Package org.bouncycastle.tls.crypto.impl.jcajce

Class JceTlsDHDomain

java.lang.Object

org.bouncycastle.tls.crypto.impl.jcajce.JceTlsDHDomain

All Implemented Interfaces:

TlsDHDomain

public class JceTlsDHDomain
extends Object
implements TlsDHDomain

JCE support class for Diffie-Hellman key pair generation and key agreement over a specified Diffie-Hellman configuration.

Field Summary

Fields

Modifier and Type	Field	Description
protected final JcaTlsCrypto	crypto
protected final TlsDHConfig	dhConfig
protected final DHParameterSpec	dhSpec

Constructor Summary

Constructors

Constructor	Description
JceTlsDHDomain(JcaTlsCrypto crypto, TlsDHConfig dhConfig)

Method Summary

Modifier and Type	Method	Description
JceTlsSecret	calculateDHAgreement(DHPrivateKey privateKey, DHPublicKey publicKey)
static JceTlsSecret	calculateDHAgreement(JcaTlsCrypto crypto, DHPrivateKey privateKey, DHPublicKey publicKey, boolean padded)
TlsAgreement	createDH()	Return an agreement operator suitable for ephemeral Diffie-Hellman.
BigInteger	decodeParameter(byte[] encoding)
DHPublicKey	decodePublicKey(byte[] encoding)
byte[]	encodeParameter(BigInteger x)
byte[]	encodePublicKey(DHPublicKey publicKey)
KeyPair	generateKeyPair()

Methods inherited from class java.lang.Object

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

Field Details

crypto

protected final JcaTlsCrypto crypto

dhConfig

protected final TlsDHConfig dhConfig

dhSpec

protected final DHParameterSpec dhSpec

Constructor Details

JceTlsDHDomain

public JceTlsDHDomain(JcaTlsCrypto crypto,
 TlsDHConfig dhConfig)

Method Details

calculateDHAgreement

public static JceTlsSecret calculateDHAgreement(JcaTlsCrypto crypto,
 DHPrivateKey privateKey,
 DHPublicKey publicKey,
 boolean padded)
                                         throws IOException

Throws:

IOException

calculateDHAgreement

public JceTlsSecret calculateDHAgreement(DHPrivateKey privateKey,
 DHPublicKey publicKey)
                                  throws IOException

Throws:

IOException

createDH

public TlsAgreement createDH()

Description copied from interface: TlsDHDomain

Return an agreement operator suitable for ephemeral Diffie-Hellman.

Specified by:

createDH in interface TlsDHDomain

Returns:

a key agreement operator.

decodeParameter

public BigInteger decodeParameter(byte[] encoding)
                           throws IOException

Throws:

IOException

decodePublicKey

public DHPublicKey decodePublicKey(byte[] encoding)
                            throws IOException

Throws:

IOException

encodeParameter

public byte[] encodeParameter(BigInteger x)
                       throws IOException

Throws:

IOException

encodePublicKey

public byte[] encodePublicKey(DHPublicKey publicKey)
                       throws IOException

Throws:

IOException

generateKeyPair

public KeyPair generateKeyPair()
                        throws IOException

Throws:

IOException