414 lines
16 KiB
C#
414 lines
16 KiB
C#
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/*
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* SecureBlackbox 2024 .NET Edition - Sample Project
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*
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* This sample project demonstrates the usage of SecureBlackbox in a
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* simple, straightforward way. It is not intended to be a complete
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* application. Error handling and other checks are simplified for clarity.
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*
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* www.nsoftware.com/secureblackbox
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*
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* This code is subject to the terms and conditions specified in the
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* corresponding product license agreement which outlines the authorized
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* usage and restrictions.
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*
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*/
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using System;
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using System.Windows.Forms;
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using System.Collections.Generic;
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using nsoftware.SecureBlackbox;
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using System.IO;
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namespace XMLVerifierDemo
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{
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/// <summary>
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/// Summary description for frmMain.
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/// </summary>
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public class MainForm : System.Windows.Forms.Form
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{
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private System.Windows.Forms.OpenFileDialog dlgOpen;
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/// <summary>
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/// Required designer variable.
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/// </summary>
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private System.ComponentModel.Container components = null;
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private SignForm frmSign = null;
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private ReferencesForm frmReferences;
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private XMLVerifier verifier;
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private Label label1;
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private CheckBox cbDetached;
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private TextBox edDataFile;
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private Button sbBrowseDataFile;
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private Label lDataFile;
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private TextBox edXMLFile;
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private Button btnVerify;
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private Button sbBrowseXMLFile;
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private Label lbXMLFile;
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private Label label2;
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private List<ReferenceRes> ReferenceResult = new List<ReferenceRes>();
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public MainForm()
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{
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//
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// Required for Windows Form Designer support
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//
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InitializeComponent();
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//
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// TODO: Add any constructor code after InitializeComponent call
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//
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verifier = new XMLVerifier();
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verifier.OnReferenceValidated += new XMLVerifier.OnReferenceValidatedHandler(ReferenceValidated);
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verifier.OnSignatureFound += new XMLVerifier.OnSignatureFoundHandler(SignatureFound);
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frmSign = new SignForm(verifier);
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frmReferences = new ReferencesForm();
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}
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/// <summary>
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/// Clean up any resources being used.
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/// </summary>
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protected override void Dispose(bool disposing)
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{
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if (disposing)
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{
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if (components != null)
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{
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components.Dispose();
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frmSign.Dispose();
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frmReferences.Dispose();
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verifier.Dispose();
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}
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}
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base.Dispose(disposing);
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}
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private void ReferenceValidated(object s, XMLVerifierReferenceValidatedEventArgs e)
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{
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ReferenceResult.Add(new ReferenceRes() { Id = e.ID, Uri = e.URI, RefType = e.RefType, DigestValid = e.DigestValid });
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}
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private void SignatureFound(object s, XMLVerifierSignatureFoundEventArgs e)
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{
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if (e.CertFound)
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{
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e.ValidateSignature = true;
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}
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else
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{
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XMLSignature sig = verifier.Signatures[e.Index];
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switch (sig.CanonicalizationMethod)
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{
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case XMLCanonicalizationMethods.cxcmCanon:
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{
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frmSign.edCanonMethod.Text = "Canonical";
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break;
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}
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case XMLCanonicalizationMethods.cxcmCanonComment:
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{
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frmSign.edCanonMethod.Text = "Canonical with comments";
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break;
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}
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case XMLCanonicalizationMethods.cxcmCanon_v1_1:
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{
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frmSign.edCanonMethod.Text = "Canonical v1.1";
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break;
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}
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case XMLCanonicalizationMethods.cxcmCanonComment_v1_1:
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{
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frmSign.edCanonMethod.Text = "Canonical with comments v1.1";
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break;
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}
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case XMLCanonicalizationMethods.cxcmExclCanon:
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{
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frmSign.edCanonMethod.Text = "Exclusive canonical";
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break;
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}
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case XMLCanonicalizationMethods.cxcmExclCanonComment:
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{
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frmSign.edCanonMethod.Text = "Exclusive canonical with comments";
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break;
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}
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case XMLCanonicalizationMethods.cxcmMinCanon:
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{
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frmSign.edCanonMethod.Text = "Minimal canonical";
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break;
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}
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default:
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{
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frmSign.edCanonMethod.Text = "Unknown";
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break;
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}
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}
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frmSign.edHashAlgorithm.Text = sig.HashAlgorithm;
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frmSign.edKeyName.Text = verifier.Config("KeyName");
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frmSign.UpdateCertificates();
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if (frmSign.ShowDialog() == DialogResult.OK)
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{
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e.ValidateSignature = true;
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}
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else
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{
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e.ValidateSignature = false;
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}
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}
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}
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#region Windows Form Designer generated code
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/// <summary>
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/// Required method for Designer support - do not modify
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/// the contents of this method with the code editor.
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/// </summary>
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private void InitializeComponent()
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{
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this.dlgOpen = new System.Windows.Forms.OpenFileDialog();
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this.label1 = new System.Windows.Forms.Label();
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this.cbDetached = new System.Windows.Forms.CheckBox();
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this.edDataFile = new System.Windows.Forms.TextBox();
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this.sbBrowseDataFile = new System.Windows.Forms.Button();
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this.lDataFile = new System.Windows.Forms.Label();
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this.edXMLFile = new System.Windows.Forms.TextBox();
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this.btnVerify = new System.Windows.Forms.Button();
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this.sbBrowseXMLFile = new System.Windows.Forms.Button();
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this.lbXMLFile = new System.Windows.Forms.Label();
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this.label2 = new System.Windows.Forms.Label();
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this.SuspendLayout();
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//
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// label1
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//
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this.label1.AutoSize = true;
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this.label1.ForeColor = System.Drawing.SystemColors.Highlight;
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this.label1.Location = new System.Drawing.Point(8, 6);
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this.label1.Name = "label1";
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this.label1.Size = new System.Drawing.Size(389, 13);
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this.label1.TabIndex = 30;
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this.label1.Text = "This sample illustrates processing of XML-SIG signatures with XMLVerifier control" +
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".";
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//
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// cbDetached
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//
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this.cbDetached.AutoSize = true;
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this.cbDetached.Location = new System.Drawing.Point(13, 81);
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this.cbDetached.Name = "cbDetached";
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this.cbDetached.Size = new System.Drawing.Size(73, 17);
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this.cbDetached.TabIndex = 29;
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this.cbDetached.Text = "Detached";
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this.cbDetached.UseVisualStyleBackColor = true;
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this.cbDetached.CheckedChanged += new System.EventHandler(this.cbDetached_CheckedChanged);
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//
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// edDataFile
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//
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this.edDataFile.Enabled = false;
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this.edDataFile.Location = new System.Drawing.Point(66, 103);
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this.edDataFile.Name = "edDataFile";
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this.edDataFile.Size = new System.Drawing.Size(284, 20);
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this.edDataFile.TabIndex = 27;
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//
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// sbBrowseDataFile
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//
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this.sbBrowseDataFile.Enabled = false;
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this.sbBrowseDataFile.Location = new System.Drawing.Point(356, 100);
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this.sbBrowseDataFile.Name = "sbBrowseDataFile";
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this.sbBrowseDataFile.Size = new System.Drawing.Size(75, 25);
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this.sbBrowseDataFile.TabIndex = 28;
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this.sbBrowseDataFile.Text = "Browse ...";
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this.sbBrowseDataFile.Click += new System.EventHandler(this.sbBrowseDataFile_Click);
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//
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// lDataFile
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//
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this.lDataFile.AutoSize = true;
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this.lDataFile.Enabled = false;
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this.lDataFile.Location = new System.Drawing.Point(11, 106);
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this.lDataFile.Name = "lDataFile";
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this.lDataFile.Size = new System.Drawing.Size(49, 13);
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this.lDataFile.TabIndex = 26;
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this.lDataFile.Text = "Data file:";
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//
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// edXMLFile
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//
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this.edXMLFile.Location = new System.Drawing.Point(66, 51);
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this.edXMLFile.Name = "edXMLFile";
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this.edXMLFile.Size = new System.Drawing.Size(284, 20);
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this.edXMLFile.TabIndex = 23;
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//
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// btnVerify
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//
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this.btnVerify.Location = new System.Drawing.Point(356, 149);
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this.btnVerify.Name = "btnVerify";
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this.btnVerify.Size = new System.Drawing.Size(75, 25);
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this.btnVerify.TabIndex = 25;
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this.btnVerify.Text = "Verify";
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this.btnVerify.Click += new System.EventHandler(this.btnVerify_Click);
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//
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// sbBrowseXMLFile
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//
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this.sbBrowseXMLFile.Location = new System.Drawing.Point(356, 48);
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this.sbBrowseXMLFile.Name = "sbBrowseXMLFile";
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this.sbBrowseXMLFile.Size = new System.Drawing.Size(75, 25);
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this.sbBrowseXMLFile.TabIndex = 24;
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this.sbBrowseXMLFile.Text = "Browse ...";
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this.sbBrowseXMLFile.Click += new System.EventHandler(this.sbBrowseXMLFile_Click);
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//
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// lbXMLFile
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//
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this.lbXMLFile.AutoSize = true;
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this.lbXMLFile.Location = new System.Drawing.Point(10, 54);
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this.lbXMLFile.Name = "lbXMLFile";
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this.lbXMLFile.Size = new System.Drawing.Size(50, 13);
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this.lbXMLFile.TabIndex = 22;
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this.lbXMLFile.Text = "Input file:";
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//
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// label2
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//
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this.label2.AutoSize = true;
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this.label2.ForeColor = System.Drawing.SystemColors.Highlight;
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this.label2.Location = new System.Drawing.Point(8, 22);
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this.label2.Name = "label2";
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this.label2.Size = new System.Drawing.Size(236, 13);
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this.label2.TabIndex = 31;
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this.label2.Text = "Please select a signed XML file and click \'Verify\'.";
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//
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// MainForm
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//
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this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
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this.ClientSize = new System.Drawing.Size(440, 185);
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this.Controls.Add(this.label2);
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this.Controls.Add(this.label1);
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this.Controls.Add(this.cbDetached);
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this.Controls.Add(this.edDataFile);
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this.Controls.Add(this.sbBrowseDataFile);
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this.Controls.Add(this.lDataFile);
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this.Controls.Add(this.edXMLFile);
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this.Controls.Add(this.btnVerify);
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this.Controls.Add(this.sbBrowseXMLFile);
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this.Controls.Add(this.lbXMLFile);
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this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;
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this.MaximizeBox = false;
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this.Name = "MainForm";
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this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
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this.Text = "XML Verifier Demo";
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this.ResumeLayout(false);
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this.PerformLayout();
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}
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#endregion
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/// <summary>
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/// The main entry point for the application.
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/// </summary>
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[STAThread]
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static void Main()
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{
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Application.Run(new MainForm());
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}
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private void sbBrowseXMLFile_Click(object sender, System.EventArgs e)
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{
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dlgOpen.InitialDirectory = Application.StartupPath;
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dlgOpen.FileName = edXMLFile.Text;
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if (dlgOpen.ShowDialog() == DialogResult.OK)
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edXMLFile.Text = dlgOpen.FileName;
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}
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private void btnVerify_Click(object sender, EventArgs e)
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{
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try
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{
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ReferenceResult.Clear();
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verifier.KnownCertificates.Clear();
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verifier.InputFile = edXMLFile.Text;
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if (cbDetached.Checked)
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{
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verifier.DataFile = edDataFile.Text;
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verifier.DataType = XMLVerifierDataTypes.cxdtBinary;
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verifier.DataURI = Path.GetFileName(edDataFile.Text);
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verifier.VerifyDetached();
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}
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else
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verifier.Verify();
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if (verifier.Signatures.Count == 0)
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MessageBox.Show("Signature not found", "", MessageBoxButtons.OK, MessageBoxIcon.Information);
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for (int i = 0; i < verifier.Signatures.Count; i++)
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{
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XMLSignature sig = verifier.Signatures[i];
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switch (sig.SignatureValidationResult)
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{
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case SignatureValidities.svtSignerNotFound:
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{
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MessageBox.Show("Signer not found", "", MessageBoxButtons.OK, MessageBoxIcon.Error);
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break;
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}
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case SignatureValidities.svtFailure:
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{
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MessageBox.Show("Signature verification failed", "", MessageBoxButtons.OK, MessageBoxIcon.Error);
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break;
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}
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case SignatureValidities.svtCorrupted:
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{
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MessageBox.Show("Signature is invalid", "", MessageBoxButtons.OK, MessageBoxIcon.Error);
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break;
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}
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case SignatureValidities.svtReferenceCorrupted:
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{
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if (MessageBox.Show("Signature has invalid references.\r\nDo you want to see the result of verifying references?", "", MessageBoxButtons.YesNo, MessageBoxIcon.Error) == DialogResult.Yes)
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{
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frmReferences.Update(ReferenceResult);
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frmReferences.ShowDialog();
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}
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break;
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}
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case SignatureValidities.svtValid:
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{
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if (MessageBox.Show("Signature validated successfully.\r\nDo you want to see the result of verifying references?", "", MessageBoxButtons.YesNo, MessageBoxIcon.Information) == DialogResult.Yes)
|
||
|
|
{
|
||
|
|
frmReferences.Update(ReferenceResult);
|
||
|
|
frmReferences.ShowDialog();
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
default:
|
||
|
|
MessageBox.Show("Unknown signature validation result", "", MessageBoxButtons.OK, MessageBoxIcon.Error);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
catch (Exception ex)
|
||
|
|
{
|
||
|
|
MessageBox.Show(ex.Message);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private void cbDetached_CheckedChanged(object sender, EventArgs e)
|
||
|
|
{
|
||
|
|
edDataFile.Enabled = cbDetached.Checked;
|
||
|
|
sbBrowseDataFile.Enabled = cbDetached.Checked;
|
||
|
|
lDataFile.Enabled = cbDetached.Checked;
|
||
|
|
}
|
||
|
|
|
||
|
|
private void sbBrowseDataFile_Click(object sender, EventArgs e)
|
||
|
|
{
|
||
|
|
dlgOpen.InitialDirectory = Application.StartupPath;
|
||
|
|
dlgOpen.FileName = edDataFile.Text;
|
||
|
|
if (dlgOpen.ShowDialog() == DialogResult.OK)
|
||
|
|
edDataFile.Text = dlgOpen.FileName;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public class ReferenceRes
|
||
|
|
{
|
||
|
|
public string Id { get; set; }
|
||
|
|
public string Uri { get; set; }
|
||
|
|
public string RefType { get; set; }
|
||
|
|
public bool DigestValid { get; set; }
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|