Publication IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer SciencesVol.E90-ANo.1pp.303-304 Publication Date: 2007/01/01 Online ISSN: 1745-1337 DOI: 10.1093/ietfec/e90-a.1.303 Print ISSN: 0916-8508 Type of Manuscript: LETTER Category: Information Security Keyword: public key encryption, status certificate-based encryption, cryptanalysis, key substitution,
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Summary: In this paper, we will show that the status certificate-based encryption scheme proposed by Yum and Lee is insecure against key substitution attacks by two types of attackers.