com.jcorporate.expresso.core.security.weakencryption
Class RandomNumber

java.lang.Object
  com.jcorporate.expresso.core.security.AbstractRandomNumber
      com.jcorporate.expresso.core.security.weakencryption.RandomNumber

public final class RandomNumber

extends AbstractRandomNumber

Weak version of the Randum Number Generator. This version only uses the standard PRNG and nothing even close to cryptographic strength.

Author:

Michael Rimov

Constructor Summary

RandomNumber()
Default Constructor

Method Summary

byte[]

getRandomBytes(int numBytes) getRandomBytes - Returns a byte array of random bytes.

Methods inherited from class com.jcorporate.expresso.core.security.AbstractRandomNumber

getCryptoManager, init, setCryptoManager

Methods inherited from class java.lang.Object

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

Constructor Detail

RandomNumber

public RandomNumber()
             throws ChainedException

Default Constructor

Throws:

ChainedException - if unable to instantiate the SHA1 Random number generator

Method Detail

getRandomBytes

public byte[] getRandomBytes(int numBytes)

getRandomBytes - Returns a byte array of random bytes. The derived class determines the actual method used for getting the random data.

Specified by:

getRandomBytes in class AbstractRandomNumber

Parameters:

numBytes - The number of bytes to retrieve

Returns:

An array of random bytes