org.bouncycastle.math.ec
Class ECPoint

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

Direct Known Subclasses:

ECPoint.F2m, ECPoint.Fp

public abstract class ECPoint
extends java.lang.Object

base class for points on elliptic curves.

Nested Class Summary

static class	ECPoint.F2m Elliptic curve points over F2m
static class	ECPoint.Fp Elliptic curve points over Fp

Field Summary

private static X9IntegerConverter	converter
(package private) ECCurve	curve
(package private) ECFieldElement	x
(package private) ECFieldElement	y

Constructor Summary

protected

ECPoint(ECCurve curve, ECFieldElement x, ECFieldElement y)

Method Summary

abstract ECPoint	add(ECPoint b)
boolean	equals(java.lang.Object other)
ECCurve	getCurve()
abstract byte[]	getEncoded()
ECFieldElement	getX()
ECFieldElement	getY()
int	hashCode()
boolean	isInfinity()
abstract ECPoint	multiply(java.math.BigInteger b)
abstract ECPoint	subtract(ECPoint b)
abstract ECPoint	twice()

Methods inherited from class java.lang.Object

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

Field Detail

curve

ECCurve curve

x

ECFieldElement x

y

ECFieldElement y

converter

private static X9IntegerConverter converter

Constructor Detail

ECPoint

protected ECPoint(ECCurve curve,
                  ECFieldElement x,
                  ECFieldElement y)

Method Detail

getCurve

public ECCurve getCurve()

getX

public ECFieldElement getX()

getY

public ECFieldElement getY()

isInfinity

public boolean isInfinity()

equals

public boolean equals(java.lang.Object other)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

getEncoded

public abstract byte[] getEncoded()

add

public abstract ECPoint add(ECPoint b)

subtract

public abstract ECPoint subtract(ECPoint b)

twice

public abstract ECPoint twice()

multiply

public abstract ECPoint multiply(java.math.BigInteger b)