Removes not needed interface

arith.go

@@ -95,7 +95,7 @@ func inv(dest, x *Fp2) {
 	fpMul(&e2, &x.B, &x.B) // = b*b*R*R
 	fp2Add(&e1, &e1, &e2)  // = (a^2 + b^2)*R*R
 	fpMontRdc(&f1, &e1)    // = (a^2 + b^2)*R mod p
-	// Now&f1 = a^2 + b^2
+	// Now f1 = a^2 + b^2
 
 	fpMulRdc(&f2, &f1, &f1)
 	p34(&f2, &f2)

curve.go

@@ -1,17 +1,5 @@
 package sike
 
-// Interface for working with isogenies.
-type isogeny interface {
-	// Given a torsion point on a curve computes isogenous curve.
-	// Returns curve coefficients (A:C), so that E_(A/C) = E_(A/C)/<P>,
-	// where P is a provided projective point. Sets also isogeny constants
-	// that are needed for isogeny evaluation.
-	GenerateCurve(*ProjectivePoint) CurveCoefficientsEquiv
-	// Evaluates isogeny at caller provided point. Requires isogeny curve constants
-	// to be earlier computed by GenerateCurve.
-	EvaluatePoint(*ProjectivePoint) ProjectivePoint
-}
-
 // Stores isogeny 3 curve constants
 type isogeny3 struct {
 	K1 Fp2