A Chosen-Plaintext Linear Attack on DES. - Lars R. Knudsen; John Erik Mathiassen (FSE, 2000)

Improved Fast Correlation Attack Using Low Rate Codes. - Håvard Molland; John Erik Mathiassen; Tor Helleseth (IMACC, 2003)

On the Role of Key Schedules in Attacks on Iterated Ciphers. - Lars R. Knudsen; John Erik Mathiassen (ESORICS, 2004)

Linear complexity over Fp of Sidel'nikov sequences. - Tor Helleseth; John Erik Mathiassen; Martijn Maas; Toon Segers (ISIT, 2004)

Preimage and Collision Attacks on MD2. - Lars R. Knudsen; John Erik Mathiassen (FSE, 2005)

Cryptanalysis of MD2. - Lars R. Knudsen; John Erik Mathiassen; Frédéric Muller; Søren S. Thomsen (J. Cryptol., 2010)