Untraceable electronic mail, return addresses, and digital pseudonyms
Communications of the ACM
Anonymity, unobservability, and pseudeonymity — a proposal for terminology
International workshop on Designing privacy enhancing technologies: design issues in anonymity and unobservability
Identity management and its support of multilateral security
Computer Networks: The International Journal of Computer and Telecommunications Networking
k-anonymity: a model for protecting privacy
International Journal of Uncertainty, Fuzziness and Knowledge-Based Systems
Information hiding, anonymity and privacy: a modular approach
Journal of Computer Security - Special issue on WITS'02
Towards an information theoretic metric for anonymity
PET'02 Proceedings of the 2nd international conference on Privacy enhancing technologies
PET'02 Proceedings of the 2nd international conference on Privacy enhancing technologies
A framework for quantification of linkability within a privacy-enhancing identity management system
ETRICS'06 Proceedings of the 2006 international conference on Emerging Trends in Information and Communication Security
Does additional information always reduce anonymity?
Proceedings of the 2007 ACM workshop on Privacy in electronic society
On the Impact of Social Network Profiling on Anonymity
PETS '08 Proceedings of the 8th international symposium on Privacy Enhancing Technologies
Revisiting a combinatorial approach toward measuring anonymity
Proceedings of the 7th ACM workshop on Privacy in the electronic society
A Combinatorial Approach for an Anonymity Metric
ACISP '09 Proceedings of the 14th Australasian Conference on Information Security and Privacy
Using Linkability Information to Attack Mix-Based Anonymity Services
PETS '09 Proceedings of the 9th International Symposium on Privacy Enhancing Technologies
Quantification of Anonymity for Mobile Ad Hoc Networks
Electronic Notes in Theoretical Computer Science (ENTCS)
The bayesian traffic analysis of mix networks
Proceedings of the 16th ACM conference on Computer and communications security
Relations among privacy notions
ACM Transactions on Information and System Security (TISSEC)
A Composite Privacy Leakage Indicator
Wireless Personal Communications: An International Journal
A three dimensional sender anonymity metric
International Journal of Security and Networks
Mechanism for Privacy Preservation in VANETS
International Journal of Grid and High Performance Computing
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This paper structures different anonymity metrics. We show that there is no single all-purpose metric for anonymity. We present different models for anonymity metrics on the network layer and on the application layer, and propose a way to merge these models into a combined model aiming at providing metrics usable within a user-centric identity management system. Thereby we distinguish the user's and the service provider's point of view using the notions of local and global anonymity. As a generalization of Shannon-, Min-and Max-Entropy, we use Rényi-Entropy as a framework to create anonymity metrics appropriate for different situations.