502 lines
20 KiB
C#
502 lines
20 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 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 CheckBox cbVisible;
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private Label label1;
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private ComboBox cbLevel;
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private Button btnLoadCert;
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private TextBox edStoragePIN;
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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 ListView lvCerts;
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private ColumnHeader chSubject;
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private ColumnHeader chIssuer;
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private ColumnHeader chValidFrom;
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private ColumnHeader chValidTo;
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private ColumnHeader chAlgorithm;
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private PDFSigner signer;
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private OpenFileDialog dlgOpenDLL;
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private CertificateStorage certstorage;
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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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certstorage = new CertificateStorage();
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cbLevel.SelectedIndex = 1;
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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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certstorage.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.cbVisible = new System.Windows.Forms.CheckBox();
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this.label1 = new System.Windows.Forms.Label();
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this.cbLevel = new System.Windows.Forms.ComboBox();
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this.btnLoadCert = new System.Windows.Forms.Button();
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this.edStoragePIN = new System.Windows.Forms.TextBox();
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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.lvCerts = new System.Windows.Forms.ListView();
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this.chSubject = ((System.Windows.Forms.ColumnHeader)(new System.Windows.Forms.ColumnHeader()));
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this.chIssuer = ((System.Windows.Forms.ColumnHeader)(new System.Windows.Forms.ColumnHeader()));
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this.chValidFrom = ((System.Windows.Forms.ColumnHeader)(new System.Windows.Forms.ColumnHeader()));
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this.chValidTo = ((System.Windows.Forms.ColumnHeader)(new System.Windows.Forms.ColumnHeader()));
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this.chAlgorithm = ((System.Windows.Forms.ColumnHeader)(new System.Windows.Forms.ColumnHeader()));
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this.dlgOpenDLL = new System.Windows.Forms.OpenFileDialog();
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this.groupBox5.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, 389);
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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 = 3;
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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 = 4;
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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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// cbVisible
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//
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this.cbVisible.AutoSize = true;
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this.cbVisible.Checked = true;
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this.cbVisible.CheckState = System.Windows.Forms.CheckState.Checked;
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this.cbVisible.Location = new System.Drawing.Point(203, 32);
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this.cbVisible.Name = "cbVisible";
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this.cbVisible.Size = new System.Drawing.Size(102, 17);
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this.cbVisible.TabIndex = 3;
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this.cbVisible.Text = "Visible signature";
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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(7, 33);
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this.label1.Name = "label1";
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this.label1.Size = new System.Drawing.Size(36, 13);
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this.label1.TabIndex = 34;
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this.label1.Text = "Level:";
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//
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// cbLevel
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//
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this.cbLevel.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
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this.cbLevel.FormattingEnabled = true;
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this.cbLevel.Items.AddRange(new object[] {
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"Generic/Legacy",
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"Baseline B",
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"Baseline T",
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"Baseline LT",
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"Baseline LTA",
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"BES",
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"EPES",
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"LTV"});
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this.cbLevel.Location = new System.Drawing.Point(54, 30);
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this.cbLevel.Name = "cbLevel";
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this.cbLevel.Size = new System.Drawing.Size(121, 21);
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this.cbLevel.TabIndex = 2;
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//
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// btnLoadCert
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//
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this.btnLoadCert.Location = new System.Drawing.Point(524, 67);
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this.btnLoadCert.Name = "btnLoadCert";
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this.btnLoadCert.Size = new System.Drawing.Size(160, 25);
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this.btnLoadCert.TabIndex = 5;
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this.btnLoadCert.Text = "Load certificates...";
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this.btnLoadCert.Click += new System.EventHandler(this.btnLoadCert_Click);
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//
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// edStoragePIN
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//
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this.edStoragePIN.Location = new System.Drawing.Point(202, 70);
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this.edStoragePIN.Name = "edStoragePIN";
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this.edStoragePIN.PasswordChar = '*';
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this.edStoragePIN.Size = new System.Drawing.Size(319, 20);
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this.edStoragePIN.TabIndex = 4;
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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, 73);
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this.label6.Name = "label6";
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this.label6.Size = new System.Drawing.Size(186, 13);
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this.label6.TabIndex = 44;
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this.label6.Text = "PIN to the PKI Proxy PKCS#11 driver:";
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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.lvCerts);
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this.groupBox5.Controls.Add(this.cbLevel);
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this.groupBox5.Controls.Add(this.cbVisible);
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this.groupBox5.Controls.Add(this.label6);
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this.groupBox5.Controls.Add(this.btnLoadCert);
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this.groupBox5.Controls.Add(this.label1);
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this.groupBox5.Controls.Add(this.edStoragePIN);
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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, 283);
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this.groupBox5.TabIndex = 5;
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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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// lvCerts
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//
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this.lvCerts.Columns.AddRange(new System.Windows.Forms.ColumnHeader[] {
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this.chSubject,
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this.chIssuer,
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this.chValidFrom,
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this.chValidTo,
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this.chAlgorithm});
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this.lvCerts.Dock = System.Windows.Forms.DockStyle.Bottom;
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this.lvCerts.FullRowSelect = true;
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this.lvCerts.Location = new System.Drawing.Point(3, 101);
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this.lvCerts.MultiSelect = false;
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this.lvCerts.Name = "lvCerts";
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this.lvCerts.Size = new System.Drawing.Size(684, 179);
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this.lvCerts.TabIndex = 8;
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this.lvCerts.UseCompatibleStateImageBehavior = false;
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this.lvCerts.View = System.Windows.Forms.View.Details;
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//
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// chSubject
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//
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this.chSubject.Text = "Subject";
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this.chSubject.Width = 170;
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//
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// chIssuer
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//
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this.chIssuer.Text = "Issuer";
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this.chIssuer.Width = 170;
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//
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// chValidFrom
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//
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this.chValidFrom.Text = "Valid from";
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this.chValidFrom.Width = 100;
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//
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// chValidTo
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//
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this.chValidTo.Text = "Valid to";
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this.chValidTo.Width = 100;
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//
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// chAlgorithm
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//
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this.chAlgorithm.Text = "Algorithm";
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this.chAlgorithm.Width = 130;
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//
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// dlgOpenDLL
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//
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this.dlgOpenDLL.Filter = "PKCS #11 Library (*.dll)|*.dll";
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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, 426);
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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 = "PDF Signer Demo (PKI Proxy)";
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this.groupBox5.ResumeLayout(false);
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this.groupBox5.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)
|
||
|
|
{
|
||
|
|
//dlgOpen.InitialDirectory = Application.StartupPath;
|
||
|
|
dlgOpen.FileName = edInputFile.Text;
|
||
|
|
if (dlgOpen.ShowDialog() == DialogResult.OK)
|
||
|
|
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 btnSign_Click(object sender, System.EventArgs e)
|
||
|
|
{
|
||
|
|
if (lvCerts.SelectedIndices.Count == 0)
|
||
|
|
{
|
||
|
|
MessageBox.Show("Select certificate for signing", "", MessageBoxButtons.OK, MessageBoxIcon.Warning);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
signer.InputFile = edInputFile.Text;
|
||
|
|
signer.OutputFile = edOutputFile.Text;
|
||
|
|
|
||
|
|
signer.SigningCertificate = certstorage.Certificates[lvCerts.SelectedIndices[0]];
|
||
|
|
|
||
|
|
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.SignatureType = PDFSignatureTypes.pstPAdES;
|
||
|
|
|
||
|
|
switch (cbLevel.SelectedIndex)
|
||
|
|
{
|
||
|
|
case 0: signer.NewSignature.Level = PAdESSignatureLevels.paslGeneric; break;
|
||
|
|
case 1: signer.NewSignature.Level = PAdESSignatureLevels.paslBaselineB; break;
|
||
|
|
case 2: signer.NewSignature.Level = PAdESSignatureLevels.paslBaselineT; break;
|
||
|
|
case 3: signer.NewSignature.Level = PAdESSignatureLevels.paslBaselineLT; break;
|
||
|
|
case 4: signer.NewSignature.Level = PAdESSignatureLevels.paslBaselineLTA; break;
|
||
|
|
case 5: signer.NewSignature.Level = PAdESSignatureLevels.paslBES; break;
|
||
|
|
case 6: signer.NewSignature.Level = PAdESSignatureLevels.paslEPES; break;
|
||
|
|
case 7: signer.NewSignature.Level = PAdESSignatureLevels.paslLTV; break;
|
||
|
|
}
|
||
|
|
signer.Widget.Invisible = !cbVisible.Checked;
|
||
|
|
signer.Config("IgnoreChainValidationErrors=true");
|
||
|
|
try
|
||
|
|
{
|
||
|
|
signer.Sign();
|
||
|
|
|
||
|
|
MessageBox.Show("PDF file successfully signed");
|
||
|
|
}
|
||
|
|
catch (Exception ex)
|
||
|
|
{
|
||
|
|
MessageBox.Show(ex.Message);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private void btnLoadCert_Click(object sender, EventArgs e)
|
||
|
|
{
|
||
|
|
if (dlgOpenDLL.ShowDialog() == DialogResult.OK)
|
||
|
|
LoadCertificates(dlgOpenDLL.FileName);
|
||
|
|
}
|
||
|
|
|
||
|
|
public int StrToIntDef(string s, int @default)
|
||
|
|
{
|
||
|
|
int number;
|
||
|
|
if (int.TryParse(s, out number))
|
||
|
|
return number;
|
||
|
|
return @default;
|
||
|
|
}
|
||
|
|
|
||
|
|
private void LoadCertificates(string storageFilename)
|
||
|
|
{
|
||
|
|
CloseStorage();
|
||
|
|
|
||
|
|
try
|
||
|
|
{
|
||
|
|
certstorage.Open("pkcs11:///" + storageFilename + "?slot=-1");
|
||
|
|
|
||
|
|
int slotNum = -1;
|
||
|
|
int slotCount = StrToIntDef(certstorage.Config("PKCS11SlotCount"), 0);
|
||
|
|
|
||
|
|
for (int i = 0; i < slotCount; i++)
|
||
|
|
{
|
||
|
|
if (certstorage.Config("PKCS11SlotTokenPresent[" + i.ToString() + "]").ToUpper() == "TRUE")
|
||
|
|
{
|
||
|
|
slotNum = i;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (slotNum != -1)
|
||
|
|
{
|
||
|
|
certstorage.Config("PKCS11Slot=" + slotNum.ToString());
|
||
|
|
certstorage.Login(1, edStoragePIN.Text, true);
|
||
|
|
|
||
|
|
Certificate Cert;
|
||
|
|
ListViewItem Item;
|
||
|
|
for (int i = 0; i < certstorage.Certificates.Count; i++)
|
||
|
|
{
|
||
|
|
Cert = certstorage.Certificates[i];
|
||
|
|
Item = lvCerts.Items.Add("");
|
||
|
|
Item.ImageIndex = 3;
|
||
|
|
// Subject
|
||
|
|
Item.Text = Cert.Subject;
|
||
|
|
// Issuer
|
||
|
|
Item.SubItems.Add(Cert.Issuer);
|
||
|
|
// Validity period
|
||
|
|
Item.SubItems.Add(Cert.ValidFrom);
|
||
|
|
Item.SubItems.Add(Cert.ValidTo);
|
||
|
|
// Algorithm
|
||
|
|
Item.SubItems.Add(Cert.KeyAlgorithm + " (" + Cert.KeyBits.ToString() + " bits)");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
CloseStorage();
|
||
|
|
MessageBox.Show("Active slot not found", "", MessageBoxButtons.OK, MessageBoxIcon.Warning);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
catch (Exception E)
|
||
|
|
{
|
||
|
|
CloseStorage();
|
||
|
|
MessageBox.Show("Error opening storage: " + storageFilename + "\r\n" + E.Message, "", MessageBoxButtons.OK, MessageBoxIcon.Error);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private void CloseStorage()
|
||
|
|
{
|
||
|
|
if (certstorage.Opened)
|
||
|
|
certstorage.Close(false);
|
||
|
|
|
||
|
|
lvCerts.Items.Clear();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|