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org.bouncycastle.math.ec.endo

public Class GLVTypeBEndomorphism

extends Object
implements GLVEndomorphism
Class Inheritance
All Implemented Interfaces
org.bouncycastle.math.ec.endo.GLVEndomorphism, org.bouncycastle.math.ec.endo.ECEndomorphism
Imports
java.math.BigInteger, org.bouncycastle.math.ec.ECConstants, .ECCurve, .ECPointMap, .ScaleXPointMap

Field Summary

Modifier and TypeField and Description
protected final ECCurve
curve

protected final GLVTypeBParameters
parameters

protected final ECPointMap
pointMap

Constructor Summary

AccessConstructor and Description
public
GLVTypeBEndomorphism(ECCurve curve, GLVTypeBParameters parameters)

Method Summary

Modifier and TypeMethod and Description
protected BigInteger
calculateB(BigInteger k, BigInteger g, int t)

public BigInteger[]
decomposeScalar(BigInteger k)

Implements org.bouncycastle.math.ec.endo.GLVEndomorphism.decomposeScalar.

public ECPointMap
getPointMap()

Implements org.bouncycastle.math.ec.endo.ECEndomorphism.getPointMap.

public boolean
hasEfficientPointMap()

Implements org.bouncycastle.math.ec.endo.ECEndomorphism.hasEfficientPointMap.

Inherited from java.lang.Object:
cloneequalsfinalizegetClasshashCodenotifynotifyAlltoStringwaitwaitwait

Field Detail

curveback to summary
protected final ECCurve curve
parametersback to summary
protected final GLVTypeBParameters parameters
pointMapback to summary
protected final ECPointMap pointMap

Constructor Detail

GLVTypeBEndomorphismback to summary
public GLVTypeBEndomorphism(ECCurve curve, GLVTypeBParameters parameters)

Method Detail

calculateBback to summary
protected BigInteger calculateB(BigInteger k, BigInteger g, int t)
decomposeScalarback to summary
public BigInteger[] decomposeScalar(BigInteger k)

Implements org.bouncycastle.math.ec.endo.GLVEndomorphism.decomposeScalar.

getPointMapback to summary
public ECPointMap getPointMap()

Implements org.bouncycastle.math.ec.endo.ECEndomorphism.getPointMap.

hasEfficientPointMapback to summary
public boolean hasEfficientPointMap()

Implements org.bouncycastle.math.ec.endo.ECEndomorphism.hasEfficientPointMap.