[Resource Topic] 2013/582: The Special Number Field Sieve in $\F _{p^{n}}$, Application to Pairing-Friendly Constructions

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Title:
The Special Number Field Sieve in \F _{p^{n}}, Application to Pairing-Friendly Constructions

Authors: Antoine Joux, Cécile Pierrot

Abstract:

In this paper, we study the discrete logarithm problem in finite fields related to pairing-based curves. We start with a precise analysis of the state-of-the-art algorithms for computing discrete logarithms that are suitable for finite fields related to pairing-friendly constructions. To improve upon these algorithms, we extend the Special Number Field Sieve to compute discrete logarithms in \F_{p^{n}}, where p has an adequate sparse representation. Our improved algorithm works for the whole range of applicability of the Number Field Sieve.

ePrint: https://eprint.iacr.org/2013/582

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