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Improvement of the Efficient Secret Broadcast Scheme
Eun-Jun YOON Muhammad KHURRAM KHAN Kee-Young YOO
IEICE TRANSACTIONS on Information and Systems
Publication Date: 2010/12/01
Online ISSN: 1745-1361
Print ISSN: 0916-8532
Type of Manuscript: LETTER
Category: Information Network
broadcasting network, secret broadcast, binding encryption, message consistency, security,
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In 2009, Jeong et al. proposed a secure binding encryption scheme and an efficient secret broadcast scheme. This paper points out that the schemes have some errors and cannot operate correctly, contrary to their claims. In addition, this paper also proposes improvements of Jeong et al.'s scheme that can withstand the proposed attacks.