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Accountable authority key policy attribute-based encryption

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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.

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Authors and Affiliations

  1. Department of Computer Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China

    YongTao Wang, KeFei Chen & Yu Long

  2. China Information Technology Security Evaluation Center, Beijing, 100085, China

    YongTao Wang & ZhaoHui Liu

  3. Shanghai Key Laboratory of Scalable Computing and Systems, Shanghai Jiao Tong University, Shanghai, 200240, China

    KeFei Chen

  4. State Key Laboratory of Information Security, Graduate School of Chinese Academy of Sciences, Beijing, 100039, China

    Yu Long

Authors
  1. YongTao Wang
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  2. KeFei Chen
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  3. Yu Long
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  4. ZhaoHui Liu
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Correspondence to YongTao Wang.

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Wang, Y., Chen, K., Long, Y. et al. Accountable authority key policy attribute-based encryption. Sci. China Inf. Sci. 55, 1631–1638 (2012). https://doi.org/10.1007/s11432-012-4594-7

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  • DOI: https://doi.org/10.1007/s11432-012-4594-7

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