45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
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/*
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* Squawk messenger.
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* Copyright (C) 2019 Yury Gubich <blue@macaw.me>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <stdexcept>
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#include <QByteArray>
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#include <QString>
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namespace Core {
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class Jammer {
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public:
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static QString encrypt(const QString& plaintext, qint64 key);
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static QString decrypt(const QString& ciphertext, qint64 key);
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private:
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Jammer() = delete;
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static QByteArray process(const QByteArray& input, const QByteArray& key, bool encrypt);
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static QByteArray intToKey(qint64 key, int keySize = 32);
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static unsigned char* toUChar(QByteArray& data);
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static const unsigned char* toUChar(const QByteArray& data);
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static std::string getOpenSSLErrorString();
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};
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}
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