Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

News & Updates

Stay informed as the Information Technology Laboratory’s Cybersecurity and Privacy Program releases publications, schedules virtual and in-person events, and announces other important developments.

Subscribe to our email updates.

Visit these additional NIST sites to learn more about:

  • NVD: National Vulnerability Database news and status updates
  • NICE: National Initiative for Cybersecurity Education news and events
  • NCCoE: National Cybersecurity Center of Excellence news and events
  • NIST-wide cybersecurity and privacy news and events
 
Showing 1 matching records.
Revision of FIPS 46-1 DES as FIPS 46-2
December 30, 1993

This notice announces that Federal Information Processing Standard (FIPS) 46-1, Data Encryption Standard, has been revised and that the Data Encryption Algorithm specified by the standard has been reaffirmed for five years.

* "Relevance" merely indicates the search engine's score for a document. It is based on the search parameters and information in the document's detailed record.