A novel authorization mechanism for service-oriented virtual organization

Authors:
Hai Jin;Weizhong Qiang;Xuanhua Shi;Deqing Zou
Affiliations:
Cluster and Grid Computing Lab., Huazhong University of Science and Technology, Wuhan, China;Cluster and Grid Computing Lab., Huazhong University of Science and Technology, Wuhan, China;Cluster and Grid Computing Lab., Huazhong University of Science and Technology, Wuhan, China;Cluster and Grid Computing Lab., Huazhong University of Science and Technology, Wuhan, China
Venue:
ISCIS'05 Proceedings of the 20th international conference on Computer and Information Sciences
Year:
2005

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Abstract

There are more challenges for authorization in service-oriented virtual organization. In this paper we propose a novel authorization mechanism for virtual organization, which uses the threshold signature scheme for authorization management and voting mechanism for decision-making. We design three protocols in the authorization mechanism: authorization acquisition protocol, authorization revocation protocol, and secure interaction protocol. Our solution can satisfy the dynamic coalition requirement of virtual organization, and also guarantee the autonomous characteristic of participant organizations and service entities. Privacy preservation is also provided for service entities to interact with authorized entities.