通信学报 ›› 2020, Vol. 41 ›› Issue (5): 205-214.doi: 10.11959/j.issn.1000-436x.2020087

• 学术通信 • 上一篇    

高效的隐私保护在线人脸认证方案

李明1,杨晓鹏2(),朱辉2,王枫为2,李祁2   

  1. 1 国家知识产权局专利局,北京 100088
    2 西安电子科技大学综合业务网理论及关键技术国家重点实验室,陕西 西安 710071
  • 修回日期:2020-03-31 出版日期:2020-05-25 发布日期:2020-05-30
  • 作者简介:李明(1977- ),男,陕西西安人,博士,国家知识产权局专利局研究员,主要研究方向为数据安全与应用安全|杨晓鹏(1991- ),男,河南林州人,西安电子科技大学博士生,主要研究方向为生物特征隐私保护、密码学及其应用|朱辉(1981- ),男,河南周口人,博士,西安电子科技大学教授、博士生导师,主要研究方向为数据安全与隐私保护、安全方案及协议设计、网络及应用安全等|王枫为(1993- ),男,河南周口人,西安电子科技大学博士生,主要研究方向为大数据安全与隐私保护与应用密码学|李祁(1994- ),男,江苏苏州人,西安电子科技大学硕士生,主要研究方向为大数据安全与隐私保护、应用密码学
  • 基金资助:
    国家重点研发计划基金资助项目(2017YFB0802200);国家自然科学基金资助项目(61972304);国家自然科学基金资助项目(61932015);陕西省重点研发计划基金资助项目(2019ZDLGY12-02);陕西省创新团队基金资助项目(2018TD-007)

Efficient and privacy-preserving online face authentication scheme

Ming LI1,Xiaopeng YANG2(),Hui ZHU2,Fengwei WANG2,Qi LI2   

  1. 1 Patent Office,China National Intellectual Property Administration,Beijing 100088,China
    2 State Key Laboratory of Integrated Services Networks,Xidian University,Xi’an 710071,China
  • Revised:2020-03-31 Online:2020-05-25 Published:2020-05-30
  • Supported by:
    The National Key Research and Development Program of China(2017YFB0802200);The National Natural Science Foundation of China(61972304);The National Natural Science Foundation of China(61932015);The Shannxi Provincial Key Research and Development Program(2019ZDLGY12-02);The Innovation Team Project of Shannxi Province(2018TD-007)

摘要:

在传统人脸认证系统中,用户特征模板和认证请求通常基于明文进行匹配,存在敏感数据泄露的风险。针对此问题,提出了一种基于矩阵加密的隐私保护的在线人脸认证方案。该方案中,用户的人脸特征模板注册和后续身份认证请求均通过矩阵加密后分别发送给在线认证服务器,并由在线认证服务器完成密文下两者间的相似度计算,能够在不影响认证精确度的同时,有效保护在线人脸认证过程中用户的敏感数据。安全性分析表明,通过选取不同安全参数,所提方案能够实现多安全等级,满足差异化场景中的隐私保护需求。性能分析显示,所提方案具有较低的计算开销与通信开销。仿真测试基于真实人脸数据库,其结果验证了所提方案的高效性,能够在真实环境中进行有效应用。

关键词: 在线人脸认证, 隐私保护, 矩阵加密, 生物特征模板

Abstract:

In traditional face authentication system,the trait template and authentication request were generally matched over plaintext,which may lead to the leakage of users’ sensitive data.In order to address the above-mentioned problem,based on matrix encryption,an efficient and privacy-preserving online face authentication scheme was proposed.Specifically,the users’ face trait template for register and the authentication request were encrypted before being sent to the online authentication server,and the similarity computation between the encrypted face trait template and authentication request was computed by the online authentication server over ciphertexts,which guaranteed the security of users’ sensitive data without affecting the accuracy of face authentication.Security analysis shows that the proposed scheme can achieve multiple security levels according to different security parameters.Moreover,performance evaluation shows that the proposed scheme has low computation cost and communication overhead.Experiments results demonstrate the high efficiency of the proposed scheme,which can be implemented in the real environment effectively.

Key words: online face authentication, privacy-preserving, matrix encryption, biometric template

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