On the Security of Status Certificate-Based Encryption Scheme

Je Hong PARK  Dong Hoon LEE  

IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences   Vol.E90-A   No.1   pp.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
public key encryption,  status certificate-based encryption,  cryptanalysis,  key substitution,  

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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.