A central theme of Walled Culture the book (free digital versions available) and this blog is that the copyright industry is never satisfied. Now matter how long the term of copyright, publishers a…
File headers, magic bits, all sorts of stuff. Plus you can (and they do) try to load common file types, so if a PNG isn’t loading correctly, it fails the test.
“Oh sorry, looks like we couldn’t decrypt that traffic, those packets went to the burn pile”
How do they know what qualifies as “encrypted” vs a binary blob that could be a photo or something?
File headers, magic bits, all sorts of stuff. Plus you can (and they do) try to load common file types, so if a PNG isn’t loading correctly, it fails the test.