A good approach to implement end-to-end encryption for a groupchat application in Node.js?

I’m experimenting with a self-made groupchat application, similar to Slack. It currently has the notion of public channels, private channels and one-to-one channels, all using a common datastructure ‘room’. To implement this application I’… Continue reading A good approach to implement end-to-end encryption for a groupchat application in Node.js?