Cryptanalysis of HMAC/NMAC-Whirlpool

Abstract

In this paper, we present universal forgery and key recovery attacks on the most popular hash-based MAC constructions, e.g., HMAC and NMAC, instantiated with an AES-like hash function Whirlpool. These attacks work with Whirlpool reduced to 6 out of 10 rounds in single-key setting. To the best of our knowledge, this is the first result on “original” key… (More)
DOI: 10.1007/978-3-642-42045-0_2
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