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.
•E-mail this definition to a colleague• For internet.com pages about DES . Also check out the following links! 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.	Digital Rights Management (DRM) Encryption AES block cryptography symmetric-key cryptography Triple DES Give Us Your Feedback Shopping DES Products Compare Products,Prices and Stores Shop by Category: Wine 47 Store Offers Perfumes and Colognes 80 Store Offers Routers 204 Model Matches Firewalls 277 Model Matches Magazine and Newspaper Subscriptions 238 Model Matches