基于ECC的智能家居感知层密钥管理技术研究

Research on Key Management Technology of Smart Home Perception Layer Based on ECC

针对智能家居产品规模小、配置简单、系统开销小等特点,结合ECC速度快、安全性高、运算和存储要求小等特点,提出基于ECC的智能家居感知层密钥管理技术方案.方案从RFID和WSN入手,通过ECC有限域选取、安全参数选取、初始化、密钥协商、身份验证、信息通信、WSN节点删除等阶段,对基于ECC的智能家居RFID和WSN的密钥管理技术进行详细论述,针对RFID和WSN的身份验证过程给出安全性分析和性能分析.在此基础上,提出了加入可信第三方、分簇传感器网络、混合式密钥管理技术等相关技术以提升性能.方案兼顾了智能家居产品的安全性和性能要求,有效解决了基于ECC的智能家居感知层密钥管理安全问题.

According to the characteristics of smart home products such as small scale,simple configuration and low system overhead,combined with the characteristics of ECC,such as fast speed,high security and small requirements for operation and storage,a key management technology scheme of smart home perception layer based on ECC is proposed.Starting with RFID and WSN,the scheme discusses the key management technology of smart home RFID and WSN based on ECC in detail through the stages of ECC limited domain selection,security parameter selection,initialization,key negotiation,authentication,information communication and WSN node deletion,and gives security analysis and performance analysis for the authentication process of RFID and WSN.On this basis,some related technologies are proposed to improve the performance,such as adding a trusted third party,clustering sensor networks,hybrid key management technology and so on.The scheme takes into account the security and performance requirements of smart home products,and effectively solves the security problem of smart home perception layer key management based on ECC.