Efficient provable data possession for hybrid clouds

Authors:
Yan Zhu;Huaixi Wang;Zexing Hu;Gail-Joon Ahn;Hongxin Hu;Stephen S. Yau
Affiliations:
Peking University, Beijing, China;Peking University, Beijing, China;Peking, Beijing, China;Arizona State University, Tempe, AZ, USA;Arizona State University, Tempe, AZ, USA;Arizona State University, Tempe, AZ, USA
Venue:
Proceedings of the 17th ACM conference on Computer and communications security
Year:
2010

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Abstract

Provable data possession is a technique for ensuring the integrity of data in outsourcing storage service. In this paper, we propose a cooperative provable data possession scheme in hybrid clouds to support scalability of service and data migration, in which we consider the existence of multiple cloud service providers to cooperatively store and maintain the clients' data. Our experiments show that the verification of our scheme requires a small, constant amount of overhead, which minimizes communication complexity.