IEICE Electronics Express
Online ISSN : 1349-2543
ISSN-L : 1349-2543
LETTER
Self-healing key distribution scheme with long service time
Chanil ParkJunbeom HurKisuk KweonHyunsoo Yoon
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2010 Volume 7 Issue 13 Pages 913-919

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Abstract

Self-healing key distribution schemes for broadcast encryption are capable of recovering missed group keys and resisting a collusion attack of up to t revoked users. However, since previous schemes have been considered only m sessions, it does not suitable to support infinite sessions. In the paper, we propose an efficient δ-self healing key distribution scheme with revocation capability. The proposed scheme can support infinite sessions by updating the private key of users and supporting a partial revocation. The communication overhead of the proposed scheme is compared with several previous works.

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© 2010 by The Institute of Electronics, Information and Communication Engineers
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