org.gudy.bouncycastle.math.ec
Class ECCurve

java.lang.Object
  org.gudy.bouncycastle.math.ec.ECCurve

Direct Known Subclasses:

ECCurve.F2m, ECCurve.Fp

public abstract class ECCurve
extends Object

base class for an elliptic curve

Nested Class Summary

static class	ECCurve.F2m Elliptic curves over F2m.
static class	ECCurve.Fp Elliptic curve over Fp

Constructor Summary

ECCurve()

Method Summary

abstract ECPoint	createPoint(BigInteger x, BigInteger y, boolean withCompression)
abstract ECPoint	decodePoint(byte[] encoded)
abstract ECFieldElement	fromBigInteger(BigInteger x)
ECFieldElement	getA()
ECFieldElement	getB()
abstract int	getFieldSize()
abstract ECPoint	getInfinity()

Methods inherited from class java.lang.Object

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

Constructor Detail

ECCurve

public ECCurve()

Method Detail

getFieldSize

public abstract int getFieldSize()

fromBigInteger

public abstract ECFieldElement fromBigInteger(BigInteger x)

createPoint

public abstract ECPoint createPoint(BigInteger x,
                                    BigInteger y,
                                    boolean withCompression)

decodePoint

public abstract ECPoint decodePoint(byte[] encoded)

getInfinity

public abstract ECPoint getInfinity()

getA

public ECFieldElement getA()

getB

public ECFieldElement getB()