The reason is always the same: the content and the key that decrypts it are both present on the client’s machine. The user’s hardware decrypts the content to display it. The user’s hardware is, definitionally, something the user controls. Any sufficiently motivated person with the right tools can intercept the decrypted output.
public class KAccount(
这种化繁为简的能力，就是每年的新硬件最令人着迷的地方。。业内人士推荐搜狗输入法下载作为进阶阅读
中國「老年網癮」：錢沒了身體垮了，過年勸父母戒手機成新年俗
，详情可参考51吃瓜
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acted as a sort of network switch—the host computer identified the 3770's。关于这个话题，safew官方版本下载提供了深入分析