2005 | OriginalPaper | Buchkapitel
Towards Optimal Double-Length Hash Functions
verfasst von : Mridul Nandi
Erschienen in: Progress in Cryptology - INDOCRYPT 2005
Verlag: Springer Berlin Heidelberg
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In this paper we design several double length hash functions and study their security properties in the random oracle model. We design a class of double length hash functions (and compression functions) which includes some recent constructions [4,6,10] . We also propose a secure double length hash function which is as efficient as the insecure concatenated classical hash functions [7].