hmac_sha224_preparekey
hmac_sha224_preparekey(HMAC_SHA224_KEY(tfm), raw_key, keylen);
hmac_sha224_preparekey(&k.sha224, raw_key, raw_key_len);
void hmac_sha224_preparekey(struct hmac_sha224_key *key,
EXPORT_SYMBOL_GPL(hmac_sha224_preparekey);
#define HMAC_PREPAREKEY hmac_sha224_preparekey