MCUXpresso_LPC845/components/rng/fsl_adapter_software_rng.c

46 lines
826 B
C

/*
* Copyright 2020 NXP
* All rights reserved.
*
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include "fsl_adapter_rng.h"
hal_rng_status_t HAL_RngInit(void)
{
return KStatus_HAL_RngNotSupport;
}
void HAL_RngDeinit(void)
{
return;
}
hal_rng_status_t HAL_RngHwGetData(void *pRandomNo, uint32_t dataSize)
{
(void)pRandomNo;
(void)dataSize;
return KStatus_HAL_RngNotSupport;
}
hal_rng_status_t HAL_RngGetData(void *pRandomNo, uint32_t dataSize)
{
if (NULL == pRandomNo)
{
return kStatus_HAL_RngNullPointer;
}
for (uint32_t i = 0; i < dataSize; i++)
{
((uint8_t *)pRandomNo)[i] = (uint8_t)((uint8_t)rand() & 0xFFU);
}
return kStatus_HAL_RngSuccess;
}
hal_rng_status_t HAL_RngSetSeed(uint32_t seed)
{
srand(seed);
return kStatus_HAL_RngSuccess;
}