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 KeyAgreementSpi

Constructor Summary

Constructors

Constructor	Description
ECDHKeyAgreement()	Constructs a new ECDHKeyAgreement.

Method Summary

Modifier and Type	Method	Description
protected Key	engineDoPhase(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 SecretKey	engineGenerateSecret(String algorithm)	Returns a secret key object for a provided algorithm from shared secret keyId
protected void	engineInit(Key key, SecureRandom random)
protected void	engineInit(Key key, AlgorithmParameterSpec params, 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 Key engineDoPhase(Key key,
                            boolean lastPhase)
                     throws InvalidKeyException,
                            IllegalStateException

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

Specified by:

engineDoPhase in class KeyAgreementSpi

Throws:

InvalidKeyException

IllegalStateException

engineGenerateSecret

protected byte[] engineGenerateSecret()
                               throws IllegalStateException

Returns shared secret from shared secret key

Specified by:

engineGenerateSecret in class KeyAgreementSpi

Throws:

IllegalStateException

engineGenerateSecret

protected SecretKey engineGenerateSecret(String algorithm)
                                  throws IllegalStateException,
                                         NoSuchAlgorithmException,
                                         InvalidKeyException

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

Specified by:

engineGenerateSecret in class KeyAgreementSpi

Throws:

IllegalStateException

NoSuchAlgorithmException

InvalidKeyException

engineGenerateSecret

protected int engineGenerateSecret(byte[] sharedSecret,
                                   int offset)
                            throws IllegalStateException,
                                   ShortBufferException

Specified by:

engineGenerateSecret in class KeyAgreementSpi

Throws:

IllegalStateException

ShortBufferException

engineInit

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

Specified by:

engineInit in class KeyAgreementSpi

Throws:

InvalidKeyException

engineInit

protected void engineInit(Key key,
                          AlgorithmParameterSpec params,
                          SecureRandom random)
                   throws InvalidKeyException,
                          InvalidAlgorithmParameterException

Specified by:

engineInit in class KeyAgreementSpi

Throws:

InvalidKeyException

InvalidAlgorithmParameterException