C# asp.netÈçºÎʹÓÃMD5¼ÓÃÜ£¬½âÃÜ

using System;
using System.Collections.Generic;
using System.Text;
using System.Security.Cryptography;namespace md5
{
class Program
{
static void Main(string[] args)
{
Console.WriteLine(UserMd5("8"));
Console.WriteLine(GetMd5Str("8"));
}
/**//// <summary>
/// MD5 16λ¼ÓÃÜ
/// </summary>
/// <param name="ConvertString"></param>
/// <returns></returns>
public static string GetMd5Str(string ConvertString)
{
MD5CryptoServiceProvider md5 = new MD5CryptoServiceProvider();
string t2 = BitConverter.ToString(md5.ComputeHash(UTF8Encoding.Default.GetBytes(ConvertString)), 4, 8);
t2 = t2.Replace("-", "");
return t2;
}/**//// <summary>
/// MD5¡¡32λ¼ÓÃÜ
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
static string UserMd5(string str)
{
string cl = str;
string pwd = "";
MD5 md5 = MD5.Create();//ʵÀý»¯Ò»¸ömd5¶ÔÏñ
// ¼ÓÃܺóÊÇÒ»¸ö×Ö½ÚÀàÐ͵ÄÊý×飬ÕâÀïҪעÒâ±àÂëUTF8/UnicodeµÈµÄÑ¡Ôñ¡¡
byte[] s = md5.ComputeHash(Encoding.UTF8.GetBytes(cl));
// ͨ¹ýʹÓÃÑ­»·£¬½«×Ö½ÚÀàÐ͵ÄÊý×éת»»Îª×Ö·û´®£¬´Ë×Ö·û´®Êdz£¹æ×Ö·û¸ñʽ»¯ËùµÃ
for (int i = 0; i < s.Length; i++)
{
// ½«µÃµ½µÄ×Ö·û´®Ê¹ÓÃÊ®Áù½øÖÆÀàÐ͸ñʽ¡£¸ñʽºóµÄ×Ö·ûÊÇСдµÄ×Öĸ£¬Èç¹ûʹÓôóд£¨X£©Ôò¸ñʽºóµÄ×Ö·ûÊÇ´óд×Ö·û pwd = pwd + s[i].ToString("X");}
return pwd;
}
}
}