hcrypto.analyzer
Class GaPopulation

java.lang.Object
  |
  +--hcrypto.analyzer.GaPopulation

Direct Known Subclasses:

FreqGaPopulation, WordBasedGaPopulation

public abstract class GaPopulation

extends java.lang.Object

Field Summary

protected java.lang.String	ciphertext
protected java.lang.String	cleantext
protected double	cross_rate
static double	CROSS_RATE
protected GaIndividual[]	individual
static boolean	IS_VERBOSE
static int	MAX_GENERATIONS
protected int	maxtrials
protected double	mutate_rate
static double	MUTATE_RATE
protected GaParameters	params
static int	POPULATION_SIZE
protected int	size
static boolean	TWEAK_ON
protected boolean	tweakingOn
protected boolean	verbose

Constructor Summary

GaPopulation(java.lang.String text, GaParameters params)
GaPopulation() constructor

Method Summary

GaIndividual	getFittest(int n)
abstract void	init() This method initializes the analyzer for the particular type of population.
abstract void	run() The generic GA run method.

Methods inherited from class java.lang.Object

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

Field Detail

POPULATION_SIZE

public static final int POPULATION_SIZE

MAX_GENERATIONS

public static final int MAX_GENERATIONS

MUTATE_RATE

public static final double MUTATE_RATE

CROSS_RATE

public static final double CROSS_RATE

TWEAK_ON

public static final boolean TWEAK_ON

IS_VERBOSE

public static final boolean IS_VERBOSE

size

protected int size

mutate_rate

protected double mutate_rate

cross_rate

protected double cross_rate

maxtrials

protected int maxtrials

tweakingOn

protected boolean tweakingOn

verbose

protected boolean verbose

ciphertext

protected java.lang.String ciphertext

cleantext

protected java.lang.String cleantext

params

protected GaParameters params

individual

protected GaIndividual[] individual

Constructor Detail

GaPopulation

public GaPopulation(java.lang.String text,
                    GaParameters params)

GaPopulation() constructor

Parameters:

text - -- the text to be cryptanalyzed

params - -- a GaParameters object containing all needed parameters

Method Detail

getFittest

public GaIndividual getFittest(int n)

init

public abstract void init()

This method initializes the analyzer for the particular type of population. It should be implemented in the subclass.

run

public abstract void run()

The generic GA run method.