crypto/rng.c


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#include "project.h"


uint8_t random_vector_generate(uint8_t * p_buff, uint8_t size)
{
    uint8_t available;
    uint32_t err_code;
    err_code = nrf_drv_rng_bytes_available(&available);
    APP_ERROR_CHECK(err_code);
    uint8_t length = (size<available) ? size : available;
    err_code = nrf_drv_rng_rand(p_buff,length);
    APP_ERROR_CHECK(err_code);
    return length;
}


void rng_init(void)
{
    uint32_t err_code;
    err_code = nrf_drv_rng_init(NULL);
    APP_ERROR_CHECK(err_code);
}