William F Friedman / Index of Coincidence and Its Applications 1st Edition 1921

William F Friedman / Index of Coincidence and Its Applications 1st Edition 1921


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Author:Friedman, William F.]; [Cartier, General
Publisher:Imprimerie-Librairie Militaire Universelle, L. Fournier
Year Printed:1921
Special Attributes:1st Edition
Binding:Softcover, Wraps
Language:English
Subject:History
Original/Facsimile:Original

MOST IMPORTANT SINGLE PUBLICATION IN CRYPTOLOGYThe Index of Coincidence and Its Applications in Cryptography : Publication No. 22 WITH L’indice de coïncidence et ses applications en cryptographie Publication No 22 (Traduction Francaise). [together 2 Volumes, Riverbank Publication] Author: [Friedman, William F.]; [Cartier, General] Title: The Index of Coincidence and Its Applications in Cryptography : Publication No. 22 WITH L’indice de coïncidence et ses applications en cryptographie Publication No 22 (Traduction Francaise). [together 2 Volumes, Riverbank Publication] Publication: Paris: Imprimerie-Librairie Militaire Universelle, L. Fournier 1921 Edition: First Edition Description: Publication No 22 (English): 87 pages; WITH Publication No 22 (French): 91 pages. Together 2 volumes. Lacks the rare English and French 8 page appendix inserts. Publisher’s stiff tan wrappers with black printed front cover duplicating title page. Hinges reinforced with white linen tape (as issued). Self wraps, printed titles in black on front cover. Clean copies with a touch of wear and edgewear, and minor browning to the extremities. English edition has creasing to the rear cover and has been read (some spine slant). Near Fine. Wraps. A restricted publication not publicly available at the time of issue, it appears in a few institutional collections, but is rarely found on the market.’Riverbank Publication No. 22, written in 1920 when Friedman was 28, must be regarded as the MOST IMPORTANT SINGLE PUBLICATION IN CRYPTOLOGY. It took the science into a new world…it described the solution of two complicated cipher systems. Friedman however, was less interested in proving their vulnerability than he was in using them as a vehicle for new methods of cryptanalysis. Fabyan had the pamphlet printed in France in 1922 to save money. General Cartier saw it and thought so highly of it that he had it translated and published forthwith – false-dating it “1921” to make it appear as if the French work had come first! In it, Friedman devised two new techniques. One was brilliant. It permitted him to reconstruct a primary cipher alphabet without having to quess at a single plainletter text. But the other was profound. For the first time in cryptology, Friedman treated a frequency distribution as an entity, as a curve whose several points were causally related, not as just a collection of individual letters that happen to stand in a certain order for noncausal (historical) reasons, and to this curve he applied statistical concepts. The results can only be described as Promethean, for Friedman’s stroke of genius inspired the numerous, varied, and vital statistical tools that are indispensable to the cryptology of today. … This is why Friedman has said, in looking back over his career, that The Index of Coincidence was his greatest single creation. It alone would have won him his reputation. But in fact it was only the beginning.’ (Kahn) Galland notes ‘This work bears imprint 1922, but antedates the French translation noted below [1921]; reprinted later but also with imprint 1922. The study was completed in 1920.’ Galland also notes Riverbank Laboratories as the imprint but we’ve chosen to note the imprint as it appears on the actual item.Authorship attribution from Galland. LITERATURE:J.S. Galland, J. S., “An Historical and Analytical Bibliography of Cryptology”, page 68.Kahn, The CodeBreakers, 1996, p376-384Shulman, An Annotated Bibliography of Cryptography, 1976, pp 84-5 (noting that the French translation was by General Cartier rather than arranged by him, and noting that both were printed in Paris by Col. Fabyan as anonymous publications). Seller ID: 29056 Subject: Cryptography & Cryptology, History of Communication, History of Computing Kuenzig Books Topsfield MA USA Since 1996 Kuenzig Books has bought and sold rare and/or interesting items in many fields with a focus on 19th and 20th century Science, Technology, and Engineering. We are particularly interested in the History of Computing, and the speed with which the technological innovations of the 20th century have impacted the way we live. You’ll discover some depth in Physics, Mathematics, Nobel Prize authors, Computing, Scientific Instruments, and Chemistry. We are members of the ABAA (Antiquarian Booksellers’ Association of America), ILAB (International League of Antiquarian Booksellers), SNEAB (Southern New England Antiquarian Booksellers), and IOBA (The Independent Online Booksellers Association). We often have material not listed here, please ask if you are looking for something specific. International Buyers Please Note: Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer’s responsibility. Please check with your country’s customs office to determine what these additional costs (if any) will be prior to bidding or buying if you are unfamiliar with this. We will not misrepresent the content or value of items on customs forms. We are not responsible for any customs delays, custom fees or any other related custom issues. Once we send shipping confirmation, be sure to check regularly with your local customs or post office to ensure that shipments are not returned “unclaimed”. If packages are returned to us “unclaimed” we are happy to resend them but will require separate payment from you for the second shipping charge. Terms and Conditions If you have any questions, please ask before bidding. We package carefully so that your items get to you in the condition they were sent. We ship to PayPal verified addresses only. Any refund fees charged to us by PayPal for payments that don’t match the verified addresses will be deducted from your refund. Delivery time frames can only be estimated and will depend on the service used, shipping origin, and destination. Payment All payments in US dollars. Payment must be received within 5 days. Please note that our prices on this venue are increased to reflect the fees charged here. Feedback We leave feedback for buyers once they have posted feedback for us. If you are unhappy with any aspect of a transaction with us, please contact us immediately. We work hard to keep buyers happy and to resolve the rare problem promptly. This listing was created by Bibliopolis.

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