radius_encrypt_mppe_key_attr
int radius_encrypt_mppe_key_attr(void *, size_t *,
if (radius_encrypt_mppe_key_attr(cipher, &clen, buf, len,
CHECK(radius_encrypt_mppe_key_attr(cipher, &clen, plainkey, 16, ra, "hogehogefugafuga") == 0);
CHECK(radius_encrypt_mppe_key_attr(cipher, &clen, plainkey, 16, ra, "hogehogefugafuga") != 0);