基于权力指数的DPoS共谋攻击检测与预防

付晓东; 漆鑫鑫; 刘骊; 彭玮; 丁家满; 代飞

doi:10.11959/j.issn.1000-436x.2022233

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基于权力指数的DPoS共谋攻击检测与预防

学术论文 | 更新时间：2024-06-05

- 基于权力指数的DPoS共谋攻击检测与预防
- Detecting and preventing collusion attack in DPoS based on power index
- 通信学报 2022年43卷第12期页码：123-133
- 作者机构：
  
  1. 昆明理工大学信息工程与自动化学院，云南昆明 650500
  2. 昆明理工大学云南省计算机应用技术重点实验室，云南昆明 650500
  3. 西南林业大学大数据与智能工程学院，云南昆明 650224
- 作者简介：
  
  [ "付晓东（1975- ），男，云南镇雄人，博士，昆明理工大学教授，主要研究方向为服务计算、智能决策、可信计算等" ]
  [ "漆鑫鑫（1998- ），男，湖北黄石人，昆明理工大学硕士生，主要研究方向为服务计算、区块链等" ]
  [ "刘骊（1979- ），女，重庆人，博士，昆明理工大学教授，主要研究方向为服务计算、计算机视觉、视频图像处理等" ]
  [ "彭玮（1980- ），女，湖南娄底人，博士，昆明理工大学教授，主要研究方向为生物信息学、数据挖掘、机器学习等" ]
  [ "丁家满（1974- ），男，江西于都人，博士，昆明理工大学教授，主要研究方向为数据挖掘、云计算、软件工程等" ]
  [ "代飞（1982- ），男，四川乐山人，博士，西南林业大学教授，主要研究方向为服务计算、人工智能、软件工程等" ]
- 基金信息：
  
  国家自然科学基金资助项目(61962030);国家自然科学基金资助项目(62262036);云南省中青年学术和技术带头人后备人才培养计划基金资助项目(202005AC160036);云南省窦万春专家工作站基金资助项目(202105AF150013);云南省重大科技专项计划基金资助项目(202102AD080002)
- DOI：10.11959/j.issn.1000-436x.2022233
  中图分类号： TP309
- 网络首发：2022-12，
  
  纸质出版：2022-12-25
- 稿件说明：
移动端阅览
付晓东, 漆鑫鑫, 刘骊, 等. 基于权力指数的DPoS共谋攻击检测与预防[J]. 通信学报, 2022,43(12):123-133.

Xiaodong FU, Xinxin QI, Li LIU, et al. Detecting and preventing collusion attack in DPoS based on power index[J]. Journal on Communications, 2022, 43(12): 123-133.
付晓东, 漆鑫鑫, 刘骊, 等. 基于权力指数的DPoS共谋攻击检测与预防[J]. 通信学报, 2022,43(12):123-133. DOI： 10.11959/j.issn.1000-436x.2022233.

Xiaodong FU, Xinxin QI, Li LIU, et al. Detecting and preventing collusion attack in DPoS based on power index[J]. Journal on Communications, 2022, 43(12): 123-133. DOI： 10.11959/j.issn.1000-436x.2022233.

摘要

针对DPoS共识机制存在恶意节点通过共谋操纵选举，导致DPoS共识过程中区块链安全性无法保证的问题，提出基于权力指数的DPoS共谋攻击检测与预防方法。首先，借鉴博弈理论中权力指数的思想，构建DPoS的加权投票博弈模型，以分析恶意节点的行为动机。然后，通过异常的权力指数变化幅度进行攻击检测，在预防DPoS 共谋攻击的过程中，加入 Softsign 激活函数抑制恶意节点的权力指数。最后，理论分析与实验验证了所提方法检测和预防DPoS共谋攻击的有效性。

Abstract

Since malicious nodes may manipulate voting elections through collusion attacks in consensus mechanism of DPoS

the security of block chain can not be guaranteed in the consensus process of DPoS.To deal with the problem

a method for detecting and preventing collusion attack in DPoS based on power index was proposed.Firstly

a weighted voting game model of DPoS was constructed based on the idea of power index in game theory

and the behavioral motivation of the malicious node could be analyzed.Then

the attacks were detected based on changing range of abnormal power index.During the process of preventing collusion attacks in DPoS

the Softsign activation function was adapted to suppress the power index of malicious nodes.Lastly

the effectiveness of the proposed method to detect and prevent collusion attacks in DPoS was verified through theoretical analysis and experiments.

关键词

Keywords

references

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