JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) ›› 2016, Vol. 51 ›› Issue (9): 84-91.doi: 10.6040/j.issn.1671-9352.3.2015.067

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A P2P network privacy protection system based on anonymous broadcast encryption scheme

LI Yu-xi1, WANG Kai-xuan1, LIN Mu-qing2, ZHOU Fu-cai1*   

  1. 1. Software College, Northeast University, Shenyang 110819, Liaoning, China;
    2. College of Information Science and Engineering, Northeast University, Shenyang 110819, Liaoning, China
  • Received:2015-08-02 Online:2016-09-20 Published:2016-09-23

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Abstract: Aiming at the problem that the existing broadcast encryption scheme cannot protect the users privacy well, we proposed a broadcast encryption scheme with the receiver anonymity based on composite order bilinear groups and Lagrange interpolation method. And aiming at the low privacy protection in the existing P2P network system, we constructed a P2P network privacy protection system based on the proposed anonymous broadcast encryption scheme. Then,we designed and implemented function modules of the system by Android, and verified every modules function. The results show that the proposed anonymous broadcast encryption algorithm can distribute the users data and effectively protect the privacy of the receiver, at the same time, solve the problems that exist in the existing in P2P networks which rely on expensive anonymous technology to protect user data privacy and the excessive open of user permission.

Key words: access control, the receivers anonymity, P2P networks, privacy protection, broadcast encryption

CLC Number: 

  • TP393
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