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A Brief History of Cryptology and Cryptographic AlgorithmsThe Coming of the Machines: 1918–1945

A Brief History of Cryptology and Cryptographic Algorithms: The Coming of the Machines: 1918–1945 [The volume of cipher traffic that was made possible by radio showed the need for vastly increased security, speed and accuracy in both enciphering and deciphering messages. The use of mechanical and electromechanical machines to do the encipherment was a logical outgrowth of this need. The first electromechanical rotor cipher machines began to appear right after World War I and the next three decades saw their steady improvement in both complexity and speed. The Enigma, the Typex and the M-134C/SIGABA were the epitome of these machines and the efforts to create and cryptanalyze them led us into the computer age. This chapter examines the history of cipher machines in the 20th century and looks in some detail at the cryptographic construction of the Enigma and the M-134C/SIGABA.] http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png

A Brief History of Cryptology and Cryptographic AlgorithmsThe Coming of the Machines: 1918–1945

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Publisher
Springer International Publishing
Copyright
© The Author(s) 2013
ISBN
978-3-319-01627-6
Pages
63 –74
DOI
10.1007/978-3-319-01628-3_7
Publisher site
See Chapter on Publisher Site

Abstract

[The volume of cipher traffic that was made possible by radio showed the need for vastly increased security, speed and accuracy in both enciphering and deciphering messages. The use of mechanical and electromechanical machines to do the encipherment was a logical outgrowth of this need. The first electromechanical rotor cipher machines began to appear right after World War I and the next three decades saw their steady improvement in both complexity and speed. The Enigma, the Typex and the M-134C/SIGABA were the epitome of these machines and the efforts to create and cryptanalyze them led us into the computer age. This chapter examines the history of cipher machines in the 20th century and looks in some detail at the cryptographic construction of the Enigma and the M-134C/SIGABA.]

Published: Sep 25, 2013

Keywords: Rotor Position; Control Rotor; Paper Tape; Rotor Machine; Current Rotor

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