pkey_handler_verify_key
rc = pkey_handler_verify_key(kvk.seckey.seckey,
rc = pkey_handler_verify_key(tmpbuf, sizeof(*t),
rc = pkey_handler_verify_key(kkey, kvk.keylen,
EXPORT_SYMBOL(pkey_handler_verify_key);
int pkey_handler_verify_key(const u8 *key, u32 keylen,