com.safenetinc.luna.provider.keygen

Class LunaKeyDerivationHash

java.lang.Object

javax.crypto.KeyAgreementSpi

com.safenetinc.luna.provider.keygen.LunaKeyDerivationHash

Direct Known Subclasses:

LunaKeyDerivationHashSHA1, LunaKeyDerivationHashSM3

public class LunaKeyDerivationHash
extends javax.crypto.KeyAgreementSpi

Provides generic key factory methods for the hash key derivation mechanism

Field Summary

Fields

Modifier and Type	Field and Description
protected LunaKey	baseKey
protected long	mechType
protected javax.crypto.SecretKeyFactory	skf

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	LunaKeyDerivationHash(long mechType)

Method Summary

Methods

Modifier and Type	Method and Description
protected void	checkPublicKey(java.security.Key key, boolean lastPhase)
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)
protected int	getDerivedKeyLength(long algId)
protected int	getMaxSharedSecretLength()

Methods inherited from class java.lang.Object

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

Field Detail

mechType

protected long mechType

baseKey

protected LunaKey baseKey

skf

protected final javax.crypto.SecretKeyFactory skf

Constructor Detail

LunaKeyDerivationHash

protected LunaKeyDerivationHash(long mechType)

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

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 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

getMaxSharedSecretLength

protected int getMaxSharedSecretLength()

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

checkPublicKey

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

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

getDerivedKeyLength

protected int getDerivedKeyLength(long algId)
                           throws java.security.NoSuchAlgorithmException

Throws:

java.security.NoSuchAlgorithmException