squawk/core/utils/jammer.h
2024-12-14 01:53:04 +02:00

45 lines
1.3 KiB
C++

/*
* Squawk messenger.
* Copyright (C) 2019 Yury Gubich <blue@macaw.me>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <stdexcept>
#include <QByteArray>
#include <QString>
namespace Core {
class Jammer {
public:
static QString encrypt(const QString& plaintext, qint64 key);
static QString decrypt(const QString& ciphertext, qint64 key);
private:
Jammer() = delete;
static QByteArray process(const QByteArray& input, const QByteArray& key, bool encrypt);
static QByteArray intToKey(qint64 key, int keySize = 32);
static unsigned char* toUChar(QByteArray& data);
static const unsigned char* toUChar(const QByteArray& data);
static std::string getOpenSSLErrorString();
};
}