一种区块链的云计算电子取证模型

doi:10.13190/j.jbupt.2017-079

北京邮电大学学报 ›› 2017, Vol. 40 ›› Issue (6): 120-124.doi: 10.13190/j.jbupt.2017-079

• 研究报告 • 上一篇

一种区块链的云计算电子取证模型

黄晓芳, 徐蕾, 杨茜

西南科技大学计算机科学与技术学院, 四川绵阳 621010

收稿日期:2017-05-11 出版日期:2017-12-28 发布日期:2017-12-28
作者简介:黄晓芳(1977-),女,副教授,E-mail:xf.swust@qq.com.
基金资助:
国家自然青年基金项目（61303230）

Blockchain Model of Cloud Forensics

HUANG Xiao-fang, XU Lei, YANG Xi

School of Computer Science and Technology, Southwest University of Science and Technology, Sichuan Mianyang 621010, China

Received:2017-05-11 Online:2017-12-28 Published:2017-12-28
Supported by:

摘要/Abstract

摘要： 提出了一种区块链的云计算电子取证模型，设计基于Merkle Tree的证据保全及改进的共识算法，实现云计算环境下的去中心化电子取证，防止任何参与方，包括取证调查者、云服务提供商、用户等对取证信息的共谋篡改.实验结果表明，该模型能够有效地对电子证据信息进行保全和验证，保障取证数据的完整性和时效性.

关键词: 电子取证, 区块链, 去中心化, 共识算法

Abstract: An electronic forensics model of cloud computing based on blockchain was proposed, in which, an evidence prevention scheme based on Merkle Tree and an improved consensus algorithm were designed to implement the decentralized electronic forensics under cloud computing environment. This model can prevent any involved party-forensic investigators, cloud service providers, users, etc.-from colluding to tamper with the digital evidence. Experiments show that the model can effectively preserve and verify the electronic evidence, and guarantee the integrity and timeliness of the data.

Key words: electronic forensics, blockchain, decentralization, consensus algorithm

中图分类号:

TP393

黄晓芳, 徐蕾, 杨茜. 一种区块链的云计算电子取证模型[J]. 北京邮电大学学报, 2017, 40(6): 120-124.

HUANG Xiao-fang, XU Lei, YANG Xi. Blockchain Model of Cloud Forensics[J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2017, 40(6): 120-124.

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一种区块链的云计算电子取证模型

Blockchain Model of Cloud Forensics

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