C#---非对称加密的一个程序

来源：作者：出处：巧巧读书 2006-10-13 进入讨论组

关键词：
windows
加密解密

　　using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.IO;
using System.Text;

using System.Security.Cryptography;

namespace 非对称加密
{
/// <summary>
/// Form1 的摘要说明。
/// </summary>
public class Form1 : System.Windows.Forms.Form
{
private System.Windows.Forms.TabControl tabControl1;
private System.Windows.Forms.TabPage tabPage1;
private System.Windows.Forms.TabPage tabPage2;
private System.Windows.Forms.Button button1;
private System.Windows.Forms.Button button2;
private System.Windows.Forms.Button button3;
private System.Windows.Forms.SaveFileDialog save;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.TextBox textBox1;
private System.Windows.Forms.Button button4;
private System.Windows.Forms.Button button5;
private System.Windows.Forms.Label label2;
private System.Windows.Forms.RichTextBox richtext2;
private System.Windows.Forms.OpenFileDialog open;
private System.Windows.Forms.Label label3;
private System.Windows.Forms.RichTextBox richtext3;
private System.Windows.Forms.RichTextBox richtext;
private System.Windows.Forms.Button button6;
private System.Windows.Forms.Button button7;
private System.Windows.Forms.Button button8;
/// <summary>
/// 必需的设计器变量。
private static RSACryptoServiceProvider crypt;
private static string privatekey;
private static string publickey;
private static byte [] bytes;
private static string publicinfo;
private static string privateinfo;
private static string readpublickey;
private static string readprivatekey;
// ///private static byte [] onebytes ;

/// </summary>
private System.ComponentModel.Container components = null;

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
//
}

/// <summary>
/// 清理所有正在使用的资源。
/// </summary>
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
/// <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.tabControl1 = new System.Windows.Forms.TabControl();
this.tabPage1 = new System.Windows.Forms.TabPage();
this.button6 = new System.Windows.Forms.Button();
this.button3 = new System.Windows.Forms.Button();
this.button2 = new System.Windows.Forms.Button();
this.richtext = new System.Windows.Forms.RichTextBox();
this.button1 = new System.Windows.Forms.Button();
this.tabPage2 = new System.Windows.Forms.TabPage();
this.button8 = new System.Windows.Forms.Button();
this.button7 = new System.Windows.Forms.Button();
this.label3 = new System.Windows.Forms.Label();
this.richtext3 = new System.Windows.Forms.RichTextBox();
this.label2 = new System.Windows.Forms.Label();
this.richtext2 = new System.Windows.Forms.RichTextBox();
this.button5 = new System.Windows.Forms.Button();
this.button4 = new System.Windows.Forms.Button();
this.textBox1 = new System.Windows.Forms.TextBox();
this.label1 = new System.Windows.Forms.Label();
this.save = new System.Windows.Forms.SaveFileDialog();
this.open = new System.Windows.Forms.OpenFileDialog();
this.tabControl1.SuspendLayout();
this.tabPage1.SuspendLayout();
this.tabPage2.SuspendLayout();
this.SuspendLayout();
//
// tabControl1
//
this.tabControl1.Controls.Add(this.tabPage1);
this.tabControl1.Controls.Add(this.tabPage2);
this.tabControl1.Location = new System.Drawing.Point(32, 64);
this.tabControl1.Name = "tabControl1";
this.tabControl1.SelectedIndex = 0;
this.tabControl1.Size = new System.Drawing.Size(416, 280);
this.tabControl1.TabIndex = 0;
//
// tabPage1
//
this.tabPage1.Controls.Add(this.button6);
this.tabPage1.Controls.Add(this.button3);
this.tabPage1.Controls.Add(this.button2);
this.tabPage1.Controls.Add(this.richtext);
this.tabPage1.Controls.Add(this.button1);
this.tabPage1.Location = new System.Drawing.Point(4, 21);
this.tabPage1.Name = "tabPage1";
this.tabPage1.Size = new System.Drawing.Size(408, 255);
this.tabPage1.TabIndex = 0;
this.tabPage1.Text = "得到钥匙";
//
// button6
//
this.button6.Location = new System.Drawing.Point(72, 168);
this.button6.Name = "button6";
this.button6.TabIndex = 4;
this.button6.Text = "写入文件";
this.button6.Click += new System.EventHandler(this.button6_Click);
//
// button3
//
this.button3.Location = new System.Drawing.Point(200, 16);
this.button3.Name = "button3";
this.button3.TabIndex = 3;
this.button3.Text = "保存私匙";
this.button3.Click += new System.EventHandler(this.button3_Click);
//
// button2
//
this.button2.Location = new System.Drawing.Point(128, 16);
this.button2.Name = "button2";
this.button2.TabIndex = 2;
this.button2.Text = "保存公钥";
this.button2.Click += new System.EventHandler(this.button2_Click);
//
// richtext
//
this.richtext.Location = new System.Drawing.Point(16, 56);
this.richtext.Name = "richtext";
this.richtext.Size = new System.Drawing.Size(256, 96);
this.richtext.TabIndex = 1;
this.richtext.Text = "richTextBox1";
//
// button1
//
this.button1.Location = new System.Drawing.Point(8, 16);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(88, 23);
this.button1.TabIndex = 0;
this.button1.Text = "得到钥匙信息";
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// tabPage2
//
this.tabPage2.Controls.Add(this.button8);
this.tabPage2.Controls.Add(this.button7);
this.tabPage2.Controls.Add(this.label3);
this.tabPage2.Controls.Add(this.richtext3);
this.tabPage2.Controls.Add(this.label2);
this.tabPage2.Controls.Add(this.richtext2);
this.tabPage2.Controls.Add(this.button5);
this.tabPage2.Controls.Add(this.button4);
this.tabPage2.Controls.Add(this.textBox1);
this.tabPage2.Controls.Add(this.label1);
this.tabPage2.Location = new System.Drawing.Point(4, 21);
this.tabPage2.Name = "tabPage2";
this.tabPage2.Size = new System.Drawing.Size(408, 255);
this.tabPage2.TabIndex = 1;
this.tabPage2.Text = "加密解密文字";
//
// button8
//
this.button8.Location = new System.Drawing.Point(216, 72);
this.button8.Name = "button8&转载:http://www.qqread.com/csharp/p223565.html