EntityQ1063471· pop 9· linked from 288 articlesJefferson diskSign in to saveCipher system invented by Thomas JeffersonConnectionsUnited States Department of StateEntityencryptionEntitycryptanalysisEntityRedEntitySecure channelEntityThe American Revolution (TV series)ConceptWorld War IIConceptThomas JeffersonEntityWest VirginiaEntityFrench RevolutionEntityJohn AdamsEntityJames MadisonEntityInternational Standard Book NumberEntityWhite HouseConceptPresident of the United StatesConceptList of presidents of the United StatesConceptJefferson CityEntitycryptocurrencyEntityUnited States Declaration of IndependenceEntityCharles BabbageEntityCategoriesAmerican inventionsEncryption devicesThomas Jefferson