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Secure and Privacy-Preserving Smartphone based Traffic Information Systems
KTH, School of Electrical Engineering (EES), Communication Networks.ORCID iD: 0000-0003-2624-7522
KTH.
KTH, School of Information and Communication Technology (ICT), Integrated Devices and Circuits.ORCID iD: 0000-0002-4691-2318
KTH, School of Information and Communication Technology (ICT), Integrated Devices and Circuits.ORCID iD: 0000-0003-3802-7834
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2015 (English)In: IEEE transactions on intelligent transportation systems (Print), ISSN 1524-9050, E-ISSN 1558-0016, Vol. 16, no 3Article in journal (Refereed) Published
Abstract [en]

Increasing smartphone penetration, combined with the wide coverage of cellular infrastructures, renders smartphone-based traffic information systems (TISs) an attractive option. The main purpose of such systems is to alleviate traffic congestion that exists in every major city. Nevertheless, to reap the benefits of smartphone-based TISs, we need to ensure their security and privacy and their effectiveness (e.g., accuracy). This is the motivation of this paper: We leverage state-of-the-art cryptographic schemes and readily available telecommunication infrastructure. We present a comprehensive solution for smartphone-based traffic estimation that is proven to be secure and privacy preserving. We provide a full-blown implementation on actual smartphones, along with an extensive assessment of its accuracy and efficiency. Our results confirm that smartphone-based TISs can offer accurate traffic state estimation while being secure and privacy preserving.

Place, publisher, year, edition, pages
IEEE Press, 2015. Vol. 16, no 3
National Category
Communication Systems
Identifiers
URN: urn:nbn:se:kth:diva-152679DOI: 10.1109/TITS.2014.2369574ISI: 000359252700030Scopus ID: 2-s2.0-84930943117OAI: oai:DiVA.org:kth-152679DiVA: diva2:751133
Note

Updated from manuscript to article.

QC 20150909

Available from: 2014-10-01 Created: 2014-10-01 Last updated: 2017-10-31Bibliographically approved
In thesis
1. Secure and Privacy Preserving Urban Sensing Systems
Open this publication in new window or tab >>Secure and Privacy Preserving Urban Sensing Systems
2014 (English)Licentiate thesis, comprehensive summary (Other academic)
Abstract [en]

The emergence of resource-rich mobile devices and smart vehicles has paved the way for Urban Sensing. In this new paradigm, users sense their environment and become part of an unprecedented large-scale network of sensors, with extensive spatial and temporal coverage, that enables the collection and dissemination of real-time information, practically, from anywhere. Urban sensing can facilitate the deployment of innovative applications that can address the ever-growing concerns for citizens’ well-being. Nevertheless, the openness of such systems (ideally anyone can participate) and the richness of the data users contribute unavoidably raise significant concerns for both the security of urban sensing applications and the privacy of the participating users. In this thesis we consider different urban sensing application domains: vehicular communication networks, intelligent transportation systems and environmental monitoring applications. We begin with a detailed analysis of the security and privacy requirements of these applications domains. Our objective is to protect users from the system (by ensuring their anonymity and privacy) and urban sensing systems from malicious users (by holding malicious users accountable of their actions). This is not straight-forward; anonymity may tempt malicious user behavior, compromising the reliability of the entire urban sensing system.Towards that, we design and implement secure and privacy-preserving identity management systems that can accommodate these requirements. We demonstrate their efficiency, practicality, and scalability through extensive experimental evaluations. Furthermore, we formally evaluate formally their security and privacy preserving properties.

Place, publisher, year, edition, pages
Stockholm: KTH Royal Institute of Technology, 2014. iv, 26 p.
Series
TRITA-EE, ISSN 1653-5146 ; 2014:035
National Category
Communication Systems
Identifiers
urn:nbn:se:kth:diva-152675 (URN)978-91-7595-248-2 (ISBN)
Presentation
2014-10-03, Q2, Osquldas väg 10, Stockholm, 15:00 (English)
Opponent
Supervisors
Note

QC 20141001

Available from: 2014-10-01 Created: 2014-10-01 Last updated: 2014-10-01Bibliographically approved
2. Secure and Privacy Preserving Urban Sensing Systems
Open this publication in new window or tab >>Secure and Privacy Preserving Urban Sensing Systems
2016 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

The emergence of resource-rich mobile devices and smart vehicles has paved the way for Urban Sensing. In this new paradigm, users, leveraging their sensing-capable devices, sense their environment and become part of an unprecedented large-scale network of sensors, with extensive spatial and temporal coverage, that enables the collection and dissemination of real-time information, potentially, from anywhere, about anything and at anytime. Urban sensing will facilitate the deployment of innovative applications aiming to address the ever-growing concerns for citizens' well-being by offering a better understanding of our activities and environment.

Nevertheless, the openness of such systems (ideally anyone can participate) and the richness of the data users contribute unavoidably raise significant concerns both about the security of urban sensing applications and the privacy of the participating users. More specifically, users participating in urban sensing applications are expected to contribute sensed data tagged, in many cases, with spatio-temporal information. Misusing such information could reveal sensitive user-specific attributes including their whereabouts, health condition, and habits and lead to extensive and unsolicited user profiling. At the same time, the participation of large numbers of users possessing sensing- capable devices is a double-edged sword: devices can be compromised or faulty or users can be adversarial seeking to manipulate urban sensing systems by submitting intelligently crafted faulty information.

This thesis considers security, resilience and privacy for urban sensing notably in two application domains: intelligent transportation systems and generic smartphone based crowd-sourced sensing applications. For these domains, we design, implement and evaluate provably secure and privacy-preserving solutions capable of protecting the users from the system (i.e., ensuring their privacy in the presence of untrustworthy infrastructure) and the system from malicious users (i.e., holding them accountable for possible system-offending actions)

Place, publisher, year, edition, pages
Stockholm: KTH Royal Institute of Technology, 2016. 48 p.
Series
TRITA-EE, ISSN 1653-5146 ; 2016:014
National Category
Computer Systems
Research subject
Education and Communication in the Technological Sciences; Electrical Engineering
Identifiers
urn:nbn:se:kth:diva-181100 (URN)978-91-7595-860-6 (ISBN)
Public defence
2016-02-25, Horsal F3, Lindstedtsvägen 26, KTH, Stockholm, 13:00 (English)
Opponent
Supervisors
Note

QC 20160229

Available from: 2016-01-29 Created: 2016-01-28 Last updated: 2016-02-05Bibliographically approved

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Gisdakis, StylianosTao, ShaRusu, Ana

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