BitErrant attack: exploiting SHA1 collisions

What can go wrong in the BitTorrent protocol once SHA1 collisions become reality? A few days after the disclosure of SHAttered, it begins to pop up some ‘practical’ use of SHA1 collisions: The BitErrant attack is a fun little exploit that shows what can go wrong in the BitTorrent protocol when SHA1 collisions become reality. SHA1 collisions…