ALT)
// Regular implementation
//
 
struct mbedtls_timing_hr_time
{
    unsigned char opaque[32];
};
 
typedef struct mbedtls_timing_delay_context
{
    struct mbedtls_timing_hr_time   timer;
    uint32_t                        int_ms;
    uint32_t                        fin_ms;
} mbedtls_timing_delay_context;
 
#else  /* MBEDTLS_TIMING_ALT */
#include "timing_alt.h"
#endif /* MBEDTLS_TIMING_ALT */
 
extern volatile int mbedtls_timing_alarmed;
 
unsigned long mbedtls_timing_hardclock( void );
 
unsigned long mbedtls_timing_get_timer( struct mbedtls_timing_hr_time *val, int reset );
 
void mbedtls_set_alarm( int seconds );
 
void mbedtls_timing_set_delay( void *data, uint32_t int_ms, uint32_t fin_ms );
 
int mbedtls_timing_get_delay( void *data );
 
#if defined(MBEDTLS_SELF_TEST)
int mbedtls_timing_self_test( int verbose );
#endif
 
#ifdef __cplusplus
}
#endif
 
#endif /* timing.h */