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org.bouncycastle.math.ec.custom.sec

public Class SecT409R1Curve

extends AbstractF2m
Class Inheritance
Imports
java.math.BigInteger, org.bouncycastle.math.ec.ECCurve, .ECCurve.AbstractF2m, .ECFieldElement, .ECLookupTable, .ECPoint, org.bouncycastle.math.internal.Nat448, org.bouncycastle.util.encoders.Hex

Field Summary

Modifier and TypeField and Description
protected SecT409R1Point
infinity

private static final int
SecT409R1_DEFAULT_COORDS

Constructor Summary

AccessConstructor and Description
public
SecT409R1Curve()

Method Summary

Modifier and TypeMethod and Description
protected ECCurve
cloneCurve()

Implements abstract org.bouncycastle.math.ec.ECCurve.cloneCurve.

public ECLookupTable
createCacheSafeLookupTable(ECPoint[] points, int off, final int len)

Overrides org.bouncycastle.math.ec.ECCurve.createCacheSafeLookupTable.

Create a cache-safe lookup table for the specified sequence of points.
protected ECPoint
createRawPoint(ECFieldElement x, ECFieldElement y)

Implements abstract org.bouncycastle.math.ec.ECCurve.createRawPoint.

protected ECPoint
createRawPoint(ECFieldElement x, ECFieldElement y, ECFieldElement[] zs)

Implements abstract org.bouncycastle.math.ec.ECCurve.createRawPoint.

public ECFieldElement
fromBigInteger(BigInteger x)

Implements abstract org.bouncycastle.math.ec.ECCurve.fromBigInteger.

public int
getFieldSize()

Implements abstract org.bouncycastle.math.ec.ECCurve.getFieldSize.

public ECPoint
getInfinity()

Implements abstract org.bouncycastle.math.ec.ECCurve.getInfinity.

public int
getK1()

public int
getK2()

public int
getK3()

public int
getM()

public boolean
isKoblitz()

Overrides org.bouncycastle.math.ec.ECCurve.AbstractF2m.isKoblitz.

Returns true if this is a Koblitz curve (ABC curve).
public boolean
isTrinomial()

public boolean
supportsCoordinateSystem(int coord)

Overrides org.bouncycastle.math.ec.ECCurve.supportsCoordinateSystem.

Inherited from org.bouncycastle.math.ec.ECCurve.AbstractF2m:
createPointdecompressPointinverseisValidFieldElementrandomFieldElementMultsolveQuadraticEquation

Field Detail

infinityback to summary
protected SecT409R1Point infinity
SecT409R1_DEFAULT_COORDSback to summary
private static final int SecT409R1_DEFAULT_COORDS

Constructor Detail

SecT409R1Curveback to summary
public SecT409R1Curve()

Method Detail

cloneCurveback to summary
protected ECCurve cloneCurve()

Implements abstract org.bouncycastle.math.ec.ECCurve.cloneCurve.

createCacheSafeLookupTableback to summary
public ECLookupTable createCacheSafeLookupTable(ECPoint[] points, int off, final int len)

Overrides org.bouncycastle.math.ec.ECCurve.createCacheSafeLookupTable.

Doc from org.bouncycastle.math.ec.ECCurve.createCacheSafeLookupTable.

Create a cache-safe lookup table for the specified sequence of points. All the points MUST belong to this ECCurve instance, and MUST already be normalized.

createRawPointback to summary
protected ECPoint createRawPoint(ECFieldElement x, ECFieldElement y)

Implements abstract org.bouncycastle.math.ec.ECCurve.createRawPoint.

createRawPointback to summary
protected ECPoint createRawPoint(ECFieldElement x, ECFieldElement y, ECFieldElement[] zs)

Implements abstract org.bouncycastle.math.ec.ECCurve.createRawPoint.

fromBigIntegerback to summary
public ECFieldElement fromBigInteger(BigInteger x)

Implements abstract org.bouncycastle.math.ec.ECCurve.fromBigInteger.

getFieldSizeback to summary
public int getFieldSize()

Implements abstract org.bouncycastle.math.ec.ECCurve.getFieldSize.

getInfinityback to summary
public ECPoint getInfinity()

Implements abstract org.bouncycastle.math.ec.ECCurve.getInfinity.

getK1back to summary
public int getK1()
getK2back to summary
public int getK2()
getK3back to summary
public int getK3()
getMback to summary
public int getM()
isKoblitzback to summary
public boolean isKoblitz()

Overrides org.bouncycastle.math.ec.ECCurve.AbstractF2m.isKoblitz.

Doc from org.bouncycastle.math.ec.ECCurve.AbstractF2m.isKoblitz.

Returns true if this is a Koblitz curve (ABC curve).

Returns:boolean

true if this is a Koblitz curve (ABC curve), false otherwise

isTrinomialback to summary
public boolean isTrinomial()
supportsCoordinateSystemback to summary
public boolean supportsCoordinateSystem(int coord)

Overrides org.bouncycastle.math.ec.ECCurve.supportsCoordinateSystem.