A Novel Probabilistic Passive Attack on the Protocols HB and HB+

José CARRIJO; Rafael TONICELLI; Hideki IMAI; Anderson C.A. NASCIMENTO

doi:10.1587/transfun.E92.A.658

IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences

Online ISSN : 1745-1337
Print ISSN : 0916-8508

Regular Section

A Novel Probabilistic Passive Attack on the Protocols HB and HB⁺

José CARRIJO, Rafael TONICELLI, Hideki IMAI, Anderson C.A. NASCIMENTO

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Keywords: authentication, protocol HB/HB⁺, cryptoanalysis

JOURNAL RESTRICTED ACCESS

2009 Volume E92.A Issue 2 Pages 658-662

DOI https://doi.org/10.1587/transfun.E92.A.658

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Abstract

We present a very simple probabilistic, passive attack against the protocols HB and HB⁺. Our attack presents some interesting features: it requires less captured transcripts of protocol executions when compared to previous results; It makes possible to trade the amount of required transcripts for computational complexity; the value of noise used in the protocols HB and HB⁺ need not be known.

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