ASP.NET中密码保护 -pc6资讯

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ASP.NET中密码保护 时间：2004/10/7 18:13:00来源：本站整理作者：蓝点我要评论(0)

　你的主页或者你管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中实现加密非常容易。.NET SDK中提供了CookieAuthentication类，其中的HashPasswordForStoringInConfigFile方法可直接使用MD5和SHA1算法。例子如下：
file: encrypting.aspx

Encrypting Password(MD5):

file:encrypting.cs

namespace encrypting
{
   using System;
   using System.Collections;
   using System.ComponentModel;
   using System.Data;
   using System.Drawing;
   using System.Web;
   using System.Web.SessionState;
   using System.Web.UI;
   using System.Web.UI.WebControls;
   using System.Web.UI.HtmlControls;
   using System.Web.Security;
   ///

   ///    Summary description for encrypting.
   ///
   public class encrypting : System.Web.UI.Page
   {
protected System.Web.UI.WebControls.Label MD5;
protected System.Web.UI.WebControls.Button Button1;
protected System.Web.UI.WebControls.TextBox TextBox1;

public encrypting()
{
    Page.Init += new System.EventHandler(Page_Init);
       }
       protected void Page_Load(object sender, EventArgs e)
       {
           if (!IsPostBack)
           {
               //
               // Evals true first time browser hits the page
               //
           }
       }
       protected void Page_Init(object sender, EventArgs e)
       {
           //
           // CODEGEN: This call is required by the ASP+ Windows Form Designer.
           //
           InitializeComponent();
       }
       ///

       ///    Required method for Designer support - do not modify
       ///    the contents of this method with the code editor.
       ///
       private void InitializeComponent()
{
  Button1.Click += new System.EventHandler (this.Button1_Click);
  this.Load += new System.EventHandler (this.Page_Load);
}
public void Button1_Click (object sender, System.EventArgs e)
{
  MD5.Text = CookieAuthentication.HashPasswordForStoringInConfigFile(TextBox1.Text,"MD5");
  //SHA1 use CookieAuthentication.HashPasswordForStoringInConfigFile(TextBox1.Text,"SHA1");
}
   }
}
注意：类CookieAuthentication的namespace是System.Web.Security。

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