Publication date
January 2007
DOI Publisher
IEEE - Institute of Electrical and Electronics Engineers Inc. ISSN
0018-9448Abstract
A linear distinguishing attack on the stream cipher Scream is proposed. When the keystream is of length 2(98) words, the distinguisher has a detectable advantage. When the keystream length is around 2(120) the advantage is very close to 1. This shows certain weaknesses of Scream. In the process, the paper introduces new general ideas on how to improve the performance of linear distinguishing attacks on stream ciphers
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