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Traceable and revocable CP-ABE with shorter ciphertexts

更短密文的可追踪与可撤销密文策略属性基加密方案

创新点

本文提出了一种新的“cancellation technique”,并将该新技术用于构造黑盒可追踪和可撤销的密文策略属性基加密方案的构造中,在不牺牲其他参数(公开参数长度、密钥长度等)的情况下,本文构造出一个(与当前最好结果相比)更短密文、更小计算代价的黑盒可追踪与可撤销密文策略属性基加密方案。值得一提的是,这种新的“cancellation technique”不仅仅在构造更短密文更高效的黑盒可追踪与可撤销密文策略属性基加密方案中起作用,同时也对其他加密或签名方案更短密文或者是更高效的构造提供了参考价值。

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Correspondence to Zhenfu Cao.

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The authors declare that they have no conflict of interest.

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Ning, J., Cao, Z., Dong, X. et al. Traceable and revocable CP-ABE with shorter ciphertexts. Sci. China Inf. Sci. 59, 119102 (2016). https://doi.org/10.1007/s11432-016-0062-7

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关键词

  • 密文策略属性基加密
  • 黑盒可追踪
  • 可撤销
  • 短密文
  • 商业应用