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
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.