Class SecT163R2Curve
- java.lang.Object
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- org.bouncycastle.math.ec.ECCurve
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- org.bouncycastle.math.ec.ECCurve.AbstractF2m
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- org.bouncycastle.math.ec.custom.sec.SecT163R2Curve
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public class SecT163R2Curve extends ECCurve.AbstractF2m
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Nested Class Summary
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Nested classes/interfaces inherited from class org.bouncycastle.math.ec.ECCurve
ECCurve.AbstractF2m, ECCurve.AbstractFp, ECCurve.Config, ECCurve.F2m, ECCurve.Fp
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Field Summary
Fields Modifier and Type Field Description protected SecT163R2Point
infinity
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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
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Constructor Summary
Constructors Constructor Description SecT163R2Curve()
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Method Summary
All Methods Instance Methods Concrete Methods 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(java.math.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)
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Methods inherited from class org.bouncycastle.math.ec.ECCurve.AbstractF2m
createPoint, decompressPoint, inverse, isValidFieldElement, randomFieldElement, randomFieldElementMult, solveQuadraticEquation
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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
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Field Detail
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infinity
protected SecT163R2Point infinity
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Method Detail
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cloneCurve
protected ECCurve cloneCurve()
- Specified by:
cloneCurve
in classECCurve
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supportsCoordinateSystem
public boolean supportsCoordinateSystem(int coord)
- Overrides:
supportsCoordinateSystem
in classECCurve
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getFieldSize
public int getFieldSize()
- Specified by:
getFieldSize
in classECCurve
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fromBigInteger
public ECFieldElement fromBigInteger(java.math.BigInteger x)
- Specified by:
fromBigInteger
in classECCurve
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createRawPoint
protected ECPoint createRawPoint(ECFieldElement x, ECFieldElement y)
- Specified by:
createRawPoint
in classECCurve
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createRawPoint
protected ECPoint createRawPoint(ECFieldElement x, ECFieldElement y, ECFieldElement[] zs)
- Specified by:
createRawPoint
in classECCurve
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getInfinity
public ECPoint getInfinity()
- Specified by:
getInfinity
in classECCurve
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isKoblitz
public boolean isKoblitz()
Description copied from class:ECCurve.AbstractF2m
Returns true if this is a Koblitz curve (ABC curve).- Overrides:
isKoblitz
in classECCurve.AbstractF2m
- Returns:
- true if this is a Koblitz curve (ABC curve), false otherwise
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getM
public int getM()
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isTrinomial
public boolean isTrinomial()
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getK1
public int getK1()
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getK2
public int getK2()
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getK3
public int getK3()
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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 thisECCurve
instance, and MUST already be normalized.- Overrides:
createCacheSafeLookupTable
in classECCurve
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