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CHES
2010
Springer
183views Cryptology» more  CHES 2010»
13 years 5 months ago
Coordinate Blinding over Large Prime Fields
In this paper we propose a multiplicative blinding scheme for protecting implementations of a scalar multiplication over elliptic curves. Specifically, this blinding method applies...
Michael Tunstall, Marc Joye
AAECC
2003
Springer
165views Algorithms» more  AAECC 2003»
13 years 8 months ago
Fast Point Multiplication on Elliptic Curves through Isogenies
Elliptic curve cryptosystems are usually implemented over fields of characteristic two or over (large) prime fields. For large prime fields, projective coordinates are more suitabl...
Eric Brier, Marc Joye
CHES
2004
Springer
148views Cryptology» more  CHES 2004»
13 years 10 months ago
Aspects of Hyperelliptic Curves over Large Prime Fields in Software Implementations
We present an implementation of elliptic curves and of hyperelliptic curves of genus 2 and 3 over prime fields. To achieve a fair comparison between the different types of groups,...
Roberto Maria Avanzi
EUROCRYPT
2004
Springer
13 years 10 months ago
Construction of Secure Random Curves of Genus 2 over Prime Fields
For counting points of Jacobians of genus 2 curves defined over large prime fields, the best known method is a variant of Schoof’s algorithm. We present several improvements on...
Pierrick Gaudry, Éric Schost
EUROCRYPT
2006
Springer
13 years 8 months ago
The Function Field Sieve in the Medium Prime Case
In this paper, we study the application of the function field sieve algorithm for computing discrete logarithms over finite fields of the form Fqn when q is a medium-sized prime po...
Antoine Joux, Reynald Lercier