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Fully secure identity-based signcryption scheme with shorter signcryptext in the standard model

โœ Scribed by Xiangxue Li; Haifeng Qian; Jian Weng; Yu Yu


Book ID
119323453
Publisher
Elsevier Science
Year
2013
Tongue
English
Weight
237 KB
Volume
57
Category
Article
ISSN
0895-7177

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An improved semantically-secure identity
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