基于代理重加密的PCNs数据传输方案  

Data transmission scheme on PCNs based on proxy re-encryption

作　　者：薛庆水 韩静 卢子譞 蔡杰伟 李尹珩 XUE Qing-shui;HAN Jing;LU Zi-xuan;CAI Jie-wei;LI Yin-hang(School of Computer Science and Information Engineering,Shanghai Institute of Technology,Shanghai 201418,China)

机构地区：[1]上海应用技术大学计算机科学与信息工程学院,上海201418

出　　处：《计算机工程与设计》2025年第2期472-478,共7页Computer Engineering and Design

基　　金：国家自然科学基金项目(61672350、61170227);教育部基金项目(39120K178038、14YJA880033);国家社会科学基金项目(16BGL003)。

摘　　要：在对现阶段基于支付通道网络(PCNs)的研究中,发现交易转发过程的安全性和交易数据的隐私性得不到保障,且网络中存在通道负载不均衡问题。为解决这些问题,提出一种基于代理重加密的PCNs方案。使用代理重加密技术,利用半诚实代理节点完成密文的密钥转换,通过代理节点的介入,以细粒度访问控制的方式进行交易传输,确保即使是在不受信任的环境下也能进行交易支付,同时不会泄露任何的明文消息,此外将网络中的节点进行权重计算,采用动态分配算法,均衡整体网络中的负载量,提高网络的使用率。In the research on payment channel networks(PCNs)at present,it is observed that the security of the transaction forwarding process and the privacy of transaction data are not guaranteed,and there is an imbalance in channel loads within the network.To address these issues,a PCNs scheme based on proxy re-encryption was proposed.The proxy re-encryption technology was utilized,employing semi-honest proxy nodes to perform ciphertext key transformation.Through the intervention of proxy nodes,transactions were transmitted with fine-grained access control,ensuring that transactions were conducted even in untrusted environments without leaking any plaintext messages.The weights of nodes in the network were calculated,and dynamic allocation algorithms were employed to balance the overall network load,thereby improving the network utilization.

关 键 词：通道支付网络 隐私保护 区块链 代理重加密 路由算法 密钥转换 椭圆曲线 

分 类 号：TP309.2[自动化与计算机技术—计算机系统结构]