Clipper chip

The year was 1992 and the FBI had what it considered to be a major problem on its hands.The Biggest Crypto Heists of 2022…So FarThat year, AT&T had announced the launch of something called the TSD-3600—a novel piece of privacy hardware that could encrypt voice transmissions in standard landline phones. A clunky white device that sorta resembled a walkman, the TSD—short for Telephone Security Device—digitized calls, then encrypted them using a 56-bit key. It was originally offered to business executives at $1,295…