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State convergence in the initialisation of the Sfinks stream cipher

Alhamdan, Ali, Bartlett, Harry, Simpson, Leonie, Dawson, Edward, & Wong, Kenneth Koon-Ho (2012) State convergence in the initialisation of the Sfinks stream cipher. In Pieprzyk, Josef & Thomborson, Clark (Eds.) Proceedings of the Tenth Australasian Information Security Conference (AISC 2012), Australian Computer Society Inc., RMIT University, Melbourne, VIC, pp. 32-27.

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Abstract

Sfinks is a shift register based stream cipher designed for hardware implementation. The initialisation state update function is different from the state update function used for keystream generation. We demonstrate state convergence during the initialisation process, even though the individual components used in the initialisation are one-to-one. However, the combination of these components is not one-to-one.

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ID Code: 48533
Item Type: Conference Paper
Keywords: stream cipher, initialisation process, state convergence, Sfinks
ISBN: 9781921770067
Subjects: Australian and New Zealand Standard Research Classification > INFORMATION AND COMPUTING SCIENCES (080000)
Divisions: Current > Schools > School of Electrical Engineering & Computer Science
Past > Institutes > Information Security Institute
Current > Schools > School of Mathematical Sciences
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2012 Australian Computer Society Inc.
Copyright Statement: This paper appeared at the 10th Australasian Information Secu- rity Conference (AISC 2012), Melbourne, Australia, January- February 2012. Conferences in Research and Practice in In- formation Technology (CRPIT), Vol. 125, Josef Pieprzyk and Clark Thomborson, Eds. Reproduction for academic, not-for- profit purposes permitted provided this text is included.
Deposited On: 10 Feb 2012 09:10
Last Modified: 08 Mar 2013 07:43

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