EntityQ1751757· pop 10· linked from 146 articlesrotor machineSign in to savegenre of electromechanical encryption devices, used widely from the 1920s to the 1970sConnectionsRedEntitycryptographyEntityencryptionEntitykeyEntitysubstitution cipherEntityLorenz cipherEntityPurpleEntitypolyalphabetic cipherEntityEdward HebernEntitySecure channelEntityNEMAEntityArvid Gerhard DammEntityUnited StatesCountryCanadaCountryPolandCountrySwitzerlandCountryNetherlandsConceptSwedenCountryParisEntityBerlinEntityCategoriesRotor machines