使用口令加密可执行文件代码,CSharp代码库,德仔网

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【CSharp】使用口令加密可执行文件
作者:墨明棋妙 / 发布于2012/12/12/ 637
Form1.cs

View Code 
 using System;
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.Data;
 using System.Drawing;
 using System.Linq;
 using System.Text;
 using System.Windows.Forms;
 using System.IO;
 using System.Security.Cryptography;
 using Microsoft.Win32;
 
 namespace EncryptExe
 {
     public partial class Form1 : Form
     {
         public Form1()
         {
             InitializeComponent();
         }
 
         private void Form1_Load(object sender, EventArgs e)
         {
             FileMenu(Application.ExecutablePath + ",0", Application.ExecutablePath);
             string[] str = Environment.GetCommandLineArgs();
             try
             {
                 string strFile = "";
                 for (int i = 2; i < str.Length; i++)
                     strFile += str[i];
                 FileInfo FInfo = new FileInfo(strFile);
                 if (FInfo.Extension.ToLower() == ".mrexe")
                     textBox1.Text = strFile;
             }
             catch { }
         }
         
         //选择要加密或解密的文件
         private void button1_Click(object sender, EventArgs e)
         {
             openFileDialog1.Filter = "*.exe(exe可执行文件)|*.exe|*.mrexe(mrexe加密文件)|*.mrexe|*.*(所有文件)|*.*";
             if (openFileDialog1.ShowDialog() == DialogResult.OK)
                 textBox1.Text = openFileDialog1.FileName;
         }
 
         //加密EXE文件
         private void button2_Click(object sender, EventArgs e)
         {
             string strPwd = textBox2.Text;
             byte[] btRKey = new byte[0];
             if (strPwd.Length == 6)
             {
                 btRKey = new byte[] { (byte)strPwd[0], (byte)strPwd[1], (byte)strPwd[2], (byte)strPwd[3], (byte)strPwd[4], (byte)strPwd[5], (byte)strPwd[0], (byte)strPwd[1] };
             }
             if (strPwd.Length == 7)
             {
                 btRKey = new byte[] { (byte)strPwd[0], (byte)strPwd[1], (byte)strPwd[2], (byte)strPwd[3], (byte)strPwd[4], (byte)strPwd[5], (byte)strPwd[6], (byte)strPwd[0] };
             }
             if (strPwd.Length >= 8)
             {
                 btRKey = new byte[] { (byte)strPwd[0], (byte)strPwd[1], (byte)strPwd[2], (byte)strPwd[3], (byte)strPwd[4], (byte)strPwd[5], (byte)strPwd[6], (byte)strPwd[7] };
             }
             FileStream FStream = new FileStream(textBox1.Text, FileMode.Open, FileAccess.Read);
             FileStream NewFStream = new FileStream(textBox1.Text + ".mrexe", FileMode.OpenOrCreate, FileAccess.Write);
             NewFStream.SetLength((long)0);
             byte[] buffer = new byte[0x400];
             int MinNum = 0;
             long length = FStream.Length;
             int MaxNum = (int)(length / ((long)0x400));
             DES myDES = new DESCryptoServiceProvider();
             CryptoStream CStream = new CryptoStream(NewFStream, myDES.CreateEncryptor(btRKey, btRKey), CryptoStreamMode.Write);
             while (MinNum < length)
             {
                 int count = FStream.Read(buffer, 0, 0x400);
                 CStream.Write(buffer, 0, count);
                 MinNum += count;
             }
             CStream.Close();
             NewFStream.Close();
             FStream.Close();
             File.Delete(textBox1.Text);
             MessageBox.Show("使用口令加密可执行文件成功！", "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
         }
 
         //解密EXE文件
         private void button3_Click(object sender, EventArgs e)
         {
             string strPwd = textBox2.Text;
             FileStream FStream = null;
             FileStream NewFStream = null;
             CryptoStream CStream = null;
             try
             {
                 try
                 {
                     byte[] btRKey = new byte[0];
                     if (strPwd.Length == 6)
                     {
                         btRKey = new byte[] { (byte)strPwd[0], (byte)strPwd[1], (byte)strPwd[2], (byte)strPwd[3], (byte)strPwd[4], (byte)strPwd[5], (byte)strPwd[0], (byte)strPwd[1] };
                     }
                     if (strPwd.Length == 7)
                     {
                         btRKey = new byte[] { (byte)strPwd[0], (byte)strPwd[1], (byte)strPwd[2], (byte)strPwd[3], (byte)strPwd[4], (byte)strPwd[5], (byte)strPwd[6], (byte)strPwd[0] };
                     }
                     if (strPwd.Length >= 8)
                     {
                         btRKey = new byte[] { (byte)strPwd[0], (byte)strPwd[1], (byte)strPwd[2], (byte)strPwd[3], (byte)strPwd[4], (byte)strPwd[5], (byte)strPwd[6], (byte)strPwd[7] };
                     }
                     FStream = new FileStream(textBox1.Text, FileMode.Open, FileAccess.Read);
                     string strNewFile = textBox1.Text.Substring(0, textBox1.Text.Length - 6);
                     NewFStream = new FileStream(strNewFile, FileMode.OpenOrCreate, FileAccess.Write);
                     NewFStream.SetLength((long)0);
                     byte[] buffer = new byte[0x400];
                     int MinNum = 0;
                     long length = FStream.Length;
                     int MaxNum = (int)(length / ((long)0x400));
                     DES myDES = new DESCryptoServiceProvider();
                     CStream = new CryptoStream(NewFStream, myDES.CreateDecryptor(btRKey, btRKey), CryptoStreamMode.Write);
                     while (MinNum < length)
                     {
                         int count = FStream.Read(buffer, 0, 0x400);
                         CStream.Write(buffer, 0, count);
                         MinNum += count;
                     }
                     CStream.Close();
                     FStream.Close();
                     NewFStream.Close();
                     File.Delete(textBox1.Text);
                     System.Diagnostics.Process.Start(strNewFile);
                 }
                 catch
                 {
                     MessageBox.Show("口令错误！", "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Error);
                     textBox2.Focus();
                 }
             }
             finally
             {
                 CStream.Close();
                 FStream.Close();
                 NewFStream.Close();
             }
         }
 
         //创建快捷菜单
         public static void FileMenu(string strPath, string strName)
         {
             try
             {
                 Registry.ClassesRoot.CreateSubKey(".mrexe");
                 RegistryKey RKey1 = Registry.ClassesRoot.OpenSubKey(".mrexe", true);
                 RKey1.SetValue("", "mrexefile");
                 RKey1.Close();
                 Registry.ClassesRoot.CreateSubKey("mrexefile");
                 RegistryKey RKey2 = Registry.ClassesRoot.OpenSubKey("mrexefile", true);
                 RKey2.CreateSubKey("DefaultIcon");
                 RKey2.CreateSubKey("shell");
                 RKey2.Close();
                 RegistryKey RKey3 = Registry.ClassesRoot.OpenSubKey("mrexefile\\DefaultIcon", true);
                 RKey3.SetValue("", strPath);
                 RKey3.Close();
                 RegistryKey RKey4 = Registry.ClassesRoot.OpenSubKey("mrexefile\\shell", true);
                 RKey4.CreateSubKey("使用口令打开");
                 RKey4.Close();
                 RegistryKey RKey5 = Registry.ClassesRoot.OpenSubKey("mrexefile\\shell\\使用口令打开", true);
                 RKey5.CreateSubKey("command");
                 RKey5.Close();
                 RegistryKey RKey6 = Registry.ClassesRoot.OpenSubKey("mrexefile\\shell\\使用口令打开\\command", true);
                 RKey6.SetValue("", strName + " \\F %1");
                 RKey6.Close();
             }
             catch
             {
             }
         }
     }
 }

Form1.Designer.cs

View Code 
 namespace EncryptExe
 {
     partial class Form1
     {
         /// <summary>
 /// 必需的设计器变量。
 /// </summary>
         private System.ComponentModel.IContainer components = null;
 
         /// <summary>
 /// 清理所有正在使用的资源。
 /// </summary>
 /// <param name="disposing">如果应释放托管资源，为 true；否则为 false。</param>
         protected override void Dispose(bool disposing)
         {
             if (disposing && (components != null))
             {
                 components.Dispose();
             }
             base.Dispose(disposing);
         }
 
         #region Windows 窗体设计器生成的代码
 
         /// <summary>
 /// 设计器支持所需的方法 - 不要
 /// 使用代码编辑器修改此方法的内容。
 /// </summary>
         private void InitializeComponent()
         {
             this.button3 = new System.Windows.Forms.Button();
             this.button2 = new System.Windows.Forms.Button();
             this.groupBox1 = new System.Windows.Forms.GroupBox();
             this.label1 = new System.Windows.Forms.Label();
             this.textBox1 = new System.Windows.Forms.TextBox();
             this.button1 = new System.Windows.Forms.Button();
             this.label3 = new System.Windows.Forms.Label();
             this.label2 = new System.Windows.Forms.Label();
             this.textBox2 = new System.Windows.Forms.TextBox();
             this.openFileDialog1 = new System.Windows.Forms.OpenFileDialog();
             this.groupBox1.SuspendLayout();
             this.SuspendLayout();
             // 
 // button3
 // 
             this.button3.Location = new System.Drawing.Point(250, 107);
             this.button3.Name = "button3";
             this.button3.Size = new System.Drawing.Size(59, 27);
             this.button3.TabIndex = 11;
             this.button3.Text = "打开";
             this.button3.UseVisualStyleBackColor = true;
             this.button3.Click += new System.EventHandler(this.button3_Click);
             // 
 // button2
 // 
             this.button2.Location = new System.Drawing.Point(185, 107);
             this.button2.Name = "button2";
             this.button2.Size = new System.Drawing.Size(59, 27);
             this.button2.TabIndex = 12;
             this.button2.Text = "加密";
             this.button2.UseVisualStyleBackColor = true;
             this.button2.Click += new System.EventHandler(this.button2_Click);
             // 
 // groupBox1
 // 
             this.groupBox1.Controls.Add(this.label1);
             this.groupBox1.Controls.Add(this.textBox1);
             this.groupBox1.Controls.Add(this.button1);
             this.groupBox1.Controls.Add(this.label3);
             this.groupBox1.Controls.Add(this.label2);
             this.groupBox1.Controls.Add(this.textBox2);
             this.groupBox1.Location = new System.Drawing.Point(5, 9);
             this.groupBox1.Name = "groupBox1";
             this.groupBox1.Size = new System.Drawing.Size(304, 92);
             this.groupBox1.TabIndex = 10;
             this.groupBox1.TabStop = false;
             this.groupBox1.Text = "Exe文件加/解密设置";
             // 
 // label1
 // 
             this.label1.AutoSize = true;
             this.label1.Location = new System.Drawing.Point(6, 17);
             this.label1.Name = "label1";
             this.label1.Size = new System.Drawing.Size(95, 12);
             this.label1.TabIndex = 0;
             this.label1.Text = "请选择Exe文件：";
             // 
 // textBox1
 // 
             this.textBox1.Location = new System.Drawing.Point(32, 35);
             this.textBox1.Name = "textBox1";
             this.textBox1.Size = new System.Drawing.Size(225, 21);
             this.textBox1.TabIndex = 1;
             // 
 // button1
 // 
             this.button1.Location = new System.Drawing.Point(263, 33);
             this.button1.Name = "button1";
             this.button1.Size = new System.Drawing.Size(33, 23);
             this.button1.TabIndex = 2;
             this.button1.Text = "…";
             this.button1.UseVisualStyleBackColor = true;
             this.button1.Click += new System.EventHandler(this.button1_Click);
             // 
 // label3
 // 
             this.label3.AutoSize = true;
             this.label3.ForeColor = System.Drawing.Color.Red;
             this.label3.Location = new System.Drawing.Point(201, 66);
             this.label3.Name = "label3";
             this.label3.Size = new System.Drawing.Size(95, 12);
             this.label3.TabIndex = 5;
             this.label3.Text = "(密码应大于6位)";
             // 
 // label2
 // 
             this.label2.AutoSize = true;
             this.label2.Location = new System.Drawing.Point(7, 66);
             this.label2.Name = "label2";
             this.label2.Size = new System.Drawing.Size(65, 12);
             this.label2.TabIndex = 3;
             this.label2.Text = "加密口令：";
             // 
 // textBox2
 // 
             this.textBox2.Location = new System.Drawing.Point(73, 63);
             this.textBox2.Name = "textBox2";
             this.textBox2.PasswordChar = '*';
             this.textBox2.Size = new System.Drawing.Size(127, 21);
             this.textBox2.TabIndex = 4;
             // 
 // Form1
 // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
             this.ClientSize = new System.Drawing.Size(316, 140);
             this.Controls.Add(this.button3);
             this.Controls.Add(this.button2);
             this.Controls.Add(this.groupBox1);
             this.MaximizeBox = false;
             this.MinimizeBox = false;
             this.Name = "Form1";
             this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
             this.Text = "使用口令加密可执行文件";
             this.Load += new System.EventHandler(this.Form1_Load);
             this.groupBox1.ResumeLayout(false);
             this.groupBox1.PerformLayout();
             this.ResumeLayout(false);
 
         }
 
         #endregion
 
         private System.Windows.Forms.Button button3;
         private System.Windows.Forms.Button button2;
         private System.Windows.Forms.GroupBox groupBox1;
         private System.Windows.Forms.Label label1;
         private System.Windows.Forms.TextBox textBox1;
         private System.Windows.Forms.Button button1;
         private System.Windows.Forms.Label label3;
         private System.Windows.Forms.Label label2;
         private System.Windows.Forms.TextBox textBox2;
         private System.Windows.Forms.OpenFileDialog openFileDialog1;
     }
 }
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