TRNG_SEED_LEN_BYTES
drbg_string_fill(&data, entropy, TRNG_SEED_LEN_BYTES);
ret = xtrng_collect_random_data(rng, entropy, TRNG_SEED_LEN_BYTES, true);
if (ret != TRNG_SEED_LEN_BYTES)
TRNG_SEED_LEN_BYTES, &seedlist, AES_BLOCK_SIZE,
TRNG_SEED_LEN_BYTES);
sb_size = crypto_drbg_ctr_df_datalen(TRNG_SEED_LEN_BYTES, AES_BLOCK_SIZE);