Package org.bouncycastle.math.ec.rfc7748

Class X25519

java.lang.Object

org.bouncycastle.math.ec.rfc7748.X25519

public abstract class X25519
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	X25519.Friend

Field Summary

Fields

Modifier and Type	Field	Description
static final int	POINT_SIZE
static final int	SCALAR_SIZE

Constructor Summary

Constructors

Constructor	Description
X25519()

Method Summary

Modifier and Type	Method	Description
static boolean	calculateAgreement(byte[] k, int kOff, byte[] u, int uOff, byte[] r, int rOff)
static void	generatePrivateKey(SecureRandom random, byte[] k)
static void	generatePublicKey(byte[] k, int kOff, byte[] r, int rOff)
static void	precompute()
static void	scalarMult(byte[] k, int kOff, byte[] u, int uOff, byte[] r, int rOff)
static void	scalarMultBase(byte[] k, int kOff, byte[] r, int rOff)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

POINT_SIZE

public static final int POINT_SIZE

See Also:

• Constant Field Values

SCALAR_SIZE

public static final int SCALAR_SIZE

See Also:

• Constant Field Values

Constructor Details

X25519

public X25519()

Method Details

calculateAgreement

public static boolean calculateAgreement(byte[] k,
 int kOff,
 byte[] u,
 int uOff,
 byte[] r,
 int rOff)

generatePrivateKey

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

generatePublicKey

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

precompute

public static void precompute()

scalarMult

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

scalarMultBase

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