Top
Back: ellipticRandomPoint
Forward: ellipticAllPoints
FastBack:
FastForward:
Up: crypto_lib
Top: Singular Manual
Contents: Table of Contents
Index: Index
About: About this document

D.12.2.29 countPoints

Procedure from library crypto.lib (see crypto_lib).

Usage:
countPoints(N,a,b);

Return:
the number of points of the elliptic curve defined by y^2=x^3+a*x+b over Z/N

Note:
trivial approach

Example:
 
LIB "crypto.lib";
countPoints(181,71,150);
==> 198


Top Back: ellipticRandomPoint Forward: ellipticAllPoints FastBack: FastForward: Up: crypto_lib Top: Singular Manual Contents: Table of Contents Index: Index About: About this document
            User manual for Singular version 4.3.1, 2022, generated by texi2html.