org.bouncycastle.math.ec
Class ECCurve.AbstractFp

java.lang.Object
  |
  +--org.bouncycastle.math.ec.ECCurve
        |
        +--org.bouncycastle.math.ec.ECCurve.AbstractFp

Direct Known Subclasses:

Curve25519, ECCurve.Fp, SecP128R1Curve, SecP160K1Curve, SecP160R1Curve, SecP160R2Curve, SecP192K1Curve, SecP192R1Curve, SecP224K1Curve, SecP224R1Curve, SecP256K1Curve, SecP256R1Curve, SecP384R1Curve, SecP521R1Curve, SM2P256V1Curve

Enclosing class:

ECCurve

public abstract static class ECCurve.AbstractFp

extends ECCurve

Inner classes inherited from class org.bouncycastle.math.ec.ECCurve

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

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

protected

ECCurve.AbstractFp(java.math.BigInteger q)

Method Summary

protected ECPoint	decompressPoint(int yTilde, java.math.BigInteger X1)
boolean	isValidFieldElement(java.math.BigInteger x)
ECFieldElement	randomFieldElement(java.security.SecureRandom r)
ECFieldElement	randomFieldElementMult(java.security.SecureRandom r)

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

checkPoint, checkPoints, checkPoints, cloneCurve, configure, createCacheSafeLookupTable, createDefaultMultiplier, createPoint, createRawPoint, createRawPoint, decodePoint, equals, equals, fromBigInteger, getA, getAffinePointEncodingLength, getAllCoordinateSystems, getB, getCofactor, getCoordinateSystem, getEndomorphism, getField, getFieldElementEncodingLength, getFieldSize, getInfinity, getMultiplier, getOrder, getPreCompInfo, hashCode, importPoint, normalizeAll, normalizeAll, precompute, supportsCoordinateSystem, validatePoint

Methods inherited from class java.lang.Object

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

Constructor Detail

ECCurve.AbstractFp

protected ECCurve.AbstractFp(java.math.BigInteger q)

Method Detail

isValidFieldElement

public boolean isValidFieldElement(java.math.BigInteger x)

Overrides:

isValidFieldElement in class ECCurve

randomFieldElement

public ECFieldElement randomFieldElement(java.security.SecureRandom r)

Overrides:

randomFieldElement in class ECCurve

randomFieldElementMult

public ECFieldElement randomFieldElementMult(java.security.SecureRandom r)

Overrides:

randomFieldElementMult in class ECCurve

decompressPoint

protected ECPoint decompressPoint(int yTilde,
                                  java.math.BigInteger X1)

Overrides:

decompressPoint in class ECCurve