DES modes of operation
Subtitle: category, ADP operations ; subcategory, computer-security.
Contributors: United States. National Bureau of Standards.
Series: Federal information processing standards publication -- 81.
Publisher: U.S. Dept. of Commerce, National Bureau of Standards; For sale by National Technical Information Service
Published: 1981
Place of publication: Washington, D.C; Springfield, VA
Language: eng
Number of pages: 26
Subjects: Computers -- United States -- Access control.; Electronic data processing departments -- Security measures.
Other titles: D.E.S. modes of operation: category, A.D.P. operations; subcategory, computer security.
Notes: Cover title.

"1980 December 2."