MD5加密

命名空间：

using System.Security.Cryptography;

using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.Cryptography;
using System.Text;
using System.Threading.Tasks;

namespace MD5加密
{
    class Program
    {
        static void Main(string[] args)
        {
            string s = "123456";
            string md5 = GetMD5(s);
            Console.WriteLine(md5);
            Console.ReadLine();
        }
        private static string GetMD5(string s)
        {
            MD5 md = MD5.Create();
            byte[] buffer = Encoding.GetEncoding("GBK").GetBytes(s);
            byte[] mdBuffer = md.ComputeHash(buffer);
            //字节数组转字符串
            //将字节数组的每个元素按照指定的编码转成字符串输出
            //直接进行ToString
            //将字节数组中的每一个元素进项ToString
            string res = "";
            for (int i = 0; i < mdBuffer.Length; i++)
            {
                res += mdBuffer[i].ToString("x2");
            }
            return res;
            //e10adc3949ba59abbe56e057f20f883e
        }
    }
}