hmac_sha384_preparekey
hmac_sha384_preparekey(HMAC_SHA384_KEY(tfm), raw_key, keylen);
hmac_sha384_preparekey(&k.sha384, raw_key, raw_key_len);
void hmac_sha384_preparekey(struct hmac_sha384_key *key,
EXPORT_SYMBOL_GPL(hmac_sha384_preparekey);
#define HMAC_PREPAREKEY hmac_sha384_preparekey