Patent ID: 7065655

Claim:
A method comprising: placing a first device in an enclosure; placing a second device in the enclosure; and the enclosure is comprised of a first and second compartment, wherein the first and second compartment are separated by a separation device; and placing the first device in the first compartment and the second device in the second compartment; sealing the enclosure while the first device and the second device are in the enclosure; causing the first device to exchange a key with the second device while the first device and the second device are in the enclosure and while the enclosure is sealed; removing the first device and the second device from the enclosure after the key exchange; and using the key to allow the first device and the second device to communicate with each other using methods of encryption; wherein the enclosure is coated with a filtering material, wherein the filtering material of the enclosure prevents electromagnetic radiation of a particular bandwidth from escaping from the enclosure.