Resilient and Redactable Blockchain With Two-Level Rewriting and Version Detection

IF 6.3 1区 计算机科学 Q1 COMPUTER SCIENCE, THEORY & METHODS
Wei Wang;Haipeng Peng;Junke Duan;Licheng Wang;Xiaoya Hu;Zilin Zhao
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引用次数: 0

Abstract

The immutability of blockchain has exposed its limitations in adapting to rapidly evolving legal requirements and preventing malicious misuse. To address these issues, transaction-level redactable blockchain solutions based on the policy-based chameleon hash (PCH) have been introduced. These solutions allow users to create transactions and encrypt trapdoors under specific attribute policies. However, current transaction-level rewriting schemes face two security challenges: Firstly, transactions encrypted with the invalid trapdoor are difficult to rewrite; Secondly, due to lacking version detection on transactions, malicious modifiers may rollback the version of the transaction to launch a reversion attack. In this paper, we present a resilient and redactable blockchain (RRB) with 2-level rewriting and transaction version detection. Specifically, we propose a new redactable blockchain structure that supports both transaction-level and block-level rewriting. To tackle the invalid trapdoor problem, we propose two protocols: a fine-grained, controllable transaction-level rewriting protocol and a centrally controlled block-level rewriting protocol. Moreover, for the transaction reversion attack, we design a version detection mechanism for RRB by using an accumulator. Through security analysis and performance evaluation, we demonstrate the security and practicality of our RRB scheme.
具有两级重写和版本检测功能的弹性可重构区块链
b区块链的不变性暴露了它在适应快速变化的法律要求和防止恶意滥用方面的局限性。为了解决这些问题,引入了基于策略的变色龙散列(PCH)的事务级可读区块链解决方案。这些解决方案允许用户在特定的属性策略下创建事务和加密陷阱门。然而,当前的事务级重写方案面临两个安全挑战:首先,使用无效陷阱门加密的事务难以重写;其次,由于缺乏对事务的版本检测,恶意修饰者可能会将事务的版本回滚,从而发动回滚攻击。在本文中,我们提出了一个具有2级重写和事务版本检测的弹性和可读区块链(RRB)。具体来说,我们提出了一个新的可读区块链结构,它支持事务级和块级重写。为了解决无效陷阱门问题,我们提出了两个协议:细粒度、可控的事务级重写协议和集中控制的块级重写协议。此外,针对事务反转攻击,我们设计了一种基于累加器的RRB版本检测机制。通过安全性分析和性能评估,验证了RRB方案的安全性和实用性。
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来源期刊
IEEE Transactions on Information Forensics and Security
IEEE Transactions on Information Forensics and Security 工程技术-工程:电子与电气
CiteScore
14.40
自引率
7.40%
发文量
234
审稿时长
6.5 months
期刊介绍: The IEEE Transactions on Information Forensics and Security covers the sciences, technologies, and applications relating to information forensics, information security, biometrics, surveillance and systems applications that incorporate these features
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