基于保信系统签名技术的电力监控系统主站下发指令身份验证方法
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引用本文:吴金宇, 高宏慧,陶文伟,陈刚,江泽铭.基于保信系统签名技术的电力监控系统主站下发指令身份验证方法[J].计算技术与自动化,2023,(1):199-204
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吴金宇, 高宏慧,陶文伟,陈刚,江泽铭 (中国南方电网有限责任公司广东 广州 510530) 
中文摘要:为了提升身份验证精度,确保电力监控系统数据安全,提出了基于保信系统签名技术的电力监控系统主站下发指令身份验证方法。在电力监控系统主站下达指令给子站时,利用基于身份和MCRSA的多重数字签名方案,通过建立Setup算法、获取私钥、签名算法等步骤实现下发指令的数字签名,并将指令数字签名传输给子站,起到指令签名或盖章的作用,指令数字签名经子站解密后分别获取指令摘要和数字签名摘要,通过判断两份摘要的一致性,验证下达指令用户身份,并通过可验证性、不可抵赖性、无法伪造性实现方案安全性分析。实验结果表明:该方法可验证下发指令用户身份,可抵御攻击者的攻击行为,错误拒绝率、错误接受率均较低,身份验证性能突出。
中文关键词:保信系统  签名技术  电力监控系统  身份验证  安全性  MCRSA算法
 
Authentication Method of Instruction Issued by Master Station of Power Monitoring System Based on Signature Technology of Credit Guarantee System
Abstract:In order to improve the accuracy of authentication and ensure the data security of power monitoring system, an authentication method of instruction issued by master station of power monitoring system based on the signature technology of credit guarantee system is proposed. When the master station of the power monitoring system issues instructions to the sub station, the multi digital signature scheme based on identity and MCRSA is used to realize the digital signature of the issued instructions by establishing the Setup algorithm, obtaining the private key, signing algorithm and other steps, and the digital signature of the instructions is transmitted to the sub station to play the role of instruction signature or seal, After the instruction digital signature is decrypted by the sub station, the instruction summary and digital signature summary are obtained respectively. By judging the consistency of the two summaries, the identity of the user issuing the instruction is verified, and the scheme security analysis is realized through verifiability, non repudiation and non forgery. The experimental results show that this method can verify the identity of the user issuing the instruction, resist the attack behavior of the attacker, the false rejection rate and false acceptance rate are low, and the authentication performance is outstanding.
keywords:credit guarantee system  signature technology  power monitoring system  authentication  safety  MCRSA algorithm
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