Class X25519

Namespace

Org.BouncyCastle.Math.EC.Rfc7748

Assembly

BouncyCastle.Cryptography.dll

public static class X25519

Inheritance

object

X25519

Inherited Members

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Fields

PointSize

public const int PointSize = 32

Field Value

int

ScalarSize

public const int ScalarSize = 32

Field Value

int

Methods

CalculateAgreement(byte[], int, byte[], int, byte[], int)

public static bool CalculateAgreement(byte[] k, int kOff, byte[] u, int uOff, byte[] r, int rOff)

Parameters

k byte[]

kOff int

u byte[]

uOff int

r byte[]

rOff int

Returns

bool

CalculateAgreement(ReadOnlySpan<byte>, ReadOnlySpan<byte>, Span<byte>)

public static bool CalculateAgreement(ReadOnlySpan<byte> k, ReadOnlySpan<byte> u, Span<byte> r)

Parameters

k ReadOnlySpan<byte>

u ReadOnlySpan<byte>

r Span<byte>

Returns

bool

ClampPrivateKey(byte[])

public static void ClampPrivateKey(byte[] k)

Parameters

k byte[]

GeneratePrivateKey(SecureRandom, byte[])

public static void GeneratePrivateKey(SecureRandom random, byte[] k)

Parameters

random SecureRandom

k byte[]

GeneratePrivateKey(SecureRandom, Span<byte>)

public static void GeneratePrivateKey(SecureRandom random, Span<byte> k)

Parameters

random SecureRandom

k Span<byte>

GeneratePublicKey(byte[], int, byte[], int)

public static void GeneratePublicKey(byte[] k, int kOff, byte[] r, int rOff)

Parameters

k byte[]

kOff int

r byte[]

rOff int

GeneratePublicKey(ReadOnlySpan<byte>, Span<byte>)

public static void GeneratePublicKey(ReadOnlySpan<byte> k, Span<byte> r)

Parameters

k ReadOnlySpan<byte>

r Span<byte>

Precompute()

public static void Precompute()

ScalarMult(byte[], int, byte[], int, byte[], int)

public static void ScalarMult(byte[] k, int kOff, byte[] u, int uOff, byte[] r, int rOff)

Parameters

k byte[]

kOff int

u byte[]

uOff int

r byte[]

rOff int

ScalarMult(ReadOnlySpan<byte>, ReadOnlySpan<byte>, Span<byte>)

public static void ScalarMult(ReadOnlySpan<byte> k, ReadOnlySpan<byte> u, Span<byte> r)

Parameters

k ReadOnlySpan<byte>

u ReadOnlySpan<byte>

r Span<byte>

ScalarMultBase(byte[], int, byte[], int)

public static void ScalarMultBase(byte[] k, int kOff, byte[] r, int rOff)

Parameters

k byte[]

kOff int

r byte[]

rOff int

ScalarMultBase(ReadOnlySpan<byte>, Span<byte>)

public static void ScalarMultBase(ReadOnlySpan<byte> k, Span<byte> r)

Parameters

k ReadOnlySpan<byte>

r Span<byte>