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Rotor cipher machine
- this page is a stub
Lacida was an electromechanical cipher machine,
also known as a rotor machine,
developed around 1938 by Biuro Szyfrów – the Polish Cipher Bureau – and built
by the AVA Radio Company in Warsaw (Poland).
The name LACIDA was derived from the first letters of the surnames
of the developers: Gwido Langer, Maksymilian Ciezki
and Ludomir Danilewicz [1]. 1
Also known as LCD.
The machine has several weaknesses.
It lacks a commutator (plugboard) – one of the stronger points of the
Enigma cipher machine – and has a weakness which
involves the reflector and wiring. Nevertheless, it was concidered difficult
to break at the time [3].
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Or his younger brother Leonard Danilewicz) [1].
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- Wladyslaw Kozaczuk, Enigma: How the German Machine Cipher was broken...
...and how it was read by the Allies in Workd War Two.
{English translation)
Christopher Kasparek, USA, 1984.
ISBN 0-89093-547-5.
- Krysztof Gaj, Polish Cipher Machine - Lacida
Cryptologia, Volume 16, Issue 1, January 1992. pp. 73-80.
- Wikipedia, Lacida
Retrieved October 2017.
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© Crypto Museum. Created: Thursday 12 October 2017. Last changed: Saturday, 24 February 2018 - 12:05 CET.
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