Cheltenham, Eng.: The History Press / Chicago: Trafalgar Square, 2024. Pp. 320. Illus., gloss., personae, append., sources, notes. $39.95 / £25.00. ISBN: 1803991690 ...

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UK intelligence agency GCHQ has celebrated its centenary year by releasing emulators for famous code cipher and code breakers used in World War II. Last week, GCHQ said on Twitter that the public can ...

A rare 1944 four-rotor M4 Enigma cipher machine, considered one of the hardest challenges for the Allies to decrypt, has sold at a Christie's auction for £347,250 ($437,955). The winning bid for the ...

The files include operating instructions for the SG-41, encryption rules and key tables used during the closing weeks of the war ...