Self-healing key distribution scheme with long service time

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概要

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• 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.

著者

• Yoon Hyunsoo

  Computer Science Department, KAIST

• Hur Junbeom

  Computer Science Department, UIUC

• Park Chanil

  Computer Science Department, KAIST

• Kweon Kisuk

  Computer Science Department, KAIST

関連論文

• Self-healing key distribution scheme with long service time

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