I think what you are looking for is TRESOR. https://www1.informatik.uni-erlangen.de/tresor https://www1.informatik.uni-erlangen.de/tresor It has been on HN be

I think what you are looking for is TRESOR. https://www1.informatik.uni-erlangen.de/tresor https://www1.informatik.uni-erlangen.de/tresor It has been on HN before. I doubt anyone is running it on tablet to secure their lights, TV, and toiles though. (Everyone, forgive the joke; but I loved this presumed user's artcile on Android light controls in hotels: https://news.ycombinator.com/item?id=11266796 https://news.ycombinator.com/item?id=11266796)