SecretKeyFactorySpi

The Service Provider Interface (SPI) definition for the SecretKeyFactory class.

Summary

Public Constructors
	SecretKeyFactorySpi() Creates a new `SecretKeyFactorySpi` instance.

Public Constructors

SecretKeyFactorySpi()

Creates a new SecretKeyFactorySpi instance.

Protected Methods
abstract SecretKey	engineGenerateSecret(KeySpec keySpec) Generate a secret key from the specified key specification.
abstract KeySpec	engineGetKeySpec(SecretKey key, Class keySpec) Returns the key specification of the specified secret key.
abstract SecretKey	engineTranslateKey(SecretKey key) Translates the specified secret key into an instance of the corresponding key from the provider of this key factory.

Protected Methods

abstract SecretKey

engineGenerateSecret(KeySpec keySpec)

Generate a secret key from the specified key specification.

abstract KeySpec

engineGetKeySpec(SecretKey key, Class keySpec)

Returns the key specification of the specified secret key.

abstract SecretKey

engineTranslateKey(SecretKey key)

Translates the specified secret key into an instance of the corresponding key from the provider of this key factory.

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Inherited Methods

From class java.lang.Object

Object	clone() Creates and returns a copy of this `Object`.
boolean	equals(Object o) Compares this instance with the specified object and indicates if they are equal.
void	finalize() Invoked when the garbage collector has detected that this instance is no longer reachable.
final Class<?>	getClass() Returns the unique instance of `Class` that represents this object's class.
int	hashCode() Returns an integer hash code for this object.
final void	notify() Causes a thread which is waiting on this object's monitor (by means of calling one of the `wait()` methods) to be woken up.
final void	notifyAll() Causes all threads which are waiting on this object's monitor (by means of calling one of the `wait()` methods) to be woken up.
String	toString() Returns a string containing a concise, human-readable description of this object.
final void	wait() Causes the calling thread to wait until another thread calls the `notify()` or `notifyAll()` method of this object.
final void	wait(long millis, int nanos) Causes the calling thread to wait until another thread calls the `notify()` or `notifyAll()` method of this object or until the specified timeout expires.
final void	wait(long millis) Causes the calling thread to wait until another thread calls the `notify()` or `notifyAll()` method of this object or until the specified timeout expires.

Protected Methods

protected abstract SecretKey engineGenerateSecret (KeySpec keySpec)

Since: API Level 1

Generate a secret key from the specified key specification.

Parameters

keySpec	the key specification.

Returns

a secret key.

Throws

InvalidKeySpecException	if the specified key specification cannot be used to generate a secret key.

protected abstract KeySpec engineGetKeySpec (SecretKey key, Class keySpec)

Since: API Level 1

Returns the key specification of the specified secret key.

Parameters

key	the secret key to get the specification from.
keySpec	the target key specification class.

Returns

an instance of the specified key specification class.

Throws

InvalidKeySpecException	if the specified secret key cannot be transformed into the requested key specification.

protected abstract SecretKey engineTranslateKey (SecretKey key)

Since: API Level 1

Translates the specified secret key into an instance of the corresponding key from the provider of this key factory.

Parameters

key	the secret key to translate.

Returns

the corresponding translated key.

Throws

InvalidKeyException	if the specified key cannot be translated using this key factory.

Results

Interfaces

Classes

Exceptions

Class Overview

Summary

Public Constructors

public SecretKeyFactorySpi ()

Protected Methods

protected abstract SecretKey engineGenerateSecret (KeySpec keySpec)

Parameters

Returns

Throws

protected abstract KeySpec engineGetKeySpec (SecretKey key, Class keySpec)

Parameters

Returns

Throws

protected abstract SecretKey engineTranslateKey (SecretKey key)

Parameters

Returns

Throws

java.lang.Object
↳	javax.crypto.SecretKeyFactorySpi