The CSS in the proposal is implemented on an app level, like Whatsapp or Signal does the detection before sending the encrypted message, not at the OS level.
If you use an app that connects to your own xmpp server, there will be no snopping.
Same if you encrypt your message and post it in Whatsapp.
alt Hacker News
The CSS in the proposal is implemented on an app level, like Whatsapp or Signal does the detection before sending the encrypted message, not at the OS level.
If you use an app that connects to your own xmpp server, there will be no snopping.
Same if you encrypt your message and post it in Whatsapp.