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 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

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

Method Summary

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

ECCurve.Fp

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

Deprecated. use constructor taking order/cofactor

ECCurve.Fp

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

ECCurve.Fp

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

ECCurve.Fp

protected ECCurve.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()

Overrides:

getQ in class ECCurve.AbstractFp

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