Cloud computing provides users and companies a cost-efficient and flexible service. However, for a cloud computing client, one of most worrying problems is that IT infra structure is under control of the cloud provider. To secure cloud users' computation, efficient remote attestation protocol is required. In this paper, by combining trusted computing and dynamic accumulators, we put forward an anonymous remote attestation scheme for cloud computing service provider. Under the help of online or offline trusted third parties, a user can attest remote trusted nodes and establish a secure communication. In addition, the scheme can also protect privacy of trusted nodes and greatly reduce the cost of storage and management.
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