Package org.bouncycastle.math.ec.endo

Class GLVTypeBEndomorphism

java.lang.Object

org.bouncycastle.math.ec.endo.GLVTypeBEndomorphism

All Implemented Interfaces:

ECEndomorphism, GLVEndomorphism

public class GLVTypeBEndomorphism
extends Object
implements GLVEndomorphism

Field Summary

Fields

Modifier and Type	Field	Description
protected final ECCurve	curve
protected final GLVTypeBParameters	parameters
protected final ECPointMap	pointMap

Constructor Summary

Constructors

Constructor	Description
GLVTypeBEndomorphism(ECCurve curve, GLVTypeBParameters parameters)

Method Summary

Modifier and Type	Method	Description
protected BigInteger	calculateB(BigInteger k, BigInteger g, int t)
BigInteger[]	decomposeScalar(BigInteger k)
ECPointMap	getPointMap()
boolean	hasEfficientPointMap()

Methods inherited from class java.lang.Object

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

Field Details

curve

protected final ECCurve curve

parameters

protected final GLVTypeBParameters parameters

pointMap

protected final ECPointMap pointMap

Constructor Details

GLVTypeBEndomorphism

public GLVTypeBEndomorphism(ECCurve curve,
 GLVTypeBParameters parameters)

Method Details

decomposeScalar

public BigInteger[] decomposeScalar(BigInteger k)

Specified by:

decomposeScalar in interface GLVEndomorphism

getPointMap

public ECPointMap getPointMap()

Specified by:

getPointMap in interface ECEndomorphism

hasEfficientPointMap

public boolean hasEfficientPointMap()

Specified by:

hasEfficientPointMap in interface ECEndomorphism

calculateB

protected BigInteger calculateB(BigInteger k,
 BigInteger g,
 int t)