data, using a 56-bit key. It is defined in
FIPS 46-1 (1988)
(which supersedes FIPS 46 (1977)). DES is identical to the
ANSI X3.92-1981.
DES has been implemented in
VLSI.
SunOS provides a des
command which can make use of DES hardware if fitted. Neither
the software nor the hardware are supposed to be distributed
outside the USA.
(1994-12-06)