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Secure photo sharing in social networks

Conference paper
Authors Pablo Picazo-Sanchez
Raúl Pardo
Gerardo Schneider
Published in IFIP Information Security & Privacy Conference (IFIP SEC'17), volume 502 of IFIP Advances in Information and Communication Technology (AICT), pages 79-92
ISBN 978-3-319-58468-3
ISSN 1868-4238
Publisher Springer Science and Business Media
Publication year 2017
Published at Department of Computer Science and Engineering, Computing Science (GU)
Language en
Links doi.org/10.1007/978-3-319-58469-0_6
Keywords Applied cryptography, Privacy, Social networks
Subject categories Computer Science

Abstract

Nowadays, in an ubiquitous world where everything is connected to the Internet and where social networks play an important role in our lives, security and privacy is a must. Billions of pictures are uploaded daily to social networks and, with them, parts of our private life are disclosed. In this work, we propose a practical solution for secure photo sharing on social network with independence of its architecture which can be either centralised or distributed. This solution solves the inconsistencies that appear in distributed social network as a consequence of treating photos and access policies separately. Specifically, we solve this open problem by attaching an access policy to the images and thus, each time a photo is re-shared, the access policy will travel together with the image.

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