using System;

using System.IO;

using System.Text;

public class Program

{

    public void Main()

    {

        string timestamp = DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss");

        string EncryptId = "LD14-1" + timestamp;

        string EncryptPw = "1111" + timestamp;

        string timestamp1 = string.Empty, EncryptId1 = string.Empty, EncryptPw1 = String.Empty;

        byte[] inputByteArray = null;

        string Key = "wnTC/SBZr9m458b6GlNbkEWUSDaVykTSSEq8tq2OZJw="; 

        string IV = "zGqPHNC1ePvmCuAFs+xd0Q=="; 

        using (System.Security.Cryptography.AesCryptoServiceProvider csp = new System.Security.Cryptography.AesCryptoServiceProvider())

        {

            byte[] rgbKey = Convert.FromBase64String(Key);

            byte[] rgbIV = Convert.FromBase64String(IV);

​

            using (MemoryStream ms = new MemoryStream())

            {

                using ( System.Security.Cryptography.CryptoStream cs = new  System.Security.Cryptography.CryptoStream(ms, csp.CreateEncryptor(rgbKey, rgbIV),  System.Security.Cryptography.CryptoStreamMode.Write))

                {               

                    inputByteArray = Encoding.UTF8.GetBytes(timestamp);

                    cs.Write(inputByteArray, 0, inputByteArray.Length);

                    cs.FlushFinalBlock();

                    timestamp1 = Convert.ToBase64String(ms.ToArray());

                }

            }   

            using (MemoryStream ms = new MemoryStream())

            {   

                using ( System.Security.Cryptography.CryptoStream cs = new  System.Security.Cryptography.CryptoStream(ms, csp.CreateEncryptor(rgbKey, rgbIV),  System.Security.Cryptography.CryptoStreamMode.Write))

                {

                    inputByteArray = Encoding.UTF8.GetBytes(EncryptId);

                    cs.Write(inputByteArray, 0, inputByteArray.Length);

                    cs.FlushFinalBlock();

                    EncryptId1 = Convert.ToBase64String(ms.ToArray());

                }   

            }   

            using (MemoryStream ms = new MemoryStream())

            {       

                using ( System.Security.Cryptography.CryptoStream cs = new  System.Security.Cryptography.CryptoStream(ms, csp.CreateEncryptor(rgbKey, rgbIV),  System.Security.Cryptography.CryptoStreamMode.Write))

                {

                    inputByteArray = Encoding.UTF8.GetBytes(EncryptPw);

                    cs.Write(inputByteArray, 0, inputByteArray.Length);

                    cs.FlushFinalBlock();

                    EncryptPw1 = Convert.ToBase64String(ms.ToArray());                              

                }

            }

        }

        Console.WriteLine(String.Format("?timestamp={0}&EncryptId={1}&EncryptPw={2}", timestamp, EncryptId1, EncryptPw1));

        Console.WriteLine(String.Format("?timestamp={0}&EncryptId={1}&EncryptPw={2}", Uri.EscapeDataString(timestamp), Uri.EscapeDataString(EncryptId1), Uri.EscapeDataString(EncryptPw1)));

    }

​

}