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An efficient pairing-free certificateless signature scheme for resource-limited systems

资源有限系统下高效的没有双线性对的无证书签名方案

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创新点

本文将无证书签名方案分为三类: 基于双线性对的无证书签名方案、基于椭圆曲线的无证书签名方案和一般的无证书签名方案, 提出了一个高效的一般的无证书签名方案。基于离散对数假设, 该方案在随机预言机模型中是可证明安全的。与已有一般的无证书签名方案相比, 该方案计算量更小, 签名长度更短, 更适用于资源有限系统。

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Acknowledgements

This work was supported by National Natural Science Foundation of China (Grant Nos. 61133014, 61572318, 61472114), and Science and Technology on Communication Security Laboratory (Grant No. 9140C110203140C11049).

Author information

Correspondence to Kefei Chen.

Additional information

The authors declare that they have no conflict of interest.

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Wang, L., Chen, K., Long, Y. et al. An efficient pairing-free certificateless signature scheme for resource-limited systems. Sci. China Inf. Sci. 60, 119102 (2017). https://doi.org/10.1007/s11432-015-0367-6

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关键词

  • 数字签名
  • 无证书公钥密码学
  • 双线性对
  • 离散对数
  • 随机预言机