Package adams.core.password

Class BruteForcePasswordGenerator

java.lang.Object

adams.core.logging.LoggingObject

adams.core.logging.CustomLoggingLevelObject

adams.core.password.AbstractPasswordGenerator

adams.core.password.BruteForcePasswordGenerator

All Implemented Interfaces:

LoggingLevelHandler, LoggingSupporter, PasswordGenerator, SizeOfHandler, Serializable, Iterator<String>

public class BruteForcePasswordGenerator
extends AbstractPasswordGenerator

Generates passwords for a brute force attack.

Version:

$Revision$

Author:

FracPete (fracpete at waikato dot ac dot nz)

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected char[]	m_Chars	the characters to use in the attack.
protected int[]	m_Counter	counter for generating the passwords.
protected int	m_Max	the maximum number of characters.
protected int	m_MaxLength	the maximum length for passwords to test.
protected String	m_Next	the next password.
protected boolean	m_NextGenerated	whether the next password has already been generated.
protected int	m_NumChars	the current number of characters in the password.
protected char[]	m_Password	the buffer for the password.

Fields inherited from class adams.core.logging.LoggingObject

m_Logger, m_LoggingIsEnabled, m_LoggingLevel

Constructor Summary

Constructors

Constructor	Description
BruteForcePasswordGenerator(String chars, int maxLength)	Initializes the generator.
BruteForcePasswordGenerator(String chars, int maxLength, String start)	Initializes the generator.

Method Summary

Modifier and Type	Method	Description
protected String	doNext()	Generates the next password.
boolean	hasNext()	Checks whether there is another password available.
String	next()	Returns the next password.

Methods inherited from class adams.core.logging.CustomLoggingLevelObject

setLoggingLevel

Methods inherited from class adams.core.logging.LoggingObject

configureLogger, getLogger, getLoggingLevel, initializeLogging, isLoggingEnabled, sizeOf

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining, remove

Methods inherited from interface adams.core.logging.LoggingLevelHandler

getLoggingLevel, setLoggingLevel

Methods inherited from interface adams.core.logging.LoggingSupporter

getLogger, isLoggingEnabled

Field Detail

m_MaxLength

protected int m_MaxLength

the maximum length for passwords to test.

m_Counter

protected int[] m_Counter

counter for generating the passwords.

m_Chars

protected char[] m_Chars

the characters to use in the attack.

m_Max

protected int m_Max

the maximum number of characters.

m_Password

protected char[] m_Password

the buffer for the password.

m_NumChars

protected int m_NumChars

the current number of characters in the password.

m_Next

protected String m_Next

the next password.

m_NextGenerated

protected boolean m_NextGenerated

whether the next password has already been generated.

Constructor Detail

BruteForcePasswordGenerator

public BruteForcePasswordGenerator(String chars,
                                   int maxLength)

Initializes the generator.

Parameters:

chars - the characters to use for each position

maxLength - the maximum length of the password

BruteForcePasswordGenerator

public BruteForcePasswordGenerator(String chars,
                                   int maxLength,
                                   String start)

Initializes the generator.

Parameters:

chars - the characters to use for each position

maxLength - the maximum length of the password

start - the starting password, use null to start from scratch

Method Detail

hasNext

public boolean hasNext()

Checks whether there is another password available.

Specified by:

hasNext in interface Iterator<String>

Specified by:

hasNext in class AbstractPasswordGenerator

Returns:

true if another password available

next

public String next()

Returns the next password.

Specified by:

next in interface Iterator<String>

Specified by:

next in class AbstractPasswordGenerator

Returns:

the next password, null if no more available

doNext

protected String doNext()

Generates the next password.

Returns:

the next password, null if no more available