AnonyTrust: An Anonymous Trust Authentication System for Pervasive Social Networking

Pu Wang, Limei He, Zheng Yan*, Wei Feng

*Corresponding author for this work

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


Pervasive social networking (PSN) is facilitating and enriching people’s life at any time and in any place. One of the most important issues in PSN is its security and privacy, since users hope their privacy not to be disclosed in social activities. Trust relationship plays a crucial role in the PSN system, and can be utilized to support trustworthy PSN system with anonymous authentication. Thus, this paper proposes an anonymous trust authentication (AnonyTrust) scheme that can simultaneously authenticate identities and trust levels of users with privacy preservation. It also can achieve conditional traceability with a trusted server (TS), and can switch online and offline states with multiple authorized access points (APs). The security analysis and performance evaluation show the scheme is secure and efficient regarding security, anonymity, computational complexity, and communication cost. To verify the feasibility of the proposed scheme, a lightweight secret chat application called AnonyChat is developed in practice. The results show AnonyChat performs well and efficiently in Android devices.

Original languageEnglish
Title of host publicationSecurity and Privacy in Digital Economy - 1st International Conference, SPDE 2020, Proceedings
EditorsShui Yu, Peter Mueller, Jiangbo Qian
Number of pages18
ISBN (Electronic)978-981-15-9129-7
Publication statusPublished - 2020
MoE publication typeA4 Article in a conference publication
EventInternational Conference on Security and Privacy in Digital Economy - Quzhou, China
Duration: 30 Oct 20201 Nov 2020
Conference number: 1

Publication series

NameCommunications in Computer and Information Science
Volume1268 CCIS
ISSN (Print)1865-0929
ISSN (Electronic)1865-0937


ConferenceInternational Conference on Security and Privacy in Digital Economy
Abbreviated titleSPDE


  • Anonymous authentication
  • Pervasive social networking
  • Trust management

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