Summary: Ctors | Protected Methods | Inherited Methods | [Expand All]

public abstract class

KeyGeneratorSpi

extends Object

java.lang.Object
↳	javax.crypto.KeyGeneratorSpi

Class Overview

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

Summary

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

Protected Methods
abstract SecretKey	engineGenerateKey() Generates a secret key.
abstract void	engineInit(int keysize, SecureRandom random) Initializes this `KeyGenerator` instance for the specified key size (in bits) using the specified randomness source.
abstract void	engineInit(SecureRandom random) Initializes this `KeyGenerator` with the specified randomness source.
abstract void	engineInit(AlgorithmParameterSpec params, SecureRandom random) Initializes this `KeyGeneratorSpi` instance with the specified algorithm parameters and randomness source.

[Expand]

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() Called before the object's memory is reclaimed by the VM.
final Class<? extends Object>	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.

Public Constructors

public KeyGeneratorSpi ()

Since: API Level 1

Creates a new KeyGeneratorSpi instance.

Protected Methods

protected abstract SecretKey engineGenerateKey ()

Since: API Level 1

Generates a secret key.

Returns

the generated secret key.

protected abstract void engineInit (int keysize, SecureRandom random)

Since: API Level 1

Initializes this KeyGenerator instance for the specified key size (in bits) using the specified randomness source.

Parameters

keysize	the size of the key (in bits).
random	the randomness source for any random bytes.

protected abstract void engineInit (SecureRandom random)

Since: API Level 1

Initializes this KeyGenerator with the specified randomness source.

Parameters

random	the randomness source for any random bytes.

protected abstract void engineInit (AlgorithmParameterSpec params, SecureRandom random)

Since: API Level 1

Initializes this KeyGeneratorSpi instance with the specified algorithm parameters and randomness source.

Parameters

params	the parameters for the key generation algorithm.
random	the randomness source for any random bytes.

Throws

InvalidAlgorithmParameterException	if the parameters cannot be uses to initialize this key generator algorithm.

Interfaces

Classes

Exceptions

KeyGeneratorSpi

Class Overview

See Also

Summary

Public Constructors

public KeyGeneratorSpi ()

Protected Methods

protected abstract SecretKey engineGenerateKey ()

Returns

protected abstract void engineInit (int keysize, SecureRandom random)

Parameters

protected abstract void engineInit (SecureRandom random)

Parameters

protected abstract void engineInit (AlgorithmParameterSpec params, SecureRandom random)

Parameters

Throws