public abstract class KeyGeneratorSpi extends Object
KeyGenerator class.
All the abstract methods in this class must be implemented by each
cryptographic service provider who wishes to supply the implementation
of a key generator for a particular algorithm.SecretKey| Constructor and Description |
|---|
KeyGeneratorSpi() |
| Modifier and Type | Method and Description |
|---|---|
protected abstract SecretKey |
engineGenerateKey()
Generates a secret key.
|
protected abstract void |
engineInit(AlgorithmParameterSpec params,
SecureRandom random)
Initializes the key generator with the specified parameter
set and a user-provided source of randomness.
|
protected abstract void |
engineInit(int keysize,
SecureRandom random)
Initializes this key generator for a certain keysize, using the given
source of randomness.
|
protected abstract void |
engineInit(SecureRandom random)
Initializes the key generator.
|
protected abstract void engineInit(SecureRandom random)
random - the source of randomness for this generatorprotected abstract void engineInit(AlgorithmParameterSpec params, SecureRandom random) throws InvalidAlgorithmParameterException
params - the key generation parametersrandom - the source of randomness for this key generatorInvalidAlgorithmParameterException - if params is
inappropriate for this key generatorprotected abstract void engineInit(int keysize,
SecureRandom random)
keysize - the keysize. This is an algorithm-specific metric,
specified in number of bits.random - the source of randomness for this key generatorInvalidParameterException - if the keysize is wrong or not
supported.protected abstract SecretKey engineGenerateKey()
Submit a bug or feature
For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
Copyright © 1993, 2015, Oracle and/or its affiliates. All rights reserved.