com.microej.crypto.internal.keypairgen

Class NativeKeyPairGeneratorSpi

java.lang.Object

java.security.KeyPairGeneratorSpi

java.security.KeyPairGenerator

com.microej.crypto.internal.keypairgen.NativeKeyPairGeneratorSpi

public class NativeKeyPairGeneratorSpi
extends KeyPairGenerator

NativeKeyPairGenerator Service Provider

Constructor Summary

Constructors

Constructor and Description
NativeKeyPairGeneratorSpi(int nativeAlgorithmId, String algorithm)

Method Summary

Modifier and Type	Method and Description
KeyPair	generateKeyPair() Generates a key pair.
void	initialize(AlgorithmParameterSpec params, SecureRandom random) Initializes the key pair generator with the given parameter set and source of randomness.
void	initialize(int keysize, SecureRandom random) Initializes the key pair generator for a certain keysize with the given source of randomness (and a default parameter set).
static int	nativeGetAlgorithm(byte[] algorithm) Get the supported algorithm native ID.

Methods inherited from class java.security.KeyPairGenerator

genKeyPair, getInstance, initialize, initialize

Methods inherited from class java.lang.Object

clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

NativeKeyPairGeneratorSpi

public NativeKeyPairGeneratorSpi(int nativeAlgorithmId,
                                 String algorithm)

Parameters:

nativeAlgorithmId -

algorithm -

Method Detail

generateKeyPair

public KeyPair generateKeyPair()

Description copied from class: KeyPairGenerator

Generates a key pair.

If this KeyPairGenerator has not been initialized explicitly, provider-specific defaults will be used for the size and other (algorithm-specific) values of the generated keys.

This will generate a new key pair every time it is called.

This method is functionally equivalent to genKeyPair.

Overrides:

generateKeyPair in class KeyPairGenerator

Returns:

the generated key pair

initialize

public void initialize(AlgorithmParameterSpec params,
                       SecureRandom random)
                throws InvalidAlgorithmParameterException

Description copied from class: KeyPairGenerator

Initializes the key pair generator with the given parameter set and source of randomness.

This concrete method has been added to this previously-defined abstract class. This method calls the KeyPairGeneratorSpi initialize method, passing it params and random. That initialize method always throws an UnsupportedOperationException if it is not overridden by the provider.

Overrides:

initialize in class KeyPairGenerator

Parameters:

params - the parameter set used to generate the keys.

random - the source of randomness.

Throws:

InvalidAlgorithmParameterException - if the given parameters are inappropriate for this key pair generator.

initialize

public void initialize(int keysize,
                       SecureRandom random)

Description copied from class: KeyPairGenerator

Initializes the key pair generator for a certain keysize with the given source of randomness (and a default parameter set).

Overrides:

initialize in class KeyPairGenerator

Parameters:

keysize - the keysize. This is an algorithm-specific metric, such as modulus length, specified in number of bits.

random - the source of randomness.

nativeGetAlgorithm

public static int nativeGetAlgorithm(byte[] algorithm)

Get the supported algorithm native ID.

Parameters:

algorithm - Null terminated string that describes the algorithm

Returns:

algorithm ID on success or -1 on error.