Package net.lingala.zip4j.crypto.PBKDF2

Class PBKDF2Engine

java.lang.Object

net.lingala.zip4j.crypto.PBKDF2.PBKDF2Engine

public class PBKDF2Engine
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field	Description
private PBKDF2Parameters	parameters
private PRF	prf

Constructor Summary

Constructors

Constructor	Description
PBKDF2Engine(PBKDF2Parameters parameters)
PBKDF2Engine(PBKDF2Parameters parameters, PRF prf)

Method Summary

Modifier and Type	Method	Description
private void	_F(byte[] dest, int offset, PRF prf, byte[] S, int c, int blockIndex)
private void	assertPRF(byte[] P)
private int	ceil(int a, int b)
byte[]	deriveKey(char[] inputPassword, int dkLen, boolean useUtf8ForPassword)
PBKDF2Parameters	getParameters()
protected void	INT(byte[] dest, int offset, int i)
private byte[]	PBKDF2(PRF prf, byte[] S, int c, int dkLen)
void	setParameters(PBKDF2Parameters parameters)
void	setPseudoRandomFunction(PRF prf)
private 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

private PBKDF2Parameters parameters

prf

private PRF prf

Constructor Detail

PBKDF2Engine

public PBKDF2Engine(PBKDF2Parameters parameters)

PBKDF2Engine

public PBKDF2Engine(PBKDF2Parameters parameters,
                    PRF prf)

Method Detail

deriveKey

public byte[] deriveKey(char[] inputPassword,
                        int dkLen,
                        boolean useUtf8ForPassword)

assertPRF

private void assertPRF(byte[] P)

PBKDF2

private byte[] PBKDF2(PRF prf,
                      byte[] S,
                      int c,
                      int dkLen)

ceil

private int ceil(int a,
                 int b)

_F

private void _F(byte[] dest,
                int offset,
                PRF prf,
                byte[] S,
                int c,
                int blockIndex)

xor

private 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(PRF prf)