.NET AES加解密（128位）

AES加密（128位）：

         /// <summary>
         /// 有密码的AES加密
         /// </summary>
         internal static string Encrypt(string toEncrypt)
         {
             var keyArray = Encoding.GetEncoding(Charset).GetBytes(key);;
             var toEncryptArray = Encoding.GetEncoding(Charset).GetBytes(toEncrypt);
             using (var acsp = new AesCryptoServiceProvider { KeySize = , BlockSize =  })
             {
                 acsp.GenerateIV();
                 using (var aes = new AesCryptoServiceProvider { Key = keyArray, IV = acsp.IV, Mode = CipherMode.ECB, Padding = PaddingMode.PKCS7 })
                 {
                     byte[] resultArray;
                     using (var cTransform = aes.CreateEncryptor())
                     {
                         resultArray = cTransform.TransformFinalBlock(toEncryptArray, , toEncryptArray.Length);
                     }
                     return Convert.ToBase64String(resultArray);
                 }
             }
         }

AES解密（128位）：

         /// <summary>
         /// AES解密
         /// </summary>
         internal static string Decrypt(string toDecrypt, string key)
         {
             var keyArray = Encoding.GetEncoding(Charset).GetBytes(key);
             var toDecryptArray = Convert.FromBase64String(toDecrypt);
             using (var acsp = new AesCryptoServiceProvider { KeySize = , BlockSize =  })
             {
                 acsp.GenerateIV();
                 using (var aes = new AesCryptoServiceProvider { Key = keyArray, IV = acsp.IV, Mode = CipherMode.ECB, Padding = PaddingMode.PKCS7 })
                 {
                     byte[] resultArray;
                     using (var cTransform = aes.CreateDecryptor())
                     {
                         resultArray = cTransform.TransformFinalBlock(toDecryptArray, , toDecryptArray.Length);
                     }
                     return Encoding.GetEncoding(Charset).GetString(resultArray);
                 }
             }
         }