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Context authentication using constrained channels

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3 Author(s)
T. Kindberg ; Hewlett-Packard Labs., Palo Alto, CA, USA ; K. Zhang ; N. Shankar

This paper presents practical protocols for authenticating the parameters that characterise a principal's context. Context features in what are known as mobile, ubiquitous, pervasive and nomadic computing systems. Location, in particular, is a highly significant contextual parameter. We present a model of context authentication based on the characteristics of communication channels. Then we present protocols for location authentication that are based on physical channel characteristics, including a protocol that we have implemented over HTTP for use from any Web browser. We conclude with a summary and discussion of the work.

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Mobile Computing Systems and Applications, 2002. Proceedings Fourth IEEE Workshop on

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