org.spongycastle.tls.crypto.impl.bc

Class BcTlsDHDomain

java.lang.Object

org.spongycastle.tls.crypto.impl.bc.BcTlsDHDomain

All Implemented Interfaces:

TlsDHDomain

public class BcTlsDHDomain
extends java.lang.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 and Description
protected BcTlsCrypto	crypto
protected TlsDHConfig	dhConfig
protected org.spongycastle.crypto.params.DHParameters	dhParameters

Constructor Summary

Constructors

Constructor and Description
BcTlsDHDomain(BcTlsCrypto crypto, TlsDHConfig dhConfig)

Method Summary

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

dhConfig

protected TlsDHConfig dhConfig

dhParameters

protected org.spongycastle.crypto.params.DHParameters dhParameters

Constructor Detail

BcTlsDHDomain

public BcTlsDHDomain(BcTlsCrypto crypto,
                     TlsDHConfig dhConfig)

Method Detail

calculateBasicAgreement

public static byte[] calculateBasicAgreement(org.spongycastle.crypto.params.DHPrivateKeyParameters privateKey,
                                             org.spongycastle.crypto.params.DHPublicKeyParameters publicKey)

getParameters

public static org.spongycastle.crypto.params.DHParameters getParameters(TlsDHConfig dhConfig)

calculateDHAgreement

public BcTlsSecret calculateDHAgreement(org.spongycastle.crypto.params.DHPrivateKeyParameters privateKey,
                                        org.spongycastle.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 java.math.BigInteger decodeParameter(byte[] encoding)
                                     throws java.io.IOException

Throws:

java.io.IOException

decodePublicKey

public org.spongycastle.crypto.params.DHPublicKeyParameters 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(org.spongycastle.crypto.params.DHPublicKeyParameters publicKey)
                       throws java.io.IOException

Throws:

java.io.IOException

generateKeyPair

public org.spongycastle.crypto.AsymmetricCipherKeyPair generateKeyPair()