Abstract
One method for establishing a trust relationship between a server and its clients in a co-operative information system is to use a digital certificate. The use of digital certificates bound to a particular machine works well under the assumption that the underlying computing and networking infrastructure is managed by a single enterprise. Furthermore, managed infrastructures are assumed to have a controlled operational environment, including execution of a standard set of applications and operating system. These assumptions are also valid for recent proposals on establishing trust using hardware-supported systems based on a Trusted Computing Module (TPM) cryptographic microcontroller. However, these assumptions do not hold in today’s cooperative information systems. Clients are mobile and work using network connections that go beyond the administrative boundaries of the enterprise. In this paper, we propose a novel technology, called Trust Extension Device (TED), which enables mobility and portability of trust in cooperative information systems that works in a heterogeneous environment. The paper provides an overview of the technology by describing its design, a conceptual implementation and its use in an application scenario.
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Nepal, S., Zic, J., Hwang, H., Moreland, D. (2007). Trust Extension Device: Providing Mobility and Portability of Trust in Cooperative Information Systems. In: Meersman, R., Tari, Z. (eds) On the Move to Meaningful Internet Systems 2007: CoopIS, DOA, ODBASE, GADA, and IS. OTM 2007. Lecture Notes in Computer Science, vol 4803. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-76848-7_17
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DOI: https://doi.org/10.1007/978-3-540-76848-7_17
Publisher Name: Springer, Berlin, Heidelberg
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