de.must.util

Class Crypt

java.lang.Object

de.must.util.Crypt

public class Crypt
extends java.lang.Object

Simple cryptography utility to have a framework-central class to coordinate cryptographical aspects. Before using in critical context, replace algorithm by state-of-the-art cryptography utilities.

Constructor Summary

Constructors

Constructor and Description
Crypt()

Method Summary

Modifier and Type	Method and Description
static java.lang.String	decrypt(java.lang.String phrase) Decrypts a phrase (password).
static java.lang.String	encrypt(java.lang.String phrase) Encrypts a phrase (password).
static void	setEncryptTable(java.lang.String charSequence1, java.lang.String charSequence2) Sets the encrypt table for individual needs.

Methods inherited from class java.lang.Object

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

Constructor Detail

Crypt

public Crypt()

Method Detail

setEncryptTable

public static void setEncryptTable(java.lang.String charSequence1,
                                   java.lang.String charSequence2)

Sets the encrypt table for individual needs. Both char sequences must be of the same length. Method encrypt converts chars from 1 to 2, method decrypt from 2 to 1.

Parameters:

charSequence1 - a sequence of chars as a String

charSequence2 - a different sequence of chars as a String

encrypt

public static java.lang.String encrypt(java.lang.String phrase)

Encrypts a phrase (password).

Parameters:

phrase - the phrase to encrypt

Returns:

the encrypted phrase

decrypt

public static java.lang.String decrypt(java.lang.String phrase)

Decrypts a phrase (password).

Parameters:

phrase - the phrase to decrypt

Returns:

the decrypted phrase