Hospital/web/Common/MD5Encoding.cs

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

namespace Com.Jpsoft.Hospital.Web.Common
{
    public class MD5Encoding
    {
        public static string GetMD5_Str(string str)
        {
            MD5 md5 = new MD5CryptoServiceProvider();

            byte[] buffer = Encoding.ASCII.GetBytes(str);

            string md5Str = BitConverter.ToString(md5.ComputeHash(buffer)).Replace("-", "").ToLower();

            return md5Str;
        }

        public static byte[] GetMD5_Byte(string str)
        {
            return Encoding.ASCII.GetBytes(GetMD5_Str(str));
        }

        public static string GetMD5_Str(FileStream fs)
        {
            MD5 md5 = new MD5CryptoServiceProvider();

            string md5Str = BitConverter.ToString(md5.ComputeHash(fs)).Replace("-", "").ToLower();

            return md5Str;
        }

        public static byte[] GetMD5_Byte(FileStream fs)
        {
            return Encoding.ASCII.GetBytes(GetMD5_Str(fs));
        }
    }
}