Cryptanalysis of Human Identification Protocol with Human-Computable Passwords

Maciej Grzeskowiak,Lukasz Krzywiecki, Karol Niczyj

INFORMATION SECURITY PRACTICE AND EXPERIENCE, ISPEC 2023（2023）

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摘要

In this paper we demonstrate effective attacks on Human Identification Protocol with Human-Computable Passwords (HIPHCP) presented in ISPEC ' 22. The protocol, which was designed to allow fast user identification, is vulnerable to both the active and the passive attacks, where the significant amount of the secret key can be learned by the adversary. This subsequently allow to compromise the full secret key via brute-forcing the remaining secret bits.

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关键词

Cryptoanalysis,Human-Computable Passwords,Identification scheme,Short password,Shared secret

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