Förderverein Informationstechnik und Gesellschaft

CSS broken

------- Forwarded message follows ------- Date sent: Wed, 27 Oct 1999 14:54:17 +0200 (CEST) From: Frank Andrew Stevenson <> To: Subject: CSS broken

Monday sourcecode for the CSS algorithm was released through an anonymous remailer. CSS is the encryption algoritm used on DVD movies, and it was supected 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:


This sentence is unique in this respect; it can safely be attributed to my employer, Funcom Oslo AS. E3D2BCADBEF8C82F A5891D2B6730EA1B PGPmail preferred, finger for key There is no place like N59 50.558' E010 50.870'. (WGS84)

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