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一种基于无证书的多方合同签署协议的安全性分析与改进

杨小东 李梅娟 任宁宁 田甜 王彩芬

杨小东, 李梅娟, 任宁宁, 田甜, 王彩芬. 一种基于无证书的多方合同签署协议的安全性分析与改进[J]. 电子与信息学报, 2022, 44(10): 3627-3634. doi: 10.11999/JEIT210878
引用本文: 杨小东, 李梅娟, 任宁宁, 田甜, 王彩芬. 一种基于无证书的多方合同签署协议的安全性分析与改进[J]. 电子与信息学报, 2022, 44(10): 3627-3634. doi: 10.11999/JEIT210878
YANG Xiaodong, LI Meijuan, REN Ningning, TIAN Tian, WANG Caifen. Security Analysis and Improvement of a Multi-party Contract Signing Protocol Based on Certificateless[J]. Journal of Electronics & Information Technology, 2022, 44(10): 3627-3634. doi: 10.11999/JEIT210878
Citation: YANG Xiaodong, LI Meijuan, REN Ningning, TIAN Tian, WANG Caifen. Security Analysis and Improvement of a Multi-party Contract Signing Protocol Based on Certificateless[J]. Journal of Electronics & Information Technology, 2022, 44(10): 3627-3634. doi: 10.11999/JEIT210878

一种基于无证书的多方合同签署协议的安全性分析与改进

doi: 10.11999/JEIT210878
基金项目: 国家自然科学基金(61662069,61562077),中国博士后科学基金(2017M610817),兰州市科技计划项目(2013-4-22),西北师范大学青年教师科研能力提升计划(NWNU-LKQN-14-7)
详细信息
    作者简介:

    杨小东:男,博士后,教授,研究方向为应用密码学与信息安全

    李梅娟:女,硕士生,研究方向为密码学与信息安全

    任宁宁:女,硕士生,研究方向为车联网安全

    田甜:女,硕士生,研究方向为可搜索加密

    王彩芬:女,博士,教授,研究方向为信息安全协议与网络安全

    通讯作者:

    杨小东 y200888@163.com

  • 中图分类号: TN918; TTP309.7

Security Analysis and Improvement of a Multi-party Contract Signing Protocol Based on Certificateless

Funds: The National Natural Science Foundation of China (61662069, 61562077), China Postdoctoral Science Foundation (2017M610817), The Science and Technology Project of Lanzhou City (2013-4-22), The Foundation of the Young Teacher's Scientific Research Ability Promotion of Northwest Normal University (NWNU-LKQN-14-7)
  • 摘要: 2019年,曹等人(doi: 10.11999/JEIT190166)提出了一个适用于多方合同签署环境中高效的无证书聚合签名方案,并证明了该方案在随机预言模型下存在不可伪造性。然而,通过安全性分析发现,该方案无法抵抗替换公钥攻击和内部签名者的联合攻击。为了解决上述安全缺陷,该文提出一个改进的无证书聚合签名方案。新方案不仅在随机预言模型下基于计算性Diffie-Hellman问题满足不可伪造性,同时也能够抵抗联合攻击。
  • 图  1  几个方案的聚合签名验证时间开销比较

    表  1  几个无证书聚合签名方案的性能比较

    聚合签名长度计算开销安全性
    单个签名生成聚合签名验证抗类型Ⅰ攻击抗类型Ⅱ攻击抗联合攻击
    文献[10]方案$ (n + 1)|{G_1}| $$ 3s $$ 3e + 2ns $
    文献[14]方案$ (n + 1)|{G_1}| $$ 3s $$ 3e + 2ns $
    文献[15]方案$ (n + 1)|{G_1}| $$ 4s $$ 3e + 3ns $
    文献[17]方案$ (n + 1)|{G_1}| $$ 3s $$ 2ne + 3ns $
    文献[19]方案$ (n + 1)|{G_1}| $$ 2s $$ (n + 2)e + ns $
    本文方案$ (n + 1)|{G_1}| $$ 2s $$ 2ne + 2ns $
    下载: 导出CSV
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出版历程
  • 收稿日期:  2021-08-26
  • 修回日期:  2022-03-07
  • 录用日期:  2022-03-31
  • 网络出版日期:  2022-04-08
  • 刊出日期:  2022-10-19

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