Security for mobile low power nodes in a personal area network by means of trusted platform modules

Authors:
Ulrich Grossmann;Enrik Berkhan;Luciana C. Jatoba;Joerg Ottenbacher;Wilhelm Stork;Klaus D. Mueller-Glaser
Affiliations:
University of Karlsruhe, Institute of Information Processing Technology, Karlsruhe, Germany;University of Karlsruhe, Institute of Information Processing Technology, Karlsruhe, Germany;University of Karlsruhe, Institute of Information Processing Technology, Karlsruhe, Germany;University of Karlsruhe, Institute of Information Processing Technology, Karlsruhe, Germany;University of Karlsruhe, Institute of Information Processing Technology, Karlsruhe, Germany;University of Karlsruhe, Institute of Information Processing Technology, Karlsruhe, Germany
Venue:
ESAS'07 Proceedings of the 4th European conference on Security and privacy in ad-hoc and sensor networks
Year:
2007

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Abstract

The growing field of ubiquitous applications and the use of resource constrained mobile devices strongly demands for mechanisms to provide the security and privacy of such mobile devices. In this paper we show that especially new teletherapeutic applications are not feasible without strong cryptographic protection of data and platform. Based on the analysis of security requirements, we introduce a mobile low power node that is secured by means of a Trusted Platform Module (TPM). For privacy and security of the communication between the mobile device and a webserver, which is part of the distributed network, we propose a security protocol based on webservice technology that uses the mechanisms of the TPM. Finally, measurements that were done with the secured mobile node are presented. We show that TPMs are well suited for resource constrained mobile devices and are a step towards trusted ubiquitous computing.