cryptanalysis, gchq, history of cryptography, Security technology, Uncategorized
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Category: history of cryptography
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cryptography, encryption, history of cryptography, Security technology, Uncategorized
This is a neat piece of historical research. The team of computer scientist George Lasry, pianist Norbert Biermann and astrophysicist Satoshi Tomokiyo—all keen cryptographers—initially thought the batch of encoded documents related to Italy, because that was how they were filed at the Bibliothèque Nationale de France. However, they quickly realised the letters were in French. … Read More “Mary Queen of Scots Letters Decrypted” »
cryptanalysis, encryption, history of cryptography, Security technology, spain, Uncategorized
Diplomatic code cracked after 500 years: In painstaking work backed by computers, Pierrot found “distinct families” of about 120 symbols used by Charles V. “Whole words are encrypted with a single symbol” and the emperor replaced vowels coming after consonants with marks, she said, an inspiration probably coming from Arabic. In another obstacle, he used … Read More “Charles V of Spain Secret Code Cracked” »
books, history of cryptography, Security technology, Uncategorized
Gus Simmons is an early pioneer in cryptography and computer security. I know him best for his work on authentication and covert channels, specifically as related to nuclear treaty verification. His work is cited extensively in Applied Cryptography. He has written a memoir of growing up dirt-poor in 1930s rural West Virginia. I’m in the … Read More “Gus Simmons’s Memoir” »
encryption, history of cryptography, Security technology, Uncategorized
Jon D. Paul has written the fascinating story of the HX-63, a super-complicated electromechanical rotor cipher machine made by Crypto AG. Powered by WPeMatico
cryptanalysis, cryptography, foia, history of cryptography, military, nsa, Security technology, Uncategorized
Late last year, the NSA declassified and released a redacted version of Lambros D. Callimahos’s Military Cryptanalytics, Part III. We just got most of the index. It’s hard to believe that there are any real secrets left in this 44-year-old volume. Powered by WPeMatico
cryptography, foia, history of cryptography, nsa, Security technology, Uncategorized
This is a newly unclassified NSA history of its reaction to academic cryptography in the 1970s: “NSA Comes Out of the Closet: The Debate over Public Cryptography in the Inman Era,” Cryptographic Quarterly, Spring 1996, author still classified. Powered by WPeMatico
cryptanalysis, history of computing, history of cryptography, Security technology, Uncategorized, video
Nice video of a talk by Chris Shore on the history of Colossus. Powered by WPeMatico