org.resoa.util
Class PasswordUtil

java.lang.Object
  org.resoa.util.PasswordUtil

public class PasswordUtil
extends java.lang.Object

Some helper stuff around password management

Author:

Wolfgang Suft

Nested Class Summary

static class

PasswordUtil.PasswordStrength Enumeration of different password strength

Field Summary

static int

LENGTH_MIN The default password minimum length

Constructor Summary

PasswordUtil()

Method Summary

static PasswordUtil.PasswordStrength	checkNewPassword(java.lang.String password) Checks a password
static PasswordUtil.PasswordStrength	checkNewPassword(java.lang.String password, int minLength) Checks a password
static boolean	compareSecrets(java.lang.String secret, java.lang.String md5Hash) Compares a secret with an existing md5Hash value
static java.lang.String	getMD5(java.lang.String secret) Generates a MD5 Hash

Methods inherited from class java.lang.Object

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

Field Detail

LENGTH_MIN

public static int LENGTH_MIN

The default password minimum length

Constructor Detail

PasswordUtil

public PasswordUtil()

Method Detail

checkNewPassword

public static PasswordUtil.PasswordStrength checkNewPassword(java.lang.String password,
                                                             int minLength)

Checks a password

Parameters:

password - the password to check

minLength - minimum lenght

Returns:

the estimated strength of the password

checkNewPassword

public static PasswordUtil.PasswordStrength checkNewPassword(java.lang.String password)

Checks a password

Parameters:

password -

Returns:

the estimated strength of the password

getMD5

public static java.lang.String getMD5(java.lang.String secret)
                               throws java.security.NoSuchAlgorithmException

Generates a MD5 Hash

Parameters:

secret -

Returns:

the MD5 string

Throws:

java.security.NoSuchAlgorithmException

compareSecrets

public static boolean compareSecrets(java.lang.String secret,
                                     java.lang.String md5Hash)
                              throws java.security.NoSuchAlgorithmException

Compares a secret with an existing md5Hash value

Parameters:

secret - the secret to check

md5Hash - the existing md5

Returns:

true if matching

Throws:

java.security.NoSuchAlgorithmException