Package net.lingala.zip4j.crypto.PBKDF2

Class PBKDF2Engine

java.lang.Object

net.lingala.zip4j.crypto.PBKDF2.PBKDF2Engine

public class PBKDF2Engine
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
protected PBKDF2Parameters	parameters
protected net.lingala.zip4j.crypto.PBKDF2.PRF	prf

Constructor Summary

Constructors

Constructor	Description
PBKDF2Engine()
PBKDF2Engine(PBKDF2Parameters parameters)
PBKDF2Engine(PBKDF2Parameters parameters, net.lingala.zip4j.crypto.PBKDF2.PRF prf)

Method Summary

Modifier and Type	Method	Description
protected void	_F(byte[] dest, int offset, net.lingala.zip4j.crypto.PBKDF2.PRF prf, byte[] S, int c, int blockIndex)
protected void	assertPRF(byte[] P)
protected int	ceil(int a, int b)
byte[]	deriveKey(char[] inputPassword)
byte[]	deriveKey(char[] inputPassword, int dkLen)
PBKDF2Parameters	getParameters()
net.lingala.zip4j.crypto.PBKDF2.PRF	getPseudoRandomFunction()
protected void	INT(byte[] dest, int offset, int i)
protected byte[]	PBKDF2(net.lingala.zip4j.crypto.PBKDF2.PRF prf, byte[] S, int c, int dkLen)
void	setParameters(PBKDF2Parameters parameters)
void	setPseudoRandomFunction(net.lingala.zip4j.crypto.PBKDF2.PRF prf)
boolean	verifyKey(char[] inputPassword)
protected void	xor(byte[] dest, byte[] src)

Methods inherited from class java.lang.Object

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

Field Detail

parameters

protected PBKDF2Parameters parameters

prf

protected net.lingala.zip4j.crypto.PBKDF2.PRF prf

Constructor Detail

PBKDF2Engine

public PBKDF2Engine()

PBKDF2Engine

public PBKDF2Engine(PBKDF2Parameters parameters)

PBKDF2Engine

public PBKDF2Engine(PBKDF2Parameters parameters,
                    net.lingala.zip4j.crypto.PBKDF2.PRF prf)

Method Detail

deriveKey

public byte[] deriveKey(char[] inputPassword)

deriveKey

public byte[] deriveKey(char[] inputPassword,
                        int dkLen)

verifyKey

public boolean verifyKey(char[] inputPassword)

assertPRF

protected void assertPRF(byte[] P)

getPseudoRandomFunction

public net.lingala.zip4j.crypto.PBKDF2.PRF getPseudoRandomFunction()

PBKDF2

protected byte[] PBKDF2(net.lingala.zip4j.crypto.PBKDF2.PRF prf,
                        byte[] S,
                        int c,
                        int dkLen)

ceil

protected int ceil(int a,
                   int b)

_F

protected void _F(byte[] dest,
                  int offset,
                  net.lingala.zip4j.crypto.PBKDF2.PRF prf,
                  byte[] S,
                  int c,
                  int blockIndex)

xor

protected void xor(byte[] dest,
                   byte[] src)

INT

protected void INT(byte[] dest,
                   int offset,
                   int i)

getParameters

public PBKDF2Parameters getParameters()

setParameters

public void setParameters(PBKDF2Parameters parameters)

setPseudoRandomFunction

public void setPseudoRandomFunction(net.lingala.zip4j.crypto.PBKDF2.PRF prf)