org.dlese.dpc.schemedit.security.login

Class Utils

java.lang.Object

org.dlese.dpc.schemedit.security.login.Utils

public class Utils
extends java.lang.Object

Utility methods for com.myjaas.auth.*. All the methods in here are static so Utils should never be instantiated.

Version:

1.0.3

Author:

Andy Armstrong, andy@tagish.com

Method Summary

Modifier and Type	Method and Description
static char[]	cryptPassword(char[] pwd) Perform MD5 hashing on the supplied password and return a char array containing the encrypted password as a printable string.
static void	smudge(byte[] pwd) Zero the contents of the specified array.
static void	smudge(char[] pwd) Zero the contents of the specified array.

Methods inherited from class java.lang.Object

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

Method Detail

smudge

public static void smudge(char[] pwd)

Zero the contents of the specified array. Typically used to erase temporary storage that has held plaintext passwords so that we don't leave them lying around in memory.

Parameters:

pwd - the array to zero

smudge

public static void smudge(byte[] pwd)

Zero the contents of the specified array.

Parameters:

pwd - the array to zero

cryptPassword

public static char[] cryptPassword(char[] pwd)
                            throws java.lang.Exception

Perform MD5 hashing on the supplied password and return a char array containing the encrypted password as a printable string. The hash is computed on the low 8 bits of each character.

Parameters:

pwd - The password to encrypt

Returns:

a character array containing a 32 character long hex encoded MD5 hash of the password

Throws:

java.lang.Exception