572 lines
23 KiB
C#
572 lines
23 KiB
C#
/*
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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 nsoftware.SecureBlackbox;
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namespace PDFSignerDemo
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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.Label lbInputFile;
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private System.Windows.Forms.TextBox edInputFile;
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private System.Windows.Forms.Button sbBrowseInputFile;
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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 System.Windows.Forms.Button btnSign;
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private TextBox edOutputFile;
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private Button sbBrowseOutputFile;
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private Label label2;
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private SaveFileDialog dlgSave;
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public TextBox edTimestampServer;
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public CheckBox cbTimestamp;
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private ComboBox cbReason;
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private Label lReason;
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private TextBox edAuthor;
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private Label lAuthor;
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private Button btnBrowseCert;
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private TextBox edCertPassword;
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private TextBox edCertFile;
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private Label lCertPassword;
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private Label label6;
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private Label label7;
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private GroupBox groupBox5;
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private GroupBox groupBox7;
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private RadioButton rbWin32;
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private TextBox edWin32Store;
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private RadioButton rbPKCS11;
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private Button btnBrowsePKCS11;
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private TextBox edPKCS11PIN;
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private Label label1;
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private TextBox edPKCS11File;
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private RadioButton rbCertFile;
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private PDFSigner signer;
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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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signer = new PDFSigner();
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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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signer.Dispose();
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}
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}
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base.Dispose(disposing);
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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.lbInputFile = new System.Windows.Forms.Label();
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this.edInputFile = new System.Windows.Forms.TextBox();
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this.sbBrowseInputFile = new System.Windows.Forms.Button();
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this.btnSign = new System.Windows.Forms.Button();
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this.dlgOpen = new System.Windows.Forms.OpenFileDialog();
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this.edOutputFile = new System.Windows.Forms.TextBox();
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this.sbBrowseOutputFile = new System.Windows.Forms.Button();
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this.label2 = new System.Windows.Forms.Label();
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this.dlgSave = new System.Windows.Forms.SaveFileDialog();
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this.edTimestampServer = new System.Windows.Forms.TextBox();
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this.cbTimestamp = new System.Windows.Forms.CheckBox();
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this.cbReason = new System.Windows.Forms.ComboBox();
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this.lReason = new System.Windows.Forms.Label();
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this.edAuthor = new System.Windows.Forms.TextBox();
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this.lAuthor = new System.Windows.Forms.Label();
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this.btnBrowseCert = new System.Windows.Forms.Button();
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this.edCertPassword = new System.Windows.Forms.TextBox();
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this.edCertFile = new System.Windows.Forms.TextBox();
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this.lCertPassword = new System.Windows.Forms.Label();
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this.label6 = new System.Windows.Forms.Label();
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this.label7 = new System.Windows.Forms.Label();
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this.groupBox5 = new System.Windows.Forms.GroupBox();
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this.rbWin32 = new System.Windows.Forms.RadioButton();
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this.edWin32Store = new System.Windows.Forms.TextBox();
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this.rbPKCS11 = new System.Windows.Forms.RadioButton();
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this.btnBrowsePKCS11 = new System.Windows.Forms.Button();
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this.edPKCS11PIN = new System.Windows.Forms.TextBox();
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this.label1 = new System.Windows.Forms.Label();
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this.edPKCS11File = new System.Windows.Forms.TextBox();
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this.rbCertFile = new System.Windows.Forms.RadioButton();
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this.groupBox7 = new System.Windows.Forms.GroupBox();
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this.groupBox5.SuspendLayout();
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this.groupBox7.SuspendLayout();
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this.SuspendLayout();
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//
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// lbInputFile
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//
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this.lbInputFile.Location = new System.Drawing.Point(5, 33);
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this.lbInputFile.Name = "lbInputFile";
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this.lbInputFile.Size = new System.Drawing.Size(60, 13);
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this.lbInputFile.TabIndex = 0;
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this.lbInputFile.Text = "Input file:";
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//
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// edInputFile
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//
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this.edInputFile.Location = new System.Drawing.Point(70, 30);
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this.edInputFile.Name = "edInputFile";
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this.edInputFile.Size = new System.Drawing.Size(334, 20);
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this.edInputFile.TabIndex = 1;
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//
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// sbBrowseInputFile
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//
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this.sbBrowseInputFile.Location = new System.Drawing.Point(410, 27);
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this.sbBrowseInputFile.Name = "sbBrowseInputFile";
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this.sbBrowseInputFile.Size = new System.Drawing.Size(75, 25);
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this.sbBrowseInputFile.TabIndex = 2;
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this.sbBrowseInputFile.Text = "Browse...";
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this.sbBrowseInputFile.Click += new System.EventHandler(this.sbBrowseInputFile_Click);
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//
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// btnSign
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//
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this.btnSign.Location = new System.Drawing.Point(620, 438);
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this.btnSign.Name = "btnSign";
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this.btnSign.Size = new System.Drawing.Size(75, 25);
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this.btnSign.TabIndex = 8;
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this.btnSign.Text = "Sign";
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this.btnSign.Click += new System.EventHandler(this.btnSign_Click);
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//
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// edOutputFile
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//
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this.edOutputFile.Location = new System.Drawing.Point(70, 60);
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this.edOutputFile.Name = "edOutputFile";
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this.edOutputFile.Size = new System.Drawing.Size(334, 20);
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this.edOutputFile.TabIndex = 19;
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//
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// sbBrowseOutputFile
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//
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this.sbBrowseOutputFile.Location = new System.Drawing.Point(410, 57);
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this.sbBrowseOutputFile.Name = "sbBrowseOutputFile";
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this.sbBrowseOutputFile.Size = new System.Drawing.Size(75, 25);
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this.sbBrowseOutputFile.TabIndex = 20;
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this.sbBrowseOutputFile.Text = "Browse...";
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this.sbBrowseOutputFile.Click += new System.EventHandler(this.sbBrowseOutputFile_Click);
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//
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// label2
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//
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this.label2.Location = new System.Drawing.Point(5, 63);
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this.label2.Name = "label2";
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this.label2.Size = new System.Drawing.Size(60, 13);
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this.label2.TabIndex = 18;
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this.label2.Text = "Output file:";
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//
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// edTimestampServer
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//
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this.edTimestampServer.Location = new System.Drawing.Point(385, 70);
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this.edTimestampServer.Name = "edTimestampServer";
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this.edTimestampServer.Size = new System.Drawing.Size(295, 20);
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this.edTimestampServer.TabIndex = 27;
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this.edTimestampServer.Text = "http://";
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//
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// cbTimestamp
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//
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this.cbTimestamp.AutoSize = true;
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this.cbTimestamp.Location = new System.Drawing.Point(375, 50);
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this.cbTimestamp.Name = "cbTimestamp";
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this.cbTimestamp.Size = new System.Drawing.Size(207, 17);
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this.cbTimestamp.TabIndex = 26;
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this.cbTimestamp.Text = "Request a timestamp from TSA server:";
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//
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// cbReason
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//
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this.cbReason.Items.AddRange(new object[] {
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"I am the author of this document",
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"I agree to the terms defined by placement of my signature on this document",
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"I have reviewed this document",
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"I attest to the accuracy and integrity of this document",
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"I am approving this document"});
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this.cbReason.Location = new System.Drawing.Point(10, 69);
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this.cbReason.Name = "cbReason";
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this.cbReason.Size = new System.Drawing.Size(346, 21);
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this.cbReason.TabIndex = 31;
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this.cbReason.Text = "<none>";
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//
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// lReason
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//
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this.lReason.AutoSize = true;
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this.lReason.Location = new System.Drawing.Point(7, 48);
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this.lReason.Name = "lReason";
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this.lReason.Size = new System.Drawing.Size(98, 13);
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this.lReason.TabIndex = 30;
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this.lReason.Text = "Reason for signing:";
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//
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// edAuthor
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//
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this.edAuthor.Location = new System.Drawing.Point(88, 25);
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this.edAuthor.Name = "edAuthor";
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this.edAuthor.Size = new System.Drawing.Size(268, 20);
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this.edAuthor.TabIndex = 29;
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//
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// lAuthor
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//
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this.lAuthor.AutoSize = true;
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this.lAuthor.Location = new System.Drawing.Point(7, 28);
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this.lAuthor.Name = "lAuthor";
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this.lAuthor.Size = new System.Drawing.Size(77, 13);
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this.lAuthor.TabIndex = 28;
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this.lAuthor.Text = "Author\'s name:";
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//
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// btnBrowseCert
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//
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this.btnBrowseCert.Location = new System.Drawing.Point(285, 67);
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this.btnBrowseCert.Name = "btnBrowseCert";
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this.btnBrowseCert.Size = new System.Drawing.Size(75, 25);
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this.btnBrowseCert.TabIndex = 43;
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this.btnBrowseCert.Text = "Browse...";
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this.btnBrowseCert.Click += new System.EventHandler(this.btnBrowseCert_Click);
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//
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// edCertPassword
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//
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this.edCertPassword.Location = new System.Drawing.Point(480, 70);
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this.edCertPassword.Name = "edCertPassword";
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this.edCertPassword.PasswordChar = '*';
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this.edCertPassword.Size = new System.Drawing.Size(200, 20);
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this.edCertPassword.TabIndex = 42;
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//
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// edCertFile
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//
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this.edCertFile.Location = new System.Drawing.Point(20, 70);
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this.edCertFile.Name = "edCertFile";
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this.edCertFile.Size = new System.Drawing.Size(260, 20);
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this.edCertFile.TabIndex = 41;
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//
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// lCertPassword
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//
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this.lCertPassword.AutoSize = true;
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this.lCertPassword.Location = new System.Drawing.Point(372, 73);
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this.lCertPassword.Name = "lCertPassword";
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this.lCertPassword.Size = new System.Drawing.Size(105, 13);
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this.lCertPassword.TabIndex = 40;
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this.lCertPassword.Text = "Certificate password:";
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//
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// label6
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//
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this.label6.AutoSize = true;
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this.label6.Location = new System.Drawing.Point(7, 26);
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this.label6.Name = "label6";
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this.label6.Size = new System.Drawing.Size(91, 13);
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this.label6.TabIndex = 44;
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this.label6.Text = "Signing certificate";
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//
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// label7
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//
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this.label7.AutoSize = true;
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this.label7.ForeColor = System.Drawing.SystemColors.Highlight;
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this.label7.Location = new System.Drawing.Point(5, 5);
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this.label7.Name = "label7";
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this.label7.Size = new System.Drawing.Size(643, 13);
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this.label7.TabIndex = 45;
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this.label7.Text = "This sample illustrates the use of PDFSigner component for signing PDF documents." +
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" Please pick the signing certificate and click \'Sign\'. ";
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//
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// groupBox5
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//
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this.groupBox5.Controls.Add(this.rbWin32);
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this.groupBox5.Controls.Add(this.edWin32Store);
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this.groupBox5.Controls.Add(this.rbPKCS11);
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this.groupBox5.Controls.Add(this.btnBrowsePKCS11);
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this.groupBox5.Controls.Add(this.edPKCS11PIN);
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this.groupBox5.Controls.Add(this.label1);
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this.groupBox5.Controls.Add(this.edPKCS11File);
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this.groupBox5.Controls.Add(this.rbCertFile);
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this.groupBox5.Controls.Add(this.label6);
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this.groupBox5.Controls.Add(this.btnBrowseCert);
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this.groupBox5.Controls.Add(this.edCertPassword);
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this.groupBox5.Controls.Add(this.lCertPassword);
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this.groupBox5.Controls.Add(this.edCertFile);
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this.groupBox5.Location = new System.Drawing.Point(5, 95);
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this.groupBox5.Name = "groupBox5";
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this.groupBox5.Size = new System.Drawing.Size(690, 210);
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this.groupBox5.TabIndex = 46;
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this.groupBox5.TabStop = false;
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this.groupBox5.Text = "Signing options ";
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//
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// rbWin32
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//
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this.rbWin32.AutoSize = true;
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this.rbWin32.Location = new System.Drawing.Point(20, 150);
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this.rbWin32.Name = "rbWin32";
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this.rbWin32.Size = new System.Drawing.Size(97, 17);
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this.rbWin32.TabIndex = 55;
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this.rbWin32.Text = "Win32 storage:";
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this.rbWin32.UseVisualStyleBackColor = true;
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//
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// edWin32Store
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//
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this.edWin32Store.Location = new System.Drawing.Point(20, 170);
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this.edWin32Store.Name = "edWin32Store";
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this.edWin32Store.Size = new System.Drawing.Size(260, 20);
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this.edWin32Store.TabIndex = 52;
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this.edWin32Store.Text = "My";
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//
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// rbPKCS11
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//
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this.rbPKCS11.AutoSize = true;
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this.rbPKCS11.Location = new System.Drawing.Point(20, 100);
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this.rbPKCS11.Name = "rbPKCS11";
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this.rbPKCS11.Size = new System.Drawing.Size(122, 17);
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this.rbPKCS11.TabIndex = 50;
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this.rbPKCS11.Text = "PKCS11 storage file:";
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this.rbPKCS11.UseVisualStyleBackColor = true;
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//
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// btnBrowsePKCS11
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//
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this.btnBrowsePKCS11.Location = new System.Drawing.Point(285, 117);
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this.btnBrowsePKCS11.Name = "btnBrowsePKCS11";
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this.btnBrowsePKCS11.Size = new System.Drawing.Size(75, 25);
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this.btnBrowsePKCS11.TabIndex = 49;
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this.btnBrowsePKCS11.Text = "Browse...";
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this.btnBrowsePKCS11.Click += new System.EventHandler(this.btnBrowsePKCS11_Click);
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//
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// edPKCS11PIN
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//
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this.edPKCS11PIN.Location = new System.Drawing.Point(480, 120);
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this.edPKCS11PIN.Name = "edPKCS11PIN";
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this.edPKCS11PIN.PasswordChar = '*';
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this.edPKCS11PIN.Size = new System.Drawing.Size(200, 20);
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this.edPKCS11PIN.TabIndex = 48;
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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.Location = new System.Drawing.Point(372, 123);
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this.label1.Name = "label1";
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this.label1.Size = new System.Drawing.Size(28, 13);
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this.label1.TabIndex = 46;
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this.label1.Text = "PIN:";
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//
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// edPKCS11File
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//
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this.edPKCS11File.Location = new System.Drawing.Point(20, 120);
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this.edPKCS11File.Name = "edPKCS11File";
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this.edPKCS11File.Size = new System.Drawing.Size(260, 20);
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this.edPKCS11File.TabIndex = 47;
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//
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// rbCertFile
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//
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this.rbCertFile.AutoSize = true;
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this.rbCertFile.Checked = true;
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this.rbCertFile.Location = new System.Drawing.Point(20, 50);
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this.rbCertFile.Name = "rbCertFile";
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this.rbCertFile.Size = new System.Drawing.Size(91, 17);
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this.rbCertFile.TabIndex = 45;
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this.rbCertFile.TabStop = true;
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this.rbCertFile.Text = "Certificate file:";
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this.rbCertFile.UseVisualStyleBackColor = true;
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//
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// groupBox7
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//
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this.groupBox7.Controls.Add(this.lAuthor);
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this.groupBox7.Controls.Add(this.edAuthor);
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this.groupBox7.Controls.Add(this.lReason);
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this.groupBox7.Controls.Add(this.cbReason);
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this.groupBox7.Controls.Add(this.edTimestampServer);
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this.groupBox7.Controls.Add(this.cbTimestamp);
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this.groupBox7.Location = new System.Drawing.Point(5, 320);
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this.groupBox7.Name = "groupBox7";
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this.groupBox7.Size = new System.Drawing.Size(690, 101);
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this.groupBox7.TabIndex = 47;
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this.groupBox7.TabStop = false;
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this.groupBox7.Text = "Additional options ";
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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(699, 471);
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this.Controls.Add(this.groupBox7);
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this.Controls.Add(this.groupBox5);
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this.Controls.Add(this.label7);
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this.Controls.Add(this.edOutputFile);
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this.Controls.Add(this.sbBrowseOutputFile);
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this.Controls.Add(this.label2);
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this.Controls.Add(this.edInputFile);
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this.Controls.Add(this.btnSign);
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this.Controls.Add(this.sbBrowseInputFile);
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this.Controls.Add(this.lbInputFile);
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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 = "Simple PDF Signer demo";
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this.groupBox5.ResumeLayout(false);
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this.groupBox5.PerformLayout();
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this.groupBox7.ResumeLayout(false);
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this.groupBox7.PerformLayout();
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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 sbBrowseInputFile_Click(object sender, System.EventArgs e)
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{
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dlgOpen.InitialDirectory = Application.StartupPath;
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dlgOpen.FileName = edInputFile.Text;
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if (dlgOpen.ShowDialog() == DialogResult.OK)
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|
edInputFile.Text = dlgOpen.FileName;
|
|
}
|
|
|
|
private void sbBrowseOutputFile_Click(object sender, EventArgs e)
|
|
{
|
|
dlgSave.InitialDirectory = Application.StartupPath;
|
|
dlgSave.FileName = edInputFile.Text;
|
|
if (dlgSave.ShowDialog() == DialogResult.OK)
|
|
edOutputFile.Text = dlgSave.FileName;
|
|
}
|
|
|
|
private void btnBrowseCert_Click(object sender, EventArgs e)
|
|
{
|
|
if (dlgOpen.ShowDialog() == DialogResult.OK)
|
|
edCertFile.Text = dlgOpen.FileName;
|
|
}
|
|
|
|
private void btnBrowsePKCS11_Click(object sender, EventArgs e)
|
|
{
|
|
if (dlgOpen.ShowDialog() == DialogResult.OK)
|
|
edPKCS11File.Text = dlgOpen.FileName;
|
|
}
|
|
|
|
public Certificate LoadCertificate(string file, string password)
|
|
{
|
|
Certificate cert = null;
|
|
|
|
if (file.Length > 0)
|
|
{
|
|
try
|
|
{
|
|
CertificateManager certmanager = new CertificateManager();
|
|
|
|
certmanager.ImportFromFile(file, password);
|
|
|
|
cert = certmanager.Certificate;
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
MessageBox.Show("Cannot load certificate!");
|
|
}
|
|
}
|
|
|
|
return cert;
|
|
}
|
|
|
|
private void btnSign_Click(object sender, System.EventArgs e)
|
|
{
|
|
CertificateStorage certstorage = new CertificateStorage();
|
|
|
|
signer.InputFile = edInputFile.Text;
|
|
signer.OutputFile = edOutputFile.Text;
|
|
|
|
if (rbCertFile.Checked)
|
|
{
|
|
signer.SigningCertificate = LoadCertificate(edCertFile.Text, edCertPassword.Text);
|
|
}
|
|
else
|
|
{
|
|
try
|
|
{
|
|
if (rbPKCS11.Checked)
|
|
{
|
|
certstorage.Open("pkcs11://user:" + edPKCS11PIN.Text + "@/" + edPKCS11File.Text);
|
|
}
|
|
else
|
|
{
|
|
certstorage.Open("system://?store=" + edWin32Store.Text);
|
|
}
|
|
|
|
signer.SigningCertificate = certstorage.Certificates[0];
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
MessageBox.Show("Cannot load certificate!");
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (signer.SigningCertificate.KeyAlgorithm.Contains("id-dsa"))
|
|
{
|
|
MessageBox.Show("The certificate was found to contain a DSA key. The hash algorithm has been switched to SHA1.");
|
|
|
|
signer.NewSignature.HashAlgorithm = "SHA1";
|
|
}
|
|
|
|
signer.NewSignature.Level = PAdESSignatureLevels.paslBES;
|
|
signer.Widget.Invisible = false;
|
|
signer.IgnoreChainValidationErrors = true;
|
|
|
|
signer.NewSignature.AuthorName = edAuthor.Text;
|
|
|
|
if (String.Compare(cbReason.Text, "<none>") != 0)
|
|
signer.NewSignature.Reason = cbReason.Text;
|
|
else
|
|
signer.NewSignature.Reason = "";
|
|
|
|
if (cbTimestamp.Checked)
|
|
signer.TimestampServer = edTimestampServer.Text;
|
|
else
|
|
signer.TimestampServer = "";
|
|
|
|
try
|
|
{
|
|
signer.Sign();
|
|
|
|
MessageBox.Show("PDF file successfully signed");
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
MessageBox.Show(ex.Message);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|