using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.Cryptography;
using System.Text;
using System.Web;
using System.Web.Mvc;
using YTSoft.BaseCallCenter.MVCWeb.Controllers;

namespace CallCenterApi.Interface.Controllers.Login
{
    public class AES256Controller : BaseController
    {
        // GET: AES256
        public ActionResult Index()
        {
            return View();

        }

        private static string Key
        {
            //get { return @")O[NB]6,YF}+efcaj{+oESb9d8>Z'e9M"; }
            get { return @")O[9d]6,YF}+efcaj{+8>Z'e9M"; }
        }
            


        /// <summary>
        /// AES加密
        /// </summary>
        /// <param name="encryptStr">明文</param>
        /// <param name="key">32位密钥</param>
        /// <returns></returns>
        public  string Encrypt(string encryptStr,string ltime)
        {
            byte[] keyArray = UTF8Encoding.UTF8.GetBytes(Key+ltime);
            byte[] toEncryptArray = UTF8Encoding.UTF8.GetBytes(encryptStr);
            RijndaelManaged rDel = new RijndaelManaged();
            rDel.Key = keyArray;
            rDel.Mode = CipherMode.ECB;
            rDel.Padding = PaddingMode.PKCS7;
            ICryptoTransform cTransform = rDel.CreateEncryptor();
            byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);
            return Convert.ToBase64String(resultArray, 0, resultArray.Length);
        }

        /// <summary>
        /// AES解密
        /// </summary>
        /// <param name="decryptStr">密文</param>
        /// <param name="key">密钥</param>
        /// <returns></returns>
        public  string Decrypt(string decryptStr, string ltime)
        {
            byte[] keyArray = UTF8Encoding.UTF8.GetBytes(Key+ltime );
            byte[] toEncryptArray = Convert.FromBase64String(decryptStr);
            RijndaelManaged rDel = new RijndaelManaged();
            rDel.Key = keyArray;
            rDel.Mode = CipherMode.ECB;
            rDel.Padding = PaddingMode.PKCS7;
            ICryptoTransform cTransform = rDel.CreateDecryptor();
            byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);
            return UTF8Encoding.UTF8.GetString(resultArray);
        }

    }
}