Title:	SMART CARD SUPPORT FOR ANONYMOUS CITIZEN SERVICES
Author(s):	Niklas Auerbach
ISBN:	972-98947-0-1
Editors:	António Palma dos Reis and Pedro Isaías
Year:	2003
Edition:	1
Keywords:	E-government, Smart Cards, Privacy, Anonymity, C2A Service Access, Credentials .
Type:	Full Paper
First Page:	147
Last Page:	155
Language:	English
Cover:
Full Contents:	click to dowload
Paper Abstract:	Numerous European countries are currently engaging in e-government initiatives that often comprise issuing digital identification cards to citizens. As most of these cards base access control solely on the identity of the cardholder, the issue of privacy arises. We present a scenario where it is desirable that citizens can access services while remaining fully anonymous. We consider the requirements for an anonymous access from the perspective of both government and citizens. Starting from the idea of mapping the problem of anonymous access to a group membership problem we present a credential-based solution in which digital credentials are used to extend the digital identity of the citizen. We consider the infrastructural components that an administrative body must introduce when using credentials for service access. We finally propose cryptographic means for the implementation of such a system with low-cost cryptographic credentials and smart cards. The implications of the smart card as a computationally restricted environment are discussed and an outlook on future research on credentials in e-government use is given.
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