Bouncy Castle Cryptography Library 1.79

org.bouncycastle.math.ec.custom.djb
Class Curve25519Point

java.lang.Object
  |
  +--org.bouncycastle.math.ec.ECPoint
        |
        +--org.bouncycastle.math.ec.ECPoint.AbstractFp
              |
              +--org.bouncycastle.math.ec.custom.djb.Curve25519Point

public class Curve25519Point
extends ECPoint.AbstractFp


Inner classes inherited from class org.bouncycastle.math.ec.ECPoint
ECPoint.AbstractF2m, ECPoint.AbstractFp, ECPoint.F2m, ECPoint.Fp
 
Fields inherited from class org.bouncycastle.math.ec.ECPoint
curve, EMPTY_ZS, preCompTable, x, y, zs
 
Method Summary
 ECPoint add(ECPoint b)
           
protected  Curve25519FieldElement calculateJacobianModifiedW(Curve25519FieldElement Z, int[] ZSquared)
           
protected  ECPoint detach()
           
protected  Curve25519FieldElement getJacobianModifiedW()
           
 ECFieldElement getZCoord(int index)
           
 ECPoint negate()
           
 ECPoint threeTimes()
           
 ECPoint twice()
           
protected  Curve25519Point twiceJacobianModified(boolean calculateW)
           
 ECPoint twicePlus(ECPoint b)
           
 
Methods inherited from class org.bouncycastle.math.ec.ECPoint.AbstractFp
getCompressionYTilde, satisfiesCurveEquation, subtract
 
Methods inherited from class org.bouncycastle.math.ec.ECPoint
checkNormalized, createScaledPoint, encodeTo, equals, equals, getAffineXCoord, getAffineYCoord, getCurve, getCurveCoordinateSystem, getDetachedPoint, getEncoded, getEncodedLength, getInitialZCoords, getRawXCoord, getRawYCoord, getRawZCoords, getXCoord, getYCoord, getZCoords, hashCode, isInfinity, isNormalized, isValid, multiply, normalize, satisfiesOrder, scaleX, scaleXNegateY, scaleY, scaleYNegateX, timesPow2, toString
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
 

Method Detail

detach

protected ECPoint detach()
Overrides:
detach in class ECPoint

getZCoord

public ECFieldElement getZCoord(int index)
Overrides:
getZCoord in class ECPoint

add

public ECPoint add(ECPoint b)
Overrides:
add in class ECPoint

twice

public ECPoint twice()
Overrides:
twice in class ECPoint

twicePlus

public ECPoint twicePlus(ECPoint b)
Overrides:
twicePlus in class ECPoint

threeTimes

public ECPoint threeTimes()
Overrides:
threeTimes in class ECPoint

negate

public ECPoint negate()
Overrides:
negate in class ECPoint

calculateJacobianModifiedW

protected Curve25519FieldElement calculateJacobianModifiedW(Curve25519FieldElement Z,
                                                            int[] ZSquared)

getJacobianModifiedW

protected Curve25519FieldElement getJacobianModifiedW()

twiceJacobianModified

protected Curve25519Point twiceJacobianModified(boolean calculateW)

Bouncy Castle Cryptography Library 1.79