March 12, 2002
Practical Aspects of Modern Cryptography
58
Digital Telephony
nIn the U.S., the digitization of the nation’s telephone system was seen by law enforcement as a threat to their ability to conduct wiretaps
nIn the analog world, you just go tap a pair of wires
nIn the digital world, you need to sift out the right bits from the optical fiber.
nEven if you find the bits, they could be encrypted!