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Class au.net.aba.crypto.provider.PBEKeyFactory

java.lang.Object
   |
   +----javax.crypto.SecretKeyFactorySpi
           |
           +----au.net.aba.crypto.provider.PBEKeyFactory

public class PBEKeyFactory
extends SecretKeyFactorySpi
This class is used to convert password based keys into a format usable by the ABA provider. This class can convert PBEKeySpec objects into an ABA PBEKey and visa versa.

This class should not be instantiated directly, instead use the java.security.KeyFactory interface.

See Also:
KeyFactory

Variable Index

 o ident

Constructor Index

 o PBEKeyFactory()

Method Index

 o engineGenerateSecret(KeySpec)
Generates a PBE SecretKey object from the provided key specification (key material).
 o engineGetKeySpec(SecretKey, Class)
Returns a specification (key material) of the given key object in the requested format.
 o engineTranslateKey(SecretKey)
Translates a PBE key object, whose provider may be unknown or potentially untrusted, into a corresponding key object of this key factory.

Variables

 o ident
 public static final String ident

Constructors

 o PBEKeyFactory
 public PBEKeyFactory()

Methods

 o engineGenerateSecret
 protected SecretKey engineGenerateSecret(KeySpec keySpec) throws InvalidKeySpecException
Generates a PBE SecretKey object from the provided key specification (key material). This class supports the PBEKeySpec KeySpec class.

Returns:
s The secret key.
Throws: InvalidKeySpecException
The provided KeySpec was not a PBEKeySpec KeySpec.
Overrides:
engineGenerateSecret in class SecretKeyFactorySpi
 o engineGetKeySpec
 protected KeySpec engineGetKeySpec(SecretKey key,
                                    Class keySpec) throws InvalidKeySpecException
Returns a specification (key material) of the given key object in the requested format. Currently only the PBEKeySpec KeySpec class is supported.

Parameters:
key - the key
keySpec - the requested format in which the key material shall be returned, must be PBEKeySpec.class
Returns:
s the underlying key specification (key material) in the requested format
Throws: InvalidKeySpecException
if the provided key is not a PBEKey or the requested KeySpec is not a PBEKeySpec.
Overrides:
engineGetKeySpec in class SecretKeyFactorySpi
 o engineTranslateKey
 protected SecretKey engineTranslateKey(SecretKey key) throws InvalidKeyException
Translates a PBE key object, whose provider may be unknown or potentially untrusted, into a corresponding key object of this key factory.

Parameters:
key - - the key whose provider is unknown or untrusted
Returns:
s the translated key
Throws: InvalidKeyException
if the given key cannot be processed by this key factory.
Overrides:
engineTranslateKey in class SecretKeyFactorySpi

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