Musical Ciphers
April 2, 2018 encryption, historyofcryptography, music, Security technology Read more >
Student Cracks Inca Knot Code
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January 18, 2018 academicpapers, historyofcryptography, Security technology Read more >
The Women of Bletchley Park
Really good article about the women who worked at Bletchley Park during World War II, breaking German Enigma-encrypted messages.
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June 29, 2017 enigma, historyofcomputing, historyofcryptography, Security technology, uk, war Read more >
NSA Documents from before 1930
Here is a listing of all the documents that the NSA has in its archives that are dated earlier than 1930.
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March 21, 2017 foia, historyofcryptography, historyofsecurity, nsa, Security technology Read more >
Friedman Comments on Yardley
This is William Friedman’s highly annotated copy of Herbert Yardley’s book, The American Black Chamber.
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March 20, 2017 books, cryptography, historyofcryptography, historyofsecurity, nationalsecuritypolicy, Security technology Read more >
Enigma Machine Sold for Almost Half a Million Dollars
December 9, 2016 encryption, enigma, historyofcryptography, Security technology Read more >
Voynich Manuscript Facsimile Published
Yale University Press has published a facsimile of the Voynich Manuscript.
The manuscript is also available online.
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December 5, 2016 cryptography, historyofcryptography, Security technology Read more >
Viking Runes as Encryption in the 1500s
This is an interesting historical use of viking runes as a secret code. Yes, the page is all in Finnish. But scroll to the middle. There’s a picture of the Stockholm city police register from 1536, about a married woman who was found with someone who was not her husband. The recording scribe “encrypted” her name and home address using runes.
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January 12, 2015 encryption, historyofcryptography, Security technology Read more >
New Kryptos Clue
Jim Sanborn has given the world another clue to the fourth cyphertext in his Kryptos sculpture at the CIA headquarters.
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November 24, 2014 cia, cryptanalysis, cryptography, encryption, historyofcryptography, Security technology Read more >
Enigma Simulator
October 30, 2014 encryption, enigma, historyofcryptography, Security technology Read more >