return C._goboringcrypto_RSA_sign_raw(key, &outLen, base(out), C.size_t(len(out)),
				base(hashed), C.size_t(len(hashed)), C.GO_RSA_PKCS1_PADDING)
		}) == 0 {
			return nil, fail("RSA_sign_raw")
		}
		return out[:outLen], nil
	}

	md := cryptoHashToMD(h)
	if md == nil {
		return nil, errors.New("crypto/rsa: unsupported hash function: " + strconv.Itoa(int(h)))
	}