org.bouncycastle.math.ec.rfc7748
Class X25519

java.lang.Object
  org.bouncycastle.math.ec.rfc7748.X25519

public abstract class X25519

extends java.lang.Object

Nested Class Summary

static class

X25519.Friend

Field Summary

static int	POINT_SIZE
static int	SCALAR_SIZE

Constructor Summary

X25519()

Method Summary

static boolean	calculateAgreement(byte[] k, int kOff, byte[] u, int uOff, byte[] r, int rOff)
static void	clampPrivateKey(byte[] k)
static void	generatePrivateKey(java.security.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 Detail

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 Detail

X25519

public X25519()

Method Detail

calculateAgreement

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

clampPrivateKey

public static void clampPrivateKey(byte[] k)

generatePrivateKey

public static void generatePrivateKey(java.security.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)