Monocypher - data encryption and decryption
Monocypher is an open-source BSD licensed project that has great data encryption and decryption capability for embedded systems. Here is a short simple engineer view on how to make it work. Version of Monocypher in this blog post is 3.1.2 Sequence diagram In the image is a sequence diagram that described how to securely exchange data works in one way from server to client.
