using System;

using System.Text;

​

public class Program

{

    public static void Main()

    {

        string ClientName = "devpost";

        string Password = "23C55D8DBCF394B74603478C62B32EC3";

        string Keyword = "CelcomDCBTest1";

        string ShortCode = "";

        string dateTime = DateTime.UtcNow.AddHours(+8).ToString("yyyyMMddHHmmss");

        if (!string.IsNullOrWhiteSpace(ShortCode))

            Password = CreateMD5(Password);

        string accessToken = ClientName + Keyword + ShortCode + dateTime + Password;

        accessToken = accessToken.ToUpper();

        accessToken = CreateMD5(accessToken);

        if (!string.IsNullOrWhiteSpace(ShortCode))

            Console.WriteLine("http://sit.mis.etracker.cc/MYPSMSToken/GetToken?AccessToken=" + accessToken + "&Keyword=" + Keyword + "&ShortCode=" + ShortCode + "&DateTime=" + dateTime);

        else

            Console.WriteLine("http://sit.mis.etracker.cc/MYDCBToken/GetToken?AccessToken=" + accessToken + "&ServiceName=" + Keyword + "&&DateTime=" + dateTime);

    }

​

    public static string CreateMD5(string input)

    {

        using (System.Security.Cryptography.MD5 md5 = System.Security.Cryptography.MD5.Create())

        {

            byte[] inputBytes = System.Text.Encoding.ASCII.GetBytes(input);

            byte[] hashBytes = md5.ComputeHash(inputBytes);

            // Convert the byte array to hexadecimal string

            StringBuilder sb = new StringBuilder();

            for (int i = 0; i < hashBytes.Length; i++)

            {

                sb.Append(hashBytes[i].ToString("X2"));

            }

​

            return sb.ToString();

        }

    }

}