摘要： 针对物联网环境下的密钥管理、隐私保护等安全问题,提出一种基于同态加密与中国剩余定理(HECRT)的密钥管理方案,给出基于节点位置信息的分层网络模型,根据节点位置信息进行网络设施部署。通过构造双重密钥池实现网络密钥管理和分配,从而节省网络开销和节点资源消耗。在通信过程中采用同态加密技术处理节点隐私信息,以保障用户隐私数据的安全。仿真结果表明,该方案具有较好的网络连通性和较高的安全性。

关键词: 物联网, 密钥管理, 同态加密, 中国剩余定理, 共享密钥, 密钥预分配

Abstract: Aiming at some security problems are considered in Internet of Things(IOT),such as key management,and privacy protection.A key management scheme based on Homomorphic Encryption and China Remainder Theorem(HECRT) is proposed,in which a layer network model based on node location is given to deploy network infrastructure.Double key pool is introduced for key management and distribution,which saves network overhead and node resource consumption.According to the use of homomorphic encryption for the note privacy information,it protects users’ privacy and keeps the data processing safe.Simulation result shows that this scheme has good connectivity and security.

Key words: Internet of Things(IOT), key management, Homomorphic Encryption(HE), China Remainder Theorem(CRT), shared key;key pre-distribution

中图分类号: 

• TP393