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Comment on “A strong provably secure IBE scheme without bilinear map” by M. Zheng, Y. Xiang and H. Zhou [J. Comput. Syst. Sci. 81 (2015) 125–131]

Damien Vergnaud 1, 2, 3
1 CASCADE - Construction and Analysis of Systems for Confidentiality and Authenticity of Data and Entities
Inria de Paris, CNRS - Centre National de la Recherche Scientifique : UMR 8548, DI-ENS - Département d'informatique de l'École normale supérieure
Abstract : Zheng, Xiang and Zhou published in Journal of Computer and System Sciences in 2015 a “strong provably secure IBE scheme without bilinear map”. In this note, we provide two very simple attacks on their scheme.
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Damien Vergnaud. Comment on “A strong provably secure IBE scheme without bilinear map” by M. Zheng, Y. Xiang and H. Zhou [J. Comput. Syst. Sci. 81 (2015) 125–131]. Journal of Computer and System Sciences, Elsevier, 2016, 82 (5), pp.2. ⟨10.1016/j.jcss.2015.12.003⟩. ⟨hal-01305462⟩

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