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A Privacy-Aware PKI System Based on Permissioned Blockchains

  • Rong Wang
  • , Juan He
  • , Can Liu
  • , Qi Li
  • , Wei Tek Tsai
  • , Enyan Deng
  • Beihang University
  • Beijing Tiande Technologies

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Public key infrastructure (PKI) is the foundation and core of network security construction. Blockchain (BC) has many technical characteristics, such as decentralization, impossibility of being tampered with and forged, which makes it have incomparable advantages in ensuring information credibility, security, traceability and other aspects of traditional technology. In this paper, a method of constructing PKI certificate system based on permissioned BC is proposed. The problems of multi-CA mutual trust, poor certificate configuration efficiency and single point failure in digital certificate system are solved by using the characteristics of BC distribution and non-tampering. At the same time, in order to solve the problem of identity privacy on BC, this paper proposes a privacy-aware PKI system based on permissioned BCs. This system is an anonymous digital certificate publishing scheme., which achieves the separation of user registration and authorization, and has the characteristics of anonymity and conditional traceability, so as to realize to protect user's identity privacy. The system meets the requirements of certificate security and anonymity, reduces the cost of CA construction, operation and maintenance in traditional PKI technology, and improves the efficiency of certificate application and configuration.

Original languageEnglish
Title of host publicationICSESS 2018 - Proceedings of 2018 IEEE 9th International Conference on Software Engineering and Service Science
EditorsLi Wenzheng, M. Surendra Prasad Babu
PublisherIEEE Computer Society
Pages928-931
Number of pages4
ISBN (Electronic)9781538665640
DOIs
StatePublished - 2 Jul 2018
Event9th IEEE International Conference on Software Engineering and Service Science, ICSESS 2018 - Beijing, China
Duration: 23 Nov 201825 Nov 2018

Publication series

NameProceedings of the IEEE International Conference on Software Engineering and Service Sciences, ICSESS
Volume2018-November
ISSN (Print)2327-0586
ISSN (Electronic)2327-0594

Conference

Conference9th IEEE International Conference on Software Engineering and Service Science, ICSESS 2018
Country/TerritoryChina
CityBeijing
Period23/11/1825/11/18

Keywords

  • component
  • digital certificate
  • permissioned blockchains
  • privacy-awareness
  • public-key infrastructure
  • security

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