Welcome to the resource topic for 2015/917
Title:
Private Proximity Testing on Steroids: An NTRU-based Protocol
Authors: Constantinos Patsakis, Panayiotis Kotzanikolaou, M ́elanie Bouroche
Abstract:Nowadays, most smartphones come pre-equipped with location (GPS) sensing capabilities, allowing developers to create a wide variety of location-aware applications and services. While location awareness provides novel features and functionality, it opens the door to many privacy nightmares. In many occasions, however, users do not need to share their actual location, but to determine whether they are in proximity to others, which is practically one bit of information. Private proximity protocols allow this functionality without any further information leakage. In this work we introduce a novel protocol which is far more efficient than the current state of the art and bases its security on lattice-based cryptography.
ePrint: https://eprint.iacr.org/2015/917
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