Top Description Fields Constructors Methods

org.bouncycastle.math.ec

public Class WNafPreCompInfo

Class Inheritance

extends Object
implements PreCompInfo

java.lang.Object
org.bouncycastle.math.ec.WNafPreCompInfo

All Implemented Interfaces

org.bouncycastle.math.ec.PreCompInfo

Class holding precomputation data for the WNAF (Window Non-Adjacent Form) algorithm.

Field Summary

Modifier and Type	Field and Description
protected int	confWidth
protected ECPoint[]	preComp Array holding the precomputed `ECPoint`s used for a Window NAF multiplication.
protected ECPoint[]	preCompNeg Array holding the negations of the precomputed `ECPoint`s used for a Window NAF multiplication.
pack-priv volatile int	promotionCountdown
protected ECPoint	twice Holds an `ECPoint` representing twice(this).
protected int	width

Constructor Summary

Access	Constructor and Description
public	WNafPreCompInfo()

Method Summary

Modifier and Type	Method and Description
pack-priv int	decrementPromotionCountdown()
public int	getConfWidth()
public ECPoint[]	getPreComp()
public ECPoint[]	getPreCompNeg()
pack-priv int	getPromotionCountdown()
public ECPoint	getTwice()
public int	getWidth()
public boolean	isPromoted()
public void	setConfWidth(int confWidth)
public void	setPreComp(ECPoint[] preComp)
public void	setPreCompNeg(ECPoint[] preCompNeg)
pack-priv void	setPromotionCountdown(int promotionCountdown)
public void	setTwice(ECPoint twice)
public void	setWidth(int width)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

confWidth	back to summary
protected int confWidth

preComp	back to summary
protected ECPoint[] preComp Array holding the precomputed `ECPoint`s used for a Window NAF multiplication.

preCompNeg	back to summary
protected ECPoint[] preCompNeg Array holding the negations of the precomputed `ECPoint`s used for a Window NAF multiplication.

promotionCountdown	back to summary
pack-priv volatile int promotionCountdown

twice	back to summary
protected ECPoint twice Holds an `ECPoint` representing twice(this). Used for the Window NAF multiplication to create or extend the precomputed values.

width	back to summary
protected int width

Constructor Detail

WNafPreCompInfo	back to summary
public WNafPreCompInfo()

Method Detail

decrementPromotionCountdown	back to summary
pack-priv int decrementPromotionCountdown()

getConfWidth	back to summary
public int getConfWidth()

getPreComp	back to summary
public ECPoint[] getPreComp()

getPreCompNeg	back to summary
public ECPoint[] getPreCompNeg()

getPromotionCountdown	back to summary
pack-priv int getPromotionCountdown()

getTwice	back to summary
public ECPoint getTwice()

getWidth	back to summary
public int getWidth()

isPromoted	back to summary
public boolean isPromoted()

setConfWidth	back to summary
public void setConfWidth(int confWidth)

setPreComp	back to summary
public void setPreComp(ECPoint[] preComp)

setPreCompNeg	back to summary
public void setPreCompNeg(ECPoint[] preCompNeg)

setPromotionCountdown	back to summary
pack-priv void setPromotionCountdown(int promotionCountdown)

setTwice	back to summary
public void setTwice(ECPoint twice)

setWidth	back to summary
public void setWidth(int width)