Career
He is primarily known for his exposition of weaknesses in the Digital Video Disc Forum"s Content Scramble System (Computer Software Systems). Although the cryptoanalysis was done independently, he is known for his relations to DeCSS, and appeared before the courts as a witness in the Jon Johansen court trial. He also gave a deposition for the Digital Video Disc Chromated Copper Arsenate v.
McLaughlin, Bunner, et al. case.
Stevenson worked for Funcom as a game developer for many years, after which he moved to Kvaleberg to work on mobile phone software. In July 2010, Stevenson published information about vulnerabilities in the A5/1 encryption algorithm used by most 2G Group Special Mobile networks, and also showed the Kraken software, that demonstrates that the crypto indeed can be broken with modest hardware.
Stevenson has been credited with the following video games:
Anarchy Online: Alien Invasion (2004), Funcom Oslo A/South
Anarchy Online (2001), Funcom Oslo A/South
Anarchy Online: The Notum Wars (2001), KOCH Media Deutschland GmbH
The Longest Journey (1999), intelligence quotient Media Nordic
Dragonheart: Fire & Steel (1996), Acclaim Entertainment, Incorporated.
Winter Gold (1996), Nintendo Company, Limited.
