research unit 1
 

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Publication

Type of publication:Inproceedings
Entered by:
TitleOn the Construction of Prime Order Elliptic Curves
Bibtex cite IDRACTI-RU1-2003-28
Booktitle 4th International Conference on Cryptology
Series Lecture Notes in Computer Science
Year published 2003
Month December
Volume 2904
Pages 309-322
Organization INDOCRYPT 2003
Location New Delhi, India
Abstract
We consider a variant of the Complex Multiplication (CM) method for constructing elliptic curves (ECs) of prime order with additional security properties. Our variant uses Weber polynomials whose discriminant D is congruent to 3 (mod 8), and is based on a new transformation for converting roots of Weber polynomials to their Hilbert counterparts. We also present a new theoretical estimate of the bit precision required for the construction of the Weber polynomials for these values of D. We conduct a comparative experimental study investigating the time and bit precision of using Weber polynomials against the (typical) use of Hilbert polynomials. We further investigate the time efficiency of the new CM variant under four different implementations of a crucial step of the variant and demonstrate the superiority of two of them.
Authors
Konstantinou, Elisavet
Stamatiou, Yannis
Zaroliagis, Christos
Topics
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Attachments
C33-indocrypt2003-prime-order-ec.pdf (main file)
 
Publication ID402