Redactable consortium blockchain with access control:Leveraging chameleon hash and multi-authority attribute-based encryption  

作　　者：Yueyan Dong Yifang Li Ye Cheng Dongxiao Yu 

机构地区：[1]School of Computer Science and Technology,Shandong University,Qingdao 266237,China

出　　处：《High-Confidence Computing》2024年第1期14-23,共10页高置信计算（英文）

基　　金：supported by the National Key Research and Development Program of China(2020YFB1005900)。

摘　　要：A redactable blockchain allows authorized individuals to remove or replace undesirable content,offering the ability to remove illegal or unwanted information.Access control is a mechanism that limits data visibility and ensures that only authorized users can decrypt and access encrypted information,playing a crucial role in addressing privacy concerns and securing the data stored on a blockchain.Redactability and access control are both essential components when implementing a regulated consortium blockchain in real-world situations to ensure the secure sharing of data while removing undesirable content.We propose a decentralized consortium blockchain system prototype that supports redactability and access control.Through the development of a prototype blockchain system,we investigate the feasibility of combining these approaches and demonstrate that it is possible to implement a redactable blockchain with access control in a consortium blockchain setting.

关 键 词：Regulation Chameleon hash Redactable blockchain Consortium blockchain 

分 类 号：TP311.13[自动化与计算机技术—计算机软件与理论] TP309[自动化与计算机技术—计算机科学与技术]