org.uncommons.maths.random

Class DevRandomSeedGenerator

java.lang.Object

org.uncommons.maths.random.DevRandomSeedGenerator

All Implemented Interfaces:

SeedGenerator

public class DevRandomSeedGenerator
extends Object
implements SeedGenerator

RNG seed strategy that gets data from /dev/random on systems that provide it (e.g. Solaris/Linux). If /dev/random does not exist or is not accessible, a SeedException is thrown.

Author:

Daniel Dyer

Constructor Summary

Constructors

Constructor and Description
DevRandomSeedGenerator()

Method Summary

Methods

Modifier and Type	Method and Description
byte[]	generateSeed(int length) Generate a seed value for a random number generator.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

DevRandomSeedGenerator

public DevRandomSeedGenerator()

Method Detail

generateSeed

public byte[] generateSeed(int length)
                    throws SeedException

Generate a seed value for a random number generator.

Specified by:

generateSeed in interface SeedGenerator

Parameters:

length - The length of the seed to generate (in bytes).

Returns:

The requested number of random bytes, read directly from /dev/random.

Throws:

SeedException - If /dev/random does not exist or is not accessible

toString

public String toString()

Overrides:

toString in class Object