On the (In)Security of Stream Ciphers Based on Arrays and Modular Addition

Stream ciphers play an important role in symmetric cryptology because of their suitability in high speed applications where block ciphers fall short. A large number of fast stream ciphers or Pseudo-Random Bit Generators (PRBG's) can be found in the literature that are based on arrays and simple operations such as modular additions, rotations and memory accesses. This paper investigates the security of array-based stream ciphers (or PRBG's) against certain types of distinguishing attacks in a unified way.

Provided by: Katholieke Universiteit Leuven Topic: Security Date Added: Sep 2006 Format: PDF

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