org.spongycastle.math.ec

Class MixedNafR2LMultiplier

java.lang.Object

org.spongycastle.math.ec.AbstractECMultiplier

org.spongycastle.math.ec.MixedNafR2LMultiplier

All Implemented Interfaces:

ECMultiplier

public class MixedNafR2LMultiplier
extends AbstractECMultiplier

Class implementing the NAF (Non-Adjacent Form) multiplication algorithm (right-to-left) using mixed coordinates.

Field Summary

Fields

Modifier and Type	Field and Description
protected int	additionCoord
protected int	doublingCoord

Constructor Summary

Constructors

Constructor and Description
MixedNafR2LMultiplier() By default, addition will be done in Jacobian coordinates, and doubling will be done in Modified Jacobian coordinates (independent of the original coordinate system of each point).
MixedNafR2LMultiplier(int additionCoord, int doublingCoord)

Method Summary

Modifier and Type	Method and Description
protected ECCurve	configureCurve(ECCurve c, int coord)
protected ECPoint	multiplyPositive(ECPoint p, java.math.BigInteger k)

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

multiply

Methods inherited from class java.lang.Object

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

Field Detail

additionCoord

protected int additionCoord

doublingCoord

protected int doublingCoord

Constructor Detail

MixedNafR2LMultiplier

public MixedNafR2LMultiplier()

By default, addition will be done in Jacobian coordinates, and doubling will be done in Modified Jacobian coordinates (independent of the original coordinate system of each point).

MixedNafR2LMultiplier

public MixedNafR2LMultiplier(int additionCoord,
                             int doublingCoord)

Method Detail

multiplyPositive

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

Specified by:

multiplyPositive in class AbstractECMultiplier

configureCurve

protected ECCurve configureCurve(ECCurve c,
                                 int coord)