add encryption (#1002)

* add encryption

* add doc

* add doc

* fix bug

fastdeploy/encryption/util/include/log.h

@@ -0,0 +1,24 @@
+// Copyright (c) 2021 PaddlePaddle Authors. All Rights Reserved.
+//
+// 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
+
+#ifndef PADDLE_MODEL_PROTECT_UTIL_LOG_H
+#define PADDLE_MODEL_PROTECT_UTIL_LOG_H
+
+#include <stdio.h>
+namespace fastdeploy {
+#define LOGD(fmt, ...) \
+  printf("{%s:%u}:" fmt "\n", __FUNCTION__, __LINE__, ##__VA_ARGS__)
+}  // namespace fastdeploy
+#endif  // PADDLE_MODEL_PROTECT_UTIL_LOG_H