属性群签名的可信服务选择方案  

Trustworthy Service Selection Scheme Based on Attribute-based Group Signature

作　　者：刘立[1,2] 陈志刚[2] 金可音[1] 

机构地区：[1]湖南工业大学计算机与通信学院,湖南株洲412008 [2]中南大学信息科学与工程学院,长沙410083

出　　处：《小型微型计算机系统》2012年第5期967-970,共4页Journal of Chinese Computer Systems

基　　金：国家自然科学基金项目(60873082;60903058)资助

摘　　要：面向服务计算(service-oriented computing,SOC)的一个基本内容就是选择和组合服务以直接支持指定用户的需求或提供附加服务,这些需求往往是细粒度的.现有的服务选择方法要么没有考虑要么是从粗粒度上考虑服务间的信任关系.我们提出一个新的可信服务选择方法:基于属性群签名的可信服务选择方案(TSS-ABGS).该方案将功能属性相同的可选服务组成一个属性群,当请求者向该群发出包含属性集的选择请求时,满足属性集要求的群成员返回一个签名,请求者通过群管理员开放签名者并与之建立可信关系而达到可信服务选择的目的.该方法具有可跟踪性和防共谋.A fundamental challenge in service-oriented computing（SOC） is to select and compose services to support user needs directly or by providing additional services and these requirements are often fine-grained.Service selection should be determined based on user preferences and business policies,and consider the trustworthiness of service instances.Existing approaches for service selection either fail to capture the dynamic trust relationships or consider their trust relationship from the coarse-grained between services.A new trust-aware service selection approaches is proposed： trustworthy service selection scheme based on attribute-based group signature（TSS-ABGS）.In TSS-ABGS,the candidate service with same functional attributes are composed of a group,a member or members of the group who satisfies the requirements responses a signature when the service consumer（or requestor） sent a request including attribute set to the group.The group manager opens the signer,and trust relationship can be established between the requestor and signer through trust negotiation.TSS-ABGS is traceable and anti-collusion.

关 键 词：属性群签名 服务选择 信任协商 可信服务 面向服务计算 

分 类 号：TP311[自动化与计算机技术—计算机软件与理论]