具有隐私保护功能的可信电力集中竞价交易出清  

Trusted Clearing of Centralized Power Bidding Transaction with Privacy Protection

作　　者：李鹏 黄文琦 黄容生 秦诗涵 张锐[2] LI Peng;HUANG Wenqi;HUANG Rongsheng;QIN Shihan;ZHANG Rui(China Southern Power Grid Digital Power Grid Research Institute Co.,Ltd.,Guangzhou 510663,China;Institute of Information Engineering,Chinese Academy of Sciences,Beijing 100093,China)

机构地区：[1]南方电网数字电网研究院有限公司,广东广州510663 [2]中国科学院,信息工程研究所,北京100093

出　　处：《微型电脑应用》2023年第12期22-25,共4页Microcomputer Applications

基　　金：国家自然科学基金(61772520,61802392,61972094)。

摘　　要：围绕日前集中竞价交易申报阶段存在的申报价格易泄露、申报信息易被篡改等安全问题,开展研究工作。对于交易出清的流程进行分解,明确具体需要隐私保护的对象,给出系统模型和安全性定义。结合布谷鸟哈希算法、保序加密、数字时间戳等多种隐私保护技术解决目前交易出清存在的申报价格隐私暴露、申报信息易被篡改等安全问题并给出提案的原型实现。实验结果表明,所提出的方案较好地兼顾了隐私保护及效率。成果可以推广到其他交易出清场景,例如股票、证券等。The important security issues such as the easy leakage of declared prices and the tampering of declaration information exposed during the day-ahead deal clearing stage are pointed out.The achievements and contributions in response to the above problems are as follows.The system model and security definition are put forward.A concrete scheme is introduced as well as security and performance analysis.The scheme is implemented and the results show that the proposed methods achieve both privacy-protection and good performances.The results can be also applied to the scenarios of clearance for stock or portfolios.

关 键 词：布谷鸟哈希算法 保序加密 时间戳 交易出清 电网 

分 类 号：TP3[自动化与计算机技术—计算机科学与技术]