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Type of publication:Inproceedings
Entered by:
TitleOn the Use of Weber Polynomials in Elliptic Curve Cryptography
Bibtex cite IDRACTI-RU1-2004-38
Booktitle 1st European PKI Workshop
Series Lecture Notes in Computer Science
Year published 2004
Month June
Volume 3093
Pages 335-349
Organization Public Key Infrastructure, EuroPKI 2004
URL http://www3.aegean.gr/europki2004/
Abstract
In many cryptographic applications it is necessary to generate elliptic curves (ECs) with certain security properties. These curves are commonly constructed using the Complex Multiplication method which typically uses the roots of Hilbert or Weber polynomials. The former generate the EC directly, but have high computational demands, while the latter are faster to construct but they do not lead, directly, to the desired EC. In this paper we present in a simple and unifying manner a complete set of transformations of the roots of a Weber polynomial to the roots of its corresponding Hilbert polynomial for all discriminant values on which they are defined. Moreover, we prove a theoretical estimate of the precision required for the computation of Weber polynomials. Finally, we experimentally assess the computational efficiency of theWeber polynomials along with their precision requirements for various discriminant values and compare the results with the theoretical estimates. Our experimental results may be used as a guide for the selection of the most efficient curves in applications residing in resource limited devices such as smart cards that support secure and efficient Public Key Infrastructure (PKI) services.
Authors
Konstantinou, Elisavet
Stamatiou, Yannis
Zaroliagis, Christos
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Attachments
C36-europki2004.pdf (main file)
 
Publication ID400