|  |  D.12.3.22 isOnCurve Procedure from librarycrypto.lib(see  crypto_lib).
 
Example:Usage:
isOnCurve(N,a,b,P);
Return:
1 or 0 (depending on whether P is on the curve or not)
Note:
checks whether P=(P[1]:P[2]:P[3]) is a point on the elliptic
curve defined by y^2z=x^3+a*xz^2+b*z^3 over Z/N
 |  | LIB "crypto.lib";
isOnCurve(32003,5,7,list(10,16,1));
==> 0
 | 
 
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