Package org.spongycastle.crypto.agreement

Class ECDHCStagedAgreement

java.lang.Object

org.spongycastle.crypto.agreement.ECDHCStagedAgreement

All Implemented Interfaces:

BasicAgreement, StagedAgreement

public class ECDHCStagedAgreement
extends Object
implements StagedAgreement

Constructor Summary

Constructors

Constructor	Description
ECDHCStagedAgreement()

Method Summary

Modifier and Type	Method	Description
BigInteger	calculateAgreement(CipherParameters pubKey)	given a public key from a given party calculate the next message in the agreement sequence.
AsymmetricKeyParameter	calculateStage(CipherParameters pubKey)
int	getFieldSize()	return the field size for the agreement algorithm in bytes.
void	init(CipherParameters key)	initialise the agreement engine.

Methods inherited from class java.lang.Object

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

Constructor Details

ECDHCStagedAgreement

public ECDHCStagedAgreement()

Method Details

init

public void init(CipherParameters key)

Description copied from interface: BasicAgreement

initialise the agreement engine.

Specified by:

init in interface BasicAgreement

getFieldSize

public int getFieldSize()

Description copied from interface: BasicAgreement

return the field size for the agreement algorithm in bytes.

Specified by:

getFieldSize in interface BasicAgreement

calculateStage

public AsymmetricKeyParameter calculateStage(CipherParameters pubKey)

Specified by:

calculateStage in interface StagedAgreement

calculateAgreement

public BigInteger calculateAgreement(CipherParameters pubKey)

Description copied from interface: BasicAgreement

given a public key from a given party calculate the next message in the agreement sequence.

Specified by:

calculateAgreement in interface BasicAgreement