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The Riverbank Publications are a series of pamphlets written by the people who worked for millionaire
The Riverbank Publications are a series of pamphlets written by the people who worked for millionaire George Fabyan
"Colonel" George Fabyan (1867 – 1936) was a millionaire businessman who founded a private research laboratory.cryptanalysis,Methods for the Solution of Ciphers, Publications 15-22
Rufus A. Long Digital Library of Cryptography, George C. Marshall Library, 1917-1922 mostly written by
"No other items in the field of cryptology were published" * 15, A Method of Reconstructing the Primary Alphabet From a Single One of the Series of Secondary Alphabets, 1917 * 16, Methods for the Solution of Running-Key Ciphers, 1918 * 17, An Introduction to Methods for the Solution of Ciphers, 1918 * 18, Synoptic Tables for the Solution of Ciphers and A Bibliography of Cryptographic Literature, 1918 * 19, Formulae for the Solution of Geometrical Transposition Ciphers, written with Capt. Lenox R. Lohr, 1918 * 20, Several Machine Ciphers and Methods for their Solution, 1918 * 21, Methods for the Reconstruction of Primary Alphabets, written with Elizebeth Smith Friedman, 1918 * 22, The Index of Coincidence and Its Applications in Cryptography, imprint L. Fournier, Paris, 1922 * 50, The production and detection of messages in concealed writing and images, by H. O. Nolan, 1918 * 75, Memorization Methods: Specifically Illustrated in Respect to Their Applicability to Codes and Topographic Material, by H. O. Nolan, 1919, Except as noted, the above publications were written by
Rufus A. Long Digital Library of Cryptography, George C. Marshall Library, 1917-1922 mostly written by
William Friedman
William Frederick Friedman (September 24, 1891 – November 12, 1969) was a US Army cryptographer who ran the research division of the Army's Signal Intelligence Service (SIS) in the 1930s, and parts of its follow-on services into the 1950s. I ...
, with contributions from Elizebeth Smith Friedman and others, are considered seminal in the field. In particular, Publication 22 introduced the Index of Coincidence
In cryptography, coincidence counting is the technique (invented by William F. Friedman) of putting two texts side-by-side and counting the number of times that identical letters appear in the same position in both texts. This count, either as a r ...
, a powerful statistical tool for cryptanalysis.
List of publications on cryptography
The Riverbank Publications dealt with many subjects investigated at the laboratories. The ones dealing withcryptography
Cryptography, or cryptology (from grc, , translit=kryptós "hidden, secret"; and ''graphein'', "to write", or ''-logia'', "study", respectively), is the practice and study of techniques for secure communication in the presence of adver ...
began with number 15,
and consists of:Riverbank publications WorldCat record"No other items in the field of cryptology were published" * 15, A Method of Reconstructing the Primary Alphabet From a Single One of the Series of Secondary Alphabets, 1917 * 16, Methods for the Solution of Running-Key Ciphers, 1918 * 17, An Introduction to Methods for the Solution of Ciphers, 1918 * 18, Synoptic Tables for the Solution of Ciphers and A Bibliography of Cryptographic Literature, 1918 * 19, Formulae for the Solution of Geometrical Transposition Ciphers, written with Capt. Lenox R. Lohr, 1918 * 20, Several Machine Ciphers and Methods for their Solution, 1918 * 21, Methods for the Reconstruction of Primary Alphabets, written with Elizebeth Smith Friedman, 1918 * 22, The Index of Coincidence and Its Applications in Cryptography, imprint L. Fournier, Paris, 1922 * 50, The production and detection of messages in concealed writing and images, by H. O. Nolan, 1918 * 75, Memorization Methods: Specifically Illustrated in Respect to Their Applicability to Codes and Topographic Material, by H. O. Nolan, 1919, Except as noted, the above publications were written by
William F. Friedman
William Frederick Friedman (September 24, 1891 – November 12, 1969) was a US Army cryptographer who ran the research division of the Army's Signal Intelligence Service (SIS) in the 1930s, and parts of its follow-on services into the 1950s. ...
and were published by George Fabyan
"Colonel" George Fabyan (1867 – 1936) was a millionaire businessman who founded a private research laboratory.Riverbank Laboratories in Geneva, Illinois.
References
Cryptography books World War I-related lists Cryptographic attacks Riverbank Laboratories {{crypto-stub