C#实现加密bat文件的示例详解
更新时间：2023年01月03日 09:29:34 作者：芝麻粒儿
这篇文章主要为大家详细介绍了C#如何实现加密bat文件的功能，文中的示例代码讲解详细，对我们学习C#有一定的帮助，感兴趣的小伙伴可以跟随小编一起了解一下
实践过程
效果
代码
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() == ".mrbat")
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 = "*.bat(bat文件)|*.bat|*.mrbat(mrbat加密文件)|*.mrbat|*.*(所有文件)|*.*";
if (openFileDialog1.ShowDialog() == DialogResult.OK)
textBox1.Text = openFileDialog1.FileName;
}
//加密bat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 + ".mrbat", 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bat文件成功！", "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
//解密bat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(".mrbat");
RegistryKey RKey1 = Registry.ClassesRoot.OpenSubKey(".mrbat", true);
RKey1.SetValue("", "mrbatfile");
RKey1.Close();
Registry.ClassesRoot.CreateSubKey("mrbatfile");
RegistryKey RKey2 = Registry.ClassesRoot.OpenSubKey("mrbatfile", true);
RKey2.CreateSubKey("DefaultIcon");
RKey2.CreateSubKey("shell");
RKey2.Close();
RegistryKey RKey3 = Registry.ClassesRoot.OpenSubKey("mrbatfile\\DefaultIcon", true);
RKey3.SetValue("", strPath);
RKey3.Close();
RegistryKey RKey4 = Registry.ClassesRoot.OpenSubKey("mrbatfile\\shell", true);
RKey4.CreateSubKey("使用口令打开");
RKey4.Close();
RegistryKey RKey5 = Registry.ClassesRoot.OpenSubKey("mrbatfile\\shell\\使用口令打开", true);
RKey5.CreateSubKey("command");
RKey5.Close();
RegistryKey RKey6 = Registry.ClassesRoot.OpenSubKey("mrbatfile\\shell\\使用口令打开\\command", true);
RKey6.SetValue("", strName + " \\F %1");
RKey6.Close();
}
catch
{
}
}
}
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 = "bat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bat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;
//
// openFileDialog1
//
this.openFileDialog1.FileName = "openFileDialog1";
//
// 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 = "用口令加密bat格式文件";
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;
}
以上就是C#实现加密bat文件的示例详解的详细内容，更多关于C#加密bat文件的资料请关注脚本之家其它相关文章！
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