Web: http://arxiv.org/abs/2209.06556

Sept. 15, 2022, 1:20 a.m. | Sigurd Eskeland, Ahmed Fraz Baig

cs.CR updates on arXiv.org arxiv.org

Continuous authentication has been proposed as a complementary security
mechanism to password-based authentication for computer devices that are
handled directly by humans, such as smart phones. Continuous authentication has
some privacy issues as certain user features and actions are revealed to the
authentication server, which is not assumed to be trusted. Wei et al. proposed
in 2021 a privacy-preserving protocol for behavioral authentication that
utilizes homomorphic encryption. The encryption prevents the server from
obtaining sampled user features. In this paper, …

authentication cryptanalysis privacy

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