<%@ Page Language="C#" ContentType="text/html"%>
<%@ Import Namespace="System"%>
<script language="C#" runat="server">
void Page_Load(Object sender,EventArgs e){
//获取要加密的字段，并转化为Byte[]数组
byte[] data=System.Text.Encoding.Unicode.GetBytes(source.Text.ToCharArray());
//建立加密服务
System.Security.Cryptography.MD5 md5 = new System.Security.Cryptography.MD5CryptoServiceProvider();
//加密Byte[]数组
byte[] result= md5.ComputeHash(data);
//将加密后的数组转化为字段
string sResult=System.Text.Encoding.Unicode.GetString(result);
//显示出来
sha1_1.Text="MD5普通加密："+sResult.ToString()+"<br/>";
//作为密码方式加密
string EnPswdStr=System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(source.Text.ToString(),"MD5");
//显示出来
sha1_2.Text="MD5密码加密："+EnPswdStr+"<br/>";
}
</script>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>测试</title>
</head>
<body>
<h3>SHA1加密</h3>
<form runat="server">
<asp:label id="sha1_1" runat="server"></asp:label>
<asp:label id="sha1_2" runat="server"></asp:label>
<asp:textbox ID="source" runat="server" TextMode="SingleLine" Text="test" AutoPostBack="true" />
（回车）
</form>
</body>
</html>ASP.net中md5加密码的方法
原文：http://www.jb51.net/article/368.htm
