SECURE RECONFIGURATION OF ENCRYPTION ALGORITHMS IN A HARDWARE DEVICE
Original Publication Date: 1997-Sep-01
Included in the Prior Art Database: 2002-Jun-05
Motorola radios that use hardware encryption devices cannot be reprogrammed to accept another algorithm once they are installed and programmed in the factory. The hardware devices used are custom and costly masked parts. To provide multi-algorithm capability and reduced cost for encryption-capable radios, a method that uses reprogrammable, low-cost devices must be sought out. One such method, described in this paper, employs the use of programmable logic arrays.