IaaS cloud converts physical resources into resource pools. The pool oriented resource management model requires transparency of the underlying physical resources, as well as the on-demand consumption of IT services and the trust verification of the resources from cloud users. A viable way is by creating trusted clusters that consist of trusted physical machines, with strict membership management of these trusted clusters, confining IT services to be hosted within trusted clusters. This paper proposes a trusted cluster scheme which is based on a dynamic group signature scheme. The scheme fits into the pool oriented trust management for cloud computing.
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