Package org.bouncycastle.math.ec.custom.sec

Class SecT131R2Curve

java.lang.Object

org.bouncycastle.math.ec.ECCurve

org.bouncycastle.math.ec.ECCurve.AbstractF2m

org.bouncycastle.math.ec.custom.sec.SecT131R2Curve

public class SecT131R2Curve
extends ECCurve.AbstractF2m

Nested Class Summary

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

ECCurve.AbstractF2m, ECCurve.AbstractFp, ECCurve.Config, ECCurve.F2m, ECCurve.Fp

Field Summary

Fields

Modifier and Type	Field	Description
protected SecT131R2Point	infinity

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

a, b, cofactor, coord, COORD_AFFINE, COORD_HOMOGENEOUS, COORD_JACOBIAN, COORD_JACOBIAN_CHUDNOVSKY, COORD_JACOBIAN_MODIFIED, COORD_LAMBDA_AFFINE, COORD_LAMBDA_PROJECTIVE, COORD_SKEWED, endomorphism, field, multiplier, order

Constructor Summary

Constructors

Constructor	Description
SecT131R2Curve()

Method Summary

Modifier and Type	Method	Description
protected ECCurve	cloneCurve()
ECLookupTable	createCacheSafeLookupTable(ECPoint[] points, int off, int len)	Create a cache-safe lookup table for the specified sequence of points.
protected ECPoint	createRawPoint(ECFieldElement x, ECFieldElement y)
protected ECPoint	createRawPoint(ECFieldElement x, ECFieldElement y, ECFieldElement[] zs)
ECFieldElement	fromBigInteger(BigInteger x)
int	getFieldSize()
ECPoint	getInfinity()
int	getK1()
int	getK2()
int	getK3()
int	getM()
boolean	isKoblitz()	Returns true if this is a Koblitz curve (ABC curve).
boolean	isTrinomial()
boolean	supportsCoordinateSystem(int coord)

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

createPoint, decompressPoint, inverse, isValidFieldElement, randomFieldElement, randomFieldElementMult, solveQuadraticEquation

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

checkPoint, checkPoints, checkPoints, configure, createDefaultMultiplier, decodePoint, equals, equals, getA, getAllCoordinateSystems, getB, getCofactor, getCoordinateSystem, getEndomorphism, getField, getMultiplier, getOrder, getPreCompInfo, hashCode, importPoint, normalizeAll, normalizeAll, precompute, validatePoint

Methods inherited from class java.lang.Object

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

Field Details

infinity

protected SecT131R2Point infinity

Constructor Details

SecT131R2Curve

public SecT131R2Curve()

Method Details

cloneCurve

protected ECCurve cloneCurve()

Specified by:

cloneCurve in class ECCurve

supportsCoordinateSystem

public boolean supportsCoordinateSystem(int coord)

Overrides:

supportsCoordinateSystem in class ECCurve

getFieldSize

public int getFieldSize()

Specified by:

getFieldSize in class ECCurve

fromBigInteger

public ECFieldElement fromBigInteger(BigInteger x)

Specified by:

fromBigInteger in class ECCurve

createRawPoint

protected ECPoint createRawPoint(ECFieldElement x,
 ECFieldElement y)

Specified by:

createRawPoint in class ECCurve

createRawPoint

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

Specified by:

createRawPoint in class ECCurve

getInfinity

public ECPoint getInfinity()

Specified by:

getInfinity in class ECCurve

isKoblitz

public boolean isKoblitz()

Description copied from class: ECCurve.AbstractF2m

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

Overrides:

isKoblitz in class ECCurve.AbstractF2m

Returns:

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

getM

public int getM()

isTrinomial

public boolean isTrinomial()

getK1

public int getK1()

getK2

public int getK2()

getK3

public int getK3()

createCacheSafeLookupTable

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

Description copied from class: ECCurve

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.

Overrides:

createCacheSafeLookupTable in class ECCurve