6th International ICST Conference on Collaborative Computing: Networking, Applications, Worksharing

Research Article

A collaborative framework for privacy protection in online social networks

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  • @INPROCEEDINGS{10.4108/icst.collaboratecom.2010.52,
        author={Yan Zhu and Zexing Hu and Huaixi Wang and Hongxin Hu and Gail-Joon Ahn},
        title={A collaborative framework for privacy protection in online social networks},
        proceedings={6th International ICST Conference on Collaborative Computing: Networking, Applications, Worksharing},
        publisher={IEEE},
        proceedings_a={COLLABORATECOM},
        year={2011},
        month={5},
        keywords={Collaboration Communities Cryptography Data privacy Kernel Servers Social network services},
        doi={10.4108/icst.collaboratecom.2010.52}
    }
    
  • Yan Zhu
    Zexing Hu
    Huaixi Wang
    Hongxin Hu
    Gail-Joon Ahn
    Year: 2011
    A collaborative framework for privacy protection in online social networks
    COLLABORATECOM
    ICST
    DOI: 10.4108/icst.collaboratecom.2010.52
Yan Zhu1,2,*, Zexing Hu1,*, Huaixi Wang3,*, Hongxin Hu4,*, Gail-Joon Ahn4,*
  • 1: Institute of Computer Science and Technology, Peking University, Beijing 100871, China
  • 2: Key Laboratory of Network and Software Security Assurance (Peking University), Ministry of Education, China
  • 3: School of Mathematical Sciences, Peking University, Beijing 100871, China
  • 4: Laboratory of Security Engineering for Future Computing (SEFCOM), Arizona State University, Tempe, AZ 85287, USA
*Contact email: yan.zhu@pku.edu.cn, huzx@pku.edu.cn, wanghx@pku.edu.cn, hxhu@asu.edu, gahn@asu.edu

Abstract

With the wide use of online social networks (OSNs), the problem of data privacy has attracted much attention. Several approaches have been proposed to address this issue. One of privacy management approaches for OSN leverages a key management technique to enable a user to simply post encrypted contents so that only users who can satisfy the associate security policy can derive the key to access the data. However, the key management policies of existing schemes may grant access to unauthorized users and cannot efficiently determine authorized users. In this paper, we propose a collaborative framework which enforces access control for OSN through an innovative key management focused on communities. This framework introduces a community key management based on a new group-oriented convergence cryptosystem, as well as provides an efficient privacy preservation needed in a private OSN. To prove the feasibility of our approach, we also discuss a proof-of-concept implementation of our framework. Experimental results show that our construction can achieve the identified design goals for OSNs with the acceptable performance.