Whisper System announced its partnership with Whatsapp today, saying that it will incorporate the TextSecure protocol into their clients and provide end-to-end encryption for their users by default.
On Whisper System’s official blog, the company said
The latest Android client release includes support for the TextSecure encryption protocol and billions of messages are being exchanged daily.
WhatsApp runs on an incredible number of mobile platforms, so full deployment will be an incremental process as we add TextSecure protocol support into each WhatsApp client platform. We have a ways to go until all mobile platforms are fully supported, but we are moving quickly towards a world where all WhatsApp users will get end-to-end encryption by default.
This encryption is only supported one-to-one messaging, and is yet to be implemented in Group chat or media messages.
Whisper Systems already have their own message communication app in Playstore, which will continue to develop.