AES128HelperAES128用于加密或解密，使用ECB模式，pcks5或pcks7填充。许可证：MITObjective CAliPay_SDKAli Pay iOS SDK。许可证：MITObjective CTencent_SDKTencent Open iOS SDK。许可证：MITObjective CWeChat_SDKTencent WeChat iOS SDK。许可证：MITObjective CXWDeviceUtilUIDevice+Util许可证：MITObjective C
