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Zongmin Cui, Hong Zhu and Lianhua Chi Lightweight key management on sensitive data in the cloud Security and Communication Networks 6

Version of Record online: 28 AUG 2013 | DOI: 10.1002/sec.850

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Based on a kind of special key that plays the role of a bridge between data owners and users, each user needs only to manage an access key no matter how many data owners there are. By the access key, the user can compute all authorized encryption keys from different data owners. That is, our solution minimizes the user key management cost in the multiple data owners scenario.

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