66 lines
No EOL
1.7 KiB
C++
66 lines
No EOL
1.7 KiB
C++
/*
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* This file is part of VoidArchiveTool.
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*
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* Copyright (C) 2025 Yanczi
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*
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* Void Archive Toolis free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <sodium.h>
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#include <vector>
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#include <array>
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#include <stdexcept>
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#include <fstream>
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#include <ctime>
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#include <iostream>
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#include <xxhash.h>
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#include <sstream>
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#include <iomanip>
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#include <algorithm>
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#include "DataStruct.h"
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class EncryptionManager
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{
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public:
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EncryptionManager();
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~EncryptionManager() = default;
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std::vector<char> encrypt(const std::vector<char>&);
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std::vector<char> decrypt(const std::vector<char>&);
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void saveKey(const std::string&, bool);
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void loadKey(const std::string&);
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private:
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std::array<unsigned char, crypto_stream_chacha20_ietf_KEYBYTES> key{};
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bool keyReady;
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void generateKeys();
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std::string toHex(const unsigned char*, size_t);
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void saveCppHeadFile(const std::string&);
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template <size_t N>
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std::array<unsigned char, N> toArray(const std::vector<char>& vec) {
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if (vec.size() < N) {
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throw std::runtime_error("Too small vector to convert to array");
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}
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std::array<unsigned char, N> arr{};
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std::memcpy(arr.data(), vec.data(), N);
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return arr;
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}
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}; |