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

namespace zgMD5
{
    public static class zgMD5
    {
        /// <summary>
        /// 获得MD5加密
        /// </summary>
        /// <param name="str">要加密的文本</param>
        /// <returns>返回加密获得文件</returns>
        public static string GetMd5(string str)
        {
            return GetMD5_32(GetMd5_16(str), "UTF-8");
        }
        private static string GetMd5_16(string ConvertString)
        {
            MD5CryptoServiceProvider md5 = new MD5CryptoServiceProvider();
            string t2 = BitConverter.ToString(md5.ComputeHash(UTF8Encoding.Default.GetBytes(ConvertString)), 4, 8);
            t2 = t2.Replace("-", "");
            return t2;
        }
        private static string GetMD5_32(string s, string _input_charset)
        {
            MD5CryptoServiceProvider md5 = new MD5CryptoServiceProvider();
            byte[] t = md5.ComputeHash(Encoding.GetEncoding(_input_charset).GetBytes(s));//计算该数组的哈希值
            StringBuilder sb = new StringBuilder(32);
            for (int i = 0; i < t.Length; i++)
            {
                sb.Append(t[i].ToString("x").PadLeft(2, '0'));
            }
            return sb.ToString();
        }
    }
}