diff options
Diffstat (limited to 'crypto/src/math/ec/multiplier/WTauNafMultiplier.cs')
| -rw-r--r-- | crypto/src/math/ec/multiplier/WTauNafMultiplier.cs | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/crypto/src/math/ec/multiplier/WTauNafMultiplier.cs b/crypto/src/math/ec/multiplier/WTauNafMultiplier.cs index 8e50a161d..d986e7f01 100644 --- a/crypto/src/math/ec/multiplier/WTauNafMultiplier.cs +++ b/crypto/src/math/ec/multiplier/WTauNafMultiplier.cs @@ -29,12 +29,10 @@ namespace Org.BouncyCastle.Math.EC.Multiplier throw new ArgumentException("Only AbstractF2mPoint can be used in WTauNafMultiplier"); AbstractF2mCurve curve = (AbstractF2mCurve)p.Curve; - int m = curve.FieldSize; sbyte a = (sbyte)curve.A.ToBigInteger().IntValue; sbyte mu = Tnaf.GetMu(a); - BigInteger[] s = curve.GetSi(); - ZTauElement rho = Tnaf.PartModReduction(k, m, a, s, mu, (sbyte)10); + ZTauElement rho = Tnaf.PartModReduction(curve, k, a, mu, (sbyte)10); return MultiplyWTnaf(p, rho, a, mu); } @@ -49,15 +47,13 @@ namespace Org.BouncyCastle.Math.EC.Multiplier * <code>[τ]</code>-adic NAF. * @return <code>p</code> multiplied by <code>λ</code>. */ - private AbstractF2mPoint MultiplyWTnaf(AbstractF2mPoint p, ZTauElement lambda, - sbyte a, sbyte mu) + private AbstractF2mPoint MultiplyWTnaf(AbstractF2mPoint p, ZTauElement lambda, sbyte a, sbyte mu) { ZTauElement[] alpha = (a == 0) ? Tnaf.Alpha0 : Tnaf.Alpha1; BigInteger tw = Tnaf.GetTw(mu, Tnaf.Width); - sbyte[]u = Tnaf.TauAdicWNaf(mu, lambda, Tnaf.Width, - BigInteger.ValueOf(Tnaf.Pow2Width), tw, alpha); + sbyte[] u = Tnaf.TauAdicWNaf(mu, lambda, Tnaf.Width, tw.IntValue, alpha); return MultiplyFromWTnaf(p, u); } |