public Class XDHBasicAgreement

Class Inheritance

extends Object
implements BasicAgreement

All Implemented Interfaces

org.bouncycastle.crypto.BasicAgreement

Imports

Key agreement using X25519 or X448. Same as Weierstrauss curve based ECDH, except this uses the U-coordinate while ECDH uses the X-coordinate.

Field Summary

Modifier and Type	Field and Description
private RawAgreement	agreement
private int	fieldSize
private AsymmetricKeyParameter	key

Access	Constructor and Description
public	XDHBasicAgreement()

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

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

agreement	back to summary
private RawAgreement agreement

fieldSize	back to summary
private int fieldSize

key	back to summary
private AsymmetricKeyParameter key

XDHBasicAgreement	back to summary
public XDHBasicAgreement()

calculateAgreement	back to summary
public BigInteger calculateAgreement(CipherParameters pubKey) Implements org.bouncycastle.crypto.BasicAgreement.calculateAgreement. Doc from org.bouncycastle.crypto.BasicAgreement.calculateAgreement. given a public key from a given party calculate the next message in the agreement sequence.

calculateAgreement

public BigInteger calculateAgreement(CipherParameters pubKey)

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

getFieldSize	back to summary
public int getFieldSize() Implements org.bouncycastle.crypto.BasicAgreement.getFieldSize. Doc from org.bouncycastle.crypto.BasicAgreement.getFieldSize. return the field size for the agreement algorithm in bytes.

getFieldSize

public int getFieldSize()

return the field size for the agreement algorithm in bytes.

init	back to summary
public void init(CipherParameters key) Implements org.bouncycastle.crypto.BasicAgreement.init. Doc from org.bouncycastle.crypto.BasicAgreement.init. initialise the agreement engine.

init

public void init(CipherParameters key)

initialise the agreement engine.