LuatOS/bsp/linux/port/luat_crypto_linux.c

#include "luat_base.h"
#include "luat_crypto.h"
#define LUAT_LOG_TAG "crypto"
#include "luat_log.h"
#include <stdlib.h>
#include <time.h>

int luat_crypto_trng(char* buff, size_t len) {
    srand(time(NULL));
    for (size_t i = 0; i < len; i++)
    {
        buff[i] = (char) rand();
        if (buff[i] == 0) {
            buff[i] = i;
        }
    }
    return 0;
}