data confidentiality service
(I) A security service that protects data against unauthorized
disclosure. (See: access control, data confidentiality, datagram
confidentiality service, flow control, inference control.)
Deprecated Usage: IDOCs SHOULD NOT use this term as a synonym for
"privacy", which is a different concept.
$ Data Encryption Algorithm (DEA)
(N) A symmetric block cipher, defined in the U.S. Government’s
DES. DEA uses a 64-bit key, of which 56 bits are independently
chosen and 8 are parity bits, and maps a 64-bit block into another
64-bit block. [FP046] (See: AES, symmetric cryptography.)
Usage: This algorithm is usually referred to as "DES". The
algorithm has also been adopted in standards outside the
Government (e.g., [A3092]).
data confidentiality service
(I) A security service that protects data against unauthorized
disclosure. (See: access control, data confidentiality, datagram
confidentiality service, flow control, inference control.)
Deprecated Usage: IDOCs SHOULD NOT use this term as a synonym for
"privacy", which is a different concept.
$ Data Encryption Algorithm (DEA)
(N) A symmetric block cipher, defined in the U.S. Government’s
DES. DEA uses a 64-bit key, of which 56 bits are independently
chosen and 8 are parity bits, and maps a 64-bit block into another
64-bit block. [FP046] (See: AES, symmetric cryptography.)
Usage: This algorithm is usually referred to as "DES". The
algorithm has also been adopted in standards outside the
Government (e.g., [A3092]).
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