NSA “Declassified” Publicly Available Text on Cryptology






Last month the National Security Agency announced the declassification of various historic records as evidence of its “commitment to meeting the requirements” of President Obama’s policy on openness and transparency.  Among the newly declassified records was a 200 year old publication on cryptology.  (“NSA Declassifies 200 Year Old Report,” Secrecy News, June 9, 2011.)

NSA listed the 1809 study as a “highlight” of the new releases in a press statement, and the National Archives featured it in a promotional blog posting.  But upon inspection, it turns out that the newly released document was already in the public domain and freely available online.

Instead of providing cause for celebration or congratulation, the NSA “release” is a disturbing sign of futility and irrelevance in the nation’s declassification program.

The June 8 NSA press statement hailed the disclosure of “early publications on cryptography, including ‘Cryptology: Instruction Book on the Art of Secret Writing’ from 1809.  In fact, the document is a German work and its real title is “Kryptographik: Lehrbuch der Geheimschreibekunst…” by Johann Ludwig Klüber (1762-1837), who was the first Professor of Law at the University of Heidelberg.

According to a June 14 blog post by James Rush of the National Archives, this work was among the German government records that were seized by U.S. forces after the defeat of Germany in World War II, and it found its way into U.S. intelligence files.

Though the NSA press statement seemed to indicate that the full publication was being disclosed, the material that was released by NSA was actually just a 40 page abstract and excerpt of the author’s much longer work.  A copy of what was transferred to the National Archives is now posted here (pdf)....



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