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Hierarchical attribute-based encryption for fine-grained access control in cloud storage services

9 years 3 months ago
Hierarchical attribute-based encryption for fine-grained access control in cloud storage services
Cloud computing, as an emerging computing paradigm, enables users to remotely store their data into a cloud so as to enjoy scalable services on-demand. Especially for small and medium-sized enterprises with limited budgets, they can achieve cost savings and productivity enhancements by using cloud-based services to manage projects, to make collaborations, and the like. However, allowing cloud service providers (CSPs), which are not in the same trusted domains as enterprise users, to take care of confidential data, may raise potential security and privacy issues. To keep the sensitive user data confidential against untrusted CSPs, a natural way is to apply cryptographic approaches, by disclosing decryption keys only to authorized users. However, when enterprise users outsource confidential data for sharing on cloud servers, the adopted encryption system should not only support fine-grained access control, but also provide high performance, full delegation, and scalability, so as to bes...
Guojun Wang, Qin Liu, Jie Wu
Added 06 Dec 2010
Updated 06 Dec 2010
Type Conference
Year 2010
Where CCS
Authors Guojun Wang, Qin Liu, Jie Wu
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