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c#,MD5加密算法的一个实例_[Asp.Net教程]

Writer: delv Article type: Programming skills(编程技巧) Time: 2014/1/10 6:28:51 Browse times: 314 Comment times: 0

c#,MD5加密算法的一个实例_[Asp.Net教程]


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c# MD5加密算法的一个实例_[Asp.Net教程] 环境:vs.net2005/sql server2000/xp测试通过

1.MD5 16位加密实例

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"));
}
/**////


/// MD5 16位加密
///

///
///
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;
}
http://www.cnblogs.com/sopper/archive/2007/01/08/615111.html
/**////
/// MD5 32位加密
///

///
///
static string UserMd5(string str)
{
string cl = str;
string pwd = "";
MD5 md5 = MD5.Create();//实例化一个md5对像
// 加密后是一个字节类型的数组,这里要注意编码UTF8/Unicode等的选择 
byte[] s = md5.ComputeHash(Encoding.UTF8.GetBytes(cl));
// 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

pwd = pwd + s[i].ToString("X");

}
return pwd;
}
}
}

http://www.cnblogs.com/54tiger/archive/2007/01/10/616656.html

来源:博客园





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