Volume 8 Number 11 (Nov. 2013)
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JCP 2013 Vol.8(11): 2776-2781 ISSN: 1796-203X
doi: 10.4304/jcp.8.11.2776-2781

Attribute Based DRM Scheme with Efficient Revocation in Cloud Computing

Qinlong Huang1, 2, Zhaofeng Ma1, 2, Jingyi Fu1, 2, Xinxin Niu1, and Yixian Yang1
1 Information Security Center, Beijing University of Posts and Telecommunications, Beijing 100876, China; National Engineering Laboratory for Disaster Backup and Recovery, Beijing University of Posts and Telecommunications, Beijing 100876, China
2 Beijing National Security Science and Technology Co. Ltd, Beijing 100086, China


Abstract—The existing digital rights management (DRM) schemes in cloud computing introduce a heavy computation overhead on the content provider for key distribution. In this paper, we propose an attribute-based DRM scheme in cloud computing by combining the techniques of ciphertextpolicy attribute-based encryption (CP-ABE) and proxy reencryption (PRE). We first divide the content encryption key into two parts, content master key and assistant key. Then we enforce access policies based on attributes to distribute the content master key securely. Thus the users who satisfy the access policy can recover the content master key, and then obtain assistant key from the key server and decrypt the content. Furthermore, we achieve efficient attribute and user revocation by allowing the attribute authority to delegate the key server to refuse to issue the assistant key for the revoked users. The security and performance analyses indicate that the proposed scheme is secure, efficient, and privacy-preserving.

Index Terms—digital rights management, attribute-based encryption, proxy re-encryption, fine-grained access control, cloud computing

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Cite: Qinlong Huang, Zhaofeng Ma, Jingyi Fu, Xinxin Niu, and Yixian Yang, " Attribute Based DRM Scheme with Efficient Revocation in Cloud Computing," Journal of Computers vol. 8, no. 11, pp. 2776-2781, 2013.

General Information

ISSN: 1796-203X
Abbreviated Title: J.Comput.
Frequency: Bimonthly
Editor-in-Chief: Prof. Liansheng Tan
Executive Editor: Ms. Nina Lee
Abstracting/ Indexing: DBLP, EBSCO,  ProQuest, INSPEC, ULRICH's Periodicals Directory, WorldCat,etc
E-mail: jcp@iap.org
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