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Continuous Authentication in Secure Messaging
Sept. 14, 2022, 1 a.m. |
IACR News www.iacr.org
ePrint Report: Continuous Authentication in Secure Messaging
Benjamin Dowling, Felix Günther, Alexandre Poirrier
Secure messaging schemes such as the Signal protocol rely on out-of-band channels to verify the authenticity of long-running communication. Such out-of-band checks however are only rarely actually performed by users in practice.
In this paper, we propose a new method for performing continuous authentication during a secure messaging session, without the need for an out-of-band channel. Leveraging the users' long-term secrets, our Authentication Steps extension guarantees authenticity …
authentication continuous eprint report messaging secure messaging
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