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DES Last modified: Monday, September 20, 2004
Short for Data Encryption Standard, a popular symmetric-key encryption method developed in 1975 and standardized by ANSI in 1981 as ANSI X.3.92. DES uses a 56-bit key and uses the block cipher method, which breaks text into 64-bit blocks and then encrypts them. Also see Triple DES.
DRM Watch Analysis of digital rights management technology. NIST DES standard Contains the text of the Federal Information Processing Standards Publication 46-2 announcing the standard for DES.	Related Categories Digital Rights Management (DRM) Encryption Related Terms AES block cryptography symmetric-key cryptography Triple DES Shopping DES Products Compare Products,Prices and Stores Shop by Category: Wine 506 Store Offers Perfumes and Colognes 288 Store Offers Routers 214 Model Matches Magazine and Newspaper Subscriptions 413 Model Matches Firewalls 407 Model Matches