At Open Whisper Systems, our goal is to make private communication simple. For the past three years, we’ve been developing a modern, open source, strong encryption protocol (https://whispersystems.org/blog/advanced-ratcheting/) for asynchronous messaging systems, designed to make seamless end-to-end encrypted messaging possible.

Today we’re excited to publicly announce a partnership with WhatsApp, the most popular messaging app in the world, to incorporate the TextSecure protocol into their clients and provide end-to-end encryption for their users by default.

    Read more...