at.favre.lib.armadillo

Class DerivedPasswordCache.Default

java.lang.Object

at.favre.lib.armadillo.DerivedPasswordCache.Default

All Implemented Interfaces:

DerivedPasswordCache

Enclosing interface:

DerivedPasswordCache

public static final class DerivedPasswordCache.Default
extends java.lang.Object
implements DerivedPasswordCache

Standard implementation of DerivedPasswordCache

Nested Class Summary

Nested classes/interfaces inherited from interface at.favre.lib.armadillo.DerivedPasswordCache

DerivedPasswordCache.Default

Constructor Summary

Constructors

Constructor and Description
Default(boolean enabled, java.security.SecureRandom secureRandom)

Method Summary

Modifier and Type	Method and Description
byte[]	get(byte[] salt, char[] rawData) Get the derived bytes from given salt and password.
void	put(byte[] salt, char[] rawData, byte[] value) Put a new stretched password with given salt in the cache
void	wipe() Overwrite and remove whole cache

Methods inherited from class java.lang.Object

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

Constructor Detail

Default

public Default(boolean enabled,
               java.security.SecureRandom secureRandom)

Method Detail

get

public byte[] get(byte[] salt,
                  char[] rawData)

Description copied from interface: DerivedPasswordCache

Get the derived bytes from given salt and password.

Specified by:

get in interface DerivedPasswordCache

Parameters:

salt - the used salt for the stretching function - key part 2 of the internal key-value storage

rawData - the used password - key part 2 of the internal key-value storage

Returns:

the cached bytes or null of not found

put

public void put(byte[] salt,
                char[] rawData,
                byte[] value)

Description copied from interface: DerivedPasswordCache

Put a new stretched password with given salt in the cache

Specified by:

put in interface DerivedPasswordCache

Parameters:

salt - the used salt for the stretching function - key part 2 of the internal key-value storage

rawData - the used password - key part 2 of the internal key-value storage

value - the stretched bytes

wipe

public void wipe()

Description copied from interface: DerivedPasswordCache

Overwrite and remove whole cache

Specified by:

wipe in interface DerivedPasswordCache