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Trusted ticket systems and applications

: Kuntze, N.; Schmidt, A.U.


Venter, H. ; International Federation for Information Processing -IFIP-, Technical Committee 11, Security and Protection in Information Processing Systems:
New approaches for security, privacy and trust in complex environments. Proceedings of the IFIP TC 11 22nd International Information Security Conference, SEC 2007 : 14-16 May 2007, Sandton, South Africa
Berlin: Springer, 2007 (IFIP International Federation for Information Processing 232)
ISBN: 978-0-387-72366-2
ISBN: 0-387-72366-8
International Information Security Conference (SEC) <22, 2007, Sandton>
Fraunhofer SIT ()

Trusted Computing is a security base technology that will perhaps be ubiquitous in a few years in personal computers and mobile devices alike. Despite its neutrality with respect to applications, it has raised some privacy concerns. We show that trusted computing can be applied for service access control in a manner protecting users' privacy. We construct a ticket system - a concept which is at the heart of Identity Management - relying solely on the capabilities of the trusted platform module and the standards specified by the Trusted Computing Group. Two examples show how it can be used for pseudonymous and protected service access.