org.knopflerfish.service.um.useradmin

Class PasswdUtil

java.lang.Object

org.knopflerfish.service.um.useradmin.PasswdUtil

public class PasswdUtil
extends java.lang.Object

Utility class for one-way encryption of, for example, user passwords.

Version:

$Revision: 1.1.1.1 $

Author:

Gatespace AB

Constructor Summary

Constructors

Constructor and Description
PasswdUtil()

Method Summary

Methods

Modifier and Type	Method and Description
static byte[]	digest(java.lang.String message, byte[] salt) Create a digest from salt and a message.
static byte[]	saltAndDigest(java.lang.String message, byte[] digest) Create salt and the a digest of the salt and the message.

Methods inherited from class java.lang.Object

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

Constructor Detail

PasswdUtil

public PasswdUtil()

Method Detail

saltAndDigest

public static byte[] saltAndDigest(java.lang.String message,
                   byte[] digest)

Create salt and the a digest of the salt and the message.

Parameters:

message - the message to calculate a digest for

digest - buffer to write the resulting digest to, must be at least 20 bytes long.

Returns:

the salt used when calculating the digest.

digest

public static byte[] digest(java.lang.String message,
            byte[] salt)

Create a digest from salt and a message.

Parameters:

message - the message to calculate a digest for

salt - the salt to use.

Returns:

the resulting digest, will be 20 bytes long.