org.linguafranca.pwdb.security

Class Argon2

java.lang.Object

org.linguafranca.pwdb.security.Argon2

All Implemented Interfaces:

KeyDerivationFunction

public class Argon2
extends Object
implements KeyDerivationFunction

KDBX V4 files may use Argon2 for key derivation.

A singleton

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Argon2.VariantDictionaryKeys keys into the variant dictionary supplied as a KDBX header

Method Summary

Modifier and Type	Method and Description
VariantDictionary	createKdfParameters() Create default KDF parameters
static Argon2	getInstance()
UUID	getKdfUuid() The UUID of this key derivation function
String	getName() Get a name
byte[]	getTransformedKey(byte[] digest, VariantDictionary argonParameterKeys) Transform a key using this key derivation function

Methods inherited from class java.lang.Object

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

Method Detail

getInstance

public static Argon2 getInstance()

getKdfUuid

public UUID getKdfUuid()

Description copied from interface: KeyDerivationFunction

The UUID of this key derivation function

Specified by:

getKdfUuid in interface KeyDerivationFunction

getName

public String getName()

Description copied from interface: KeyDerivationFunction

Get a name

Specified by:

getName in interface KeyDerivationFunction

getTransformedKey

public byte[] getTransformedKey(byte[] digest,
                                VariantDictionary argonParameterKeys)

Description copied from interface: KeyDerivationFunction

Transform a key using this key derivation function

Specified by:

getTransformedKey in interface KeyDerivationFunction

Parameters:

digest - the key to transform

argonParameterKeys - the parameters defining the way the transformation is to be carried out

Returns:

a transformed key

createKdfParameters

public VariantDictionary createKdfParameters()

Description copied from interface: KeyDerivationFunction

Create default KDF parameters

Specified by:

createKdfParameters in interface KeyDerivationFunction