Miscellaneous Code
  Home arrow Miscellaneous Code arrow custom two-way (simple) encryption
Codewalker Forums 
  Tutorials  
Database Articles  
Miscellaneous  
Navigation Usability  
PEAR Articles  
Programming Basics  
Server Administration  
XML Tutorials  
  Reviews  
Database Book Reviews  
Linux Book Reviews  
Miscellaneous Reviews  
PHP Book Reviews  
PHP Software Reviews  
Server Admin Reviews  
SQL Tool Reviews  
  Code Gallery  
Content Management Code  
Contest Code  
Counters Code  
Database Code  
Date Time Code  
Discussion Board Code  
Email Code  
File Manipulation Code  
GUI Code  
Link Farm Code  
Miscellaneous Code  
Search Code  
Site Navigation Code  
User Management Code  
Mobile Linux 
App Generation ROI 
IBM® developerWorks 
Download TestComplete 
Forums Sitemap 
Weekly Newsletter 
 
Developer Updates  
Free Website Content 
 RSS  Articles
 RSS  Forums
 RSS  All Feeds
Write For Us Get Paid 
Request Media Kit
Contact Us 
Site Map 
Privacy Policy 
Support 
 USERNAME
 
 PASSWORD
 
 
  >>> SIGN UP!  
  Lost Password? 
MISCELLANEOUS CODE

custom two-way (simple) encryption
By: notepad
  • Search For More Articles!
  • Disclaimer
  • Author Terms
  • Rating: 5 stars5 stars5 stars5 stars5 stars / 1
    2004-05-05

    Table of Contents:

    Rate this Article: Poor Best 
      ADD THIS ARTICLE TO:
      Del.ici.ous Digg
      Blink Simpy
      Google Spurl
      Y! MyWeb Furl
    Email Me Similar Content When Posted
    Add Developer Shed Article Feed To Your Site
    Email Article To Friend
    Print Version Of Article
    PDF Version Of Article
     
     
    ADVERTISEMENT


    if security isn't an issue, and you just want to make something a little harder to read (for example, sending secret messages in image headers hehe) well, here you go.<?php

    #######################################
    # notepads uber 1337 encryption codez #
    #######################################

    $text = 'A secret.';

    if(!isset($chars))
    {
    // 3 different symbols (or combinations) for obfuscation
    // these should not appear within the original text
    $sym = array('¶', '¥xQ', '|');

    foreach(range('a','z') as $key=>$val)
    $chars[$val] = str_repeat($sym[0],($key + 1)).$sym[1];
    $chars[' '] = $sym[2];

    unset($sym);
    }

    // encrypt
    function encrypt($data)
    {
    $data = strtr(strtolower($data), $GLOBALS['chars']);
    return $data;
    }

    // decrypt
    function decrypt($data)
    {
    $charset = array_flip($GLOBALS['chars']);
    $charset = array_reverse($charset, true);

    $data = strtr($data, $charset);
    unset($charset);
    return $data;
    }

    $text = encrypt($text);
    echo 'encrypted: '.$text.'<br />';
    // echo 'decrypted: '.decrypt($text);

    ?>
    DISCLAIMER: The content provided in this article is not warranted or guaranteed by Developer Shed, Inc. The content provided is intended for entertainment and/or educational purposes in order to introduce to the reader key ideas, concepts, and/or product reviews. As such it is incumbent upon the reader to employ real-world tactics for security and implementation of best practices. We are not liable for any negative consequences that may result from implementing any information covered in our articles or tutorials. If this is a hardware review, it is not recommended to open and/or modify your hardware.

    More Miscellaneous Code Articles
    More By notepad

     

    IBM® developerWorks developerWorks - FREE Tools!


    NEW! Driving Business Success with Rational Process Library

    Join this webcast, to learn how the Rational Process Library can help with compliance issues, drive process improvement, and assist in service-oriented architecture (SOA) or Agile development. We will take a peek into the Rational Process Library with content around software and systems engineering (including RUP), operations and systems management, program and portfolio management, and asset and SOA governance.
    FREE! Go There Now!


    NEW! Download IBM Data Studio V1.1

    Visit IBM developerWorks to download the latest trial version of IBM Data Studio V1.1 at no cost. IBM Data Studio is a comprehensive data management solution that helps you effectively design, develop, deploy and manage your data, databases, and database applications throughout the data management life cycle utilizing a consistent and integrated user interface. Unlike other client-side data management solutions that focus on only one aspect of the application lifecycle or database administration, Data Studio complements the Rational Software Delivery platform, providing unparalleled flexibility for a heterogeneous data server environment across platforms.
    FREE! Go There Now!


    NEW! Hello World: Monitor a simple business process using WebSphere Business Monitor V6.0.2

    This tutorial shows new users of IBM WebSphere Business Monitor Version 6.0.2 how to perform the "Hello World" equivalent for monitoring business process applications. It is intended to help you get familiar with the capabilities of the product.
    FREE! Go There Now!


    NEW! Hello World: WebSphere Service Registry and Repository

    Manage, govern, and share services across your organization by using WebSphere Service Registry and Repository. Follow the hands-on exercises to learn how to navigate the Web interface to publish, find, reuse, and update services.
    FREE! Go There Now!


    NEW! IBM Rational Systems Development e-Kit

    As systems increase in complexity, communication between systems and software teams becomes more and more difficult. Now, there’s a way to improve product quality and communication.<br />Read the “Model Driven Systems Development” white paper to see how. Also included in this kit are more educational white papers, customer examples, tutorials, informative Webcasts, and best practices for designing, building and managing systems.<br />
    FREE! Go There Now!


    NEW! Improve your build process with IBM Rational Build Forge, Part 2: Automate builds for a real-world Tomcat project

    Learn how Rational Build Forge can extend a simple compile and package build process by adding customization and deployment capability. Go from a manual method to automating: checking for code changes; getting the latest source; compiling and packaging; customizing; copying to and restarting a deployment server; and sending e-mail notification that a new version is available.
    FREE! Go There Now!


    NEW! Project and Portfolio Management Executive Resource Kit

    Portfolio Management is about effectively managing portfolio value by aligning portfolio investments with business goals. This complimentary e-kit provides a collection of materials that can help you understand how IBM Rational enables and automates best practices for improved governance and clear visibility into portfolio and project performance across the entire IT project lifecycle.
    FREE! Go There Now!


    NEW! Test terminal-based applications with Rational Functional Tester

    Regression testing -- in which code is thoroughly tested to ensure that changes have not produced unexpected results -- is an important part of any development process. But many testing environments neglect the terminal-based applications that still form the backbone of many industries. In this tutorial, you'll learn how the Rational Functional Tester Extension for Terminal-Based Applications works with other Rational Functional Tester to help test terminal-based applications quickly and easily.
    FREE! Go There Now!


    NEW! Trial download: IBM Rational Manual Tester V7.0.1

    Try the latest version of IBM Rational Manual Tester V7.0.1 by downloading a free trial from IBM developerWorks. This manual test authoring and execution tool promotes test step reuse to reduce the impact of software change on testers and business analysts and addresses the needs of teams performing at least a portion of their testing manually.
    FREE! Go There Now!


    NEW! Whitepaper: Achieving consistency between business process models and operational guides

    Explore how Rational and WebSphere software enable enterprise documentation in SOA environments. Specifically, a new integration between IBM WebSphere® Business Modeler and IBM Rational® Method Composer software can help technical writers more easily keep enterprise operations manuals in sync with changes that are made to business processes, resulting in more accurate and timely documentation that benefits the entire enterprise.
    FREE! Go There Now!



    All FREE IBM® developerWorks Tools!

    MISCELLANEOUS CODE ARTICLES

    - A Web App Based on a Model for the CodeIgnit...
    - Completing a Model for the CodeIgniter PHP F...
    - Validating Input Data with the CodeIgniter P...
    - Deleting Database Records with the CodeIgnit...
    - Inserting Database Records with a CodeIgnite...
    - Fetching Database Rows with a Model for the ...
    - Model Data and Validation Rules for a Generi...
    - Building a Generic Model for the CodeIgniter...
    - upload image to database sql
    - Random Password Generator
    - BCroot, get the root of a number with BC fun...
    - Find pi in a high precision
    - [PHP5] FORMCHECKER : data validation
    - SPL and ITERATOR : examples
    - Xml with Rss Feeds





    © 2003-2009 by Developer Shed. All rights reserved. DS Cluster 3 Hosted by Hostway
    For more Enterprise Application Development news, visit eWeek