org.bouncycastle.math.ec
Class WTauNafMultiplier

java.lang.Object
  org.bouncycastle.math.ec.AbstractECMultiplier
      org.bouncycastle.math.ec.WTauNafMultiplier

All Implemented Interfaces:

ECMultiplier

public class WTauNafMultiplier

extends AbstractECMultiplier

Class implementing the WTNAF (Window τ-adic Non-Adjacent Form) algorithm.

Constructor Summary

WTauNafMultiplier()

Method Summary

protected ECPoint

multiplyPositive(ECPoint point, java.math.BigInteger k) Multiplies a ECPoint.AbstractF2m by k using the reduced τ-adic NAF (RTNAF) method.

Methods inherited from class org.bouncycastle.math.ec.AbstractECMultiplier

checkResult, multiply

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

WTauNafMultiplier

public WTauNafMultiplier()

Method Detail

multiplyPositive

protected ECPoint multiplyPositive(ECPoint point,
                                   java.math.BigInteger k)

Multiplies a ECPoint.AbstractF2m by k using the reduced τ-adic NAF (RTNAF) method.

Specified by:

multiplyPositive in class AbstractECMultiplier

Parameters:

point - The ECPoint.AbstractF2m to multiply.

k - The integer by which to multiply k.

Returns:

p multiplied by k.