cz.d1x.dxcrypto.encryption.crypto

Class PBEKeyFactory

java.lang.Object

cz.d1x.dxcrypto.encryption.crypto.CryptoKeyFactory

cz.d1x.dxcrypto.encryption.crypto.PBEKeyFactory

All Implemented Interfaces:

KeyFactory<Key>

Direct Known Subclasses:

PBKDF2KeyFactory

public abstract class PBEKeyFactory
extends CryptoKeyFactory

Base for key factories that provide password-based encryption keys.

Author:

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

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	PBEKeyFactory(String algorithm, byte[] keyPassword, int keyLength, byte[] keySalt, int iterationsCount)

Method Summary

Modifier and Type	Method and Description
protected abstract String	getAlgorithmName() Gets a name of algorithm for which PBE key should be provided.
Key	getKey() Gets a key for encryption or decryption.

Methods inherited from class java.lang.Object

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

Constructor Detail

PBEKeyFactory

protected PBEKeyFactory(String algorithm,
                        byte[] keyPassword,
                        int keyLength,
                        byte[] keySalt,
                        int iterationsCount)

Method Detail

getAlgorithmName

protected abstract String getAlgorithmName()

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

Returns:

name of algorithm.

getKey

public Key getKey()
           throws EncryptionException

Description copied from interface: KeyFactory

Gets a key for encryption or decryption.

Returns:

key for encryption

Throws:

EncryptionException - possible exception if key cannot be constructed