HTTP session-id’s take an important role in almost any web site today. This paper presents a cryptanalysis of Java Servlet 128-bit session-id’s and an efficient practical predi...
Abstract. Synchronous stream ciphers need perfect synchronization between sender and receiver. In practice, this is ensured by a resync mechanism. Daemen et al. [10] first describ...
Abstract. We present a new stream cipher, Rabbit, based on iterating a set of coupled nonlinear functions. Rabbit is characterized by a high performance in software with a measured...
Martin Boesgaard, Mette Vesterager, Thomas Pederse...
Abstract. We describe a series of new attacks on a CBC-MAC algorithm due to Knudsen and Preneel including two key recovery attacks and a forgery attack. Unlike previous attacks, th...
Don Coppersmith, Lars R. Knudsen, Chris J. Mitchel...
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 l...
Lars R. Knudsen, Vincent Rijmen, Ronald L. Rivest,...