Is it possible to detect if a message has been tampered with, without using MAC (i.e. shared key) and without using a "trusted" third party (i.e. certificate authority)? I'm pretty sure it's not, but ...
Connecting via remote desktop to a Windows 7 machine today showed the last couple of seconds of a windows device installing and the "Your device is ready" popup for a Sony Xperia T. Going to ...