Identity-based puncturable signature scheme

被引：0

作者：

Yang D. ^{[1
]}

Chen Y. ^{[1
]}

Wei J. ^{[1
]}

Hu X. ^{[1
]}

机构：

[1] School of Data and Target Engineering, Information Engineering University, Zhengzhou

来源：

Tongxin Xuebao/Journal on Communications | 2021年 / 42卷 / 12期

基金：

中国国家自然科学基金;

关键词：

Bloom filter; Identity-based signature; Key exposure; Puncturable signature;

D O I：

10.11959/j.issn.1000-436x.2021223

中图分类号：

学科分类号：

摘要：

To overcome the shortcomings of available forward-secure identity-based signature (IBS) scheme in terms of actual practicability and secret key update efficiency, the notion of identity-based puncturable signature (IBPS) scheme was proposed based on the idea of puncturable public-key encryption scheme. Specifically, the syntax and security notion of IBPS were given, and then a concrete IBPS scheme was constructed based on Bloom filter. Under the computational Diffie-Hellman assumption, the proposed scheme achieved the existential unforgeability in the random oracle model. The performance analysis and implementation results demonstrate that, compared with traditional forward-secure IBS schemes, the proposed scheme provides more practical fine-grained forward secrecy, and has higher efficiency of secret key update. © 2021, Editorial Board of Journal on Communications. All right reserved.

引用

页码：17 / 26

页数：9

共 28 条

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