org.picketlink.idm.credential.encoder

Class PBKDF2PasswordEncoder

java.lang.Object

org.picketlink.idm.credential.encoder.PBKDF2PasswordEncoder

All Implemented Interfaces:

PasswordEncoder

public class PBKDF2PasswordEncoder
extends Object
implements PasswordEncoder

Implementation of PasswordEncoder that uses PBKDF2

Since:

June 18, 2013

Author:

Anil Saldhana

Field Summary

Fields

Modifier and Type	Field and Description
static String	ALGO

Constructor Summary

Constructors

Constructor and Description
PBKDF2PasswordEncoder(byte[] salt, int iterationCount, int keyLength)

Method Summary

Modifier and Type	Method and Description
String	encode(String rawPassword) Encodes given password.
String	encode(String rawPassword, byte[] salt, boolean appendSalt)
protected byte[]	fromHex(String hex) Converts a string of hexadecimal characters into a byte array.
protected String	generateSalt()
protected String	toHex(byte[] array) Converts a byte array into a hexadecimal string.
boolean	verify(String rawPassword, String encodedPassword) Checks if the rawPassword and encodedPassword matches.

Methods inherited from class java.lang.Object

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

Field Detail

ALGO

public static final String ALGO

See Also:

Constant Field Values

Constructor Detail

PBKDF2PasswordEncoder

public PBKDF2PasswordEncoder(byte[] salt,
                             int iterationCount,
                             int keyLength)

Method Detail

encode

public String encode(String rawPassword)

Description copied from interface: PasswordEncoder

Encodes given password.

Specified by:

encode in interface PasswordEncoder

Returns:

encode

public String encode(String rawPassword,
                     byte[] salt,
                     boolean appendSalt)

verify

public boolean verify(String rawPassword,
                      String encodedPassword)

Description copied from interface: PasswordEncoder

Checks if the rawPassword and encodedPassword matches.

Specified by:

verify in interface PasswordEncoder

Returns:

fromHex

protected byte[] fromHex(String hex)

Converts a string of hexadecimal characters into a byte array.

Parameters:

hex - the hex string

Returns:

the hex string decoded into a byte array

toHex

protected String toHex(byte[] array)

Converts a byte array into a hexadecimal string.

Parameters:

array - the byte array to convert

Returns:

a length*2 character string encoding the byte array

generateSalt

protected String generateSalt()