Modifier and Type	Class and Description
pack-priv static class	ECOperations.DefaultMultiplier
pack-priv static class	ECOperations.IntermediateValueException
pack-priv static interface	ECOperations.PointMultiplier
pack-priv static class	ECOperations.Secp256R1GeneratorMontgomeryMultiplier

Field Summary

Modifier and Type	Field and Description
pack-priv final ImmutableIntegerModuloP	b
pack-priv static final Map<BigInteger, IntegerFieldModuloP>	fields
pack-priv final SmallValue	four
pack-priv final ProjectivePoint.Immutable	neutral
pack-priv final SmallValue	one
private final IntegerFieldModuloP	orderField
pack-priv static final Map<BigInteger, IntegerFieldModuloP>	orderFields
pack-priv final SmallValue	three
pack-priv final SmallValue	two

Access	Constructor and Description
public	ECOperations(IntegerModuloP b, IntegerFieldModuloP orderField)

Method Summary

Modifier and Type	Method and Description
public static boolean	allZero(byte[] arr)
public boolean	checkOrder(ECPoint point)
public static Optional<ECOperations>	forParameters(ECParameterSpec params)
public IntegerFieldModuloP	getField()
protected ProjectivePoint.Immutable	getNeutral()
public IntegerFieldModuloP	getOrderField()
public boolean	isNeutral(Point p)
public MutablePoint	Returns: the product multiply(AffinePoint the point affineP, byte[] the scalar as a little-endian array s) Multiply an affine point by a scalar and return the result as a mutable point.
public MutablePoint	Returns: the product multiply(ECPoint the point ecPoint, byte[] the scalar as a little-endian array s) Multiply an affine ecpoint point by a scalar and return the result as a mutable point.
pack-priv byte[]	seedToScalar(byte[] seedBytes)
private void	setDouble(ProjectivePoint.Mutable p, MutableIntegerModuloP t0, MutableIntegerModuloP t1, MutableIntegerModuloP t2, MutableIntegerModuloP t3, MutableIntegerModuloP t4)
public void	setSum(MutablePoint first point and result p, MutablePoint second point to add p2) Adds second Mutable (Projective) point to first.
private void	setSum(ProjectivePoint.Mutable p, AffinePoint p2, MutableIntegerModuloP t0, MutableIntegerModuloP t1, MutableIntegerModuloP t2, MutableIntegerModuloP t3, MutableIntegerModuloP t4)
private void	setSum(ProjectivePoint.Mutable p, ProjectivePoint.Mutable p2, MutableIntegerModuloP t0, MutableIntegerModuloP t1, MutableIntegerModuloP t2, MutableIntegerModuloP t3, MutableIntegerModuloP t4)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

b	back to summary
pack-priv final ImmutableIntegerModuloP b

fields	back to summary
pack-priv static final Map<BigInteger, IntegerFieldModuloP> fields

four	back to summary
pack-priv final SmallValue four

neutral	back to summary
pack-priv final ProjectivePoint.Immutable neutral

one	back to summary
pack-priv final SmallValue one

orderField	back to summary
private final IntegerFieldModuloP orderField

orderFields	back to summary
pack-priv static final Map<BigInteger, IntegerFieldModuloP> orderFields

three	back to summary
pack-priv final SmallValue three

two	back to summary
pack-priv final SmallValue two

ECOperations	back to summary
public ECOperations(IntegerModuloP b, IntegerFieldModuloP orderField)

Method Detail

allZero	back to summary
public static boolean allZero(byte[] arr)

checkOrder	back to summary
public boolean checkOrder(ECPoint point)

forParameters	back to summary
public static Optional<ECOperations> forParameters(ECParameterSpec params)

getField	back to summary
public IntegerFieldModuloP getField()

getNeutral	back to summary
protected ProjectivePoint.Immutable getNeutral()

getOrderField	back to summary
public IntegerFieldModuloP getOrderField()

isNeutral	back to summary
public boolean isNeutral(Point p)

multiply	back to summary
public MutablePoint multiply(AffinePoint affineP, byte[] s) Multiply an affine point by a scalar and return the result as a mutable point. Parameters affineP:AffinePoint the point s:byte[] the scalar as a little-endian array Returns:MutablePoint the product

multiply

back to summary

public MutablePoint multiply(AffinePoint affineP, byte[] s)

Multiply an affine point by a scalar and return the result as a mutable point.

Parameters

affineP:AffinePoint: the point
s:byte[]: the scalar as a little-endian array

Returns:MutablePoint

the product

multiply	back to summary
public MutablePoint multiply(ECPoint ecPoint, byte[] s) Multiply an affine ecpoint point by a scalar and return the result as a mutable point. Parameters ecPoint:ECPoint the point s:byte[] the scalar as a little-endian array Returns:MutablePoint the product

multiply

back to summary

public MutablePoint multiply(ECPoint ecPoint, byte[] s)

Multiply an affine ecpoint point by a scalar and return the result as a mutable point.

Parameters

ecPoint:ECPoint: the point
s:byte[]: the scalar as a little-endian array

Returns:MutablePoint

the product

seedToScalar	back to summary
pack-priv byte[] seedToScalar(byte[] seedBytes) throws IntermediateValueException

setDouble	back to summary
private void setDouble(ProjectivePoint.Mutable p, MutableIntegerModuloP t0, MutableIntegerModuloP t1, MutableIntegerModuloP t2, MutableIntegerModuloP t3, MutableIntegerModuloP t4)

setSum	back to summary
public void setSum(MutablePoint p, MutablePoint p2) Adds second Mutable (Projective) point to first. Used by ECDSAOperations. This method constructs new temporaries each time it is called. For better efficiency, the (private) method that reuses temporaries should be used if more than one sum will be computed. Parameters p:MutablePoint first point and result p2:MutablePoint second point to add

setSum

back to summary

public void setSum(MutablePoint p, MutablePoint p2)

Adds second Mutable (Projective) point to first. Used by ECDSAOperations. This method constructs new temporaries each time it is called. For better efficiency, the (private) method that reuses temporaries should be used if more than one sum will be computed.

Parameters

p:MutablePoint: first point and result
p2:MutablePoint: second point to add

setSum	back to summary
private void setSum(ProjectivePoint.Mutable p, AffinePoint p2, MutableIntegerModuloP t0, MutableIntegerModuloP t1, MutableIntegerModuloP t2, MutableIntegerModuloP t3, MutableIntegerModuloP t4)

setSum	back to summary
private void setSum(ProjectivePoint.Mutable p, ProjectivePoint.Mutable p2, MutableIntegerModuloP t0, MutableIntegerModuloP t1, MutableIntegerModuloP t2, MutableIntegerModuloP t3, MutableIntegerModuloP t4)

sun.security.ec back to summary

pack-priv final Class ECOperations.DefaultMultiplier

Class Inheritance

extends Object
implements PointMultiplier

java.lang.Object
sun.security.ec.ECOperations.DefaultMultiplier

All Implemented Interfaces

sun.security.ec.ECOperations.PointMultiplier

Field Summary

Modifier and Type	Field and Description
private final ECOperations	ecOps
private final ProjectivePoint.Immutable[]	pointMultiples

Constructor Summary

Access	Constructor and Description
pack-priv	DefaultMultiplier(ECOperations ecOps, AffinePoint affineP)

Method Summary

Modifier and Type	Method and Description
private void	double4(ProjectivePoint.Mutable p, MutableIntegerModuloP t0, MutableIntegerModuloP t1, MutableIntegerModuloP t2, MutableIntegerModuloP t3, MutableIntegerModuloP t4)
public ProjectivePoint.Mutable	pointMultiply(byte[] s) Implements sun.security.ec.ECOperations.PointMultiplier.pointMultiply.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

ecOps	back to summary
private final ECOperations ecOps

pointMultiples	back to summary
private final ProjectivePoint.Immutable[] pointMultiples

Constructor Detail

DefaultMultiplier	back to summary
pack-priv DefaultMultiplier(ECOperations ecOps, AffinePoint affineP)

Method Detail

double4	back to summary
private void double4(ProjectivePoint.Mutable p, MutableIntegerModuloP t0, MutableIntegerModuloP t1, MutableIntegerModuloP t2, MutableIntegerModuloP t3, MutableIntegerModuloP t4)

pointMultiply	back to summary
public ProjectivePoint.Mutable pointMultiply(byte[] s) Implements sun.security.ec.ECOperations.PointMultiplier.pointMultiply. Annotations @Override

pointMultiply

back to summary

public ProjectivePoint.Mutable pointMultiply(byte[] s)

Implements sun.security.ec.ECOperations.PointMultiplier.pointMultiply.

Annotations

@Override

sun.security.ec back to summary

pack-priv Class ECOperations.IntermediateValueException

Class Inheritance

extends Exception

java.lang.Object
java.lang.Throwable
java.lang.Exception
sun.security.ec.ECOperations.IntermediateValueException

Field Summary

Modifier and Type	Field and Description
private static final long	serialVersionUID Hides java.lang.Exception.serialVersionUID.

Constructor Summary

Access	Constructor and Description
pack-priv	IntermediateValueException()

Field Detail

serialVersionUID	back to summary
private static final long serialVersionUID Hides java.lang.Exception.serialVersionUID.

Constructor Detail

IntermediateValueException	back to summary
pack-priv IntermediateValueException()

sun.security.ec back to summary

pack-priv sealed Interface ECOperations.PointMultiplier

Known Direct Implementers: sun.security.ec.ECOperations.DefaultMultiplier, sun.security.ec.ECOperations.Secp256R1GeneratorMontgomeryMultiplier

Method Summary

Modifier and Type	Method and Description
private static void	lookup(ProjectivePoint.Immutable[] ips, int index, ProjectivePoint.Mutable result)
public ProjectivePoint.Mutable	pointMultiply(byte[] scalar)

Method Detail

lookup	back to summary
private static void lookup(ProjectivePoint.Immutable[] ips, int index, ProjectivePoint.Mutable result)

pointMultiply	back to summary
public ProjectivePoint.Mutable pointMultiply(byte[] scalar)

sun.security.ec back to summary

pack-priv final Class ECOperations.Secp256R1GeneratorMontgomeryMultiplier

Class Inheritance

extends Object
implements PointMultiplier

java.lang.Object
sun.security.ec.ECOperations.Secp256R1GeneratorMontgomeryMultiplier

All Implemented Interfaces

sun.security.ec.ECOperations.PointMultiplier

Field Summary

Modifier and Type	Field and Description
private final BigInteger[]	base
public static final AffinePoint	generator
public static final ECOperations.PointMultiplier	multiplier
private final ImmutableIntegerModuloP	one
private final ProjectivePoint.Immutable[][]	points
private static final ECOperations	secp256r1Ops
private final ImmutableIntegerModuloP	zero

Constructor Summary

Access	Constructor and Description
private	Secp256R1GeneratorMontgomeryMultiplier()
private	Secp256R1GeneratorMontgomeryMultiplier(IntegerFieldModuloP field, ECOperations.PointMultiplier smallTableMultiplier)

Method Summary

Modifier and Type	Method and Description
private static int	bit(byte[] k, int i)
public ProjectivePoint.Mutable	pointMultiply(byte[] s) Implements sun.security.ec.ECOperations.PointMultiplier.pointMultiply.
protected void	verifyTables(ECOperations.PointMultiplier multiplier)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

base	back to summary
private final BigInteger[] base

generator	back to summary
public static final AffinePoint generator

multiplier	back to summary
public static final ECOperations.PointMultiplier multiplier

one	back to summary
private final ImmutableIntegerModuloP one

points	back to summary
private final ProjectivePoint.Immutable[][] points

secp256r1Ops	back to summary
private static final ECOperations secp256r1Ops

zero	back to summary
private final ImmutableIntegerModuloP zero

Constructor Detail

Secp256R1GeneratorMontgomeryMultiplier	back to summary
private Secp256R1GeneratorMontgomeryMultiplier()

Secp256R1GeneratorMontgomeryMultiplier	back to summary
private Secp256R1GeneratorMontgomeryMultiplier(IntegerFieldModuloP field, ECOperations.PointMultiplier smallTableMultiplier)

Method Detail

bit	back to summary
private static int bit(byte[] k, int i)

pointMultiply	back to summary
public ProjectivePoint.Mutable pointMultiply(byte[] s) Implements sun.security.ec.ECOperations.PointMultiplier.pointMultiply.

verifyTables	back to summary
protected void verifyTables(ECOperations.PointMultiplier multiplier)

public Class ECOperations

Nested and Inner Type Summary

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail

pack-priv final Class ECOperations.DefaultMultiplier

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail

pack-priv Class ECOperations.IntermediateValueException

Field Summary

Constructor Summary

Field Detail

Constructor Detail

pack-priv sealed Interface ECOperations.PointMultiplier

Method Summary

Method Detail

pack-priv final Class ECOperations.Secp256R1GeneratorMontgomeryMultiplier

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail