org.spongycastle.tls.crypto.impl.jcajce

Class JceTlsDHDomain

java.lang.Object

org.spongycastle.tls.crypto.impl.jcajce.JceTlsDHDomain

All Implemented Interfaces:

TlsDHDomain

public class JceTlsDHDomain
extends java.lang.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 and Description
protected JcaTlsCrypto	crypto
protected TlsDHConfig	dhConfig
protected javax.crypto.spec.DHParameterSpec	dhParameterSpec

Constructor Summary

Constructors

Constructor and Description
JceTlsDHDomain(JcaTlsCrypto crypto, TlsDHConfig dhConfig)

Method Summary

Modifier and Type	Method and Description
JceTlsSecret	calculateDHAgreement(javax.crypto.interfaces.DHPrivateKey privateKey, javax.crypto.interfaces.DHPublicKey publicKey)
TlsAgreement	createDH() Return an agreement operator suitable for ephemeral Diffie-Hellman.
static java.math.BigInteger	decodeParameter(byte[] encoding)
javax.crypto.interfaces.DHPublicKey	decodePublicKey(byte[] encoding)
byte[]	encodeParameter(java.math.BigInteger x)
byte[]	encodePublicKey(javax.crypto.interfaces.DHPublicKey publicKey)
java.security.KeyPair	generateKeyPair()
static javax.crypto.spec.DHParameterSpec	getParameters(TlsDHConfig dhConfig)

Methods inherited from class java.lang.Object

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

Field Detail

crypto

protected final JcaTlsCrypto crypto

dhConfig

protected final TlsDHConfig dhConfig

dhParameterSpec

protected final javax.crypto.spec.DHParameterSpec dhParameterSpec

Constructor Detail

JceTlsDHDomain

public JceTlsDHDomain(JcaTlsCrypto crypto,
                      TlsDHConfig dhConfig)

Method Detail

getParameters

public static javax.crypto.spec.DHParameterSpec getParameters(TlsDHConfig dhConfig)

calculateDHAgreement

public JceTlsSecret calculateDHAgreement(javax.crypto.interfaces.DHPrivateKey privateKey,
                                         javax.crypto.interfaces.DHPublicKey publicKey)
                                  throws java.io.IOException

Throws:

java.io.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 static java.math.BigInteger decodeParameter(byte[] encoding)
                                            throws java.io.IOException

Throws:

java.io.IOException

decodePublicKey

public javax.crypto.interfaces.DHPublicKey decodePublicKey(byte[] encoding)
                                                    throws java.io.IOException

Throws:

java.io.IOException

encodeParameter

public byte[] encodeParameter(java.math.BigInteger x)
                       throws java.io.IOException

Throws:

java.io.IOException

encodePublicKey

public byte[] encodePublicKey(javax.crypto.interfaces.DHPublicKey publicKey)
                       throws java.io.IOException

Throws:

java.io.IOException

generateKeyPair

public java.security.KeyPair generateKeyPair()
                                      throws java.io.IOException

Throws:

java.io.IOException