at.favre.lib.armadillo

Class FastKeyStretcher

java.lang.Object

at.favre.lib.armadillo.FastKeyStretcher

All Implemented Interfaces:

KeyStretchingFunction

public final class FastKeyStretcher
extends java.lang.Object
implements KeyStretchingFunction

This is a implementation for a key derivation function with disabled key stretching function. Using this will circumvent the brute force prevention of password hashing functions like bcrypt.

Constructor Summary

Constructors

Constructor and Description
FastKeyStretcher()

Method Summary

Modifier and Type	Method and Description
byte[]	stretch(byte[] salt, char[] password, int outLengthByte) Derives and stretches the given password with given salt to desired out length.

Methods inherited from class java.lang.Object

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

Constructor Detail

FastKeyStretcher

public FastKeyStretcher()

Method Detail

stretch

public byte[] stretch(byte[] salt,
                      char[] password,
                      int outLengthByte)

Description copied from interface: KeyStretchingFunction

Derives and stretches the given password with given salt to desired out length.

Specified by:

stretch in interface KeyStretchingFunction

Parameters:

salt - to use when deriving/stretching the password

password - to stretch

outLengthByte - required out length byte

Returns:

byte array with length of outLengthByte