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Cryptologic History

Every little bit helps the NCF to influence the cryptologic future by sharing our educational resources, stimulating new knowledge, and commemorating our heritage.

"On This Date in Cryptologic History" Calendar

1976: Data Encryption Standard Approved

Sunday, November 23, 2025

23 November 1976: The Data Encryption Standard (DES) was approved as the federal standard for all unclassified government communications.

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Learn About the Pioneers

Learn about the various individuals and groups who paved the way in the field of cryptology, cyber, computers, and more.