1. 福建师范大学数学与信息学院,福建 福州350117
2. 福建省公共服务大数据挖掘与应用工程技术研究中心,福建 福州 350108
[ "竺智荣(1993- ),男,浙江宁波人,福建师范大学硕士生,主要研究方向为大数据安全与隐私保护" ]
[ "吕佳玉(1995- ),女,辽宁盖州人,福建师范大学硕士生,主要研究方向为大数据安全与隐私保护" ]
[ "叶帼华(1976- ),女,福建霞浦人,福建师范大学副教授,主要研究方向为大数据安全隐私保护、信息安全" ]
[ "姚志强(1967- ),男,福建莆田人,博士,福建师范大学教授、博士生导师,主要研究方向为大数据安全隐私保护、多媒体安全、应用安全" ]
网络首发:2020-08,
纸质出版:2020-08-15
移动端阅览
竺智荣, 吕佳玉, 叶帼华, 等. 轻量级门限群签名方案的改进[J]. 网络与信息安全学报, 2020,6(4):120-129.
Zhirong ZHU, Jiayu LYU, Guohua YE, et al. Improvement of lightweight threshold group signature scheme[J]. Chinese Journal of Network and Information Security, 2020, 6(4): 120-129.
竺智荣, 吕佳玉, 叶帼华, 等. 轻量级门限群签名方案的改进[J]. 网络与信息安全学报, 2020,6(4):120-129. DOI: 10.11959/j.issn.2096-109x.2020048.
Zhirong ZHU, Jiayu LYU, Guohua YE, et al. Improvement of lightweight threshold group signature scheme[J]. Chinese Journal of Network and Information Security, 2020, 6(4): 120-129. DOI: 10.11959/j.issn.2096-109x.2020048.
为了提高门限群签名在5G环境下的安全性和效率,提出一个新的解决方案。核心思想是通过引入消息令牌和动态身份,提高认证信息的新鲜性,加大敌手攻击难度;同时精简参与各方的交互次数,并将部分计算任务迁移至服务器,减少成员部分计算开销。经过安全分析,所提方案可抵抗包括重放攻击在内的多种攻击;经过性能分析,所提方案比同类方案减少了两次与可信中心的交互,签名占用空间缩小30%,具有更短的执行时间,适用于5G网络下的资源受限设备。
In order to improve the security and efficiency of threshold group signature in 5G environment
a new scheme was proposed.The core idea was to introduce message token and dynamic identity to improve the freshness of authentication information and increase the difficulty of enemy attacks.At the same time
the number of interactions between the participating parties was simplified
and some computing tasks were migrated to the server to reduce the computing overhead of the member part.After security analysis
the proposed scheme can resist multiple attacks including replay attack.After performance analysis
the proposed scheme can reduce the interaction with the trusted center twice compared with similar schemes
reduce the signature space by 30%
and have shorter execution time
which is suitable for resource-constrained devices under 5G network.
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