Privacy-Enhancing Technique: A Survey and Classification

Privacy-Enhancing Technique: A Survey and Classification

Peter Langendörfer (IHP, Germany), Michael Maaser (IHP, Germany), Krzysztof Piotrowski (IHP, Germany) and Steffen Peter (IHP, Germany)
Copyright: © 2008 |Pages: 14
DOI: 10.4018/978-1-59904-899-4.ch009
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Abstract

This chapter provides a survey of privacy-enhancing techniques and discusses their effect using a scenario in which a charged location-based service is used. We introduce four protection levels and discuss an assessment of privacy-enhancing techniques according to these protection levels.

Key Terms in this Chapter

Anonymous E-Cash: Electronic payment system or protocol that provides anonymity to its users.

APPEL: A language specification to define rules for acceptance of certain P3P policies.

GeoPriv: An IETF working group, which assesses the authorization, integrity and privacy requirements of transfer, release or representation of geographic location information through an agent.

Pseudonyms: Bogus identity, possible temporary, used in order to hide the real identity.

P3P: The Platform for Privacy Preferences Project (P3P) enables Websites to express their privacy practices in a standard format that can be retrieved automatically and interpreted easily by user agents.

Privacy Enhancing Techniques: Technical means that provide anonymity, intractability in networks.

Mix Networks: Ccombination of proxy chains and asymmetric cryptography that enables hard-to-trace communication over unprotected networks.

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