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https://doi.org/10.1007/978-3-...
Part of book or chapter of book . 2009 . Peer-reviewed
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Cryptanalysis on HMAC/NMAC-MD5 and MD5-MAC

descriptionPublicationkeyboard_double_arrow_right Part of book or chapter of book , Article 01 Jan 2009Publisher:Springer Berlin Heidelberg
Authors: Xiaoyun Wang; Hongbo Yu; Wei Wang; Haina Zhang; Tao Zhan;

doi: 10.1007/978-3-642-01001-9_7

Cryptanalysis on HMAC/NMAC-MD5 and MD5-MAC

Abstract

In this paper, we present the first distinguishing attack on HMAC and NMAC based on MD5 without related keys, which distinguishes the HMAC/NMAC-MD5 from HMAC/NMAC with a random function. The attack needs 297 queries, with a success probability 0.87, while the previous distinguishing attack on HMAC-MD5 reduced to 33 rounds takes 2126.1 messages with a success rate of 0.92. Furthermore, we give distinguishing and partial key recovery attacks on MDx -MAC based on MD5. The MDx -MAC was proposed by Preneel and van Oorschot in Crypto'95 which uses three subkeys derived from the initial key. We are able to recover one 128-bit subkey with 297 queries.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
30
Top 10%
Top 10%
Top 10%
bronze