hmac_sha256
hmac_sha256(HMAC_SHA256_KEY(desc->tfm), data, len, out);
void hmac_sha256(const struct hmac_sha256_key *key,
EXPORT_SYMBOL_GPL(hmac_sha256);
#define HMAC hmac_sha256
hmac_sha256(&key->hmac_key, buf, buf_len, hmac);
hmac_sha256(&hinfo->key.sha256, ring, plen, output);
hmac_sha256(&ep->cookie_auth_key, (const u8 *)&cookie->c,
hmac_sha256(&ep->cookie_auth_key, (const u8 *)bear_cookie,