Updating key size estimations for pairings

Abstract : Recent progress on NFS imposed a new estimation of the security of pairings. In this work we study the best attacks against some of the most popular pairings. It allows us to propose new pairing-friendly curves of 128 bits and 192 bits of security.
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Contributor : Razvan Barbulescu <>
Submitted on : Monday, December 18, 2017 - 7:42:53 PM
Last modification on : Friday, November 8, 2019 - 2:28:48 PM

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Razvan Barbulescu, Sylvain Duquesne. Updating key size estimations for pairings. Journal of Cryptology, Springer Verlag, 2019, 32 (4), pp.1298--1336. ⟨10.1007/s00145-018-9280-5⟩. ⟨hal-01534101v2⟩

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