modularization/src/tool/tool_getLicense/mainwindow.h

#ifndef MAINWINDOW_H
#define MAINWINDOW_H
#include <QCryptographicHash>
#include <QMainWindow>

QT_BEGIN_NAMESPACE
namespace Ui { class MainWindow; }
QT_END_NAMESPACE

class MainWindow : public QMainWindow
{
    Q_OBJECT

public:
    MainWindow(QWidget *parent = nullptr);
    ~MainWindow();
private slots:

    void on_pushButton_clicked();
private:
    Ui::MainWindow *ui;
    QString hashString(const QString &str) {
        QString strippedStr = str;
        strippedStr.remove(QChar('-'));
        QByteArray hashData = QCryptographicHash::hash(strippedStr.toUtf8(), QCryptographicHash::Sha256);
        QString hashedStr = QString::fromLatin1(hashData.toHex());
        return hashedStr;
    }
    QString caesarCipher(const QString &text, int shift) {
        QString result;
        const int alphabetSize = 26;
        const int digitSize = 10;

        for (const QChar &ch : text) {
            if (ch.isLetter()) {
                QChar base = ch.isLower() ? 'a' : 'A';
                result.append(QChar((ch.toLatin1() - base.toLatin1() + shift + alphabetSize) % alphabetSize + base.toLatin1()));
            } else if (ch.isDigit()) {
                result.append(QChar((ch.toLatin1() - '0' + shift + digitSize) % digitSize + '0'));
            } else {
                result.append(ch);
            }
        }

        return result;
    }
};
#endif // MAINWINDOW_H