A Peer-to-Peer Content-Distribution Scheme Resilient to Key Leakage

Tatsuyuki MATSUSHITA; Shinji YAMANAKA; Fangming ZHAO

doi:10.1587/transinf.2016PAP0018

A Peer-to-Peer Content-Distribution Scheme Resilient to Key Leakage

Tatsuyuki MATSUSHITA, Shinji YAMANAKA, Fangming ZHAO

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Peer-to-peer (P2P) networks have attracted increasing attention in the distribution of large-volume and frequently accessed content. In this paper, we mainly consider the problem of key leakage in secure P2P content distribution. In secure content distribution, content is encrypted so that only legitimate users can access the content. Usually, users (peers) cannot be fully trusted in a P2P network because malicious ones might leak their decryption keys. If the redistribution of decryption keys occurs, copyright holders may incur great losses caused by free riders who access content without purchasing it. To decrease the damage caused by the key leakage, the individualization of encrypted content is necessary. The individualization means that a different (set of) decryption key(s) is required for each user to access content. In this paper, we propose a P2P content distribution scheme resilient to the key leakage that achieves the individualization of encrypted content. We show the feasibility of our scheme by conducting a large-scale P2P experiment in a real network.

Publication: IEICE TRANSACTIONS on Information Vol.E99-D No.12 pp.2956-2967

Publication Date: 2016/12/01

Publicized: 2016/08/25

Online ISSN: 1745-1361

DOI: 10.1587/transinf.2016PAP0018

Type of Manuscript: Special Section PAPER (Special Section on Parallel and Distributed Computing and Networking)

Category: Distributed system

Authors

Tatsuyuki MATSUSHITA
  Toshiba Corporation
Shinji YAMANAKA
  Toshiba Corporation
Fangming ZHAO
  Toshiba Corporation

Keyword

peer-to-peer, content distribution, key-leakage resilience, individualization, multiple encryption

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Tatsuyuki MATSUSHITA, Shinji YAMANAKA, Fangming ZHAO, "A Peer-to-Peer Content-Distribution Scheme Resilient to Key Leakage" in IEICE TRANSACTIONS on Information, vol. E99-D, no. 12, pp. 2956-2967, December 2016, doi: 10.1587/transinf.2016PAP0018.
Abstract: Peer-to-peer (P2P) networks have attracted increasing attention in the distribution of large-volume and frequently accessed content. In this paper, we mainly consider the problem of key leakage in secure P2P content distribution. In secure content distribution, content is encrypted so that only legitimate users can access the content. Usually, users (peers) cannot be fully trusted in a P2P network because malicious ones might leak their decryption keys. If the redistribution of decryption keys occurs, copyright holders may incur great losses caused by free riders who access content without purchasing it. To decrease the damage caused by the key leakage, the individualization of encrypted content is necessary. The individualization means that a different (set of) decryption key(s) is required for each user to access content. In this paper, we propose a P2P content distribution scheme resilient to the key leakage that achieves the individualization of encrypted content. We show the feasibility of our scheme by conducting a large-scale P2P experiment in a real network.
URL: https://global.ieice.org/en_transactions/information/10.1587/transinf.2016PAP0018/_p

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@ARTICLE{e99-d_12_2956,
author={Tatsuyuki MATSUSHITA, Shinji YAMANAKA, Fangming ZHAO, },
journal={IEICE TRANSACTIONS on Information},
title={A Peer-to-Peer Content-Distribution Scheme Resilient to Key Leakage},
year={2016},
volume={E99-D},
number={12},
pages={2956-2967},
abstract={Peer-to-peer (P2P) networks have attracted increasing attention in the distribution of large-volume and frequently accessed content. In this paper, we mainly consider the problem of key leakage in secure P2P content distribution. In secure content distribution, content is encrypted so that only legitimate users can access the content. Usually, users (peers) cannot be fully trusted in a P2P network because malicious ones might leak their decryption keys. If the redistribution of decryption keys occurs, copyright holders may incur great losses caused by free riders who access content without purchasing it. To decrease the damage caused by the key leakage, the individualization of encrypted content is necessary. The individualization means that a different (set of) decryption key(s) is required for each user to access content. In this paper, we propose a P2P content distribution scheme resilient to the key leakage that achieves the individualization of encrypted content. We show the feasibility of our scheme by conducting a large-scale P2P experiment in a real network.},
keywords={},
doi={10.1587/transinf.2016PAP0018},
ISSN={1745-1361},
month={December},}

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TY - JOUR
TI - A Peer-to-Peer Content-Distribution Scheme Resilient to Key Leakage
T2 - IEICE TRANSACTIONS on Information
SP - 2956
EP - 2967
AU - Tatsuyuki MATSUSHITA
AU - Shinji YAMANAKA
AU - Fangming ZHAO
PY - 2016
DO - 10.1587/transinf.2016PAP0018
JO - IEICE TRANSACTIONS on Information
SN - 1745-1361
VL - E99-D
IS - 12
JA - IEICE TRANSACTIONS on Information
Y1 - December 2016
AB - Peer-to-peer (P2P) networks have attracted increasing attention in the distribution of large-volume and frequently accessed content. In this paper, we mainly consider the problem of key leakage in secure P2P content distribution. In secure content distribution, content is encrypted so that only legitimate users can access the content. Usually, users (peers) cannot be fully trusted in a P2P network because malicious ones might leak their decryption keys. If the redistribution of decryption keys occurs, copyright holders may incur great losses caused by free riders who access content without purchasing it. To decrease the damage caused by the key leakage, the individualization of encrypted content is necessary. The individualization means that a different (set of) decryption key(s) is required for each user to access content. In this paper, we propose a P2P content distribution scheme resilient to the key leakage that achieves the individualization of encrypted content. We show the feasibility of our scheme by conducting a large-scale P2P experiment in a real network.
ER -