Bart Preneel, Marnix Nuttin, Vincent Rijmen, Johan Buelens. Cryptanalysis of the CFB Mode of the DES with a Reduced Number of Rounds. In Douglas R. Stinson, editor, Advances in Cryptology - CRYPTO 93, 13th Annual International Cryptology Conference, Santa Barbara, California, USA, August 22-26, 1993, Proceedings. Volume 773 of Lecture Notes in Computer Science, pages 212-223, Springer, 1993. [doi]
Abstract is missing.