hcrypto.analyzer
Class GaIndividual

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

All Implemented Interfaces:

java.lang.Comparable

Direct Known Subclasses:

FreqGaIndividual, WordBasedGaIndividual

public abstract class GaIndividual

extends java.lang.Object

implements java.lang.Comparable

Field Summary

protected Cipher	cipher
protected java.lang.String	ciphertext
protected java.lang.String	decrypt
protected double	fitness
protected java.lang.StringBuffer	key
protected SubstitutionKey	sKey

Constructor Summary

GaIndividual(GaIndividual i)
Copy constructor

GaIndividual(java.lang.String text, java.lang.String initKey)
This constructor takes an initial distribution for the key as a parameter.

Method Summary

abstract void	calcFitness() This method should be implemented in the subclass.
int	compareTo(java.lang.Object o) From the Comparable interface.
abstract void	cross(GaIndividual i2) This abstract method should be implemented in the subclass.
java.lang.String	displayCrossData()
double	getFitness()
java.lang.String	getKey()
abstract int	mutate(double rate) This method should be implemented in the subclass.
protected void	swap(char ch1, char ch2)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

key

protected java.lang.StringBuffer key

fitness

protected double fitness

ciphertext

protected java.lang.String ciphertext

decrypt

protected java.lang.String decrypt

cipher

protected Cipher cipher

sKey

protected SubstitutionKey sKey

Constructor Detail

GaIndividual

public GaIndividual(java.lang.String text,
                    java.lang.String initKey)

This constructor takes an initial distribution for the key as a parameter.

Parameters:

text - -- A string giving the text to be decrypted.

initKey - -- A string giving the initial values for the key.

GaIndividual

public GaIndividual(GaIndividual i)

Copy constructor

Method Detail

cross

public abstract void cross(GaIndividual i2)

This abstract method should be implemented in the subclass.

Parameters:

i1 - an Individual parent

i2 - an Individual parent

mutate

public abstract int mutate(double rate)

This method should be implemented in the subclass.

Parameters:

rate - is the mutation rate

calcFitness

public abstract void calcFitness()

This method should be implemented in the subclass.

swap

protected void swap(char ch1,
                    char ch2)

getFitness

public double getFitness()

getKey

public java.lang.String getKey()

compareTo

public int compareTo(java.lang.Object o)

From the Comparable interface.

Specified by:

compareTo in interface java.lang.Comparable

displayCrossData

public java.lang.String displayCrossData()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object