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  • 标题:Distributed Construction of Trust Anchor with the Hyper-Powering Signature Scheme
  • 本地全文:下载
  • 作者:Eisuke KOIZUMI ; Marika MINAGAWA ; Hiroki SHIZUYA
  • 期刊名称:Interdisciplinary Information Sciences
  • 印刷版ISSN:1340-9050
  • 电子版ISSN:1347-6157
  • 出版年度:2012
  • 卷号:18
  • 期号:1
  • 页码:25-36
  • DOI:10.4036/iis.2012.25
  • 出版社:The Editorial Committee of the Interdisciplinary Information Sciences
  • 摘要:In this paper, we explore a strategy for recovering a PKI system without reconstructing the whole one when the trust anchor has been broken. Specifically, we propose two distributed signature schemes based on the hyper-powering discrete logarithm problem, which is a two-dimensional extension of the discrete logarithm problem. We show that these schemes are existentially unforgeable against the adaptively chosen message attack.
  • 关键词:PKI;trust anchor;hyper-powering;distributed signature scheme;random oracle model
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