2026.07.01 08:23:44 (Mastodon 116843755870654427, Twitter 2072234699288928345) from Daniel J. Bernstein:
Publicly, NSA highlighted "the fact that NSA has endorsed the use of DES for the encryption of national security-related information, including selected classified information" (https://web.archive.org/web/20220805195031/https://cryptome.org/nsa-inman-1979.pdf). Secretly, NSA said DES was "weak enough" to break: https://archive.org/details/cold_war_iii-nsa/cold_war_iii-ISCAP/page/n239/mode/2up