LICENSE

# Licensing and Usage

Several people have asked me about licensing issues, and whether it is possible to use this version of DES in a commercial or personal application. This page tries to answer that question, and also shows known places where this DES algorithm is being used.

# Licensing
The Javascript version of DES is based on a C version written and copyrighted by Eric Young as part of his SSL implementation. I went line by line through the C code, also following an in-depth description of the algorithm from another publication, and slowly built up the Javascript version. So as far as I am concerned the Javascript, Perl and PHP versions can be used in any way you would like, though I would like to be informed of any commercial usage. But I don't know if there are any other licensing implications. I would be very pleased if someone legally minded could [tell me](http://www.tero.co.uk/home/contact.php).

# Usage
I only started doing this in August 2008 so it's not complete. Please [send me](http://www.tero.co.uk/home/contact.php) any other uses you find.

Encryptadoro - a widget for the Mac OS X dashboard for encrypting passwords
Omerta - for encrypting and decrypting messages
[DES Password Pro] - for creating multiple user Javascript login forms
[e-Will] - a safe way to send messages to friends in case something happens to you (added 31/8/2008)
Klepshydra - Mac widget for encrypting messages (added 7/9/2009)
Joomla Encryption Configuration - a Joomla extension for encrypting passwords and other data in your component (added 5/6/2010)

The project site: [http://www.tero.co.uk/des/usage.php](http://www.tero.co.uk/des/usage.php)

[DES Password Pro]: http://www.rustyspigot.com/webmasters/DESPasswordPro/
[e-Will]: http://e-will.appspot.com/