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Journal Articles International Journal of Computer Mathematics Year : 2014

Compact hierarchical identity-based encryption based on a harder decisional problem

Abstract

We generalize the decisional problem that was used to prove the security of a well-known hierarchical identity-based encryption scheme by Boneh, Boyen and Goh. We argue that our new problem is strictly harder than the original problem, and thus the security of the aforementioned cryptographic primitive is laid on even stronger foundations.
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Dates and versions

hal-01011299 , version 1 (23-06-2014)

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David Galindo. Compact hierarchical identity-based encryption based on a harder decisional problem. International Journal of Computer Mathematics, 2014, ⟨10.1080/00207160.2014.912278⟩. ⟨hal-01011299⟩
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