| http://www.w3.org/ns/prov#value | - A method of causing an alarm at a receiving module in response to a command from a transmitting unit, comprising:providing, in both said transmitting unit and in said receiving module, a word including a key portion derived at least in part from a secret initial value; in said transmitting unit: performing an encryption operation on said word to provide an encrypted word; and transmitting a comman
|
