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

Enclosing class:

ECCurve

public abstract static class ECCurve.AbstractFp
extends ECCurve

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

Method Summary

Methods

Modifier and Type	Method and Description
protected ECPoint	decompressPoint(int yTilde, java.math.BigInteger X1)
boolean	isValidFieldElement(java.math.BigInteger x)

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

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

Specified by:

isValidFieldElement in class ECCurve

decompressPoint

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

Specified by:

decompressPoint in class ECCurve