http://cryptome.org/mpaa-v-2600-cad.htm Decryption in the case of CSS requires a set of "player keys" contained in compliant DVD players, as well as an understanding of the CSS encryption algorithm. Without the player keys and the algorithm, a DVD player cannot access the contents of a DVD. With the player keys and the algorithm, a DVD player can display the movie on a television or a computer screen, but does not give a viewer the ability to use the copy function of the computer to copy the movie or to manipulate the digital content of the DVD. -- JON O. NEWMAN, Circuit Judge. Hey Judge, here's a clue: the fact that a licensed DVD player knows a password to the content on a disk does NOT prohibit copying the medium. Here's another clue: All your hollywood are belong to us; we just need the bandwidth to swap them. If DeCSS were wiped off the earth, licensed players would still play swapped movies.