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Ciphertext-Policy Attribute Based Encryption with Large Attribute Universe

  • Siyu XiaoEmail author
  • Aijun Ge
  • Fushan Wei
  • Chuangui Ma
Conference paper
Part of the Lecture Notes on Data Engineering and Communications Technologies book series (LNDECT, volume 1)

Abstract

Ciphertext-policy attribute-based encryption(CP-ABE) has become a crucial technical for cloud computing in that it enables one to share data with users under the access policy defined by himself. Generally, the universe of attributes is not fixed before the system setup in practice. So in this paper, we propose a CP-ABE scheme with large attribute universe based on the scheme presented by Chen et al. The number of attributes is independent of the public parameter in our scheme, and it inherents the excellent properties of both constant ciphertext and constant computation cost.

Keywords

Cloud Computing Access Policy Fuzzy Identity Public Parameter Broadcast Encryption 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer International Publishing AG 2017

Authors and Affiliations

  1. 1.State Key Laboratory of Mathematical Engineering and Advanced ComputingZhengzhouChina
  2. 2.Department of Basic CoursesArmy Aviation InstituteBeijingChina

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