Statements (17)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:cryptographic_system
|
| gptkbp:activeYearsStart |
1943
|
| gptkbp:alsoKnownAs |
gptkb:SIGSALY
|
| gptkbp:developedBy |
gptkb:Bell_Labs
|
| gptkbp:location |
gptkb:London
gptkb:Pentagon |
| gptkbp:notableFor |
first use of digital encryption
first use of speech scrambling use of one-time pad |
| gptkbp:purpose |
secure voice communication
|
| gptkbp:technology |
voice encryption
|
| gptkbp:usedBy |
gptkb:Franklin_D._Roosevelt
gptkb:Winston_Churchill |
| gptkbp:usedDuring |
gptkb:World_War_II
|
| gptkbp:bfsParent |
gptkb:US_Patent_2,297,478
|
| gptkbp:bfsLayer |
4
|
| https://www.w3.org/2000/01/rdf-schema#label |
Secret Communication System
|