【摘要】 多微电网能源交易中，不安全通信使得能源交易信息存在被窃听和篡改，导致泄露用户隐私，并影响交易公平性。为此，文章提出一种基于抗量子技术且可追踪的多微电网能源交易隐私保护方案。首先，用户通过伪身份参与能源交易防止其真实身份被泄露；监管机构通过审查联盟链上交易记录识别违法用户，根据伪身份可以追踪其真实身份。其次，设计了将无证书环签密和多变量公钥密码学相结合的算法加密投标信息，并且可以抵抗量子计算攻击，该算法实现对交易消息的签名和加密，保证了消息的机密性和不可伪造性。最后，理论证明所提出方案的安全性，性能分析和实验结果表明所提出的方案时间成本低、计算效率高。更多还原

【Abstract】 In multi-microgrid energy trading, insecure communication can lead to eavesdropping and tampering of energy trading information, resulting in the leakage of user privacy and affecting the fairness of transactions. To address this, a privacy-preserving scheme for multi-microgrid energy trading based on quantum-resistant technology and traceability is proposed. Firstly, users participate in energy trading through pseudo-identities to prevent their real identities from being disclosed. Regulatory authorities can identify illegal users by reviewing transaction records on the consortium blockchain and trace their real identities based on the pseudo-identities. Secondly, an algorithm combining certificateless ring signcryption and multivariable public key cryptography is designed to encrypt bidding information, which can resist quantum computing attacks. This algorithm achieves both signature and encryption of transaction messages, ensuring message confidentiality and non-repudiation. Finally, theoretical proofs demonstrate the security of the proposed scheme. Performance analysis and experimental results show that the proposed scheme has low time cost and high computational efficiency.更多还原