com.tencent.kona.sun.security.ec

Class ECDHKeyAgreement

java.lang.Object

javax.crypto.KeyAgreementSpi

com.tencent.kona.sun.security.ec.ECDHKeyAgreement

public final class ECDHKeyAgreement
extends javax.crypto.KeyAgreementSpi

KeyAgreement implementation for ECDH.

Since:

1.7

Constructor Summary

Constructors

Constructor and Description
ECDHKeyAgreement() Constructs a new ECDHKeyAgreement.

Method Summary

Modifier and Type	Method and Description
protected java.security.Key	engineDoPhase(java.security.Key key, boolean lastPhase)
protected byte[]	engineGenerateSecret()
protected int	engineGenerateSecret(byte[] sharedSecret, int offset)
protected javax.crypto.SecretKey	engineGenerateSecret(java.lang.String algorithm)
protected void	engineInit(java.security.Key key, java.security.spec.AlgorithmParameterSpec params, java.security.SecureRandom random)
protected void	engineInit(java.security.Key key, java.security.SecureRandom random)

Methods inherited from class java.lang.Object

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

Constructor Detail

ECDHKeyAgreement

public ECDHKeyAgreement()

Constructs a new ECDHKeyAgreement.

Method Detail

engineInit

protected void engineInit(java.security.Key key,
                          java.security.SecureRandom random)
                   throws java.security.InvalidKeyException

Specified by:

engineInit in class javax.crypto.KeyAgreementSpi

Throws:

java.security.InvalidKeyException

engineInit

protected void engineInit(java.security.Key key,
                          java.security.spec.AlgorithmParameterSpec params,
                          java.security.SecureRandom random)
                   throws java.security.InvalidKeyException,
                          java.security.InvalidAlgorithmParameterException

Specified by:

engineInit in class javax.crypto.KeyAgreementSpi

Throws:

java.security.InvalidKeyException

java.security.InvalidAlgorithmParameterException

engineDoPhase

protected java.security.Key engineDoPhase(java.security.Key key,
                                          boolean lastPhase)
                                   throws java.security.InvalidKeyException,
                                          java.lang.IllegalStateException

Specified by:

engineDoPhase in class javax.crypto.KeyAgreementSpi

Throws:

java.security.InvalidKeyException

java.lang.IllegalStateException

engineGenerateSecret

protected byte[] engineGenerateSecret()
                               throws java.lang.IllegalStateException

Specified by:

engineGenerateSecret in class javax.crypto.KeyAgreementSpi

Throws:

java.lang.IllegalStateException

engineGenerateSecret

protected int engineGenerateSecret(byte[] sharedSecret,
                                   int offset)
                            throws java.lang.IllegalStateException,
                                   javax.crypto.ShortBufferException

Specified by:

engineGenerateSecret in class javax.crypto.KeyAgreementSpi

Throws:

java.lang.IllegalStateException

javax.crypto.ShortBufferException

engineGenerateSecret

protected javax.crypto.SecretKey engineGenerateSecret(java.lang.String algorithm)
                                               throws java.lang.IllegalStateException,
                                                      java.security.NoSuchAlgorithmException,
                                                      java.security.InvalidKeyException

Specified by:

engineGenerateSecret in class javax.crypto.KeyAgreementSpi

Throws:

java.lang.IllegalStateException

java.security.NoSuchAlgorithmException

java.security.InvalidKeyException