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/* esp32_util.c
*
* Copyright (C) 2006-2020 wolfSSL Inc.
*
* This file is part of wolfSSL.
*
* wolfSSL 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.
*
* wolfSSL 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 02110-1335, USA
*/
#include <wolfssl/wolfcrypt/settings.h>
#if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
(!defined(NO_AES) || !defined(NO_SHA) || !defined(NO_SHA256) ||\
defined(WOLFSSL_SHA384) || defined(WOLFSSL_SHA512))
#include <wolfssl/wolfcrypt/wc_port.h>
#include <wolfssl/wolfcrypt/error-crypt.h>
int esp_CryptHwMutexInit(wolfSSL_Mutex* mutex) {
return wc_InitMutex(mutex);
}
int esp_CryptHwMutexLock(wolfSSL_Mutex* mutex, TickType_t xBlockTime) {
#ifdef SINGLE_THREADED
return wc_LockMutex(mutex);
#else
return ((xSemaphoreTake( *mutex, xBlockTime ) == pdTRUE) ? 0 : BAD_MUTEX_E);
#endif
}
int esp_CryptHwMutexUnLock(wolfSSL_Mutex* mutex) {
return wc_UnLockMutex(mutex);
}
#endif
#ifdef WOLFSSL_ESP32WROOM32_CRYPT_DEBUG
#include "esp_timer.h"
#include "esp_log.h"
static uint64_t startTime = 0;
void wc_esp32TimerStart()
{
startTime = esp_timer_get_time();
}
uint64_t wc_esp32elapsedTime()
{
/* return elapsed time since wc_esp32AesTimeStart() is called in us */
return esp_timer_get_time() - startTime;
}
#endif /*WOLFSSL_ESP32WROOM32_CRYPT_DEBUG */
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