Here are copys of some CSS related posts to the Livid mailinglist
Most of these are now unavailable from the archives, so I mirror them here.
Anonymous post of CSS C source ( Date Mon, 25 Oct 1999 )
Post describing 216 attack on streamcipher (Date: Wed, 27 Oct 1999). Source.
Post describing attack on playerkeys (Date: Thu, 28 Oct 1999). Source.
Post describing attack on Disk key hash (Date: Sat, 30 Oct 1999). Source.