Class ECCurve

Namespace

Enterprises.Org.BouncyCastle.Math.EC

Assembly

Enterprises.BouncyCastle.Crypto.dll

public abstract class ECCurve

Inheritance

object

ECCurve

Derived

AbstractF2mCurve

AbstractFpCurve

Inherited Members

object.GetType()

object.MemberwiseClone()

object.ToString()

object.Equals(object, object)

object.ReferenceEquals(object, object)

Constructors

ECCurve(IFiniteField)

protected ECCurve(IFiniteField field)

Parameters

field IFiniteField

Fields

COORD_AFFINE

public const int COORD_AFFINE = 0

Field Value

int

COORD_HOMOGENEOUS

public const int COORD_HOMOGENEOUS = 1

Field Value

int

COORD_JACOBIAN

public const int COORD_JACOBIAN = 2

Field Value

int

COORD_JACOBIAN_CHUDNOVSKY

public const int COORD_JACOBIAN_CHUDNOVSKY = 3

Field Value

int

COORD_JACOBIAN_MODIFIED

public const int COORD_JACOBIAN_MODIFIED = 4

Field Value

int

COORD_LAMBDA_AFFINE

public const int COORD_LAMBDA_AFFINE = 5

Field Value

int

COORD_LAMBDA_PROJECTIVE

public const int COORD_LAMBDA_PROJECTIVE = 6

Field Value

int

COORD_SKEWED

public const int COORD_SKEWED = 7

Field Value

int

m_a

protected ECFieldElement m_a

Field Value

ECFieldElement

m_b

protected ECFieldElement m_b

Field Value

ECFieldElement

m_cofactor

protected BigInteger m_cofactor

Field Value

BigInteger

m_coord

protected int m_coord

Field Value

int

m_endomorphism

protected IECEndomorphism m_endomorphism

Field Value

IECEndomorphism

m_field

protected readonly IFiniteField m_field

Field Value

IFiniteField

m_multiplier

protected IECMultiplier m_multiplier

Field Value

IECMultiplier

m_order

protected BigInteger m_order

Field Value

BigInteger

Properties

A

public virtual ECFieldElement A { get; }

Property Value

ECFieldElement

B

public virtual ECFieldElement B { get; }

Property Value

ECFieldElement

Cofactor

public virtual BigInteger Cofactor { get; }

Property Value

BigInteger

CoordinateSystem

public virtual int CoordinateSystem { get; }

Property Value

int

Field

public virtual IFiniteField Field { get; }

Property Value

IFiniteField

FieldSize

public abstract int FieldSize { get; }

Property Value

int

Infinity

public abstract ECPoint Infinity { get; }

Property Value

ECPoint

Order

public virtual BigInteger Order { get; }

Property Value

BigInteger

Methods

CheckPoint(ECPoint)

protected virtual void CheckPoint(ECPoint point)

Parameters

point ECPoint

CheckPoints(ECPoint[])

protected virtual void CheckPoints(ECPoint[] points)

Parameters

points ECPoint[]

CheckPoints(ECPoint[], int, int)

protected virtual void CheckPoints(ECPoint[] points, int off, int len)

Parameters

points ECPoint[]

off int

len int

CloneCurve()

protected abstract ECCurve CloneCurve()

Returns

ECCurve

Configure()

public virtual ECCurve.Config Configure()

Returns

ECCurve.Config

CreateCacheSafeLookupTable(ECPoint[], int, int)

public virtual IECLookupTable CreateCacheSafeLookupTable(ECPoint[] points, int off, int len)

Parameters

points ECPoint[]

off int

len int

Returns

IECLookupTable

CreateDefaultMultiplier()

protected virtual IECMultiplier CreateDefaultMultiplier()

Returns

IECMultiplier

CreatePoint(BigInteger, BigInteger)

public virtual ECPoint CreatePoint(BigInteger x, BigInteger y)

Parameters

x BigInteger

y BigInteger

Returns

ECPoint

CreatePoint(BigInteger, BigInteger, bool)

[Obsolete("Per-point compression property will be removed")]
public virtual ECPoint CreatePoint(BigInteger x, BigInteger y, bool withCompression)

Parameters

x BigInteger

y BigInteger

withCompression bool

Returns

ECPoint

CreateRawPoint(ECFieldElement, ECFieldElement, ECFieldElement[], bool)

protected abstract ECPoint CreateRawPoint(ECFieldElement x, ECFieldElement y, ECFieldElement[] zs, bool withCompression)

Parameters

x ECFieldElement

y ECFieldElement

zs ECFieldElement[]

withCompression bool

Returns

ECPoint

CreateRawPoint(ECFieldElement, ECFieldElement, bool)

protected abstract ECPoint CreateRawPoint(ECFieldElement x, ECFieldElement y, bool withCompression)

Parameters

x ECFieldElement

y ECFieldElement

withCompression bool

Returns

ECPoint

DecodePoint(byte[])

public virtual ECPoint DecodePoint(byte[] encoded)

Parameters

encoded byte[]

Returns

ECPoint

DecompressPoint(int, BigInteger)

protected abstract ECPoint DecompressPoint(int yTilde, BigInteger X1)

Parameters

yTilde int

X1 BigInteger

Returns

ECPoint

Equals(ECCurve)

public virtual bool Equals(ECCurve other)

Parameters

other ECCurve

Returns

bool

Equals(object)

public override bool Equals(object obj)

Parameters

obj object

Returns

bool

FromBigInteger(BigInteger)

public abstract ECFieldElement FromBigInteger(BigInteger x)

Parameters

x BigInteger

Returns

ECFieldElement

GetAllCoordinateSystems()

public static int[] GetAllCoordinateSystems()

Returns

int[]

GetEndomorphism()

public virtual IECEndomorphism GetEndomorphism()

Returns

IECEndomorphism

GetHashCode()

public override int GetHashCode()

Returns

int

GetMultiplier()

public virtual IECMultiplier GetMultiplier()

Returns

IECMultiplier

GetPreCompInfo(ECPoint, string)

public virtual IPreCompInfo GetPreCompInfo(ECPoint point, string name)

Parameters

point ECPoint

name string

Returns

IPreCompInfo

ImportPoint(ECPoint)

public virtual ECPoint ImportPoint(ECPoint p)

Parameters

p ECPoint

Returns

ECPoint

IsValidFieldElement(BigInteger)

public abstract bool IsValidFieldElement(BigInteger x)

Parameters

x BigInteger

Returns

bool

NormalizeAll(ECPoint[])

public virtual void NormalizeAll(ECPoint[] points)

Parameters

points ECPoint[]

NormalizeAll(ECPoint[], int, int, ECFieldElement)

public virtual void NormalizeAll(ECPoint[] points, int off, int len, ECFieldElement iso)

Parameters

points ECPoint[]

off int

len int

iso ECFieldElement

Precompute(ECPoint, string, IPreCompCallback)

public virtual IPreCompInfo Precompute(ECPoint point, string name, IPreCompCallback callback)

Parameters

point ECPoint

name string

callback IPreCompCallback

Returns

IPreCompInfo

SupportsCoordinateSystem(int)

public virtual bool SupportsCoordinateSystem(int coord)

Parameters

coord int

Returns

bool

ValidatePoint(BigInteger, BigInteger)

public virtual ECPoint ValidatePoint(BigInteger x, BigInteger y)

Parameters

x BigInteger

y BigInteger

Returns

ECPoint

ValidatePoint(BigInteger, BigInteger, bool)

[Obsolete("Per-point compression property will be removed")]
public virtual ECPoint ValidatePoint(BigInteger x, BigInteger y, bool withCompression)

Parameters

x BigInteger

y BigInteger

withCompression bool

Returns

ECPoint