EVP_PKEY_new_CMAC_key
EVP_PKEY *EVP_PKEY_new_CMAC_key(ENGINE *e, const unsigned char *priv,
pkey = EVP_PKEY_new_CMAC_key(NULL, key, sizeof(key), EVP_aes_256_cbc());
pkey = EVP_PKEY_new_CMAC_key(e, cmackey, sizeof(cmackey),
pkey = EVP_PKEY_new_CMAC_key(e, badcmackey, sizeof(badcmackey),
key = EVP_PKEY_new_CMAC_key(NULL, expected->key, expected->key_len,