NSA Endorsed Data Encryption Standard (DES) Products List

Definition
The NSA Endorsed Data Encryption Standard (DES) Products List is a list of cryptographic produces endorsed by the National Security Agency as meeting Federal Standard 1027. These products are endorsed for use in protecting U.S. government or U.S. government-derived unclassified sensitive information during transmission. They may not be used to secure classified information.

This list is set forth in the NSA's Information Systems Security Products and Services Catalogue.