C#---非对称加密的一个程序

程序|加密

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";
this.button8.TabIndex = 9;
this.button8.Text = "读取私匙";
this.button8.Click += new System.EventHandler(this.button8_Click);
//
// button7
//
this.button7.Location = new System.Drawing.Point(56, 72);
this.button7.Name = "button7";
this.button7.TabIndex = 8;
this.button7.Text = "读取公匙";
this.button7.Click += new System.EventHandler(this.button7_Click);
//
// label3
//
this.label3.Location = new System.Drawing.Point(200, 120);
this.label3.Name = "label3";
this.label3.Size = new System.Drawing.Size(100, 16);
this.label3.TabIndex = 7;
this.label3.Text = "解密结果";
//
// richtext3
//
this.richtext3.Location = new System.Drawing.Point(200, 144);
this.richtext3.Name = "richtext3";
this.richtext3.Size = new System.Drawing.Size(120, 72);
this.richtext3.TabIndex = 6;
this.richtext3.Text = "richTextBox2";
//
// label2
//
this.label2.Location = new System.Drawing.Point(48, 120);
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size(128, 16);
this.label2.TabIndex = 5;
this.label2.Text = "加密窗口:";
//
// richtext2
//
this.richtext2.Location = new System.Drawing.Point(40, 144);
this.richtext2.Name = "richtext2";
this.richtext2.Size = new System.Drawing.Size(120, 72);
this.richtext2.TabIndex = 4;
this.richtext2.Text = "richTextBox2";
//
// button5
//
this.button5.Location = new System.Drawing.Point(200, 96);
this.button5.Name = "button5";
this.button5.Size = new System.Drawing.Size(112, 23);
this.button5.TabIndex = 3;
this.button5.Text = "使用私匙解密";
this.button5.Click += new System.EventHandler(this.button5_Click);
//
// button4
//
this.button4.Location = new System.Drawing.Point(48, 96);
this.button4.Name = "button4";
this.button4.Size = new System.Drawing.Size(96, 23);
this.button4.TabIndex = 2;
this.button4.Text = "使用公匙加密";
this.button4.Click += new System.EventHandler(this.button4_Click);
//
// textBox1
//
this.textBox1.Location = new System.Drawing.Point(104, 32);
this.textBox1.Multiline = true;
this.textBox1.Name = "textBox1";
this.textBox1.Size = new System.Drawing.Size(168, 32);
this.textBox1.TabIndex = 1;
this.textBox1.Text = "textBox1";
//
// label1
//
this.label1.Location = new System.Drawing.Point(128, 8);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(120, 16);
this.label1.TabIndex = 0;
this.label1.Text = "请输入加密的文字";
//
// Form1
//
this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
this.ClientSize = new System.Drawing.Size(504, 357);
this.Controls.Add(this.tabControl1);
this.Name = "Form1";
this.Text = "Form1";
this.tabControl1.ResumeLayout(false);
this.tabPage1.ResumeLayout(false);
this.tabPage2.ResumeLayout(false);
this.ResumeLayout(false);

}
#endregion

/// <summary>
/// 应用程序的主入口点。
/// </summary>
[STAThread]
static void Main()
{
Application.Run(new Form1());
}
//得到钥匙信息
private void button1_Click(object sender, System.EventArgs e)
{
crypt=new RSACryptoServiceProvider();
publickey=crypt.ToXmlString(false);
richtext.Text="导出秘匙的情况下:\n"+publickey+"\n";
privatekey=crypt.ToXmlString(true);
string info="仅仅导出公匙的情况下:\n"+privatekey+"\n";
richtext.AppendText(info);
crypt.Clear();

}
//保存公匙信息
private void button2_Click(object sender, System.EventArgs e)
{

save=new SaveFileDialog();
save.Filter="File Text (*.txt)|*.txt|All File (*.*)|*.*";
save.ShowDialog();
publicinfo=save.FileName;

}
//保存密匙信息
private void button3_Click(object sender, System.EventArgs e)
{
save=new SaveFileDialog();
save.Filter="File Text (*.txt)|*.txt|All File (*.*)|*.*";
save.ShowDialog();
privateinfo=save.FileName;

}
//把钥匙信息写入文件
private void button6_Click(object sender, System.EventArgs e)
{

StreamWriter one=new StreamWriter(publicinfo,true,UTF8Encoding.UTF8);
one.Write(publickey);
StreamWriter two=new StreamWriter(privateinfo,true,UTF8Encoding.UTF8);
two.Write(privatekey);
one.Flush();
two.Flush();
one.Close();
two.Close();
MessageBox.Show("成功保存公匙和密匙!");

}
//用公匙加密
private void button4_Click(object sender, System.EventArgs e)
{

crypt=new RSACryptoServiceProvider();
UTF8Encoding enc=new UTF8Encoding();
bytes=enc.GetBytes(textBox1.Text);
crypt.FromXmlString( readpublickey );
bytes = crypt.Encrypt( bytes,false );
string encryttext=enc.GetString(bytes);//encryptbyte);
richtext2.Text="加密结果:\n"+encryttext+"\n"+"加密结束!";
}

private void button5_Click(object sender, System.EventArgs e)
{

UTF8Encoding enc=new UTF8Encoding();
byte [] decryptbyte;
crypt.FromXmlString ( readprivatekey ) ;
decryptbyte = crypt.Decrypt( bytes,false );
string decrypttext=enc.GetString( decryptbyte );
richtext3.Text = "解密结果:\n" + decrypttext + "\n" + "解密结束!" ;

}
//从文件中读取公匙信息
private void button7_Click(object sender, System.EventArgs e)
{
StreamReader sr ;
open = new OpenFileDialog( );
open.Filter="Text File (*.txt)|*.txt|All File (*.*)|*.* ";
// open.ShowDialog();
if(open.ShowDialog()==DialogResult.OK)
{
sr = new StreamReader(open.FileName,UTF8Encoding.UTF8);
}
else
{
MessageBox.Show("发生错误!");
return;
}
readpublickey = sr.ReadToEnd();
sr.Close();
}
//从文件中读取私匙信息
private void button8_Click(object sender, System.EventArgs e)
{
open = new OpenFileDialog( );
open.Filter="Text File (*.txt)|*.txt|All File (*.*)|*.* ";
open.ShowDialog();
StreamReader sr = new StreamReader(open.FileName,UTF8Encoding.UTF8);
readprivatekey = sr.ReadToEnd();
sr.Close();
}

}
}

时间: 2024-09-03 14:46:15

C#---非对称加密的一个程序的相关文章

加密-编写 一个程序vxworks下的简单程序

问题描述 编写 一个程序vxworks下的简单程序 编写 一个程序vxworks下的简单程序,可以与加密狗关联,在没有加密狗的情况下,系统无法启动. 解决方案 编写一个简单的C++程序编写一个简单的servlet小程序Vim 编写一个简单程序

C#—非对称加密:加密文件 RSA

加密 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

C#—非对称加密:加密文件

加密 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

漫谈iOS RSA非对称加密与解密

前言 最近公司的客户端安全性出现了严重的问题,如今这个出解决方案并自我测试验证可行性的重任落在了我的身上,学习了很多他人的文章,再经过多次讨论,最后才确定最终解决方案.笔者在这里讲讲这一经历中所需要了解的知识. iOS客户端想要加密传输数据以防被窃取,最可靠的方式莫过于使用公钥加密算法加密,使用HTTPS协议在整个传输过程中都使用了这个技术,对于未能使用HTTPS的HTTP接口,我们能否实现RSA加密呢? PHP端实现解密可参考:iOS与PHP端实现RSA非对称加密解密 提示:本篇文章只讲RSA

解密-关于RSA非对称加密的问题。请各位大神帮我看下以下问题,新人求助。。。感激不尽

问题描述 关于RSA非对称加密的问题.请各位大神帮我看下以下问题,新人求助...感激不尽 关于RSA非对称加密的问题.编程语言采用的是C++ 现在需要设计一个用来加密解密程序.里面包含两个接口,一个是加密,一个是解密. rsa 对称加密是公钥和私钥进行加密,接口设计如下: int EncodeRSA(unsigned char pub_key,unsigned int pass_len, unsigned char data,unsigned int data_len,unsigned char

c#与JavaScript实现对用户名、密码进行RSA非对称加密

原文:c#与JavaScript实现对用户名.密码进行RSA非对称加密 博主最近手上这个项目呢(就是有上百个万恶的复杂excel需要解析的那个项目,参见博客:http://www.cnblogs.com/csqb-511612371/p/4885930.html),由于是一个内网项目,安全性要求很低,不需要做什么报文加密. 但是总觉得用户名密码都是明文传输,略微有点坑甲方... 想了想,那就做个RSA加密,把用户名.密码做密文传输吧...至于为什么是RSA,因为也想趁机学习一下,DES.MD5什

详解.Net下的加密解密算法(6) 玩转非对称加密

本博文来聊聊怎么玩转非对称加密吧,这里主要介绍.NET算法下的3种非对称加密算法:DSA,RSA,ECDsa.上两篇博文分 别为Hash家族和非对称加密家族找到了lead,现在我们就为非对称加密技术找个合适的lead吧. 首先创建一个接口 :"IEncryptAndDecrypt",然后为上面的3中算法分别创建3个实现类并让这些类实现接口"IEncryptAndDecrypt".它们 的情况如下图: 这下我们把这些哥们都召集起来了,现在我们就给他们找一个lead:&

非对称加密(4).NET非对称加密实践

非对称加密在理论上似乎比对称加密简单,但是在实际应用中的细节却复杂得多,为了能由浅入深地理解.NET中的非对称加密,本小节分步理解其中的细节. 非对称密钥 当使用一个非对称加密类创建一个该类的实例的时候,构造函数会生成一个"公钥/私钥"对.我们可以选择是否保存该密钥和保存的方式. 先从代码清单6-8的内容来熟悉下非对称密钥的密钥结构. 代码清单6-8 输出非对称密钥 class Program { staticvoid Main(string[] args) { RSACryptoSe

非对称加密(1)非对称加密原理

现在我们已经知道对称加密的一个最大的问题是如何安全地传输密钥,并且在对称加密的体系下找不到好的解决方案.1976年,美国学者Dime和Henman为解决信息公开传送和密钥管理问题,提出一种新的密钥交换协议,允许在不安全媒体上的通讯双方交换信息,安全地达成一致的密钥,这就是"公开密钥系统".相对于"对称加密算法"这种方法也叫做"非对称加密算法". 与对称加密算法不同,非对称加密算法需要两个密钥:公钥(publickey)和私钥(privatekey