cz.d1x.dxcrypto.encryption.crypto

Class PBKDF2KeyFactory

java.lang.Object

cz.d1x.dxcrypto.encryption.crypto.CryptoKeyFactory

cz.d1x.dxcrypto.encryption.crypto.PBEKeyFactory

cz.d1x.dxcrypto.encryption.crypto.PBKDF2KeyFactory

All Implemented Interfaces:

KeyFactory<Key>

public class PBKDF2KeyFactory
extends PBEKeyFactory

Key factory that uses PBKDF2 function with HMAC-SHA1 for key derivation.

Author:

Zdenek Obst, zdenek.obst-at-gmail.com

Constructor Summary

Constructors

Constructor and Description
PBKDF2KeyFactory(String algorithm, byte[] keyPassword, int keyLength, byte[] keySalt, int iterationsCount) Creates a new PBKDF2 key factory.

Method Summary

Modifier and Type	Method and Description
protected String	getAlgorithmName() Gets a name of algorithm for which PBE key should be provided.

Methods inherited from class cz.d1x.dxcrypto.encryption.crypto.PBEKeyFactory

getKey

Methods inherited from class java.lang.Object

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

Constructor Detail

PBKDF2KeyFactory

public PBKDF2KeyFactory(String algorithm,
                        byte[] keyPassword,
                        int keyLength,
                        byte[] keySalt,
                        int iterationsCount)

Creates a new PBKDF2 key factory.

Parameters:

algorithm - name of encryption algorithm for which key will be generated

keyPassword - password for key derivation

keySalt - salt for key derivation

iterationsCount - count of iterations for key derivation

keyLength - length of desired key

Method Detail

getAlgorithmName

protected String getAlgorithmName()

Description copied from class: PBEKeyFactory

Gets a name of algorithm for which PBE key should be provided.

Specified by:

getAlgorithmName in class PBEKeyFactory

Returns:

name of algorithm.