Statements (20)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
crypt
|
| gptkbp:category |
manual cipher
|
| gptkbp:ciphertextOutput |
letters
|
| gptkbp:encryption |
substitution
transposition |
| gptkbp:historicalName |
educational purposes
|
| https://www.w3.org/2000/01/rdf-schema#label |
Bifid cipher
|
| gptkbp:introducedIn |
1901
|
| gptkbp:inventedBy |
gptkb:Félix_Delastelle
|
| gptkbp:key |
keyword
|
| gptkbp:namedAfter |
bifid (meaning split in two)
|
| gptkbp:notableFeature |
combines fractionation and transposition
|
| gptkbp:plaintextInput |
letters
|
| gptkbp:relatedTo |
gptkb:Polybius_square
gptkb:Trifid_cipher |
| gptkbp:supportsAlgorithm |
gptkb:fractionation_cipher
|
| gptkbp:uses |
gptkb:Polybius_square
|
| gptkbp:vulnerableTo |
frequency analysis
|
| gptkbp:bfsParent |
gptkb:Polybius_square
|
| gptkbp:bfsLayer |
6
|