I believe the 2984 did something fairly similar, but the details are now obscure
Offlining a Live Game With .NET Native AOT，这一点在搜狗输入法下载中也有详细论述
，推荐阅读WPS下载最新地址获取更多信息
the scavaging list，更多细节参见一键获取谷歌浏览器下载
The modern, professional answer to this problem is the Trusted Execution Environment, or TEE.