Package org.bouncycastle.math.ec

Class ECCurve.Fp

java.lang.Object

org.bouncycastle.math.ec.ECCurve

org.bouncycastle.math.ec.ECCurve.AbstractFp

org.bouncycastle.math.ec.ECCurve.Fp

Enclosing class:

ECCurve

public static class ECCurve.Fp
extends ECCurve.AbstractFp

Elliptic curve over Fp

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 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

Modifier	Constructor	Description
	Fp(java.math.BigInteger q, java.math.BigInteger a, java.math.BigInteger b)	Deprecated. use constructor taking order/cofactor
	Fp(java.math.BigInteger q, java.math.BigInteger a, java.math.BigInteger b, java.math.BigInteger order, java.math.BigInteger cofactor)
	Fp(java.math.BigInteger q, java.math.BigInteger a, java.math.BigInteger b, java.math.BigInteger order, java.math.BigInteger cofactor, boolean isInternal)
protected	Fp(java.math.BigInteger q, java.math.BigInteger r, ECFieldElement a, ECFieldElement b, java.math.BigInteger order, java.math.BigInteger cofactor)

Method Summary

Modifier and Type	Method	Description
protected ECCurve	cloneCurve()
protected ECPoint	createRawPoint(ECFieldElement x, ECFieldElement y)
protected ECPoint	createRawPoint(ECFieldElement x, ECFieldElement y, ECFieldElement[] zs)
ECFieldElement	fromBigInteger(java.math.BigInteger x)
int	getFieldSize()
ECPoint	getInfinity()
java.math.BigInteger	getQ()
ECPoint	importPoint(ECPoint p)
boolean	supportsCoordinateSystem(int coord)

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

decompressPoint, isValidFieldElement, randomFieldElement, randomFieldElementMult

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

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

Methods inherited from class java.lang.Object

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

Constructor Detail

Fp

public Fp(java.math.BigInteger q,
          java.math.BigInteger a,
          java.math.BigInteger b)

Deprecated.

use constructor taking order/cofactor

Fp

public Fp(java.math.BigInteger q,
          java.math.BigInteger a,
          java.math.BigInteger b,
          java.math.BigInteger order,
          java.math.BigInteger cofactor)

Fp

public Fp(java.math.BigInteger q,
          java.math.BigInteger a,
          java.math.BigInteger b,
          java.math.BigInteger order,
          java.math.BigInteger cofactor,
          boolean isInternal)

Fp

protected Fp(java.math.BigInteger q,
             java.math.BigInteger r,
             ECFieldElement a,
             ECFieldElement b,
             java.math.BigInteger order,
             java.math.BigInteger cofactor)

Method Detail

cloneCurve

protected ECCurve cloneCurve()

Specified by:

cloneCurve in class ECCurve

supportsCoordinateSystem

public boolean supportsCoordinateSystem(int coord)

Overrides:

supportsCoordinateSystem in class ECCurve

getQ

public java.math.BigInteger getQ()

getFieldSize

public int getFieldSize()

Specified by:

getFieldSize in class ECCurve

fromBigInteger

public ECFieldElement fromBigInteger(java.math.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

importPoint

public ECPoint importPoint(ECPoint p)

Overrides:

importPoint in class ECCurve

getInfinity

public ECPoint getInfinity()

Specified by:

getInfinity in class ECCurve