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101 lines
3.5 KiB
101 lines
3.5 KiB
// Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include <string>
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#include "paddle/fluid/framework/io/crypto/cipher.h"
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namespace CryptoPP {
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class StreamTransformationFilter;
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class SymmetricCipher;
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class AuthenticatedSymmetricCipher;
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class AuthenticatedDecryptionFilter;
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class AuthenticatedEncryptionFilter;
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template <class CryptoppCipher>
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class member_ptr;
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} // namespace CryptoPP
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namespace paddle {
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namespace framework {
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class AESCipher : public Cipher {
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public:
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AESCipher() = default;
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~AESCipher() {}
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std::string Encrypt(const std::string& input,
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const std::string& key) override;
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std::string Decrypt(const std::string& input,
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const std::string& key) override;
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void EncryptToFile(const std::string& input, const std::string& key,
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const std::string& filename) override;
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std::string DecryptFromFile(const std::string& key,
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const std::string& filename) override;
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void Init(const std::string& cipher_name, const int& iv_size,
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const int& tag_size);
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private:
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std::string EncryptInternal(const std::string& plaintext,
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const std::string& key);
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std::string DecryptInternal(const std::string& ciphertext,
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const std::string& key);
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std::string AuthenticatedEncryptInternal(const std::string& plaintext,
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const std::string& key);
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std::string AuthenticatedDecryptInternal(const std::string& ciphertext,
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const std::string& key);
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void BuildCipher(
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bool for_encrypt, bool* need_iv,
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CryptoPP::member_ptr<CryptoPP::SymmetricCipher>* m_cipher,
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CryptoPP::member_ptr<CryptoPP::StreamTransformationFilter>* m_filter);
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void BuildAuthEncCipher(
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bool* need_iv,
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CryptoPP::member_ptr<CryptoPP::AuthenticatedSymmetricCipher>* m_cipher,
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CryptoPP::member_ptr<CryptoPP::AuthenticatedEncryptionFilter>* m_filter);
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void BuildAuthDecCipher(
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bool* need_iv,
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CryptoPP::member_ptr<CryptoPP::AuthenticatedSymmetricCipher>* m_cipher,
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CryptoPP::member_ptr<CryptoPP::AuthenticatedDecryptionFilter>* m_filter);
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std::string aes_cipher_name_;
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int iv_size_;
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int tag_size_;
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std::string iv_;
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bool is_authenticated_cipher_{false};
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};
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} // namespace framework
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} // namespace paddle
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