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2020•IACR Cryptology ePrint ArchiveRequires access

Fuzzy Asymmetric Password-Authenticated Key Exchange.

Andreas Erwig, Julia Hesse, Maximilian Orlt, Siavash Riahi

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Abstract

Password-Authenticated Key Exchange (PAKE) lets users with passwords exchange a cryptographic key. There have been two variants of PAKE which make it more applicable to real-world scenarios: Asymmetric PAKE (aPAKE), which aims at protecting a client’s password even if the authentication server is untrusted, and Fuzzy PAKE (fPAKE), which enables key agreement even if passwords of users are noisy, but “close enough”.

About this research paper

What this paper is about

Password-Authenticated Key Exchange (PAKE) lets users with passwords exchange a cryptographic key. There have been two variants of PAKE which make it more applicable to real-world scenarios: Asymmetric PAKE (aPAKE), which aims at protecting a client’s password even if the authentication server is untrusted, and Fuzzy PAKE (fPAKE), which enables key agreement even if passwords of users are noisy, but “close enough”.

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Available abstract

Password-Authenticated Key Exchange (PAKE) lets users with passwords exchange a cryptographic key. There have been two variants of PAKE which make it more applicable to real-world scenarios: Asymmetric PAKE (aPAKE), which aims at protecting a client’s password even if the authentication server is untrusted, and Fuzzy PAKE (fPAKE), which enables key agreement even if passwords of users are noisy, but “close enough”.

Key concepts: Password, Authenticated Key Exchange, Computer science, Key exchange, Key (lock), Computer security, Authentication (law), S/KEY

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