面向工业互联网访问控制的指纹隐私保护认证方案
杨涛1 王晓培2 赵帅业2（通讯作者） 韩一凡3 张亚楠2

1滨州市科技创新发展研究院，山东滨州，256600；

2滨州职业学院，山东滨州，256600；

3临沂大学，山东临沂，276000；

摘要：针对工业互联网中云端指纹认证存在的生物特征泄露风险，本文提出一种融合噪声注入、矩阵置换加密与部分欧氏距离保序计算的轻量级隐私保护方案。方案利用非对称计算架构，将密集型匹配任务安全外包至云端，客户端仅需轻量计算即可完成认证决策。在FVC2004 DB1_A数据集上实验表明，方案在保持2.1%等错误率（EER）的同时，客户端计算时间减少50%，通信开销降低40%。本方案在隐私性、精度与效率间实现良好平衡，适用于资源受限的工业终端设备。

关键词：指纹认证；工业互联网隐私保护；加密计算；生物特征安全

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