A Flexible Tree-Based Key Management Framework

Natsume MATSUZAKI; Toshihisa NAKANO; Tsutomu MATSUMOTO

A Flexible Tree-Based Key Management Framework

Natsume MATSUZAKI, Toshihisa NAKANO, Tsutomu MATSUMOTO

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This paper proposes a flexible tree-based key management framework for a terminal to connect with multiple content distribution systems (called as CDSs in this paper). In an existing tree-based key management scheme, a terminal keeps previously distributed node keys which are used for decrypting contents from a CDS. According to our proposal, the terminal can calculate its node keys of a selected CDS as the need arises, using the "public bulletin board" of the CDS. The public bulletin board is generated by a management center of the individual CDS, depending on a tree structure which it determines in its convenience. After the terminal calculates its node keys, it can get a content of the CDS using the calculated node keys.

Publication: IEICE TRANSACTIONS on Fundamentals Vol.E86-A No.1 pp.129-135

Publication Date: 2003/01/01

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Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security)

Category: Protocols etc.

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Natsume MATSUZAKI, Toshihisa NAKANO, Tsutomu MATSUMOTO, "A Flexible Tree-Based Key Management Framework" in IEICE TRANSACTIONS on Fundamentals, vol. E86-A, no. 1, pp. 129-135, January 2003, doi: .
Abstract: This paper proposes a flexible tree-based key management framework for a terminal to connect with multiple content distribution systems (called as CDSs in this paper). In an existing tree-based key management scheme, a terminal keeps previously distributed node keys which are used for decrypting contents from a CDS. According to our proposal, the terminal can calculate its node keys of a selected CDS as the need arises, using the "public bulletin board" of the CDS. The public bulletin board is generated by a management center of the individual CDS, depending on a tree structure which it determines in its convenience. After the terminal calculates its node keys, it can get a content of the CDS using the calculated node keys.
URL: https://globals.ieice.org/en_transactions/fundamentals/10.1587/e86-a_1_129/_p

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@ARTICLE{e86-a_1_129,
author={Natsume MATSUZAKI, Toshihisa NAKANO, Tsutomu MATSUMOTO, },
journal={IEICE TRANSACTIONS on Fundamentals},
title={A Flexible Tree-Based Key Management Framework},
year={2003},
volume={E86-A},
number={1},
pages={129-135},
abstract={This paper proposes a flexible tree-based key management framework for a terminal to connect with multiple content distribution systems (called as CDSs in this paper). In an existing tree-based key management scheme, a terminal keeps previously distributed node keys which are used for decrypting contents from a CDS. According to our proposal, the terminal can calculate its node keys of a selected CDS as the need arises, using the "public bulletin board" of the CDS. The public bulletin board is generated by a management center of the individual CDS, depending on a tree structure which it determines in its convenience. After the terminal calculates its node keys, it can get a content of the CDS using the calculated node keys.},
keywords={},
doi={},
ISSN={},
month={January},}

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TY - JOUR
TI - A Flexible Tree-Based Key Management Framework
T2 - IEICE TRANSACTIONS on Fundamentals
SP - 129
EP - 135
AU - Natsume MATSUZAKI
AU - Toshihisa NAKANO
AU - Tsutomu MATSUMOTO
PY - 2003
DO -
JO - IEICE TRANSACTIONS on Fundamentals
SN -
VL - E86-A
IS - 1
JA - IEICE TRANSACTIONS on Fundamentals
Y1 - January 2003
AB - This paper proposes a flexible tree-based key management framework for a terminal to connect with multiple content distribution systems (called as CDSs in this paper). In an existing tree-based key management scheme, a terminal keeps previously distributed node keys which are used for decrypting contents from a CDS. According to our proposal, the terminal can calculate its node keys of a selected CDS as the need arises, using the "public bulletin board" of the CDS. The public bulletin board is generated by a management center of the individual CDS, depending on a tree structure which it determines in its convenience. After the terminal calculates its node keys, it can get a content of the CDS using the calculated node keys.
ER -