+/*
+ * Copyright 2016 Facebook, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <folly/Memory.h>
+#include <openssl/ssl.h>
+
+namespace folly {
+
+using X509_deleter = static_function_deleter<X509, &X509_free>;
+using X509_UniquePtr = std::unique_ptr<X509, X509_deleter>;
+
+using EVP_PKEY_deleter =
+ folly::static_function_deleter<EVP_PKEY, &EVP_PKEY_free>;
+using EVP_PKEY_UniquePtr = std::unique_ptr<EVP_PKEY, EVP_PKEY_deleter>;
+
+using SSL_deleter = folly::static_function_deleter<SSL, &SSL_free>;
+using SSL_UniquePtr = std::unique_ptr<SSL, SSL_deleter>;
+}