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Paper 2013/200
Selecting polynomials for the Function Field Sieve
Razvan Barbulescu
Abstract
The Function Field Sieve algorithm is dedicated to computing discrete logarithms in a finite field GF(q^n) , where q is a small prime power. The scope of this article is to select good polynomials for this algorithm by defining and measuring the size property and the so-called root and cancellation properties. In particular we present an algorithm for rapidly testing a large set of polynomials. Our study also explains the behaviour of inseparable polynomials, in particular we give an easy way to see that the algorithm encompass the Coppersmith algorithm as a particular case.
Metadata
- Available format(s)
- Category
- Public-key cryptography
- Publication info
- Published elsewhere. Unknown where it was published
- Contact author(s)
- razvan barbulescu @ inria fr
- History
- 2013-04-09: received
- Short URL
- https://ia.cr/2013/200
- License
-
CC BY