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data encryption standard

   Also found in: Dictionary/thesaurus, Medical, Financial, Acronyms, Wikipedia, Hutchinson 0.01 sec.
data encryption standard [′dad·ə en‚krip·shən ′stan·dərd]
(communications)
A cryptographic algorithm of validated strength which is in the public domain and is accepted as a standard. Abbreviated DES.
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).
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Merchants have to update their key if it is ever breached, or if they upgrade from the older Data Encryption Standard (DES) to the more secure Triple DES.
MasterCard will not permit automated encryption upgrade by Angela Moscaritolo / SC Magazine
It features a triple data encryption standard with automated random key generation transfer.
Alarm monitoring system by Security Management
Other cryptographic algorithms currently validated by the CMVP are the Data Encryption Standard (DES), the Triple Data Encryption Standard (TDES), the Digital Signature Algorithm (DSA), the Secure Hash Algorithm (SHA-1), and the Random Number Generator algorithm (RNG).
NIST validates 100th Advanced Encryption Standard implementation by Journal of Research of the National Institute of Standards and Technology
 
 
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