A Trusted Group Signature Architecture in Virtual Computing Environment

Authors:
Deqing Zou;Yunfa Li;Song Wu;Weizhong Qiang
Affiliations:
Services Computing Technology and System Lab, Cluster and Grid Computing Lab, School of Computer Science and Technology, Huazhong University of Science and Technology, China;Services Computing Technology and System Lab, Cluster and Grid Computing Lab, School of Computer Science and Technology, Huazhong University of Science and Technology, China;Services Computing Technology and System Lab, Cluster and Grid Computing Lab, School of Computer Science and Technology, Huazhong University of Science and Technology, China;Services Computing Technology and System Lab, Cluster and Grid Computing Lab, School of Computer Science and Technology, Huazhong University of Science and Technology, China
Venue:
ATC '08 Proceedings of the 5th international conference on Autonomic and Trusted Computing
Year:
2008

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Abstract

Nowadays coordinated applications become more and more popular in network computing environments, and group is the basic unit of task processing for such applications. Members in a group exchange data with each other. Group signature is used to guarantee the integrity of exchanged data and provide source authentication. In a Virtual Machine (VM) based computing system, a Virtual Machine Monitor (VMM) allows multiple applications to run in different virtual machines, and each virtual machine runs in its own hardware protection domain, and is strongly isolated from each other. A Trusted VMM can provide stronger security protection to build group signature architecture than traditional computing platforms. In this paper, we first introduce a trusted group signature architecture in virtual computing environment and how the Trusted VMM (TVMM) provides security guarantee for group signature components. Then we propose a group signature scheme with the function of message checking based on the discrete logarithm problem (DLP). Finally, we prove the security of the group signature scheme and architecture.