Exact Number of Elliptic Curves in the Canonical Form, Which are Isomorphic to Edwards Curves Over Prime Field

Verfasser / Beitragende:
[A. Bessalov, L. Kovalchuk]
Ort, Verlag, Jahr:
2015
Enthalten in:
Cybernetics and Systems Analysis, 51/2(2015-03-01), 165-172
Format:
Artikel (online)
ID: 605519374
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024 7 0 |a 10.1007/s10559-015-9709-x  |2 doi 
035 |a (NATIONALLICENCE)springer-10.1007/s10559-015-9709-x 
245 0 0 |a Exact Number of Elliptic Curves in the Canonical Form, Which are Isomorphic to Edwards Curves Over Prime Field  |h [Elektronische Daten]  |c [A. Bessalov, L. Kovalchuk] 
520 3 |a The necessary and sufficient conditions for the parameters of the curve in the canonical form with two points of order 4 are found. Two lemmas about the properties of quadratic residues are proved, using the Gauss scheme for quadratic residues and non-residues. Based on this lemmas, the exact formulas are derived for the number of elliptic curves with non-zero parameters a and b and two points of order 4 that are isomorphic to Edwards curves over the prime field. It is proved that for large fields the share of such curves is close to 1/4. 
540 |a Springer Science+Business Media New York, 2015 
690 7 |a canonical elliptic curve  |2 nationallicence 
690 7 |a Edwards curve  |2 nationallicence 
690 7 |a twist curve  |2 nationallicence 
690 7 |a curve parameters  |2 nationallicence 
690 7 |a isomorphism  |2 nationallicence 
690 7 |a quadratic residue  |2 nationallicence 
690 7 |a quadratic non-residue  |2 nationallicence 
700 1 |a Bessalov  |D A.  |u Institute of Physics and Technology, National Technical University of Ukraine "Kyiv Polytechnic Institute”, Kyiv, Ukraine  |4 aut 
700 1 |a Kovalchuk  |D L.  |u Institute of Special Communication and Information Security, National Technical University of Ukraine "Kyiv Polytechnic Institute”, Kyiv, Ukraine  |4 aut 
773 0 |t Cybernetics and Systems Analysis  |d Springer US; http://www.springer-ny.com  |g 51/2(2015-03-01), 165-172  |x 1060-0396  |q 51:2<165  |1 2015  |2 51  |o 10559 
856 4 0 |u https://doi.org/10.1007/s10559-015-9709-x  |q text/html  |z Onlinezugriff via DOI 
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900 7 |a Metadata rights reserved  |b Springer special CC-BY-NC licence  |2 nationallicence 
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950 |B NATIONALLICENCE  |P 700  |E 1-  |a Bessalov  |D A.  |u Institute of Physics and Technology, National Technical University of Ukraine "Kyiv Polytechnic Institute”, Kyiv, Ukraine  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Kovalchuk  |D L.  |u Institute of Special Communication and Information Security, National Technical University of Ukraine "Kyiv Polytechnic Institute”, Kyiv, Ukraine  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Cybernetics and Systems Analysis  |d Springer US; http://www.springer-ny.com  |g 51/2(2015-03-01), 165-172  |x 1060-0396  |q 51:2<165  |1 2015  |2 51  |o 10559