C#简单加密解密[利用反射获取加密解密类
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骇客基地 阅读: 时间:2005-11-1 1:04:53 来源:www.hookbase.com
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接口类：
using System;
namespace OutInterface
{
///
/// Class1 的摘要说明。
///
public
interface OutInterface
{
void Encryptor(string oldFileName,string
newFileName);
void Decryptor(string oldFileName,string newFileName);
}
}
实现类：
using System;
using System.Security.Cryptography;
using System.IO;
using System.Text;
using OutInterface;
using
System.Security;
namespace EncryptorDecryptor
{
///
/// 实现DES加密解密
///
public class
EncryptorDecryptor:OutInterface.OutInterface
{
public Type
cryptographyType;
public EncryptorDecryptor()
{
//
// TODO:
在此处添加构造函数逻辑
//
}
public EncryptorDecryptor(string str)
{
cryptographyType = Type.GetType(str);
}
#region OutInterface 成员
public void Encryptor(string oldFileName, string newFileName)
{
System.IO.FileStream Fin = new
FileStream(oldFileName,FileMode.Open,FileAccess.Read);
System.IO.FileStream Fout = new
FileStream(newFileName,FileMode.OpenOrCreate,FileAccess.ReadWrite);
Fout.SetLength(0);
SymmetricAlgorithm des =
(SymmetricAlgorithm)Activator.CreateInstance(cryptographyType);
PasswordToByte(des);
ICryptoTransform transForm =
des.CreateEncryptor(des.Key,des.IV);
CryptoStream transString = new
CryptoStream(Fout,transForm,CryptoStreamMode.Write);
byte[] bin = new
byte[100];
Fin.Read(bin,0,100);
transString.Write(bin,0,100);
transString.Close();
Fin.Close();
Fout.Close();
}
public
void Decryptor(string oldFileName, string newFileName)
{
System.IO.FileStream Fin = new
FileStream(oldFileName,FileMode.Open,FileAccess.Read);
System.IO.FileStream
Fout = new FileStream(newFileName,FileMode.OpenOrCreate,FileAccess.ReadWrite);
Fout.SetLength(0);
SymmetricAlgorithm des =
(SymmetricAlgorithm)Activator.CreateInstance(cryptographyType);
PasswordToByte(des);
ICryptoTransform transForm =
des.CreateDecryptor(des.Key,des.IV);
CryptoStream transString = new
CryptoStream(Fout,transForm,CryptoStreamMode.Write);
byte[] bin = new
byte[100];
Fin.Read(bin,0,100);
transString.Write(bin,0,100);
transString.Close();
Fin.Close();
Fout.Close();
}
#endregion
private void PasswordToByte(SymmetricAlgorithm des)
{
byte[] byteA = new byte[8];
byte[] byteB = new byte[8];
System.Text.Encoding ascii = Encoding.ASCII;
ToByte(byteA,ascii.GetBytes("PuKai"));
ToByte(byteB,ascii.GetBytes("PuKai"));
des.Key = byteA;
des.IV =
byteB;
}
private void ToByte(byte[] byteC,byte[] encoding)
{
if(byteC.Length >= encoding.Length)
{
for(int i = 0;i
/// 传出加密解密实现类实例
///
public class ShowClass
{
static public string[]
stringClass = new string[2];
public ShowClass()
{
}
static
public object GetEncryptorDecryptor(int nItem)
{
switch(nItem)
{
case 0:
return (new
EncryptorDecryptor("System.Security.Cryptography.DESCryptoServiceProvider"));
case 1:
return (new
EncryptorDecryptor("System.Security.Cryptography.RC2CryptoServiceProvider"));
}
return null;
}
static public string[]
GetEncryptorDecryptorString()
{
stringClass[0] = "DES";
stringClass[1] = "RC2";
return stringClass;
}
}
}
窗体类
using System;
using System.Drawing;
using
System.Collections;
using System.ComponentModel;
using
System.Windows.Forms;
using System.Data;
using EncryptorDecryptor;
using OutInterface;
namespace 加密解密
{
///
/// Form1 的摘要说明。
///
public class Form1 :
System.Windows.Forms.Form
{
private System.Windows.Forms.StatusBar
statusBar1;
private System.Windows.Forms.Timer timerOpacity;
private
System.Windows.Forms.OpenFileDialog openFileDialogEncryptor;
private
System.Windows.Forms.OpenFileDialog openFileDialogDecryptor;
private
System.Windows.Forms.TextBox textBoxEncryptor;
private
System.Windows.Forms.Button btEncryptorFile;
private
System.Windows.Forms.Label labelEncryptorFile;
private
System.Windows.Forms.Button btEncryptor;
private
System.Windows.Forms.GroupBox groupBoxEncryptor;
private
System.Windows.Forms.ComboBox comboBoxEncryptor;
private
System.Windows.Forms.Label labelEncryptor;
private
System.Windows.Forms.Label labelDecryptorFile;
private
System.Windows.Forms.TextBox textBoxDecryptor;
private
System.Windows.Forms.Button btDecryptorFile;
private
System.Windows.Forms.GroupBox groupBoxDecryptor;
private
System.Windows.Forms.ComboBox comboBoxDecryptor;
private
System.Windows.Forms.Label labelDecryptor;
private
System.Windows.Forms.Button btDecryptor;
private
System.ComponentModel.IContainer components;
public Form1()
{
//
// Windows 窗体设计器支持所必需的
//
InitializeComponent();
//
//
TODO: 在 InitializeComponent 调用后添加任何构造函数代码
//
}
///
/// 清理所有正在使用的资源。
///
protected
override void Dispose( bool disposing )
{
if( disposing )
{
if
(components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
#region Windows 窗体设计器生成的代码
///
/// 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。
///
private void InitializeComponent()
{
this.components = new System.ComponentModel.Container();
this.textBoxEncryptor = new System.Windows.Forms.TextBox();
this.btEncryptorFile = new System.Windows.Forms.Button();
this.labelEncryptorFile = new System.Windows.Forms.Label();
this.btEncryptor = new System.Windows.Forms.Button();
this.labelDecryptorFile = new System.Windows.Forms.Label();
this.textBoxDecryptor = new System.Windows.Forms.TextBox();
this.btDecryptorFile = new System.Windows.Forms.Button();
this.btDecryptor = new System.Windows.Forms.Button();
this.groupBoxEncryptor = new System.Windows.Forms.GroupBox();
this.comboBoxEncryptor = new System.Windows.Forms.ComboBox();
this.labelEncryptor = new System.Windows.Forms.Label();
this.groupBoxDecryptor = new System.Windows.Forms.GroupBox();
this.comboBoxDecryptor = new System.Windows.Forms.ComboBox();
this.labelDecryptor = new System.Windows.Forms.Label();
this.statusBar1
= new System.Windows.Forms.StatusBar();
this.timerOpacity = new
System.Windows.Forms.Timer(this.components);
this.openFileDialogEncryptor =
new System.Windows.Forms.OpenFileDialog();
this.openFileDialogDecryptor =
new System.Windows.Forms.OpenFileDialog();
this.groupBoxEncryptor.SuspendLayout();
this.groupBoxDecryptor.SuspendLayout();
this.SuspendLayout();
//
// textBoxEncryptor
//
this.textBoxEncryptor.Location = new
System.Drawing.Point(80, 24);
this.textBoxEncryptor.Name =
"textBoxEncryptor";
this.textBoxEncryptor.Size = new
System.Drawing.Size(448, 21);
this.textBoxEncryptor.TabIndex = 0;
this.textBoxEncryptor.Text = "";
this.textBoxEncryptor.TextChanged +=
new System.EventHandler(this.textBoxEncryptor_TextChanged);
//
//
btEncryptorFile
//
this.btEncryptorFile.Location = new
System.Drawing.Point(552, 24);
this.btEncryptorFile.Name =
"btEncryptorFile";
this.btEncryptorFile.Size = new System.Drawing.Size(120,
23);
this.btEncryptorFile.TabIndex = 1;
this.btEncryptorFile.Text =
"【选择加密文件】";
this.btEncryptorFile.Click += new
System.EventHandler(this.btEncryptorFile_Click);
//
//
labelEncryptorFile
//
this.labelEncryptorFile.Location = new
System.Drawing.Point(8, 24);
this.labelEncryptorFile.Name =
"labelEncryptorFile";
this.labelEncryptorFile.Size = new
System.Drawing.Size(72, 23);
this.labelEncryptorFile.TabIndex = 2;
this.labelEncryptorFile.Text = "文件地址：";
//
// btEncryptor
//
this.btEncryptor.Location = new System.Drawing.Point(576, 64);
this.btEncryptor.Name = "btEncryptor";
this.btEncryptor.TabIndex = 3;
this.btEncryptor.Text = "加密";
this.btEncryptor.Click += new
System.EventHandler(this.btEncryptor_Click);
//
// labelDecryptorFile
//
this.labelDecryptorFile.Location = new System.Drawing.Point(8, 24);
this.labelDecryptorFile.Name = "labelDecryptorFile";
this.labelDecryptorFile.Size = new System.Drawing.Size(72, 23);
this.labelDecryptorFile.TabIndex = 4;
this.labelDecryptorFile.Text =
"文件地址：";
//
// textBoxDecryptor
//
this.textBoxDecryptor.Location = new System.Drawing.Point(80, 24);
this.textBoxDecryptor.Name = "textBoxDecryptor";
this.textBoxDecryptor.Size = new System.Drawing.Size(448, 21);
this.textBoxDecryptor.TabIndex = 5;
this.textBoxDecryptor.Text = "";
this.textBoxDecryptor.TextChanged += new
System.EventHandler(this.textBoxDecryptor_TextChanged);
//
//
btDecryptorFile
//
this.btDecryptorFile.Location = new
System.Drawing.Point(552, 24);
this.btDecryptorFile.Name =
"btDecryptorFile";
this.btDecryptorFile.Size = new System.Drawing.Size(120,
23);
this.btDecryptorFile.TabIndex = 6;
this.btDecryptorFile.Text =
"【选择解密文件】";
this.btDecryptorFile.Click += new
System.EventHandler(this.btDecryptorFile_Click);
//
// btDecryptor
//
this.btDecryptor.Location = new System.Drawing.Point(576, 64);
this.btDecryptor.Name = "btDecryptor";
this.btDecryptor.TabIndex = 7;
this.btDecryptor.Text = "解密";
this.btDecryptor.Click += new
System.EventHandler(this.btDecryptor_Click);
//
// groupBoxEncryptor
//
this.groupBoxEncryptor.Controls.Add(this.comboBoxEncryptor);
this.groupBoxEncryptor.Controls.Add(this.labelEncryptor);
this.groupBoxEncryptor.Controls.Add(this.labelEncryptorFile);
this.groupBoxEncryptor.Controls.Add(this.textBoxEncryptor);
this.groupBoxEncryptor.Controls.Add
(this.btEncryptorFile);
this.groupBoxEncryptor.Controls.Add(this.btEncryptor);
this.groupBoxEncryptor.Location = new System.Drawing.Point(16, 8);
this.groupBoxEncryptor.Name = "groupBoxEncryptor";
this.groupBoxEncryptor.Size = new System.Drawing.Size(704, 100);
this.groupBoxEncryptor.TabIndex = 8;
this.groupBoxEncryptor.TabStop =
false;
this.groupBoxEncryptor.Text = "加密";
//
// comboBoxEncryptor
//
this.comboBoxEncryptor.Location = new System.Drawing.Point(376, 72);
this.comboBoxEncryptor.Name = "comboBoxEncryptor";
this.comboBoxEncryptor.Size = new System.Drawing.Size(152, 20);
this.comboBoxEncryptor.TabIndex = 5;
//
// labelEncryptor
//
this.labelEncryptor.Location = new System.Drawing.Point(280, 72);
this.labelEncryptor.Name = "labelEncryptor";
this.labelEncryptor.Size =
new System.Drawing.Size(96, 23);
this.labelEncryptor.TabIndex = 4;
this.labelEncryptor.Text = "选择加密方式：";
//
// groupBoxDecryptor
//
this.groupBoxDecryptor.Controls.Add(this.comboBoxDecryptor);
this.groupBoxDecryptor.Controls.Add(this.labelDecryptor);
this.groupBoxDecryptor.Controls.Add(this.textBoxDecryptor);
this.groupBoxDecryptor.Controls.Add(this.labelDecryptorFile);
this.groupBoxDecryptor.Controls.Add(this.btDecryptorFile);
this.groupBoxDecryptor.Controls.Add(this.btDecryptor);
this.groupBoxDecryptor.Location = new System.Drawing.Point(16, 128);
this.groupBoxDecryptor.Name = "groupBoxDecryptor";
this.groupBoxDecryptor.Size = new System.Drawing.Size(704, 100);
this.groupBoxDecryptor.TabIndex = 9;
this.groupBoxDecryptor.TabStop =
false;
this.groupBoxDecryptor.Text = "解密";
//
// comboBoxDecryptor
//
this.comboBoxDecryptor.Location = new System.Drawing.Point(376, 64);
this.comboBoxDecryptor.Name = "comboBoxDecryptor";
this.comboBoxDecryptor.Size = new System.Drawing.Size(152, 20);
this.comboBoxDecryptor.TabIndex = 9;
//
// labelDecryptor
//
this.labelDecryptor.Location = new System.Drawing.Point(280, 64);
this.labelDecryptor.Name = "labelDecryptor";
this.labelDecryptor.Size =
new System.Drawing.Size(96, 23);
this.labelDecryptor.TabIndex = 8;
this.labelDecryptor.Text = "选择解密方式：";
//
// statusBar1
//
this.statusBar1.Font = new System.Drawing.Font("宋体", 9F,
System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point,
((System.Byte)(134)));
this.statusBar1.Location = new
System.Drawing.Point(0, 240);
this.statusBar1.Name = "statusBar1";
this.statusBar1.Size = new System.Drawing.Size(712, 22);
this.statusBar1.TabIndex = 10;
this.statusBar1.Text = "版权信息：普恺
Qq:1325625 | E-mail:BabyCr" +
"azy@Qq.com";
//
// timerOpacity
//
this.timerOpacity.Tick += new System.EventHandler(this.timerOpacity_Tick);
//
// Form1
//
this.AutoScaleBaseSize = new
System.Drawing.Size(6, 14);
this.BackColor = System.Drawing.Color.DarkGray;
this.ClientSize = new System.Drawing.Size(712, 262);
this.Controls.Add(this.statusBar1);
this.Controls.Add(this.groupBoxDecryptor);
this.Controls.Add(this.groupBoxEncryptor);
this.FormBorderStyle =
System.Windows.Forms.FormBorderStyle.FixedSingle;
this.MaximizeBox = false;
this.Name = "Form1";
this.Text = "Form1";
this.Load += new
System.EventHandler(this.Form1_Load);
this.groupBoxEncryptor.ResumeLayout(false);
this.groupBoxDecryptor.ResumeLayout(false);
this.ResumeLayout(false);
}
#endregion
///
/// 应用程序的主入口点。
///
[STAThread]
static void Main()
{
Application.Run(new Form1());
}
private void Form1_Load(object
sender, System.EventArgs e)
{
try
{
this.timerOpacity.Enabled =
true;
this.Opacity = 0;
this.textBoxEncryptor.Enabled = false;
this.textBoxDecryptor.Enabled = false;
this.openFileDialogEncryptor.Filter = "所有文件|*.*";
// OutInterface
myInterFace = (OutInterface)ShowClass.GetClassName();
foreach(object a in
ShowClass.GetEncryptorDecryptorString())
{
this.comboBoxEncryptor.Items.Add(a);
this.comboBoxDecryptor.Items.Add(a);
}
this.btEncryptor.Enabled
= false;
this.btDecryptor.Enabled = false;
}
catch(System.Exception
ee)
{
MessageBox.Show(ee.Message);
}
}
private void
timerOpacity_Tick(object sender, System.EventArgs e)
{
while(this.Opacity
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