Aes加密解密

  private static string key { get { return "lelelelelelelele"; } }
        private static byte[] AesIv = { 0x12, 0x34, 0x56, 0x78, 0x90, 0xAB, 0xCD, 0xEF, 0x12, 0x34, 0x56, 0x78, 0x90, 0xAB, 0xCD, 0xEF };
        public static string AesEncrpt(string input)
        {
            Aes aes = Aes.Create();
            aes.Key = Encoding.UTF8.GetBytes(key);
            aes.IV = AesIv;
            byte[] inputing = Encoding.UTF8.GetBytes(string.IsNullOrEmpty(input) ? string.Empty : input);
            byte[] reslut = null;
            using (MemoryStream ms=new MemoryStream ())
            {
                using (CryptoStream cs=new CryptoStream (ms,aes.CreateEncryptor(),CryptoStreamMode.Write))
                {
                    cs.Write(inputing,0,inputing.Length);
                    cs.FlushFinalBlock();
                    reslut = ms.ToArray();
                    cs.Close();
                    ms.Close();
                }
            }
            string a= System.Convert.ToBase64String(reslut);
            return System.Convert.ToBase64String(reslut);
        }
        public static string AesDecrpt(string deinput)
        {
            byte[] entypeintpt = System.Convert.FromBase64String(string.IsNullOrEmpty(deinput) ? string.Empty : deinput);
            Aes aes = Aes.Create();
            aes.Key = Encoding.UTF8.GetBytes(key);
            aes.IV = AesIv;
            byte[] deinput1 = new byte[entypeintpt.Length];
            using (MemoryStream ms=new MemoryStream (entypeintpt))
            {
                using (CryptoStream cs=new CryptoStream (ms,aes.CreateDecryptor(),CryptoStreamMode.Read))
                {
                    cs.Read(deinput1, 0, deinput1.Length);
                    cs.Close();
                    ms.Close();
                }
            }
            return Encoding.UTF8.GetString(deinput1).Replace("\0", "");
        }