Dust or other scratches on taken pictures can be a side channel. See the previous discussion: https://news.ycombinator.com/item?id=18835377 https://news.ycombin

Dust or other scratches on taken pictures can be a side channel. See the previous discussion: https://news.ycombinator.com/item?id=18835377 https://news.ycombinator.com/item?id=18835377