Cui, S, Belguith, S 
ORCID: https://orcid.org/0000-0003-0069-8552, De Alwis, P, Asghar, MR and Russello, G
2018,
Malicious entities are in vain : preserving privacy in publish and subscribe systems
, in: IEEE International Conference On Trust, Security And Privacy In Computing And Communications, 1st-3rd August 2018, New York, USA.
Access Information: © 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Abstract
Publish and subscribe (pub/sub) system is a decoupled communication paradigm that allows routing of publications. Through a set of dedicated third party servers, referred to as brokers, publications are disseminated without establishing any link between publishers and subscribers. However, the involvement of these brokers raises security and privacy issues as
they can harvest sensitive data about subscribers. Furthermore, a malicious broker may collude with malicious subscribers and/or publishers to infer subscribers’ interests. Our solution is such that subscribers’ interests are not revealed to curious brokers
and published data can only be accessed by the authorised
subscribers. Moreover, the proposed protocol is secure against the collusion attacks between malicious brokers, publishers, and subscribers.
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