基于环签名及无证书签名的智能电网缴费方案
Smart Grid Payment Scheme Based on Ring Signature and Certificateless Signature

DOI: 10.12677/SG.2015.51003, PP. 20-26

Keywords: 智能电网，环签名，无证书签名
Smart Grid, Ring Signature, Certificateless Signature

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Abstract:

随着近几年智能电网技术的不断发展，智能电表系统在提供更为精准的电力负载控制与计量的同时，也给电力用户的隐私带来了信息泄露的风险。研究者已经提出了一些算法，通过密码技术对用户信息进行匿名化，但这些算法存在匿名性不彻底、计算开销大、交互复杂等缺点。本文提出一个基于环签名以及无证书签名的缴费方案，在保护用户信息不泄露的前提下控制通过智能电表完成用电数据采集并进行正确缴费的过程。方案中使用匿名缴费算法使可信第三方只能产生用户部分私钥，实现无条件匿名，整个过程计算开销较小，具有较好的实际应用价值。
With the continuous development of smart grid technologies in recent years, while smart meter system provides more accurate control and measurement of electrical loads, it has brought infor-mation disclosure risks to the user. Researchers have proposed some algorithms, which anonymize user information through the password techniques; but these algorithms have drawbacks that anonymity is not complete, the calculation amount is large, and interactions are complex. This paper puts forward a payment scheme based on ring signature and certificateless signature to protect the privacy of users while completing electricity data collection and payment correctly. The scheme uses anonymous payment algorithm to make a trusted third party only produce the private key of user part. It achieves unconditional anonymity, and reduces computational spending at the whole process and thus has a good practical value.

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