Top Inners Fields Constructors Methods

org.bouncycastle.math.ec.rfc7748

public abstract Class X25519

Class Inheritance

extends Object

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

Imports

java.security.SecureRandom, org.bouncycastle.math.ec.rfc8032.Ed25519, org.bouncycastle.util.Arrays

Nested and Inner Type Summary

Modifier and Type	Class and Description
private static class	X25519.F
public static class	X25519.Friend

Field Summary

Modifier and Type	Field and Description
private static final int	C_A
private static final int	C_A24
public static final int	POINT_SIZE
public static final int	SCALAR_SIZE

Constructor Summary

Access	Constructor and Description
public	X25519()

Method Summary

Modifier and Type	Method and Description
public static boolean	calculateAgreement(byte[] k, int kOff, byte[] u, int uOff, byte[] r, int rOff)
private static int	decode32(byte[] bs, int off)
private static void	decodeScalar(byte[] k, int kOff, int[] n)
public static void	generatePrivateKey(SecureRandom random, byte[] k)
public static void	generatePublicKey(byte[] k, int kOff, byte[] r, int rOff)
private static void	pointDouble(int[] x, int[] z)
public static void	precompute()
public static void	scalarMult(byte[] k, int kOff, byte[] u, int uOff, byte[] r, int rOff)
public static void	scalarMultBase(byte[] k, int kOff, byte[] r, int rOff)

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

Field Detail

C_A	back to summary
private static final int C_A

C_A24	back to summary
private static final int C_A24

POINT_SIZE	back to summary
public static final int POINT_SIZE

SCALAR_SIZE	back to summary
public static final int SCALAR_SIZE

Constructor Detail

X25519	back to summary
public X25519()

Method Detail

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

decode32	back to summary
private static int decode32(byte[] bs, int off)

decodeScalar	back to summary
private static void decodeScalar(byte[] k, int kOff, int[] n)

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

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

pointDouble	back to summary
private static void pointDouble(int[] x, int[] z)

precompute	back to summary
public static void precompute()

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

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

org.bouncycastle.math.ec.rfc7748 back to summary

private Class X25519.F

Class Inheritance

extends X25519Field

java.lang.Object
org.bouncycastle.math.ec.rfc7748.X25519Field
org.bouncycastle.math.ec.rfc7748.X25519.F

Field Summary

Inherited from org.bouncycastle.math.ec.rfc7748.X25519Field:: SIZE

Constructor Summary

Access	Constructor and Description
private	F()

Method Summary

Constructor Detail

F	back to summary
private F()

org.bouncycastle.math.ec.rfc7748 back to summary

public Class X25519.Friend

Class Inheritance

extends Object

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

Field Summary

Modifier and Type	Field and Description
private static final X25519.Friend	INSTANCE

Constructor Summary

Access	Constructor and Description
private	Friend()

Method Summary

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

Field Detail

INSTANCE	back to summary
private static final X25519.Friend INSTANCE

Constructor Detail

Friend	back to summary
private Friend()