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ECC Over GF(2m)/sage/Point_validation_affine.sage

+def Pointvalidation_affine(x,y,a,b,n,PRECISION):
+
+x_poly= str_to_poly(x)
+y_poly=str_to_poly(y)
+
+print 'x_poly=',x_poly
+print 'y_poly=',y_poly
+
+#Calculation of resultant coordinates
+L_poly = ( (y_poly ) *(y_poly ) ) + ( (x_poly ) * (y_poly ) ) 
+
+R_poly = ( (x_poly ) * (x_poly ) * (x_poly ) )  + ((x_poly ) * (x_poly ) * a ) + b
+
+L_poly-R_poly = 0
+
+print 'L=',poly_to_str(L_poly)
+print 'R=',poly_to_str(R_poly)
+print 'L-R=', poly_to_str(L_poly-R_poly)
+
+  
+    
+ #where the equation should satisfy with the parameters to validate point on curve
+     # y.y + xy = x.x.x +a.x.x + b 
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