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Paddle/paddle/fluid/framework/io/crypto/aes_cipher.h

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// Copyright (c) 2020 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.
//
// 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 <string>
#include "paddle/fluid/framework/io/crypto/cipher.h"
namespace CryptoPP {
class StreamTransformationFilter;
class SymmetricCipher;
class AuthenticatedSymmetricCipher;
class AuthenticatedDecryptionFilter;
class AuthenticatedEncryptionFilter;
template <class CryptoppCipher>
class member_ptr;
} // namespace CryptoPP
namespace paddle {
namespace framework {
class AESCipher : public Cipher {
public:
AESCipher() = default;
~AESCipher() {}
std::string Encrypt(const std::string& input,
const std::string& key) override;
std::string Decrypt(const std::string& input,
const std::string& key) override;
void EncryptToFile(const std::string& input, const std::string& key,
const std::string& filename) override;
std::string DecryptFromFile(const std::string& key,
const std::string& filename) override;
void Init(const std::string& cipher_name, const int& iv_size,
const int& tag_size);
private:
std::string EncryptInternal(const std::string& plaintext,
const std::string& key);
std::string DecryptInternal(const std::string& ciphertext,
const std::string& key);
std::string AuthenticatedEncryptInternal(const std::string& plaintext,
const std::string& key);
std::string AuthenticatedDecryptInternal(const std::string& ciphertext,
const std::string& key);
void BuildCipher(
bool for_encrypt, bool* need_iv,
CryptoPP::member_ptr<CryptoPP::SymmetricCipher>* m_cipher,
CryptoPP::member_ptr<CryptoPP::StreamTransformationFilter>* m_filter);
void BuildAuthEncCipher(
bool* need_iv,
CryptoPP::member_ptr<CryptoPP::AuthenticatedSymmetricCipher>* m_cipher,
CryptoPP::member_ptr<CryptoPP::AuthenticatedEncryptionFilter>* m_filter);
void BuildAuthDecCipher(
bool* need_iv,
CryptoPP::member_ptr<CryptoPP::AuthenticatedSymmetricCipher>* m_cipher,
CryptoPP::member_ptr<CryptoPP::AuthenticatedDecryptionFilter>* m_filter);
std::string aes_cipher_name_;
int iv_size_;
int tag_size_;
std::string iv_;
bool is_authenticated_cipher_{false};
};
} // namespace framework
} // namespace paddle