encipherment

The encipherment table or “key register” was subsequently changed, though American code breakers gradually cracked it again.

Sea of Thunder Evan Thomas 2006

The encipherment table or “key register” was subsequently changed, though American code breakers gradually cracked it again.

Sea of Thunder Evan Thomas 2006

To be on the safe side, the messages were super-encrypted with a 256-bit system specially made at the National Security Agency, and the double-encipherment was so complex that even NSA's own bank of supercomputers could only crack it with difficulty and after a lot of expensive time.

The Bear and the Dragon Clancy, Tom, 1947- 2000

The duplication of channels, their known function, the brevity of the message, and the identical encipherment pattern told the Soviets much, even before the receipted signal was input into their computers.

The Sum of all Fears Clancy, Tom, 1947- 1991

"We're not sure, but probably an encipherment algorithm."

Clear and Present Danger Clancy, Tom, 1947- 1989

A pad was unmistakably for the purpose of encipherment, but a book looked quite innocent.

The Key to Rebecca Follett, Ken, 1949- 1980

What's really clever is that the system is based on an independent input signal that's unique to the individual transmission-over and above the encipherment algorithm that's already built into the system. "

Clear and Present Danger Clancy, Tom, 1947- 1989