我要评论本文实例讲述了c#实现简单的rsa非对称加密算法。分享给大家供大家参考，具体如下：
界面控件
namespace rsa算法
{
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.strbox = new system.windows.forms.textbox();
this.label1 = new system.windows.forms.label();
this.pubkeybox = new system.windows.forms.textbox();
this.label2 = new system.windows.forms.label();
this.prvkeybox = new system.windows.forms.textbox();
this.label3 = new system.windows.forms.label();
this.encrypebox = new system.windows.forms.textbox();
this.label4 = new system.windows.forms.label();
this.label5 = new system.windows.forms.label();
this.str2box = new system.windows.forms.textbox();
this.crypebtn = new system.windows.forms.button();
this.suspendlayout();
//
// strbox
//
this.strbox.location = new system.drawing.point(115, 12);
this.strbox.name = "strbox";
this.strbox.size = new system.drawing.size(258, 21);
this.strbox.tabindex = 0;
//
// label1
//
this.label1.autosize = true;
this.label1.location = new system.drawing.point(11, 18);
this.label1.name = "label1";
this.label1.size = new system.drawing.size(77, 12);
this.label1.tabindex = 1;
this.label1.text = "加密前的明文";
//
// pubkeybox
//
this.pubkeybox.location = new system.drawing.point(115, 78);
this.pubkeybox.multiline = true;
this.pubkeybox.name = "pubkeybox";
this.pubkeybox.size = new system.drawing.size(258, 74);
this.pubkeybox.tabindex = 2;
//
// label2
//
this.label2.autosize = true;
this.label2.location = new system.drawing.point(11, 87);
this.label2.name = "label2";
this.label2.size = new system.drawing.size(29, 12);
this.label2.tabindex = 3;
this.label2.text = "公钥";
//
// prvkeybox
//
this.prvkeybox.location = new system.drawing.point(115, 158);
this.prvkeybox.multiline = true;
this.prvkeybox.name = "prvkeybox";
this.prvkeybox.size = new system.drawing.size(258, 128);
this.prvkeybox.tabindex = 4;
//
// label3
//
this.label3.autosize = true;
this.label3.location = new system.drawing.point(13, 167);
this.label3.name = "label3";
this.label3.size = new system.drawing.size(101, 12);
this.label3.tabindex = 5;
this.label3.text = "密钥（包含私钥）";
//
// encrypebox
//
this.encrypebox.location = new system.drawing.point(115, 292);
this.encrypebox.name = "encrypebox";
this.encrypebox.size = new system.drawing.size(258, 21);
this.encrypebox.tabindex = 6;
//
// label4
//
this.label4.autosize = true;
this.label4.location = new system.drawing.point(14, 299);
this.label4.name = "label4";
this.label4.size = new system.drawing.size(29, 12);
this.label4.tabindex = 7;
this.label4.text = "密文";
//
// label5
//
this.label5.autosize = true;
this.label5.location = new system.drawing.point(14, 329);
this.label5.name = "label5";
this.label5.size = new system.drawing.size(77, 12);
this.label5.tabindex = 8;
this.label5.text = "解密后的明文";
//
// str2box
//
this.str2box.location = new system.drawing.point(115, 320);
this.str2box.name = "str2box";
this.str2box.size = new system.drawing.size(258, 21);
this.str2box.tabindex = 9;
//
// crypebtn
//
this.crypebtn.location = new system.drawing.point(117, 43);
this.crypebtn.name = "crypebtn";
this.crypebtn.size = new system.drawing.size(104, 23);
this.crypebtn.tabindex = 10;
this.crypebtn.text = "执行加密解密";
this.crypebtn.usevisualstylebackcolor = true;
this.crypebtn.click += new system.eventhandler(this.crypebtn_click);
//
// form1
//
this.autoscaledimensions = new system.drawing.sizef(6f, 12f);
this.autoscalemode = system.windows.forms.autoscalemode.font;
this.clientsize = new system.drawing.size(385, 353);
this.controls.add(this.crypebtn);
this.controls.add(this.str2box);
this.controls.add(this.label5);
this.controls.add(this.label4);
this.controls.add(this.encrypebox);
this.controls.add(this.label3);
this.controls.add(this.prvkeybox);
this.controls.add(this.label2);
this.controls.add(this.pubkeybox);
this.controls.add(this.label1);
this.controls.add(this.strbox);
this.name = "form1";
this.text = "rsa非对称加密解密";
this.resumelayout(false);
this.performlayout();
}
#endregion
private system.windows.forms.textbox strbox;
private system.windows.forms.label label1;
private system.windows.forms.textbox pubkeybox;
private system.windows.forms.label label2;
private system.windows.forms.textbox prvkeybox;
private system.windows.forms.label label3;
private system.windows.forms.textbox encrypebox;
private system.windows.forms.label label4;
private system.windows.forms.label label5;
private system.windows.forms.textbox str2box;
private system.windows.forms.button crypebtn;
}
}
rsa代码
using system;
using system.collections.generic;
using system.componentmodel;
using system.data;
using system.drawing;
using system.linq;
using system.text;
using system.windows.forms;
using system.security.cryptography;
namespace rsa算法
{
public partial class form1 : form
{
public form1()
{
initializecomponent();
}
private void crypebtn_click(object sender, eventargs e)
{
//创建rsa加密算法服务提供者
rsacryptoserviceprovider rsa = new rsacryptoserviceprovider();
//显示公钥和私钥
pubkeybox.text = rsa.toxmlstring(false);
prvkeybox.text = rsa.toxmlstring(true);
//执行加密
byte[] encrypebytes = rsa.encrypt(encoding.utf8.getbytes(strbox.text), true);
encrypebox.text = encoding.utf8.getstring(encrypebytes);
//执行解密
byte[] decrypebytes = rsa.decrypt(encrypebytes, true);
str2box.text = encoding.utf8.getstring(decrypebytes);
}
}
}
运行效果：
ps：关于加密解密感兴趣的朋友还可以参考本站在线工具：
文字在线加密解密工具（包含aes、des、rc4等）：
md5在线加密工具:
在线散列/哈希算法加密工具:
在线md5/hash/sha-1/sha-2/sha-256/sha-512/sha-3/ripemd-160加密工具：
在线sha1/sha224/sha256/sha384/sha512加密工具：
更多关于c#相关内容还可查看本站专题：《c#加密与解密算法与技巧总结》、《c#窗体操作技巧汇总》、《c#常见控件用法教程》、《winform控件用法总结》、《c#数据结构与算法教程》、《c#数组操作技巧总结》及《c#面向对象程序设计入门教程》
希望本文所述对大家c#程序设计有所帮助。
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