[1]任正伟,余易晋.基于可追踪环签名的联盟链身份隐私保护方法[J].计算机技术与发展,2024,34(03):102-109.[doi:10. 3969 / j. issn. 1673-629X. 2024. 03. 016]
　REN Zheng-wei,YU Yi-jin.A Method of Identity Privacy Protection in Consortium Blockchain Based on Traceable Ring Signature[J].,2024,34(03):102-109.[doi:10. 3969 / j. issn. 1673-629X. 2024. 03. 016]
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基于可追踪环签名的联盟链身份隐私保护方法()
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《计算机技术与发展》[ISSN:1006-6977/CN:61-1281/TN]

卷:
34
期数:
2024年03期
页码:
102-109
栏目:
网络空间安全
出版日期:
2024-03-10

文章信息/Info

Title:
A Method of Identity Privacy Protection in Consortium Blockchain Based on Traceable Ring Signature
文章编号:
1673-629X(2024)03-0102-08
作者:
任正伟1; 2 ; 余易晋1
1. 武汉科技大学 计算机科学与技术学院,湖北 武汉 430065;
2. 智能信息处理与实时工业系统湖北省重点实验室(武汉科技大学),湖北 武汉 430065
Author(s):
REN Zheng-wei1; 2 ; YU Yi-jin1
1. School of Computer Science and Technology,Wuhan University of Science and Technology,Wuhan 430065,China;
2. Hubei Province Key Laboratory of Intelligent Information Processing and Real-time Industrial System ( Wuhan University of Science and Technology) ,Wuhan 430065,China
关键词:
区块链; 联盟链; 身份隐私; 可追踪环签名; 实用拜占庭容错
Keywords:
blockchain; consortium blockchain; identity privacy; traceable ring signature; practical byzantine fault tolerance
分类号:
TP309
DOI:
10. 3969 / j. issn. 1673-629X. 2024. 03. 016
摘要:
作为目前被广泛使用的一种区块链,联盟链相较于公有链虽然具有更好的隐私性,但也仍然面临着因去匿名化方法而导致用户身份隐私泄露的问题。 为了保护联盟链中用户的身份隐私,并且增加系统的容错性,提出了将可追踪环签名和实用拜占庭容错结合的联盟链身份隐私保护方法。 该方法的核心思想是通过可追踪环签名来使联盟链中用户的身份具有条件匿名性,条件匿名性指的是用户在一定条件下是匿名的,即用户在正常交易时是匿名的,而当用户之间产生交易纠纷时,也可以对交易相关用户的身份进行去匿名化。 此外,将可追踪环签
名与实用拜占庭容错相结合,去匿名化的任务由联盟链中的节点通过实用拜占庭容错完成,减少了联盟链中心机构的权利和责任,即使用户对中心机构具有匿名性,也保证系统在中心机构出错时能够正常运行。 通过实验分析和对比,该方案能够在合理的计算开销内保护用户身份隐私,并且保证较高的安全性和容错性。
Abstract:
As a branch of blockchain that is widely used at present,consortium blockchain has stronger privacy than the public chain inblockchain,but there are still some de-anonymi-
zation methods that can reveal the identity privacy of users in consortium blockchain. Inorder to protect the identity privacy of users in consortium blockchain and increase the robustness of system,we propose a consortiumblockchain identity privacy protection method combining traceable ring signature and practical byzantine fault tolerance. Its core idea is tomake the identity of users in the consortium blockchain conditional anonymity through traceable ring signature,and conditional anonymityrefers to that the user is anonymous under certain conditions, that is, the user is anonymous during normal transactions. When atransaction dispute occurs between users, the identity of the transaction related users can also be de - anonymization. In addition,combining traceable ring signature with practical byzantine fault tolerance,the task of de-anonymization is completed by the nodes in theconsortium blockchain through practical byzantine fault tolerant,which reduces the power and responsibility of the central authority of theconsortium blockchain,　not only makes the user anonymous to the central authority,but also ensures that the system can operate normallywhen the central authority fails. Through experimental analysis and comparison,the proposed scheme can protect user identity privacy andensure high security and fault tolerance within a reasonable computational cost.

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更新日期/Last Update: 2024-03-10