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31 * This file implements the OpenThread platform abstraction for random number generator.
35 #include <openthread/platform/entropy.h>
37 #include "mbedtls/entropy_poll.h"
38 #include "utils/code_utils.h"
40 static uint32_t randomUint32Get(void)
45 mbedtls_hardware_poll(NULL, (unsigned char *)&random, sizeof(random), &ouputLen);
50 otError otPlatEntropyGet(uint8_t *aOutput, uint16_t aOutputLength)
52 otError error = OT_ERROR_NONE;
54 otEXPECT_ACTION(aOutput, error = OT_ERROR_INVALID_ARGS);
56 for (uint16_t length = 0; length < aOutputLength; length++)
58 aOutput[length] = (uint8_t)randomUint32Get();