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Chosen ciphertext secure identity-based broadcast encryption in the standard model

โœ Scribed by Jin Sun; Yu-pu Hu; Le-you Zhang

Book ID
107623992
Publisher
Chinese Electronic Periodical Services
Year
2011
Tongue
English
Weight
182 KB
Volume
16
Category
Article
ISSN
1007-1172

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โœ Zhengping Jin; Qiaoyan Wen; Hongzhen Du ๐Ÿ“‚ Article ๐Ÿ“… 2010 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 203 KB

Recently, Yu et al. proposed the first identity-based signcryption scheme without random oracles and proved it was semantically secure in the standard model. However, in this paper we find that their scheme actually does not reach the semantic security as they claimed. To make up for this defect, we