com.jcraft.jsch.jce

Class ECDHN

java.lang.Object

com.jcraft.jsch.jce.ECDHN

All Implemented Interfaces:

ECDH

Direct Known Subclasses:

ECDH256, ECDH384, ECDH521

public class ECDHN
extends java.lang.Object
implements ECDH

Field Summary

Fields

Modifier and Type	Field and Description
private javax.crypto.KeyAgreement	myKeyAgree
(package private) java.security.interfaces.ECPublicKey	publicKey
(package private) byte[]	Q_array
private static java.math.BigInteger	three
private static java.math.BigInteger	two

Constructor Summary

Constructors

Constructor and Description
ECDHN()

Method Summary

Modifier and Type	Method and Description
private void	bzero(byte[] buf)
private byte[]	chop0(byte[] buf)
byte[]	getQ()
byte[]	getSecret(byte[] r, byte[] s)
void	init(int size)
private byte[]	insert0(byte[] buf)
private byte[]	toPoint(byte[] r_array, byte[] s_array)
boolean	validate(byte[] r, byte[] s)

Methods inherited from class java.lang.Object

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

Field Detail

Q_array

byte[] Q_array

publicKey

java.security.interfaces.ECPublicKey publicKey

myKeyAgree

private javax.crypto.KeyAgreement myKeyAgree

two

private static java.math.BigInteger two

three

private static java.math.BigInteger three

Constructor Detail

ECDHN

public ECDHN()

Method Detail

init

public void init(int size)
          throws java.lang.Exception

Specified by:

init in interface ECDH

Throws:

java.lang.Exception

getQ

public byte[] getQ()
            throws java.lang.Exception

Specified by:

getQ in interface ECDH

Throws:

java.lang.Exception

getSecret

public byte[] getSecret(byte[] r,
                        byte[] s)
                 throws java.lang.Exception

Specified by:

getSecret in interface ECDH

Throws:

java.lang.Exception

validate

public boolean validate(byte[] r,
                        byte[] s)
                 throws java.lang.Exception

Specified by:

validate in interface ECDH

Throws:

java.lang.Exception

toPoint

private byte[] toPoint(byte[] r_array,
                       byte[] s_array)

insert0

private byte[] insert0(byte[] buf)

chop0

private byte[] chop0(byte[] buf)

bzero

private void bzero(byte[] buf)