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They probably released other documents earlier. This was a Spring 1996 edition of Cryptographic Quarterly. Classification automatically expires after 25 years u

They probably released other documents earlier. This was a Spring 1996 edition of Cryptographic Quarterly. Classification automatically expires after 25 years unless you can prove some of it still needs to be classified, so 30 April 2021 seems to just be the exact date this was declassified, and they couldn't have released it earlier.

jsmith45 5y ago
> They probably released other documents earlier The letter at the beginning strongly implies they did and this was just the last record responsive to the request. > they couldn't have released it earlier That is not at all clear. FOIA applies even to classified documents, to the extent that they contain responsive information not subject to classification (and which don't meet any of the other remaining FOIA exceptions). The standard appears to be "reasonable segregable material". Many classified documents (including this one) contain portions that are not classified. Large chunks of this document are paragraphs marked as unclassified, including much of the material pertinent to the FOIA request, so it is unclear to me why they would not have released the unclassified portions previously. (Unless they did, and this is a second release that includes more due to having been declassified.)