java.lang.Object
- org.bouncycastle.math.ec.ECPoint
- - org.bouncycastle.math.ec.ECPoint.AbstractF2m
  - - org.bouncycastle.math.ec.ECPoint.F2m

Enclosing class:: ECPoint

public static class ECPoint.F2m
extends ECPoint.AbstractF2m

Elliptic curve points over F2m

Nested Class Summary
- Nested classes/interfaces inherited from class org.bouncycastle.math.ec.ECPoint
  ECPoint.AbstractF2m, ECPoint.AbstractFp, ECPoint.F2m, ECPoint.Fp

Field Summary
- Fields inherited from class org.bouncycastle.math.ec.ECPoint
  curve, EMPTY_ZS, preCompTable, withCompression, x, y, zs

Constructor Summary

Constructors
Constructor	Description
`F2m(ECCurve curve, ECFieldElement x, ECFieldElement y)`	Deprecated. Use ECCurve.createPoint to construct points
`F2m(ECCurve curve, ECFieldElement x, ECFieldElement y, boolean withCompression)`	Deprecated. per-point compression property will be removed, refer `ECPoint.getEncoded(boolean)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`ECPoint`	`add(ECPoint b)`
`protected ECPoint`	`detach()`
`protected boolean`	`getCompressionYTilde()`
`ECFieldElement`	`getYCoord()`	Returns the y-coordinate.
`ECPoint`	`negate()`
`ECPoint`	`twice()`
`ECPoint`	`twicePlus(ECPoint b)`

Methods inherited from class org.bouncycastle.math.ec.ECPoint.AbstractF2m
satisfiesCurveEquation, scaleX, scaleY, subtract, tau, tauPow

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, getZCoord, getZCoords, hashCode, isCompressed, isInfinity, isNormalized, isValid, multiply, normalize, satisfiesCofactor, threeTimes, timesPow2, toString

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - F2m
```
public F2m(ECCurve curve,
           ECFieldElement x,
           ECFieldElement y)
```
    Deprecated.
    Use ECCurve.createPoint to construct points
    
    Parameters:
    
    curve - base curve
    
    x - x point
    
    y - y point
  - F2m
```
public F2m(ECCurve curve,
           ECFieldElement x,
           ECFieldElement y,
           boolean withCompression)
```
    Deprecated.
    per-point compression property will be removed, refer ECPoint.getEncoded(boolean)
    
    Parameters:
    
    curve - base curve
    
    x - x point
    
    y - y point
    
    withCompression - true if encode with point compression.
- Method Detail
  - detach
```
protected ECPoint detach()
```
    Specified by:
    
    detach in class ECPoint
  - getYCoord
```
public ECFieldElement getYCoord()
```
    Description copied from class: ECPoint
    
    Returns the y-coordinate. Caution: depending on the curve's coordinate system, this may not be the same value as in an affine coordinate system; use normalize() to get a point where the coordinates have their affine values, or use getAffineYCoord() if you expect the point to already have been normalized.
    
    Overrides:
    
    getYCoord in class ECPoint
    
    Returns:
    
    the y-coordinate of this point
  - getCompressionYTilde
```
protected boolean getCompressionYTilde()
```
    Specified by:
    
    getCompressionYTilde 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
  - negate
```
public ECPoint negate()
```
    Specified by:
    
    negate in class ECPoint

Class ECPoint.F2m

Nested Class Summary

Nested classes/interfaces inherited from class org.bouncycastle.math.ec.ECPoint

Field Summary

Fields inherited from class org.bouncycastle.math.ec.ECPoint

Constructor Summary

Method Summary

Methods inherited from class org.bouncycastle.math.ec.ECPoint.AbstractF2m

Methods inherited from class org.bouncycastle.math.ec.ECPoint

Methods inherited from class java.lang.Object

Constructor Detail

F2m

F2m

Method Detail

detach

getYCoord

getCompressionYTilde

add

twice

twicePlus

negate