md5convert.cs

asp.net 2.0的教务管理软件源码

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;
using System.Security.Cryptography;
using System.Text;

/// <summary>
/// MD5Convert 的摘要说明
/// </summary>
//该源码下载自www.51aspx.com(５１ａｓｐｘ．ｃｏｍ)
public static class Md5Convert
{
    public static string MD5(string s)
    {
        string pwd = "";
        MD5CryptoServiceProvider md5 = new MD5CryptoServiceProvider();
        byte[] md5s=md5.ComputeHash(Encoding.Unicode.GetBytes(s)); // 通过使用循环，将字节类型的数组转换为字符串，此字符串是常规字符格式化所得 for(int i = 0 ;i <s.Length; i++) {// 将得到的字符串使用十六进制类型格式。格式后的字符是小写的字母，如果使用大写（X）则格式后的字符是大写字符 
        foreach (byte b in md5s)
            pwd = pwd + b.ToString("x");
        return pwd;
    }
}