using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace cstest
{
    static class Program
    {
        /// <summary>
        /// 应用程序的主入口点。
        /// </summary>
        [STAThread]
        static void Main()
        {
            string md5 = "AT中国123";
            byte[] sss = Encoding.UTF8.GetBytes(md5);

            string ss2 = System.Text.Encoding.GetEncoding("gb2312").GetString(sss);
            
            byte[] result = new byte[32];

           // result = Encoding.UTF8.GetBytes(md5);

            IntPtr intptr = Marshal.AllocHGlobal(32);
            int len = 32;
            if ( 0 == GetStringMD5(ss2, intptr,  len) )
            //if (0 == GetFileMD5(@"D:\0.dat", intptr, len))
            {
                System.Runtime.InteropServices.Marshal.Copy(intptr, result, 0, 32);
                string md52 = Encoding.Default.GetString(result);
            }




            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);
            Application.Run(new Form1());
        }


        #region
        [DllImport("lyfzMD5.dll", EntryPoint = "GetStringMD5")]
        public static extern int GetStringMD5(string input, IntPtr result, int len);
        [DllImport("lyfzMD5.dll", EntryPoint = "GetFileMD5")]
        public static extern int GetFileMD5(string filepath, IntPtr result, int len);
        #endregion
    }
}