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Offline Peer-to-Peer Broadcast with Anonymity

  • Shinsaku Kiyomoto
  • Kazuhide Fukushima
  • Keith M. Martin
Conference paper
Part of the Communications in Computer and Information Science book series (CCIS, volume 130)

Abstract

Content broadcasting is an effective method of delivering content to a large number of users. Several products are now available to support live broadcasting in IP-based networks. However, live broadcasting in a peer-to-peer (P2P) network involves a heavy concentrated communication load and incurs network delays that result in users not necessarily viewing a live transmission simultaneously. In this paper we consider an alternative type of P2P broadcasting scheme, offline broadcasting, which provides a decentralized broadcasting service with anonymity. This scheme provides a practical alternative to existing techniques for broadcasting content that can be created in advance. We present security analysis of the scheme from the following aspects: security of our timed release encryption scheme, timed release capability, content plagiarism, masquerading, denial of service, and content protection.

Keywords

Time Server Multimedia Content Content Item Bilinear Pairing Broadcasting Service 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • Shinsaku Kiyomoto
    • 1
  • Kazuhide Fukushima
    • 1
  • Keith M. Martin
    • 2
  1. 1.KDDI R & D Laboratories Inc.FujiminoJapan
  2. 2.Information Security GroupRoyal Holloway University of LondonEghamU.K.

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