Trusted Computing Platforms: TCPA Technology in Context
Trusted Computing Platforms: TCPA Technology in Context
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This paper focuses on the management of device-based identities within enterprises. This is a key requirement in enterprises where the identities of devices have become as important as the identities of humans (users) to grant access to enterprise resources. In this context, access control systems need to understand which devices are being used to access resources, by whom and in which contexts. Trust in managed devices' identities is an important first step to enable this. Most related commercial solutions are deployed at the network level. Instead, we focus at the application/service level to leverage current enterprise identity management solutions, used to manage users' identities. We investigate requirements and related issues. We introduce an initial approach and describe our related solution. A working prototype (proof-of concept) has been fully implemented by extending HP OpenView Identity Management solutions and using trusted computing-enabled devices. This is work in progress: we aim at setting the context and discussing our current status and next steps.