Improved Security Analysis of Fugue-256 (Poster)

Gauravaram, Praveen, Knudsen, Lars R., Bagheri, Nasour, & Wei, Lei (2011) Improved Security Analysis of Fugue-256 (Poster). In Information Security and Privacy. Springer Berlin Heidelberg, Berlin, pp. 428-432.

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Abstract

We present some improved analytical results as part of the ongoing work on the analysis of Fugue-256 hash function, a second round candidate in the NIST’s SHA3 competition. First we improve Aumasson and Phans’ integral distinguisher on the 5.5 rounds of the final transformation of Fugue-256 to 16.5 rounds. Next we improve the designers’ meet-in-the-middle preimage attack on Fugue-256 from 2480 time and memory to 2416. Finally, we comment on possible methods to obtain free-start distinguishers and free-start collisions for Fugue-256.

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ID Code: 81622
Item Type: Book Chapter
Keywords: Data Encryption, Management of Computing and Information Systems, Operating Systems, Computer Communication Networks, Discrete Mathematics in Computer Science, Computer Imaging, Vision, Pattern Recognition and Graphics
DOI: 10.1007/978-3-642-22497-3_30
ISBN: 978-3-642-22497-3
ISSN: 1611-3349
Divisions: Current > Schools > School of Electrical Engineering & Computer Science
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2011 Springer-Verlag GmbH Berlin Heidelberg
Deposited On: 05 Feb 2015 01:39
Last Modified: 30 Oct 2015 16:11

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