On the strong forward secrecy of the improved Chikazawa-Yamagishi ID-based key sharing

ik rae Jeong, Jeong Ok Kwon, Dong Hoon Lee

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

In this letter, we show that Jung's ID-based scheme, which is the improved version of the Chikazawa-Yamagishi scheme, satisfies only the weak forward secrecy. But the weak forward secrecy is not quite realistic, since it is not sufficient for modeling the real attacks. To address this problem, the strong forward secrecy has been pursued, which is modeling the more realistic attacks. We then suggest a modification of Jung's ID-based scheme to provide the strong forward secrecy.

Original languageEnglish
Pages (from-to)2626-2628
Number of pages3
JournalIEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
VolumeE90-A
Issue number11
DOIs
Publication statusPublished - 2007 Nov 1

Keywords

  • Conference key
  • ID-based scheme
  • Strong forward secrecy

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Computer Graphics and Computer-Aided Design
  • Applied Mathematics
  • Signal Processing

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