crypto_rng_reset
return crypto_rng_reset(pctx->drng, seed, seedlen);
err = crypto_rng_reset(rng, NULL, crypto_rng_seedsize(rng));
EXPORT_SYMBOL_GPL(crypto_rng_reset);
return crypto_rng_reset(drng, pers->buf, pers->len);
int crypto_rng_reset(struct crypto_rng *tfm, const u8 *seed,