Two-way and anonymous heterogeneous signcryption scheme between PKI and IBC

Cai-fen WANG; Chao LIU; Ya-hong LI; Shu-fen NIU; Yu-lei ZHANG

doi:10.11959/j.issn.1000-436x.2017194

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Two-way and anonymous heterogeneous signcryption scheme between PKI and IBC

Papers | 更新时间：2024-06-05

- Two-way and anonymous heterogeneous signcryption scheme between PKI and IBC
- Journal on Communications Vol. 38, Issue 10, Pages: 10-17(2017)
- 作者机构：
  
  西北师范大学计算机科学与工程学院，甘肃兰州 730070
- 作者简介：
- 基金信息：
- DOI：10.11959/j.issn.1000-436x.2017194
  CLC： TP309.7
- Online First：2017-10，
  
  Published：25 October 2017
- 稿件说明：
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Cai-fen WANG, Chao LIU, Ya-hong LI, et al. Two-way and anonymous heterogeneous signcryption scheme between PKI and IBC[J]. Journal on Communications, 2017, 38(10): 10-17.
DOI：

Cai-fen WANG, Chao LIU, Ya-hong LI, et al. Two-way and anonymous heterogeneous signcryption scheme between PKI and IBC[J]. Journal on Communications, 2017, 38(10): 10-17. DOI： 10.11959/j.issn.1000-436x.2017194.

摘要

现有的基于传统公钥密码体制（PKI

public key infrastructure）和基于身份的密码体制（IBC

identity-based cryptosystem）之间的异构签密方案都有一定的缺陷，基于此，提出一种新的双向的基于PKI和IBC的异构签密方案。在随机预言模型中和在基于计算性Diffie-Hellman困难问题（CDHP

computational Diffie-Hellman problem）、q-Diffie-Hellman逆问题（q-DHIP

q-Diffie-Hellman inversion problem）和双线性Diffie-Hellman困难问题（BDHP

bilinear Diffie-Hellman problem）的假设下，该方案满足机密性和不可伪造性。同时，该方案还满足密文的无连接性和匿名性。与已有同类异构签密方案对比，该方案不仅实现了签密的双向性，而且在PKI和IBC生成系统参数时不作限制，更加符合实际的应用环境。模拟实验表明，该方案具有可行性，并且满足用户对系统响应时间的要求。

Abstract

Exiting heterogeneous signcryption schemes which were between public key infrastructure (PKI) and identity-based cryptosystem (IBC) have some limitations.A new heterogeneous signcryption scheme between PKI and IBC was proposed.In the random oracle mode

the scheme ensured confidentiality and unforgeability on the basis of the assumption of computational Diffie-Hellman problem (CDHP)

q-Diffie-Hellman inversion problem (q-DHIP) and bilinear Diffie-Hellman problem (BDHP).Simultaneously

the proposed scheme guaranteed unconnectedness and anonymity of the ciphertext.Compared with other heterogeneous schemes

the scheme achieved two-way signcryption

and it generated parameters without restrict

which was suitable for actual situations.Simulation tests show that proposed scheme is feasible.

关键词

Keywords

references

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