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The Security of Lazy Users in Out-of-Band Authentication
out-of-band messaging authentication
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2018/11/19
Faced with the threats posed by man-in-the-middle attacks, messaging platforms rely on "out-of-band'' authentication, assuming that users have access to an external channel for authenticating one shor...
Out-of-Band Authentication in Group Messaging: Computational, Statistical, Optimal
Computational Statistical Optimal
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2018/5/28
Extensive efforts are currently put into securing messaging platforms, where a key challenge is that of protecting against man-in-the-middle attacks when setting up secure end-to-end channels. The vas...
Hardness Estimation of LWE via Band Pruning
Search LWE hardness lattice reduction
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2015/12/22
This paper, examining the hardness of the search LWE problem, is a refined continuation of previous
works including (Lindner-Peikert 2011, Liu-Nguyen 2013, Aono et al. 2013) using lattice reduction a...