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.
Off-the-Record Messaging plugin for Pidgin end-of-life