Welcome to the resource topic for 2017/553
Title:
Further Analysis of a Proposed Hash-Based Signature Standard
Authors: Scott Fluhrer
Abstract:We analyze the concrete security of a hash-based signature scheme described in the most recent Internet Draft by McGrew, Fluhrer and Curcio. We perform this analysis in the random-oracle model, where the Merkle-Damgård hash compression function is models as the random oracle. We show that, even with a large number of different keys the attacker can choose from, and a huge computational budget, the attacker succeeds in creating a forgery with negligible probability (< 2^{-129}).
ePrint: https://eprint.iacr.org/2017/553
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