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Data Encryption Standard

(D-E-S)

A symmetric-key encryption algorithm that uses a 56-bit key to operate on 64-bit data blocks. It was developed in 1975 and turned into a standard in 1981. DES is becoming old and replacements for it are under consideration.

More Information

Last Changed: Saturday, January 21, 2006
Navigation: Computer Knowledge Home :: Terms :: D :: DES