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Data Encryption Standard




(DES) The NBS's popular, standard encryption algorithm. It is a product cipher that operates on 64-bit blocks of data, using a 56-bit key.

It is defined in FIPS 46-1 (1988) (which supersedes FIPS 46 (1977)).

DES is identical to the ANSI standard Data Encryption Algorithm (DEA) defined in ANSI X3.92-1981.

DES has been implemented in VLSI.

SunOS provides a des command which can make use of DES hardware if fitted.

Neither the software nor the hardware are supposed to be distributed outside the USA.

Unix manual pages: des(1), des(3), des(4).



< Previous Terms Terms Containing Data Encryption Standard Next Terms >
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Data Encryption Algorithm
Data Encryption Key
Advanced Encryption Standard
Data Encryption Algorithm
DES
encryption
private-key cryptography
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data flow analysis
Data Flow Diagram
data fork
data frame


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