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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.。WPS下载最新地址对此有专业解读
（三）其他经省级以上有关主管部门认定的不宜使用的名称。，详情可参考WPS下载最新地址
Daniel Larlham Jr.