State convergence and the effectiveness of time-memory-data tradeoffs

Teo, Sui-Guan, Simpson, Leonie R., Wong, Kenneth Koon-Ho, & Dawson, Edward (2011) State convergence and the effectiveness of time-memory-data tradeoffs. In Abraham, Ajith, Zheng, Daniel, Agrawal, Dharma, Abdollah, Mohd Faizal, Corchado, Emilio, Casola, Valentina, et al. (Eds.) Proceedings of the 7th International Conference on Information Assurance and Security, IEEE, Universiti Teknikal Malaysia Melaka , Malacca, Malaysia, pp. 92-97.

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Various time-memory tradeoffs attacks for stream ciphers have been proposed over the years. However, the claimed success of these attacks assumes the initialisation process of the stream cipher is one-to-one. Some stream cipher proposals do not have a one-to-one initialisation process. In this paper, we examine the impact of this on the success of time-memory-data tradeoff attacks. Under the circumstances, some attacks are more successful than previously claimed while others are less. The conditions for both cases are established.

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ID Code: 47843
Item Type: Conference Paper
Refereed: Yes
Additional Information: This is an updated version of the paper which was submitted to IAS 2011. That paper contained some errors in the calculation of the time, memory, and data complexities of the attacks. This paper contains the correct figures.
Keywords: Stream Ciphers, Time-Memory-Data tradeoffs, State Convergence, Mixer, ZUC, A5/1
ISSN: 9781457721533
Subjects: Australian and New Zealand Standard Research Classification > INFORMATION AND COMPUTING SCIENCES (080000) > COMPUTER SOFTWARE (080300) > Computer System Security (080303)
Divisions: Past > Schools > Computer Science
Past > QUT Faculties & Divisions > Faculty of Science and Technology
Past > Institutes > Information Security Institute
Copyright Owner: Copyright 2011 IEEE
Copyright Statement: Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Deposited On: 20 Dec 2011 22:15
Last Modified: 24 Dec 2011 02:50

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