org.bouncycastle.math.ec
Class ECPoint.Fp
java.lang.Object
org.bouncycastle.math.ec.ECPoint
org.bouncycastle.math.ec.ECPoint.AbstractFp
org.bouncycastle.math.ec.ECPoint.Fp
- Enclosing class:
- ECPoint
public static class ECPoint.Fp
- extends ECPoint.AbstractFp
Elliptic curve points over Fp
Methods inherited from class org.bouncycastle.math.ec.ECPoint |
checkNormalized, createScaledPoint, equals, equals, getAffineXCoord, getAffineYCoord, getCurve, getCurveCoordinateSystem, getDetachedPoint, getEncoded, getEncoded, getInitialZCoords, getRawXCoord, getRawYCoord, getRawZCoords, getX, getXCoord, getY, getYCoord, getZCoords, hashCode, isCompressed, isInfinity, isNormalized, isValid, multiply, normalize, satisfiesCofactor, scaleX, scaleY, toString |
Methods inherited from class java.lang.Object |
clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
ECPoint.Fp
public ECPoint.Fp(ECCurve curve,
ECFieldElement x,
ECFieldElement y)
- Deprecated. Use ECCurve.createPoint to construct points
- Create a point which encodes without point compression.
- Parameters:
curve
- the curve to usex
- affine x co-ordinatey
- affine y co-ordinate
ECPoint.Fp
public ECPoint.Fp(ECCurve curve,
ECFieldElement x,
ECFieldElement y,
boolean withCompression)
- Deprecated. per-point compression property will be removed, refer
ECPoint.getEncoded(boolean)
- Create a point that encodes with or without point compression.
- Parameters:
curve
- the curve to usex
- affine x co-ordinatey
- affine y co-ordinatewithCompression
- if true encode with point compression
detach
protected ECPoint detach()
- Specified by:
detach
in class ECPoint
getZCoord
public ECFieldElement getZCoord(int index)
- Overrides:
getZCoord
in class ECPoint
add
public ECPoint add(ECPoint b)
- Specified by:
add
in class ECPoint
twice
public ECPoint twice()
- Specified by:
twice
in class ECPoint
twicePlus
public ECPoint twicePlus(ECPoint b)
- Overrides:
twicePlus
in class ECPoint
threeTimes
public ECPoint threeTimes()
- Overrides:
threeTimes
in class ECPoint
timesPow2
public ECPoint timesPow2(int e)
- Overrides:
timesPow2
in class ECPoint
two
protected ECFieldElement two(ECFieldElement x)
three
protected ECFieldElement three(ECFieldElement x)
four
protected ECFieldElement four(ECFieldElement x)
eight
protected ECFieldElement eight(ECFieldElement x)
doubleProductFromSquares
protected ECFieldElement doubleProductFromSquares(ECFieldElement a,
ECFieldElement b,
ECFieldElement aSquared,
ECFieldElement bSquared)
negate
public ECPoint negate()
- Specified by:
negate
in class ECPoint
calculateJacobianModifiedW
protected ECFieldElement calculateJacobianModifiedW(ECFieldElement Z,
ECFieldElement ZSquared)
getJacobianModifiedW
protected ECFieldElement getJacobianModifiedW()
twiceJacobianModified
protected ECPoint.Fp twiceJacobianModified(boolean calculateW)