crypto_key
extern int crypto_key(uintptr_t addr, uint_t flags, int argc, \
"print as crypto_key", crypto_key, NULL },
STRUCT_DECL(crypto_key, key);
crypto_key_t crypto_key;
crypto_key.ck_format = CRYPTO_KEY_RAW;
crypto_key.ck_data = sadb_key + 1;
crypto_key.ck_length = sadb_key->sadb_key_bits;
crypto_rc = crypto_key_check(&mech, &crypto_key);