key auto-key cipher

key auto-key cipher

[′kē ′ȯd·ō ‚kē ‚sī·fər]
(communications)
A stream cipher in which the cryptographic bit stream generated at a given time is determined by the cryptographic bit stream generated at earlier times.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.