Backup/shequ/App_Code/Encrypt.cs

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using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

namespace Messages
{
    public class Encrypt
    {
        private Encrypt()
        { }

        /// <summary>
        /// 一次加密
        /// </summary>
        /// <param name="strPsswd"></param>
        /// <returns></returns>
        public static string EncryptOne(string strPsswd)
        {
            strPsswd = System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(strPsswd, "MD5");
            return strPsswd;
        }

        /// <summary>
        /// 多次加密
        /// </summary>
        /// <param name="n"></param>
        /// <param name="pass"></param>
        /// <returns></returns>
        public static string EncryptM(int n, string strPsswd)
        {
            for (int i = 1; i <= n; i++)
            {
                strPsswd = System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(strPsswd, "MD5");
            }
            return strPsswd;
        }
    }
}