随着云计算和无线通信的发展,可穿戴设备作为新型的智能终端为用户提供智能服务支持.由于云计算环境的开放性和无线通信链路的局限性,可穿戴设备进行个人数据监测和管理过程中面临着严峻的安全威胁.文章针对云计算中的可穿戴设备,提出了基于共轭证明的安全认证协议,实现了某个用户的一个智能手机对两个可穿戴设备的同时认证和识别.该协议通过建立共轭证明实现两个相对独立的可穿戴设备主要参数的相关融合.本协议实现了数据的机密性和完整性、前向安全性和双重身份认证等安全特性,适用于资源受限的应用交互场景.%Along with the development of cloud computing and wireless communications, wearable devices become emerging terminals for providing intelligent service support. Due to the openness of cloud environments and limitations of communication channels, it makes that the wearable devices confront severe security issues during the user data monitoring. In this work, a yoking-proofs based authentication protocol is proposed for the wearable devices to realize that a user's smart phone simultaneously identiifes and veriifes two wearable devices. The proposed protocol establishes yoking-proofs to integrate two wearable devices' main parameters, and achieve security properties of data conifdentiality and integrity, forward security, and dual authentication. It indicates that the proposed protocol is lfexible for resource-constrained interactive applications.
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