For some apps, user privacy is a top priority, and AppFriends supports that with an end-to-end encryption extension. This extension can be added to AppFriends by providing an implementation of AFEncryptionDelegate. An example of AFEncryptionDelegate implementation can be found here.

In the sample implementation we used Virgil, which is encryption service provider. Please refer to this article for details on how to using Virgil to secure AppFriends chat communication.