(*) A division of a message as prescribed for security reasons. The operating instructions for certain cryptosystems prescribe the number of groups which may be encrypted in the systems, using a single message indicator. Cryptoparts are identified in plain language. They are not to be confused with message parts.
CRYPTOPART
Meaning of CRYPTOPART in English
DOD English dictionary of military terms. Английский словарь военных терминов DOD. 2012