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Bomba (cryptography)
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The bomba, or bomba kryptologiczna, was a special-purpose machine designed around October 1938 by Polish Cipher Bureau cryptologist Marian Rejewski to break German Enigma-machine ciphers.
Diagram of Rejewski's cryptologic bomb. For clarity, only one set of three rotors is shown (1); in reality, there were six such sets. An electric motor (2) turns the rotors. 3: Switches.
Diagram of Rejewski's cryptologic bomb. For clarity, only one set of three rotors is shown (1); in reality, there were six such sets. An electric moto
Enigma's plugboard, with two cables connected (ten were used during World War II). This enhancement greatly increased the system's security.
Enigma's plugboard, with two cables connected (ten were used during World War II). This enhancement greatly increased the system's security.
Marian Rejewski
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Marian Adam Rejewski was a Polish mathematician and cryptologist who in late 1932 reconstructed the sight-unseen German military Enigma cipher machine.
Bomba (cryptography)
…kryptologiczna (Polish for "bomb" or "cryptologic bomb"), was a special-purpose machine designed around October 1938 by Polish Cipher Bureau cryptologist Marian Rejewski to break German Enigma-machine ciphers. How the machine came to be called a "bomb" has been an object of fascination and speculation. One theory, most…
Rejewski, c. 1932
Rejewski, c. 1932
Rejewski's birthplace
Rejewski's birthplace
Rejewski studied mathematics at Poznań University.
Rejewski studied mathematics at Poznań University.
Rejewski laid flowers on Gauss's grave (Göttingen).
Rejewski laid flowers on Gauss's grave (Göttingen).