Subject: CSS broken
Monday sourcecode for the CSS algorithm was released through an
anonymous
remailer. CSS is the encryption algorithm used on DVD movies, and it
was
suspected that it was weak beyond just having a 40 bit key. Yesterday
I
found it to be vulnerable to a trivial 2^16 attack with as little as 6
bytes
of known plaintext.
I posted the details on:
http://livid.on.openprojects.net/pipermail/livid-dev/1999-October/000589.html