net.sf.mmm.crypto.random

Class RandomCreatorImpl

java.lang.Object

net.sf.mmm.crypto.random.RandomCreatorImpl

All Implemented Interfaces:

CryptoAlgorithm, RandomConstants, RandomCreator

public class RandomCreatorImpl
extends Object
implements RandomCreator

Implementation of RandomCreator.

Since:

1.0.0

Author:

Joerg Hohwiller (hohwille at users.sourceforge.net)

Field Summary

Fields

Modifier and Type	Field and Description
private int	count
private int	reseedCount
private SecureRandom	secureRandom

Fields inherited from interface net.sf.mmm.crypto.random.RandomConstants

RANDOM_ALGORITHM_SHA1_PRNG

Constructor Summary

Constructors

Constructor and Description
RandomCreatorImpl(SecureRandom secureRandom, int reseedCount) The constructor.

Method Summary

Modifier and Type	Method and Description
String	getAlgorithm()
byte[]	nextRandom(int bytes)

Methods inherited from class java.lang.Object

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

Field Detail

secureRandom

private final SecureRandom secureRandom

reseedCount

private final int reseedCount

count

private int count

Constructor Detail

RandomCreatorImpl

public RandomCreatorImpl(SecureRandom secureRandom,
                         int reseedCount)

The constructor.

Parameters:

secureRandom - the underlying SecureRandom.

reseedCount - the re-seed count.

Method Detail

getAlgorithm

public String getAlgorithm()

Specified by:

getAlgorithm in interface CryptoAlgorithm

Returns:

the name of the underlying algorithm (e.g. "RSA", "NONEwithECDSA", etc.).

See Also:

Key.getAlgorithm(), Signature.getAlgorithm(), MessageDigest.getAlgorithm(), SecureRandom.getAlgorithm(), Cipher.getAlgorithm()

nextRandom

public byte[] nextRandom(int bytes)

Specified by:

nextRandom in interface RandomCreator

Parameters:

bytes - the requested number of random bytes.

Returns:

the byte array with the given number of random bytes.

See Also:

SecureRandom.nextBytes(byte[])