C#—非对称加密：加密文件
★★★★★★ ☆☆☆ ★★★★★★
●●○○ 聂永 ○○●●
§§§§nie_yong@163.com§§§§
◆◆□□nie.yong@126.com□□◆◆
№№№№№№ ※※※ №№№№№№
说明：
1.你要注意的是读取文件的两种不同方式；
2.从已经保存的钥匙文件中读取其内容；
3.这个程序做的很粗糙（要准备考外语六级，要准备期末考试，实在很忙啊！），希望诸位能够完善，然后也发表出来，在下表示感谢；
4.参考书目： 《C#数据安全手册》;
5.有做这方面程序的朋友，愿意相交。
代码部分：
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;
using System.Threading;
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.TabPage tabPage3;
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;
private System.Windows.Forms.TextBox textBox2;
private System.Windows.Forms.Label label4;
private System.Windows.Forms.Button button9;
private System.Windows.Forms.TextBox textBox3;
private System.Windows.Forms.Label label5;
private System.Windows.Forms.Button button10;
private System.Windows.Forms.Label label6;
private System.Windows.Forms.Button button11;
private System.Windows.Forms.Button button12;
private System.Windows.Forms.RichTextBox richtext4;
private System.Windows.Forms.Button button13;
private System.Windows.Forms.Button button14;
private System.Windows.Forms.Button button15;
private System.Windows.Forms.TabPage tabPage4;
private System.Windows.Forms.TextBox textBox4;
private System.Windows.Forms.Button button16;
private System.Windows.Forms.TextBox textBox5;
private System.Windows.Forms.Button button17;
private System.Windows.Forms.Button button18;
private System.Windows.Forms.Button button19;
private System.Windows.Forms.Button button20;
private System.Windows.Forms.Button button21;
private System.Windows.Forms.RichTextBox richtext5;
/// <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;
//文件打开和是否读取钥匙的标记
private bool openla = false;
private bool savela = false;
private bool readpubkey=false;
private bool readprikey=false;
private Thread th;
/// </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.tabPage3 = new System.Windows.Forms.TabPage();
this.button15 = new System.Windows.Forms.Button();
this.button14 = new System.Windows.Forms.Button();
this.button13 = new System.Windows.Forms.Button();
this.button12 = new System.Windows.Forms.Button();
this.button11 = new System.Windows.Forms.Button();
this.richtext4 = new System.Windows.Forms.RichTextBox();
this.label6 = new System.Windows.Forms.Label();
this.button10 = new System.Windows.Forms.Button();
this.label5 = new System.Windows.Forms.Label();
this.textBox3 = new System.Windows.Forms.TextBox();
this.button9 = new System.Windows.Forms.Button();
this.label4 = new System.Windows.Forms.Label();
this.textBox2 = new System.Windows.Forms.TextBox();
this.tabPage4 = new System.Windows.Forms.TabPage();
this.save = new System.Windows.Forms.SaveFileDialog();
this.open = new System.Windows.Forms.OpenFileDialog();
this.textBox4 = new System.Windows.Forms.TextBox();
this.button16 = new System.Windows.Forms.Button();
this.textBox5 = new System.Windows.Forms.TextBox();
this.button17 = new System.Windows.Forms.Button();
this.button18 = new System.Windows.Forms.Button();
this.button19 = new System.Windows.Forms.Button();
this.button20 = new System.Windows.Forms.Button();
this.button21 = new System.Windows.Forms.Button();
this.richtext5 = new System.Windows.Forms.RichTextBox();
this.tabControl1.SuspendLayout();
this.tabPage1.SuspendLayout();
this.tabPage2.SuspendLayout();
this.tabPage3.SuspendLayout();
this.tabPage4.SuspendLayout();
this.SuspendLayout();
//
// tabControl1
//
this.tabControl1.Controls.Add(this.tabPage1);
th
更多内容请看PCdog.com--加密算法 数据加密技术 文件加密专题
