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arxiv: 0708.1768 · v1 · submitted 2007-08-14 · 🧮 math.GR · cs.CR

Cryptanalysis of shifted conjugacy authentication protocol

classification 🧮 math.GR cs.CR
keywords protocolauthenticationshiftedattackconjugacyconjugacy-basedcryptanalysisdehornoy
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In this paper we present the first practical attack on the shifted conjugacy-based authentication protocol proposed by P. Dehornoy. We discuss the weaknesses of that primitive and propose ways to improve the protocol.

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