Class SecP521R1Curve
- java.lang.Object
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- org.bouncycastle.math.ec.ECCurve
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- org.bouncycastle.math.ec.ECCurve.AbstractFp
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- org.bouncycastle.math.ec.custom.sec.SecP521R1Curve
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public class SecP521R1Curve extends ECCurve.AbstractFp
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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 SecP521R1Point
infinity
static java.math.BigInteger
q
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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 SecP521R1Curve()
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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()
java.math.BigInteger
getQ()
ECFieldElement
randomFieldElement(java.security.SecureRandom r)
ECFieldElement
randomFieldElementMult(java.security.SecureRandom r)
boolean
supportsCoordinateSystem(int coord)
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Methods inherited from class org.bouncycastle.math.ec.ECCurve.AbstractFp
decompressPoint, isValidFieldElement
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Methods inherited from class org.bouncycastle.math.ec.ECCurve
checkPoint, checkPoints, checkPoints, configure, createDefaultMultiplier, createPoint, 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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q
public static final java.math.BigInteger q
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infinity
protected SecP521R1Point 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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getQ
public java.math.BigInteger getQ()
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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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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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randomFieldElement
public ECFieldElement randomFieldElement(java.security.SecureRandom r)
- Overrides:
randomFieldElement
in classECCurve.AbstractFp
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randomFieldElementMult
public ECFieldElement randomFieldElementMult(java.security.SecureRandom r)
- Overrides:
randomFieldElementMult
in classECCurve.AbstractFp
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