[Resource Topic] 2005/039: Distinguishing Stream Ciphers with Convolutional Filters

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Title:
Distinguishing Stream Ciphers with Convolutional Filters

Authors: Joan Daemen, Gilles Van Assche

Abstract:

This paper presents a new type of distinguisher for the shrinking generator and the alternating-step generator with known feedback polynomial and for the multiplexor generator. For the former the distinguisher is more efficient than existing ones and for the latter it results in a complete breakdown of security. The distinguisher is conceptually very simple and lends itself to theoretical analysis leading to reliable predictions of its probability of success.

ePrint: https://eprint.iacr.org/2005/039

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