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| Biuro Szyfrów ("Cipher Bureau") |
| Methods and technology |
| "ANX" · Enigma "doubles" · Grill Clock · Cyclometer · Card catalog Cryptologic bomb Zygalski sheets · Lacida |
| Locations |
| Saxon Palace · Kabaty Woods PC Bruno · Cadix |
| Personnel |
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Chief
Gwido Langer German Section cryptologists
Marian Rejewski · Jerzy Różycki Henryk Zygalski · Antoni Palluth Wiktor Michałowski Chief of Russian Section
Jan Graliński Russian Section cryptologist
Piotr Smoleński |
In cryptography, the clock was a method devised by Polish mathematician-cryptologist Jerzy Różycki, at the Polish General Staff's Cipher Bureau, to facilitate decrypting German Enigma messages. This method sometimes made it possible to determine which of the Enigma machine's rotors was at the far right, that is, in the position where the rotor always revolved at every depression of a key.
See also
References
- Władysław Kozaczuk, Enigma: How the German Machine Cipher Was Broken, and How It Was Read by the Allies in World War Two, edited and translated by Christopher Kasparek, Frederick, MD, University Publications of America, 1984.
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