random byte

This is the kind of research I just love. The people from dreamlab have been busy with exploring the 27Mhz wireless technique used in keyboards from Microsoft and Logitech. The most interesting fact they found is that the encryption scheme used is at least to call trivial. They are Xoring a key against a random byte determined during the initial sync with the receiver. With only 20 to 50 keystrokes it would be possible to gain the key to decrypt the keystrokes.  read more »