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FalsinSoftFalsinSoft
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‎LICENSE

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‎Main.cpp

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#include "MainWindow.h"
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#include <QApplication>
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int main(int argc, char *argv[])
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{
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QApplication a(argc, argv);
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MainWindow w;
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w.show();
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return a.exec();
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}

‎MainWindow.cpp

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#include <QRandomGenerator64>
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#include <QFileDialog>
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#include <QMessageBox>
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#include <QTextStream>
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#include "MainWindow.h"
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#include "ui_MainWindow.h"
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#include "SimpleCrypt.h"
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MainWindow::MainWindow(QWidget *parent)
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: QMainWindow(parent)
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, ui(new Ui::MainWindow)
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{
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ui->setupUi(this);
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}
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MainWindow::~MainWindow()
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{
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delete ui;
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}
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void MainWindow::on_encrypt_clicked()
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{
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const QString text = ui->text->toPlainText().trimmed();
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const quint64 key = getKey();
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if(key > 0 && !text.isEmpty())
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{
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SimpleCrypt crypto(key);
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ui->text->setPlainText(crypto.encryptToString(text));
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}
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}
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void MainWindow::on_decrypt_pressed()
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{
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const QString text = ui->text->toPlainText().trimmed();
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const quint64 key = getKey();
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if(key > 0 && !text.isEmpty())
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{
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SimpleCrypt crypto(key);
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ui->text->setPlainText(crypto.decryptToString(text));
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}
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}
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void MainWindow::on_generateKey_clicked()
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{
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QRandomGenerator64 generator;
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ui->key->setText(QString::number(generator.generate(), 16).toUpper());
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}
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void MainWindow::on_loadFromFile_clicked()
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{
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const QString fileName = QFileDialog::getOpenFileName(this, tr("Open File"));
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if(!fileName.isEmpty())
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{
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QFile file(fileName);
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if(file.open(QIODevice::ReadOnly | QIODevice::Text))
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{
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ui->text->setPlainText(file.readAll());
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}
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else QMessageBox::warning(this,
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tr("Error"),
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tr("Unable to open file")
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);
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}
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}
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void MainWindow::on_saveToFile_clicked()
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{
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const QString fileName = QFileDialog::getSaveFileName(this, tr("Save File"));
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if(!fileName.isEmpty())
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{
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QFile file(fileName);
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if(file.open(QIODevice::WriteOnly | QIODevice::Text))
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{
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QTextStream outputStream(&file);
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outputStream << ui->text->toPlainText();
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}
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else QMessageBox::warning(this,
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tr("Error"),
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tr("Unable to save file")
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);
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}
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}
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quint64 MainWindow::getKey()
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{
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const quint64 key = ui->key->text().toULongLong(nullptr, 16);
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if(key == 0) QMessageBox::warning(this,
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tr("Warning"),
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tr("Please, insert a valid key")
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);
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return key;
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}

‎MainWindow.h

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#ifndef MAINWINDOW_H
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#define MAINWINDOW_H
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#include <QMainWindow>
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QT_BEGIN_NAMESPACE
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namespace Ui { class MainWindow; }
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QT_END_NAMESPACE
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class MainWindow : public QMainWindow
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{
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Q_OBJECT
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public:
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MainWindow(QWidget *parent = nullptr);
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~MainWindow();
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private slots:
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void on_generateKey_clicked();
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void on_loadFromFile_clicked();
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void on_saveToFile_clicked();
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void on_encrypt_clicked();
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void on_decrypt_pressed();
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private:
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Ui::MainWindow *ui;
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quint64 getKey();
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};
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#endif // MAINWINDOW_H

‎MainWindow.ui

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<?xml version="1.0" encoding="UTF-8"?>
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<ui version="4.0">
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<class>MainWindow</class>
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<widget class="QMainWindow" name="MainWindow">
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<property name="geometry">
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<rect>
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<x>0</x>
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<y>0</y>
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<width>800</width>
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<height>600</height>
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</rect>
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</property>
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<property name="windowTitle">
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<string>SimpleCryptGUI</string>
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</property>
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<property name="locale">
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<locale language="English" country="UnitedStates"/>
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</property>
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<widget class="QWidget" name="centralwidget">
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<layout class="QVBoxLayout" name="verticalLayout">
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<property name="spacing">
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<number>0</number>
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</property>
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<property name="leftMargin">
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<number>0</number>
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</property>
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<property name="topMargin">
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<number>0</number>
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</property>
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<property name="rightMargin">
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<number>0</number>
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</property>
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<property name="bottomMargin">
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<number>0</number>
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</property>
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<item>
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<widget class="QFrame" name="frame">
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<property name="frameShape">
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<enum>QFrame::StyledPanel</enum>
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</property>
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<property name="frameShadow">
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<enum>QFrame::Raised</enum>
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</property>
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<layout class="QHBoxLayout" name="horizontalLayout">
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<item>
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<widget class="QToolButton" name="loadFromFile">
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<property name="text">
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<string>Load from file</string>
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</property>
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<property name="icon">
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<iconset resource="SimpleCryptGUI.qrc">
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<normaloff>:/icons/LoadFromFile.svg</normaloff>:/icons/LoadFromFile.svg</iconset>
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</property>
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<property name="iconSize">
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<size>
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<width>32</width>
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<height>32</height>
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</size>
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</property>
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<property name="toolButtonStyle">
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<enum>Qt::ToolButtonTextUnderIcon</enum>
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</property>
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</widget>
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</item>
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<item>
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<widget class="QToolButton" name="saveToFile">
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<property name="text">
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<string>Save to file</string>
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</property>
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<property name="icon">
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<iconset resource="SimpleCryptGUI.qrc">
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<normaloff>:/icons/SaveToFile.svg</normaloff>:/icons/SaveToFile.svg</iconset>
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</property>
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<property name="iconSize">
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<size>
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<width>32</width>
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<height>32</height>
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</size>
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</property>
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<property name="toolButtonStyle">
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<enum>Qt::ToolButtonTextUnderIcon</enum>
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</property>
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</widget>
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</item>
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<item>
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<widget class="Line" name="line">
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<property name="orientation">
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<enum>Qt::Vertical</enum>
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</property>
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</widget>
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</item>
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<item>
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<widget class="QLabel" name="label">
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<property name="text">
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<string>Key</string>
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</property>
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</widget>
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</item>
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<item>
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<widget class="QLineEdit" name="key">
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<property name="sizePolicy">
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<sizepolicy hsizetype="Fixed" vsizetype="Fixed">
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<horstretch>0</horstretch>
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<verstretch>0</verstretch>
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</sizepolicy>
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</property>
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<property name="minimumSize">
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<size>
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<width>150</width>
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<height>0</height>
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</size>
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</property>
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<property name="inputMask">
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<string>HHHHHHHHHHHHHHHH</string>
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</property>
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</widget>
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</item>
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<item>
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<widget class="QToolButton" name="generateKey">
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<property name="text">
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<string>Generate</string>
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</property>
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<property name="icon">
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<iconset resource="SimpleCryptGUI.qrc">
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<normaloff>:/icons/Key.svg</normaloff>:/icons/Key.svg</iconset>
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</property>
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<property name="iconSize">
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<size>
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<width>32</width>
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<height>32</height>
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</size>
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</property>
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<property name="toolButtonStyle">
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<enum>Qt::ToolButtonTextUnderIcon</enum>
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</property>
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</widget>
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</item>
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<item>
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<widget class="Line" name="line_2">
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<property name="orientation">
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<enum>Qt::Vertical</enum>
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</property>
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</widget>
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</item>
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<item>
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<widget class="QToolButton" name="encrypt">
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<property name="text">
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<string>Encrypt</string>
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</property>
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<property name="icon">
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<iconset resource="SimpleCryptGUI.qrc">
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<normaloff>:/icons/Encrypt.svg</normaloff>:/icons/Encrypt.svg</iconset>
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</property>
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<property name="iconSize">
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<size>
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<width>32</width>
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<height>32</height>
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</size>
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</property>
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<property name="toolButtonStyle">
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<enum>Qt::ToolButtonTextUnderIcon</enum>
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</property>
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</widget>
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</item>
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<item>
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<widget class="QToolButton" name="decrypt">
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<property name="text">
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<string>Decrypt</string>
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</property>
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<property name="icon">
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<iconset resource="SimpleCryptGUI.qrc">
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<normaloff>:/icons/Decrypt.svg</normaloff>:/icons/Decrypt.svg</iconset>
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</property>
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<property name="iconSize">
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<size>
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<width>32</width>
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<height>32</height>
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</size>
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</property>
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<property name="toolButtonStyle">
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<enum>Qt::ToolButtonTextUnderIcon</enum>
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</property>
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</widget>
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</item>
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<item>
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<spacer name="horizontalSpacer">
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<property name="orientation">
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<enum>Qt::Horizontal</enum>
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</property>
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<property name="sizeHint" stdset="0">
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<size>
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<width>40</width>
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<height>20</height>
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</size>
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</property>
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</spacer>
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</item>
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</layout>
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</widget>
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</item>
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<item>
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<widget class="QPlainTextEdit" name="text">
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<property name="undoRedoEnabled">
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<bool>false</bool>
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</property>
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<property name="plainText">
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<string notr="true"/>
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</property>
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</widget>
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</item>
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</layout>
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</widget>
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</widget>
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<resources>
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<include location="SimpleCryptGUI.qrc"/>
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</resources>
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<connections/>
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</ui>

‎README.md

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# SimpleCryptGUI
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This is a very simple frontend GUI for use the [SimpleCrypt](https://wiki.qt.io/Simple_encryption_with_SimpleCrypt) Qt class for easily encrypt/decrypt text. The GUI allow to generate a random key and load/save text content from/to file.

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