Slide attacks on the Sfinks stream cipher

Alhamdan, Ali, Bartlett, Harry, Dawson, Ed , Simpson, Leonie, & Wong, Kenneth Koon-Ho (2012) Slide attacks on the Sfinks stream cipher. In Proceedings of the 6th International Conference on Signal Processing and Communication Systems, IEEE, Radisson Resort, Gold Coast, Qld.


Sfinks is a shift register based stream cipher designed for hardware implementation and submitted to the eSTREAM project. In this paper, we analyse the initialisation process of Sfinks. We demonstrate a slid property of the loaded state of the Sfinks cipher, where multiple key-IV pairs may produce phase shifted keystream sequences. The state update functions of both the initialisation process and keystream generation and also the pattern of the padding affect generation of the slid pairs.

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ID Code: 57427
Item Type: Conference Paper
Refereed: Yes
Additional URLs:
Keywords: Initialisation process, Sfinks, Slide attack, Slid pairs, Slid resynchronisation, Stream cipher
ISBN: 9781467323918
Subjects: Australian and New Zealand Standard Research Classification > INFORMATION AND COMPUTING SCIENCES (080000) > COMPUTATION THEORY AND MATHEMATICS (080200) > Analysis of Algorithms and Complexity (080201)
Australian and New Zealand Standard Research Classification > INFORMATION AND COMPUTING SCIENCES (080000) > OTHER INFORMATION AND COMPUTING SCIENCES (089900) > Information and Computing Sciences not elsewhere classified (089999)
Divisions: Current > Schools > School of Electrical Engineering & Computer Science
Current > Institutes > Institute for Future Environments
Current > Schools > School of Mathematical Sciences
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2012 IEEE
Copyright Statement: This work has been submitted to the IEEE for possible publication. Copyright may be transferred without notice, after which this version may no longer be accessible
Deposited On: 20 Feb 2013 22:49
Last Modified: 29 May 2013 09:47

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