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The characteristics of cloud computing, such as highly centralized resources, dynamic extensibility, and layered service mode, make the trusted evidence collection on the cloud platforms becomes very complex, this article introduces a trusted third party, and proposes a trusted evidence collection method based on the technology of trusted computing. Security features provided by TPCM (Trusted Platform Control Module) are used to introduce a CPTECA (Cloud Platform Trusted Evidence Collection Agent) in each layer of cloud platform respectively. The Agent monitors the entity in real-time using TPCM, and objectively collects the trusted evidence on the cloud Platform. Finally, the paper implements a CPTECA functional prototype based on the LSM (Linux Security Module). © 2016, UK Simulation Society. All rights reserved.
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