cipher block chaining
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cipher block chaining[′sī·fər ‚bläk ‚chān·iŋ]
A technique for block chaining in which each block of ciphertext is produced by adding, through the EXCLUSIVE OR operation, the previous block of ciphertext to the current block of plaintext. Abbreviated CBC.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.