- **Encryption**<br /> No one else can read your instant messages. - **Authentication**<br /> You are assured the correspondent is who you think it is. - **Deniability**<br /> 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 seesare authentic and unmodified. - **Perfect forward secrecy**<br /> If you lose control of your private keys, no previous conversation is compromised.
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 are authentic and unmodified.
