javax.crypto
Class KeyAgreement

java.lang.Object
  javax.crypto.KeyAgreement

public class KeyAgreement
extends Object

Constructor Summary

protected

KeyAgreement(KeyAgreementSpi keyAgreeSpi, Provider provider, String algorithm)

Method Summary

Key	doPhase(Key key, boolean lastPhase)
byte[]	generateSecret()
int	generateSecret(byte[] sharedSecret, int offset)
SecretKey	generateSecret(String algorithm)
String	getAlgorithm()
static KeyAgreement	getInstance(String algorithm)
static KeyAgreement	getInstance(String algorithm, Provider provider)
static KeyAgreement	getInstance(String algorithm, String provider)
Provider	getProvider()
void	init(Key key)
void	init(Key key, AlgorithmParameterSpec params)
void	init(Key key, AlgorithmParameterSpec params, SecureRandom random)
void	init(Key key, SecureRandom random)

Methods inherited from class java.lang.Object

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

Constructor Detail

KeyAgreement

protected KeyAgreement(KeyAgreementSpi keyAgreeSpi,
                       Provider provider,
                       String algorithm)

Method Detail

getAlgorithm

public final String getAlgorithm()

getProvider

public final Provider getProvider()

getInstance

public static final KeyAgreement getInstance(String algorithm)
                                      throws NoSuchAlgorithmException

Throws:

NoSuchAlgorithmException

getInstance

public static final KeyAgreement getInstance(String algorithm,
                                             String provider)
                                      throws NoSuchAlgorithmException,
                                             NoSuchProviderException

Throws:

NoSuchAlgorithmException

NoSuchProviderException

getInstance

public static final KeyAgreement getInstance(String algorithm,
                                             Provider provider)
                                      throws NoSuchAlgorithmException

Throws:

NoSuchAlgorithmException

init

public final void init(Key key)
                throws InvalidKeyException

Throws:

InvalidKeyException

init

public final void init(Key key,
                       SecureRandom random)
                throws InvalidKeyException

Throws:

InvalidKeyException

init

public final void init(Key key,
                       AlgorithmParameterSpec params)
                throws InvalidKeyException,
                       InvalidAlgorithmParameterException

Throws:

InvalidKeyException

InvalidAlgorithmParameterException

init

public final void init(Key key,
                       AlgorithmParameterSpec params,
                       SecureRandom random)
                throws InvalidKeyException,
                       InvalidAlgorithmParameterException

Throws:

InvalidKeyException

InvalidAlgorithmParameterException

doPhase

public final Key doPhase(Key key,
                         boolean lastPhase)
                  throws InvalidKeyException,
                         IllegalStateException

Throws:

InvalidKeyException

IllegalStateException

generateSecret

public final byte[] generateSecret()
                            throws IllegalStateException

Throws:

IllegalStateException

generateSecret

public final int generateSecret(byte[] sharedSecret,
                                int offset)
                         throws IllegalStateException,
                                ShortBufferException

Throws:

IllegalStateException

ShortBufferException

generateSecret

public final SecretKey generateSecret(String algorithm)
                               throws IllegalStateException,
                                      NoSuchAlgorithmException,
                                      InvalidKeyException

Throws:

IllegalStateException

NoSuchAlgorithmException

InvalidKeyException