摘要
为了解决Hyperledger Fabric使用固定背书节点进行背书而引发的安全问题,提出了一种基于可验证延迟函数的Hyperledger Fabric背书策略优化方案.利用可验证延迟函数不可并行计算以及可高效验证的特点,设计了匿名化、随机化选取背书节点的Fabric交易模型,增强了Fabric交易背书的安全性.通过实验对比优化方案与原始方案,验证了优化方案在增强安全性的同时,在效率上也有一定的提升.
To solve the security problem of Hyperledger Fabric caused by the use of fixed endorsement nodes for endorsement,this study proposes an optimization scheme based on a verifiable delay function for the endorsement policy of Hyperledger Fabric.Considering that the verifiable delay function cannot be calculated in parallel but can be efficiently verified,a Fabric transaction model that anonymously and randomly selects endorsement nodes is designed to enhance the security of Fabric transaction endorsement.The experimental comparison between the optimized scheme and the original one verifies that the optimized scheme not only enhances security but also improves efficiency.
作者
陈楠
周赵斌
陈志德
CHEN Nan;ZHOU Zhao-Bin;CHEN Zhi-De(College of Computer and Cyberspace Security,Fujian Normal University,Fuzhou 350007,China;Fujian Provincial Key Laboratory of Network Security and Cryptology(Fujian Normal University),Fuzhou 350007,China)
出处
《计算机系统应用》
2022年第12期87-94,共8页
Computer Systems & Applications
基金
福建省自然科学基金(2020J01171)
国家自然科学基金(61841701)
