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Usable everlasting encryption using the pornography infrastructure

Abstract : Nine years before Snapchat and its ephemeral messages, Aumann, Ding, and Rabin introduced the idea of everlasting security: an encryption that could not be decrypted after a certain date, no matter the adversary's computing power. Their method is efficient but not adapted to real-life constraints and cannot effectively be used today. This paper looks at what potential entropy sources are available today and proposes a new solution that makes use of the already existing communications from pornography distribution networks. The method proposed has multiple advantages stemming from the fact that pornography is shameful in most societies, giving the agents plausible deniability. It is also usable off-the-shelf by individuals with limited technical skills, although it still requires some effort.
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Contributor : Enka Blanchard Connect in order to contact the contributor
Submitted on : Wednesday, April 29, 2020 - 8:14:05 PM
Last modification on : Tuesday, March 8, 2022 - 3:07:21 AM


Cryptoporn (1).pdf
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  • HAL Id : hal-02556366, version 2


Enka Blanchard, Siargey Kachanovich. Usable everlasting encryption using the pornography infrastructure. 2019. ⟨hal-02556366v2⟩



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