Statements (61)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
cipher machine
|
| gptkbp:decommissioned |
1970s
|
| gptkbp:deployedTo |
gptkb:World_War_II
|
| gptkbp:designedBy |
gptkb:William_F._Friedman
|
| gptkbp:developedBy |
1940s
|
| gptkbp:dimensions |
18 x 12 x 6 inches
|
| gptkbp:features |
multiple rotors
plugboard high security |
| gptkbp:historicalSignificance |
used for secure communications
|
| https://www.w3.org/2000/01/rdf-schema#label |
SIGABA
|
| gptkbp:influencedBy |
gptkb:German_Enigma_machine
Japanese_Purple_machine |
| gptkbp:inputOutput |
keyboard
|
| gptkbp:knownFor |
reliability
complex encryption speed of operation robust design |
| gptkbp:legacy |
influenced modern cryptography
used as a reference for future cipher designs |
| gptkbp:operationalStatus |
1970s
|
| gptkbp:paymentMethods |
polygraphic substitution
|
| gptkbp:productionCompany |
printed tape
|
| gptkbp:relatedTo |
cryptography
cybersecurity data encryption data protection intelligence gathering military operations national security network security privacy protection signal processing codebreaking military intelligence military strategy cryptanalysis secure messaging information security information warfare intelligence analysis encryption technology SIGINT information assurance tactical communications strategic communications secure communications technology secure information exchange cipher technology Cold_War_communications |
| gptkbp:replacedBy |
KW-26
|
| gptkbp:security |
very high
polygraphic substitution |
| gptkbp:successor |
gptkb:M-134
gptkb:SIGSALY |
| gptkbp:type |
electromechanical cipher machine
|
| gptkbp:usedBy |
gptkb:United_States
|
| gptkbp:usedIn |
intelligence operations
naval communications diplomatic communications |
| gptkbp:weight |
approximately 50 pounds
|