de.mhus.lib.core

Class MPassword

java.lang.Object

de.mhus.lib.core.MPassword

public class MPassword
extends Object

Decode / Encode passwords. Attention: This do not give security in any way. It's only a way to deny reading the password from the screen. No algorithm will give you security in this case. Only one way algorithm is more secure. The password is not allowed to start with a ":". Only the encoded password will start with a ":" followed by the algorithm version and the encoded password.

Version:

$Id: $Id

Author:

mhu

Constructor Summary

Constructors

Constructor and Description
MPassword()

Method Summary

Modifier and Type	Method and Description
static String	decode(String in) Decode a encoded password.
static String	encode(int method, String in) encode.
static String	encode(String in) Encode a password string be aware of special characters like umlaute.
static String	encodePasswordMD5(String real) encodePasswordMD5.
static String	generate(int length, char[] symbols, int symbolLength) generate.
static String	generate(int min, int max, boolean upper, boolean numbers, boolean specials) generate.
static boolean	isEncoded(String in) isEncoded.
static void	main(String[] args) main.
static String	sha1(String... input) sha1.

Methods inherited from class java.lang.Object

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

Constructor Detail

MPassword

public MPassword()

Method Detail

encode

public static String encode(String in)

Encode a password string be aware of special characters like umlaute. This can cause problems.

Parameters:

in - a String object.

Returns:

a String object.

encode

public static String encode(int method,
                            String in)

encode.

Parameters:

method - a int.

in - a String object.

Returns:

a String object.

isEncoded

public static boolean isEncoded(String in)

isEncoded.

Parameters:

in - a String object.

Returns:

a boolean.

decode

public static String decode(String in)

Decode a encoded password.

Parameters:

in - a String object.

Returns:

a String object.

encodePasswordMD5

public static String encodePasswordMD5(String real)

encodePasswordMD5.

Parameters:

real - a String object.

Returns:

a String object.

sha1

public static String sha1(String... input)
                   throws NoSuchAlgorithmException

sha1.

Parameters:

input - a String object.

Returns:

a String object.

Throws:

NoSuchAlgorithmException - if any.

main

public static void main(String[] args)

main.

Parameters:

args - an array of String objects.

generate

public static String generate(int min,
                              int max,
                              boolean upper,
                              boolean numbers,
                              boolean specials)

generate.

Parameters:

min - a int.

max - a int.

upper - a boolean.

numbers - a boolean.

specials - a boolean.

Returns:

a String object.

generate

public static String generate(int length,
                              char[] symbols,
                              int symbolLength)

generate.

Parameters:

length - a int.

symbols - an array of char.

symbolLength - a int.

Returns:

a String object.