智能电网中基于群组的匿名批量认证技术

项目名称： 智能电网中基于群组的匿名批量认证技术

项目编号： No.61201132

项目类型： 青年科学基金项目

立项/批准年度： 2013

项目学科： 电子学与信息系统

项目作者： 陈杰

作者单位： 西安电子科技大学

项目金额： 27万元

中文摘要： 与传统电网不同，智能电网通过智能终端使用户与电网公司间形成即时连接的网络，实现双向、高速的数据传输和信息控制，达到实时的参数采样。运营管理的显著差异使智能电网中海量设备的逐一验证模式已无法适应高并发接入场景；而频繁数据采集在满足实时管理的同时带来了用户敏感信息泄露的新问题。本项目旨在研究智能电网中基于群组的匿名批量认证技术以及它的两个实现基础：批量验证的容错、检错能力设计和可控关联性的短群签名。包括：基于安全高效的短群签名方案，设计具有匿名性和可审计性的认证协议；利用信息分散算法，构建批量验证方法的容错能力和抗攻击能力；使用新的非交互式零知识证明技术，提出可控关联的短群签名方案。通过对以上内容的突破性研究，使所设计的批量认证协议在支持隐私保护的同时具有检错和容错能力，可满足智能电网用户多级别、多粒度的个性化数据应用需求。我们的研究既具有理论和技术的前瞻性，也注重实际应用的有效性。

中文关键词： 智能电网；匿名批量认证；隐私保护；数据采集；身份认证

英文摘要： Unlike traditional power grid, smart grid forms the real-time connected network between users and grid corporation via smart meters. Thus smart grid can achieve bidirectional and high-speed data transmission and information control，and attain real-time sampling parameters. Because operation and management is significant different in the smart grid, the model of being verified one by one in massive meters is not suitable for the high concurrent access cenario. Frequent data acquisition in smart grid contributes to real-time management, but it brings the new problem of leaking user sensitive information. This project aims to research anonymous batch authentication based on the group in smart grid and its two foundations for the realization. One is how to design fault tolerance and error detection in batch verification. The other is short group signature with controllable linkablity. Research contents include the following: design the anonymous and auditable authentication protocol based on the secure and efficient short group signature, construct fault tolerance and attack resistance in batch verification method by information dispersal algorithm, propose short group signature scheme with controllable relevance making use of the new non-interactive zero-knowledge proofs. Through the above breakthrough research, th

英文关键词： smart grid；anonymous batch authentication；privacy-preserving；data collection；identity authentication