Package com.fortanix.sdkms.jce.provider.agreement

Class ECDHKeyAgreement

java.lang.Object

javax.crypto.KeyAgreementSpi

com.fortanix.sdkms.jce.provider.agreement.ECDHKeyAgreement

public class ECDHKeyAgreement
extends javax.crypto.KeyAgreementSpi

Constructor Summary

Constructors

Constructor	Description
ECDHKeyAgreement()	Constructs a new ECDHKeyAgreement.

Method Summary

Modifier and Type	Method	Description
protected java.security.Key	engineDoPhase(java.security.Key key, boolean lastPhase)	Performs key agreement for a provided public key and initialized private key
protected byte[]	engineGenerateSecret()	Returns shared secret from shared secret key
protected int	engineGenerateSecret(byte[] sharedSecret, int offset)
protected javax.crypto.SecretKey	engineGenerateSecret(java.lang.String algorithm)	Returns a secret key object for a provided algorithm from shared secret keyId
protected void	engineInit(java.security.Key key, java.security.SecureRandom random)
protected void	engineInit(java.security.Key key, java.security.spec.AlgorithmParameterSpec params, 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

engineDoPhase

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

Performs key agreement for a provided public key and initialized private key

Specified by:

engineDoPhase in class javax.crypto.KeyAgreementSpi

Throws:

java.security.InvalidKeyException

java.lang.IllegalStateException

engineGenerateSecret

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

Returns shared secret from shared secret key

Specified by:

engineGenerateSecret in class javax.crypto.KeyAgreementSpi

Throws:

java.lang.IllegalStateException

engineGenerateSecret

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

Returns a secret key object for a provided algorithm from shared secret keyId

Specified by:

engineGenerateSecret in class javax.crypto.KeyAgreementSpi

Throws:

java.lang.IllegalStateException

java.security.NoSuchAlgorithmException

java.security.InvalidKeyException

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

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