[Resource Topic] 2008/350: Higher Order Differential Cryptanalysis of Multivariate Hash Functions

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Title:
Higher Order Differential Cryptanalysis of Multivariate Hash Functions

Authors: Yiyuan Luo, Xuejia Lai

Abstract:

In this paper, we analyze the security of multivariate hash functions and conclude that low degree multivariate functions such as MQ-HASH are neither pseudo-random nor unpredictable. And they are also not computation-resistance, which makes MAC forgery easily.

ePrint: https://eprint.iacr.org/2008/350

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