无证书公钥密码体制→传统公钥基础设施异构环境下部分盲签密方案

王彩芬; 许钦百; 刘超; 成玉丹; 赵冰

doi:10.11999/JEIT180850

无证书公钥密码体制→传统公钥基础设施异构环境下部分盲签密方案

doi: 10.11999/JEIT180850

王彩芬^{1, 2, ,},
许钦百¹,
刘超¹,
成玉丹¹,
赵冰¹

1.
西北师范大学计算机科学与工程学院兰州 730070
2.
深圳技术大学大数据与互联网学院深圳 518118

基金项目: 国家自然科学基金(61202395, 61562077, 61662069, 61662071)，甘肃省自然科学基金(145RJDA325)，甘肃省高等学校科研项目(2017A-003, 2018A-207)

详细信息

作者简介:
王彩芬：女，1963 年生，教授，博士生导师，研究方向为密码学与信息安全

许钦百：男，1992 年生，硕士生，研究方向为密码学与信息安全

刘超：男，1989 年生，硕士生，研究方向为密码学与信息安全

成玉丹：女，1992 年生，硕士生，研究方向为密码学与信息安全

赵冰：男，1994 年生，硕士生，研究方向为密码学与信息安全

通讯作者:
王彩芬　wangcf@nwnu.edu.cn

中图分类号: TN918.4
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- 被引次数: 0
出版历程
- 收稿日期: 2018-08-31
- 修回日期: 2019-02-25
- 网络出版日期: 2019-03-04
- 刊出日期: 2019-08-01

Partial Blind Signcryption Scheme in CLPKC-to-TPKI Heterogeneous Environment

1.
College of Computer Science and Engineering, Northwest Normal University, Lanzhou 730070, China
2.
College of Big Data and Internet, Shenzhen Technology University, Shenzhen 518118, China

Funds: The National Natural Science Foundation of China (61202395, 61562077, 61662069, 61662071), The Natural Science Foundation of Gansu Province of China (145RJDA325.), The Scientific Research Projects of Universities in Gansu Province(2017A-003, 2018A-207)

摘要

摘要: 该文提出在无证书公钥密码体制(CLPKC)和传统公共密钥基础设施体制(TPKI)下部分盲签密方案的形式化定义，并在此基础上提出一个在CLPKC-TPKI环境下具有双线性对的部分盲签密方案。依据随机预言模型，计算Diffie-Hellman困难问题(CDHP)和修改逆计算Diffie-Hellman困难问题(MICDHP)假设，使得方案在异构环境下满足不可伪造性、机密性、部分盲性、不可跟踪性、不可否认性等性质。最后和相关方案进行了比较分析，该文方案在增加了盲性同时并未显著增加计算量的开销。
- 异构签密 /
- 部分盲签密 /
- 修改逆计算Diffie-Hellman困难问题
Abstract: The definition and security models of partial blind signcryption scheme in heterogeneous environment between CertificateLess Public Key Cryptography (CLPKC)and Traditional Public Key Infrastructure (TPKI) are proposed, and a construction by using the bilinear pairing is proposed. Under the random oracle model, based on the assumptions of Computational Diffie-Hellman Problem(CDHP) and Modifying Inverse Computational Diffie-Hellman(MICDHP), the scheme is proved to meet the requirment of the unforgeability, confidentiality, partial blindness, and untraceability, undeniability. Finally, compared with the related scheme, the scheme increases the blindness and does not significantly increase the computational cost.
- Heterogeneous signcryption /
- Partial blind signcryption /
- Modifying Inverse Computational Diffie-Hellman Problem (MICDHP)

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图 1 本文方案运行结果

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表 1 计算复杂度

方案签密解签密系统参数盲性

文献[15] 2E+P E+3P 不同满足
本文 0E+0P 0E+2P 不同满足

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