The block cipher RC2 was designed in 1989 by Ron Rivest for RSA Data Security Inc. In this paper we describe both the cipher and preliminary attempts to use both differential and linear cryptanalysis. Appeared in Fast Software Encryption, FSE 1998, Lecture Notes in Computer Science 1372, S. Vaudenay (ed.), Springer-Verlag, pp. 206
Lars R. Knudsen, Vincent Rijmen, Ronald L. Rivest,