Package org.bouncycastle.tls.crypto.impl.bc

Class BcTlsDHDomain

java.lang.Object

org.bouncycastle.tls.crypto.impl.bc.BcTlsDHDomain

All Implemented Interfaces:

TlsDHDomain

public class BcTlsDHDomain
extends Object
implements TlsDHDomain

BC light-weight 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 TlsDHConfig	config
protected BcTlsCrypto	crypto
protected org.bouncycastle.crypto.params.DHParameters	domainParameters

Constructor Summary

Constructors

Constructor	Description
BcTlsDHDomain(BcTlsCrypto crypto, TlsDHConfig dhConfig)

Method Summary

Modifier and Type	Method	Description
BcTlsSecret	calculateDHAgreement(org.bouncycastle.crypto.params.DHPrivateKeyParameters privateKey, org.bouncycastle.crypto.params.DHPublicKeyParameters publicKey)
static BcTlsSecret	calculateDHAgreement(BcTlsCrypto crypto, org.bouncycastle.crypto.params.DHPrivateKeyParameters privateKey, org.bouncycastle.crypto.params.DHPublicKeyParameters publicKey, boolean padded)
TlsAgreement	createDH()	Return an agreement operator suitable for ephemeral Diffie-Hellman.
BigInteger	decodeParameter(byte[] encoding)
org.bouncycastle.crypto.params.DHPublicKeyParameters	decodePublicKey(byte[] encoding)
byte[]	encodeParameter(BigInteger x)
byte[]	encodePublicKey(org.bouncycastle.crypto.params.DHPublicKeyParameters publicKey)
org.bouncycastle.crypto.AsymmetricCipherKeyPair	generateKeyPair()
static org.bouncycastle.crypto.params.DHParameters	getDomainParameters(TlsDHConfig dhConfig)

Methods inherited from class java.lang.Object

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

Field Details

crypto

protected BcTlsCrypto crypto

config

protected TlsDHConfig config

domainParameters

protected org.bouncycastle.crypto.params.DHParameters domainParameters

Constructor Details

BcTlsDHDomain

public BcTlsDHDomain(BcTlsCrypto crypto,
 TlsDHConfig dhConfig)

Method Details

calculateDHAgreement

public static BcTlsSecret calculateDHAgreement(BcTlsCrypto crypto,
 org.bouncycastle.crypto.params.DHPrivateKeyParameters privateKey,
 org.bouncycastle.crypto.params.DHPublicKeyParameters publicKey,
 boolean padded)

getDomainParameters

public static org.bouncycastle.crypto.params.DHParameters getDomainParameters(TlsDHConfig dhConfig)

calculateDHAgreement

public BcTlsSecret calculateDHAgreement(org.bouncycastle.crypto.params.DHPrivateKeyParameters privateKey,
 org.bouncycastle.crypto.params.DHPublicKeyParameters publicKey)

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 org.bouncycastle.crypto.params.DHPublicKeyParameters decodePublicKey(byte[] encoding)
                                                                     throws IOException

Throws:

IOException

encodeParameter

public byte[] encodeParameter(BigInteger x)

encodePublicKey

public byte[] encodePublicKey(org.bouncycastle.crypto.params.DHPublicKeyParameters publicKey)

generateKeyPair

public org.bouncycastle.crypto.AsymmetricCipherKeyPair generateKeyPair()