Off the record

A dear friend pointed me to this fine plugin and I want to share it with you.
Enter OTR. Off the Record messaging. This plugin aims to protect your privacy, making sure no traces of your conversation are left on your computer.

Quoting from the site:

Off-the-Record (OTR) Messaging allows you to have private conversations over instant messaging by providing:

Encryption
No one else can read your instant messages.
Authentication
You are assured the correspondent is who you think it is.
Deniability
The messages you send do not have digital signatures that are checkable by a third party. Anyone can forge messages after a conversation to make them look like they came from you. However, during a conversation, your correspondent is assured the messages he sees are authentic and unmodified.
Perfect forward secrecy
If you lose control of your private keys, no previous conversation is compromised.

The plugin is available for GNU/Linux (several distributions), Windows and OSX users using gaim and Adium (and Trillian, I think.)
For Debian, I just did apt-get install otr-gaim and it was fetched from the repositories and installed without a glitch.

This is a very fine tool for those concerned with their privacy, especially if you are sharing a computer (ex, work environment).


Update: October 13th:
Newsforge is running a very nice article about this plugin and general privacy in IM's. Don't miss it.