Class javax.crypto.SecretKeyFactorySpi
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Class javax.crypto.SecretKeyFactorySpi

java.lang.Object
   |
   +----javax.crypto.SecretKeyFactorySpi

public class SecretKeyFactorySpi
extends Object

Constructor Index

 o SecretKeyFactorySpi()

Method Index

 o engineGenerateSecret(KeySpec)
Generates a 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 key object, whose provider may be unknown or potentially untrusted, into a corresponding key object of this key factory.

Constructors

 o SecretKeyFactorySpi
  public SecretKeyFactorySpi()

Methods

 o engineGenerateSecret
  protected abstract SecretKey engineGenerateSecret(KeySpec keySpec) throws InvalidKeySpecException
Generates a SecretKey object from the provided key specification (key material).
Parameters:
keySpec - the specification (key material) of the secret key
Returns:
the secret key
Throws: InvalidKeySpecException
if the given key specification is inappropriate for this key factory to produce a secret key.
 o engineGetKeySpec
  protected abstract KeySpec engineGetKeySpec(SecretKey key,
                                              Class keySpec) throws InvalidKeySpecException
Returns a specification (key material) of the given key object in the requested format.
Parameters:
key - the key
keySpec - the requested format in which the key material shall be returned
Returns:
s the underlying key specification (key material) in the requested format
Throws: InvalidKeySpecException
if the requested key specification is inappropriate for the given key, or the given key cannot be dealt with (e.g., the given key has an unrecognised format).
 o engineTranslateKey
  protected abstract SecretKey engineTranslateKey(SecretKey key) throws InvalidKeyException
Translates a 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.

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