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你的主页或者你治理的网站有各种密码需要保护,把密码直接放在数据库或者文件中存在不少安全隐患,所以密码加密后存储是最常见的做法。在ASP.NET中实现加密异常轻易。.NET SDK中提供了CookieAuthentication类,其中的HashPasswordForStoringInConfigFile方式可直接使用MD5和SHA1算法。例子如下:<br> file: encrypting.aspx<br> <%@ Page language=\"c#\" Codebehind=\"encrypting.cs\" AutoEventWireup=\"false\" Inherits=\"encrypting.encrypting\" %><br> <html><head><br> <meta name=\"GENERATOR\" Content=\"Microsoft Visual Studio 7.0\"><br> <meta name=\"CODE_LANGUAGE\" Content=\"C#\"></head><br> <body><br> <br> <form method=\"post\" runat=\"server\"><br> <p> </p><br> <p><br> <asp:TextBox id=TextBox1 runat=\"server\"></asp:TextBox><br> <asp:Button id=Button1 runat=\"server\" Text=\"encrypting\"></asp:Button></p><br> <p>Encrypting Password(MD5):<br> <asp:Label id=MD5 runat=\"server\"></asp:Label></p><br> </form><br> <br> </body></html><br> <br> file:encrypting.cs<br> <br> namespace encrypting<br> {<br> using System;<br> using System.Collections;<br> using System.ComponentModel;<br> using System.Data;<br> using System.Drawing;<br> using System.Web;<br> using System.Web.SessionState;<br> using System.Web.UI;<br> using System.Web.UI.WebControls;<br> using System.Web.UI.HtmlControls;<br> using System.Web.Security;<br> /// <summary><br> /// Summary description for encrypting.<br> /// </summary><br> public class encrypting : System.Web.UI.Page<br> {<br> protected System.Web.UI.WebControls.Label MD5;<br> protected System.Web.UI.WebControls.Button Button1;<br> protected System.Web.UI.WebControls.TextBox TextBox1;<br> <br> public encrypting()<br> {<br> Page.Init += new System.EventHandler(Page_Init);<br> }<br> protected void Page_Load(object sender, EventArgs e)<br> {<br> if (!IsPostBack)<br> {<br> //<br> // Evals true first time browser hits the page<br> //<br> }<br> }<br> protected void Page_Init(object sender, EventArgs e)<br> {<br> //<br> // CODEGEN: This call is required by the ASP+ Windows Form Designer.<br> //<br> InitializeComponent();<br> }<br> /// <summary><br> /// Required method for Designer support - do not modify<br> /// the contents of this method with the code editor.<br> /// </summary><br> private void InitializeComponent()<br> {<br> Button1.Click += new System.EventHandler (this.Button1_Click);<br> this.Load += new System.EventHandler (this.Page_Load);<br> }<br> public void Button1_Click (object sender, System.EventArgs e)<br> {<br> MD5.Text = CookieAuthentication.HashPasswordForStoringInConfigFile(TextBox1.Text,\"MD5\");<br> //SHA1 use CookieAuthentication.HashPasswordForStoringInConfigFile(TextBox1.Text,\"SHA1\");<br> }<br> }<br> }<br> 注重:类CookieAuthentication的namespace是System.Web.Security。 返回类别: 教程 上一教程: Net:解读微软互联网新战略(上) 下一教程: .NET 数据访问架构指南(一) 您可以阅读与"ASP.NET中密码保护,MD5和SHA1算法的使用"相关的教程: · ASP.NET中密码保护,MD5和SHA1算法的使用 · 在.net中实现与ASP完全兼容的MD5算法(包括中文字符) · 随机函数生成密码的asp.net版本 · 在ASP.NET中使用.NET组件 · 在 ASP.NET 中使用多个 runat=server form |
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