An Efficient Revocation Algorithm in ACJT Group Signature
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    Abstract:

    The problem of secure and efficient revocation of membership without incurring big costs has been considered, but no satisfactory solution was reported. This paper proposes a new revocation method of membership based on the ACJT group scheme. The solution is efficient in that it only needs one multiplication to update the public key for the group manager to exclude one group member, and the signing and verifying procedure is independent of the number of the current and excluded group members. To the best of our knowledge, the signing and verifying procedure in the existing revocation schemes is dependent on the number of either the current or the excluded group members, and thus the group manager needs a heavy computation load to update the public key.

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陈泽文,王继林,黄继武,王育民,黄达人. ACJT群签名方案中成员撤消的高效实现.软件学报,2005,16(1):151-157

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History
  • Received:September 05,2003
  • Revised:February 11,2004
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