qt6 build

core/utils/jammer.h

@@ -0,0 +1,44 @@
+/*
+ * 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();
+};
+
+}