346 lines
14 KiB
C#
346 lines
14 KiB
C#
using System;
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using System.IO;
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using System.IO.Compression;
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using System.Numerics;
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using System.Windows.Forms;
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namespace KRY_0x04
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{
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class LogicHandler
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{
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Dsapls dsapls = new Dsapls();
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internal void load_msg(RichTextBox msgbox, TextBox msgpathbox, TextBox msgdetailsbox)
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{
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using (OpenFileDialog dlg = new OpenFileDialog())
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{
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dlg.Title = "pick a msg";
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/* freedom for all */
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dlg.Filter = "message (*.msg)|*.msg|custom (*.*)|*.*";
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if (dlg.ShowDialog() == DialogResult.OK)
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{
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msgbox.Text = File.ReadAllText(dlg.FileName);
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msgpathbox.Text = dlg.FileName;
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string f = dlg.FileName;
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msgdetailsbox.Text = dsapls.get_file_metrics(f);
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}
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}
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}
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internal void save_msg(RichTextBox msgbox)
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{
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if (msgbox.Text == "")
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{
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MessageBox.Show("you've nothing to dump, friend ()");
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return;
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}
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SaveFileDialog saveFileDialog1 = new SaveFileDialog();
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saveFileDialog1.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.Desktop);
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saveFileDialog1.Title = "export msg";
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saveFileDialog1.CheckFileExists = false;
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saveFileDialog1.CheckPathExists = false;
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saveFileDialog1.DefaultExt = "";
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saveFileDialog1.Filter = "msg (*.msg)|*.msg|any file you wish (*.*)|*.*";
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saveFileDialog1.FilterIndex = 2;
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saveFileDialog1.RestoreDirectory = true;
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if (saveFileDialog1.ShowDialog() == DialogResult.OK)
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{
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try
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{
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File.WriteAllText(saveFileDialog1.FileName, msgbox.Text);
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MessageBox.Show($"saved to {saveFileDialog1.FileName}", "gj, file saved!", MessageBoxButtons.OK, MessageBoxIcon.Information);
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}
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catch (Exception ex)
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{
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MessageBox.Show("error: " + ex.ToString(), "this didn't work...", MessageBoxButtons.OK, MessageBoxIcon.Error);
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}
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}
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}
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internal void compute_sha256(TextBox msgpathbox, TextBox computedshabox)
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{
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if (msgpathbox.Text != "")
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{
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computedshabox.Text = dsapls.sha256sum(msgpathbox.Text);
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computedshabox.BorderStyle = BorderStyle.Fixed3D;
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}
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else
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{
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MessageBox.Show("please first load a file, thanks", "why are you doing this to me");
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return;
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}
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}
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internal void load_privkey(RichTextBox privkeybox, TextBox privkeypathbox)
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{
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using (OpenFileDialog dlg = new OpenFileDialog())
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{
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dlg.Title = "pick a privkey";
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/* freedom for all */
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dlg.Filter = "private key (*.pri)|*.pri|custom (*.*)|*.*";
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if (dlg.ShowDialog() == DialogResult.OK)
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{
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privkeybox.Text = File.ReadAllText(dlg.FileName);
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privkeypathbox.Text = dlg.FileName;
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}
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}
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}
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internal void load_pubkey(RichTextBox pubkeybox, TextBox pubkeypathbox)
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{
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using (OpenFileDialog dlg = new OpenFileDialog())
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{
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dlg.Title = "pick a pubkey";
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/* freedom for all */
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dlg.Filter = "public key (*.pub)|*.pub|custom (*.*)|*.*";
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if (dlg.ShowDialog() == DialogResult.OK)
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{
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pubkeybox.Text = File.ReadAllText(dlg.FileName);
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pubkeypathbox.Text = dlg.FileName;
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}
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}
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}
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internal void save_sha256(TextBox computedshabox)
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{
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if (computedshabox.Text == "")
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{
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MessageBox.Show("you've nothing to dump, friend ()");
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return;
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}
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SaveFileDialog saveFileDialog = new SaveFileDialog();
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saveFileDialog.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.Desktop);
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saveFileDialog.Title = "export checksum";
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saveFileDialog.CheckFileExists = false;
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saveFileDialog.CheckPathExists = false;
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saveFileDialog.DefaultExt = "";
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saveFileDialog.Filter = "sha256sum (*.sha256sum)|*.sha256sum|any file you wish (*.*)|*.*";
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saveFileDialog.FilterIndex = 2;
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saveFileDialog.RestoreDirectory = true;
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if (saveFileDialog.ShowDialog() == DialogResult.OK)
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{
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try
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{
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File.WriteAllText(saveFileDialog.FileName, computedshabox.Text);
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MessageBox.Show($"saved to {saveFileDialog.FileName}", "gj, file saved!", MessageBoxButtons.OK, MessageBoxIcon.Information);
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}
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catch (Exception ex)
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{
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MessageBox.Show("error: " + ex.ToString(), "this didn't work...", MessageBoxButtons.OK, MessageBoxIcon.Error);
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}
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}
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}
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internal void load_sha256(TextBox loadedshabox)
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{
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using (OpenFileDialog dlg = new OpenFileDialog())
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{
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dlg.Title = "pick a sha256sum";
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/* freedom for all */
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dlg.Filter = "sha256sum (*.sha256sum)|*.sha256sum|custom (*.*)|*.*";
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if (dlg.ShowDialog() == DialogResult.OK)
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{
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loadedshabox.Text = File.ReadAllText(dlg.FileName);
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}
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}
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}
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internal void do_zip(RichTextBox msgbox, TextBox msgpathbox)
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{
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if (msgpathbox.Text == "")
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{
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MessageBox.Show("load a msg file first, please", "oh hey");
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return;
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}
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using (FolderBrowserDialog dlg = new FolderBrowserDialog())
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{
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dlg.Description = "choose a folder to zip";
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if (dlg.ShowDialog() == DialogResult.OK)
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{
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string pathTo_dirToZip = dlg.SelectedPath;
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using (SaveFileDialog dlggg = new SaveFileDialog())
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{
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dlggg.Title = "where to save text of earlier specified msg";
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dlggg.Filter = "msg in windows-recognizable text file ending with \"txt\" (*.txt)|*.txt|custom (*.*)|*.*";
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if (dlggg.ShowDialog() == DialogResult.OK)
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{
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string path_to_msg = dlggg.FileName;
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if (path_to_msg == "")
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{
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MessageBox.Show("please specify a path first", "not this again, come on");
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return;
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}
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Directory.CreateDirectory(pathTo_dirToZip);
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/* TODO - needs fixing */
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File.WriteAllText(path_to_msg, msgbox.Text);
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try
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{
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if (File.Exists(pathTo_dirToZip + "zipfile.zip"))
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{
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MessageBox.Show($"file exists: {pathTo_dirToZip + "zipfile.zip"}\ndeleting", "ayy");
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File.Delete(pathTo_dirToZip + "zipfile.zip");
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}
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ZipFile.CreateFromDirectory(pathTo_dirToZip, pathTo_dirToZip + "zipfile.zip");
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MessageBox.Show("great success!", "gj, zip created");
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}
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catch (IOException exception)
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{
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MessageBox.Show("error: " + exception.ToString(), "error", MessageBoxButtons.OK, MessageBoxIcon.Error);
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}
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}
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}
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}
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}
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}
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internal void do_unzip()
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{
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using (OpenFileDialog dlg = new OpenFileDialog())
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{
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dlg.Title = "choose a zip file to unzip";
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dlg.Filter = "zip (*.zip)|*.zip|custom (*.*)|*.*";
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if (dlg.ShowDialog() == DialogResult.OK)
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{
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string zipfile = dlg.FileName;
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using (FolderBrowserDialog dlgg = new FolderBrowserDialog())
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{
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dlgg.Description = "select folder to unzip the zip to yeeeaaah";
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if (dlgg.ShowDialog() == DialogResult.OK)
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{
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string pathTo_UnzippedDir = dlgg.SelectedPath;
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if (Directory.Exists(pathTo_UnzippedDir))
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{
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pathTo_UnzippedDir = pathTo_UnzippedDir + "-NEW-" + DateTime.Now.ToString("yyyyMMddTHHmmss");
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MessageBox.Show("dir exists, created a new one with the same name + date", "just so you know");
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Directory.CreateDirectory(pathTo_UnzippedDir);
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}
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try
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{
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ZipFile.ExtractToDirectory(zipfile, pathTo_UnzippedDir);
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MessageBox.Show("great success!", "gj, archive unzipped");
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}
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catch (IOException exc)
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{
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MessageBox.Show("error: " + exc.ToString(), "error", MessageBoxButtons.OK, MessageBoxIcon.Error);
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}
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}
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}
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}
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}
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}
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internal void do_sign(RichTextBox msgbox, RichTextBox privkeybox, RichTextBox pubkeybox, TextBox computedshabox)
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{
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if (msgbox.Text == "" || privkeybox.Text == "" || pubkeybox.Text == "" || computedshabox.Text == "")
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{
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MessageBox.Show("please, fill in all of the required fields");
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return;
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}
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SaveFileDialog saveFileDialog1 = new SaveFileDialog();
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saveFileDialog1.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.Desktop);
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string[] keys = privkeybox.Text.Split(' ');
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MessageBox.Show("we good?");
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Console.WriteLine(BigInteger.Parse(keys[1]));
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Console.WriteLine(BigInteger.Parse(keys[0]));
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string signed = Convert.ToString(BigInteger.ModPow(dsapls.return_bigint_representation_of_message(computedshabox.Text), BigInteger.Parse(keys[1]), BigInteger.Parse(keys[0])));
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saveFileDialog1.Title = ".sign";
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saveFileDialog1.CheckFileExists = false;
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saveFileDialog1.CheckPathExists = false;
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saveFileDialog1.DefaultExt = "";
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saveFileDialog1.FilterIndex = 2;
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saveFileDialog1.RestoreDirectory = true;
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if (saveFileDialog1.ShowDialog() == DialogResult.OK)
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{
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try
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{
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File.WriteAllText(saveFileDialog1.FileName, signed);
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MessageBox.Show($"saved to {saveFileDialog1.FileName}", "gj, file saved!", MessageBoxButtons.OK, MessageBoxIcon.Information);
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}
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catch (Exception ex)
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{
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MessageBox.Show("error: " + ex.ToString(), "this didn't work...", MessageBoxButtons.OK, MessageBoxIcon.Error);
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}
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}
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}
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internal void do_verify(RichTextBox pubkeybox)
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{
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string[] keys = pubkeybox.Text.Split(' ');
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string verified = "";
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string orig_message = "";
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using (OpenFileDialog dlg = new OpenFileDialog())
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{
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dlg.Title = "pick a .sign file";
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/* freedom for all */
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dlg.Filter = "sign file (*.sign)|*.sign|custom (*.*)|*.*";
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MessageBox.Show("we still good");
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if (dlg.ShowDialog() == DialogResult.OK)
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{
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try
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{
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verified = dsapls.return_string_representation_of_bigint(BigInteger.ModPow(BigInteger.Parse(File.ReadAllText(dlg.FileName)), BigInteger.Parse(keys[1]), BigInteger.Parse(keys[0])));
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}
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catch (Exception excep)
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{
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MessageBox.Show("error: " + excep.ToString(), "this didn't work...", MessageBoxButtons.OK, MessageBoxIcon.Error);
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}
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}
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}
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using (OpenFileDialog dlg = new OpenFileDialog())
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{
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dlg.Title = "pick a .msg file";
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/* freedom for all */
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dlg.Filter = "msg file (*.msg)|*.msg|custom (*.*)|*.*";
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if (dlg.ShowDialog() == DialogResult.OK)
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{
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try
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{
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orig_message = dlg.FileName;
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}
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catch (Exception excep)
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{
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MessageBox.Show("error: " + excep.ToString(), "this didn't work...", MessageBoxButtons.OK, MessageBoxIcon.Error);
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}
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}
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}
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if (dsapls.sha256sum(orig_message) == verified)
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{
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MessageBox.Show($"{dsapls.sha256sum(orig_message)} == {verified}", "we good");
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}
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else
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{
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Console.WriteLine($"orig message: {orig_message}");
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Console.WriteLine($"verif message: {verified}");
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MessageBox.Show($"something is seriously wrong\n{dsapls.sha256sum(orig_message)} != {verified}", "checksums differ!", MessageBoxButtons.OK, MessageBoxIcon.Warning);
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}
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}
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}
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}
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