Science China Information Sciences

, Volume 55, Issue 7, pp 1631–1638 | Cite as

Accountable authority key policy attribute-based encryption

Research Paper
First Online:
Received:
Accepted:

Abstract

We present an accountable authority key policy attribute-based encryption (A-KPABE) scheme. In this paper, we extend Goyal’s work to key policy attribute-based encryption setting. We first generalize the notion of accountable authority in key policy attribute-based encryption scenario, and then give a construction. In addition, our scheme is shown to be secure in the standard model under the modified Bilinear Decisional Diffie-Hellman (mBDDH) assumption.

Keywords

accountable authority key policy attribute-based encryption standard model access structure 
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Copyright information

© Science China Press and Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • YongTao Wang
    • 1
    • 2
  • KeFei Chen
    • 1
    • 3
  • Yu Long
    • 1
    • 4
  • ZhaoHui Liu
    • 2
  1. 1.Department of Computer Science and EngineeringShanghai Jiao Tong UniversityShanghaiChina
  2. 2.China Information Technology Security Evaluation CenterBeijingChina
  3. 3.Shanghai Key Laboratory of Scalable Computing and SystemsShanghai Jiao Tong UniversityShanghaiChina
  4. 4.State Key Laboratory of Information SecurityGraduate School of Chinese Academy of SciencesBeijingChina

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