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IEICE TRANSACTIONS on Fundamentals

Compression Function Design Principles Supporting Variable Output Lengths from a Single Small Function

Donghoon CHANG, Mridul NANDI, Jesang LEE, Jaechul SUNG, Seokhie HONG, Jongin LIM, Haeryong PARK, Kilsoo CHUN

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Summary :

In this paper, we introduce new compression function design principles supporting variable output lengths (multiples of size n). They are based on a function or block cipher with an n-bit output size. In the case of the compression function with a(t+1)n-bit output size, in the random oracle and ideal cipher models, their maximum advantages from the perspective of collision resistance are . In the case of t=1, the advantage is near-optimal. In the case of t>1, the advantage is optimal.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E91-A No.9 pp.2607-2614
Publication Date
2008/09/01
Publicized
Online ISSN
1745-1337
DOI
10.1093/ietfec/e91-a.9.2607
Type of Manuscript
PAPER
Category
Cryptography and Information Security

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