Statements (14)
Predicate | Object |
---|---|
gptkbp:instance_of |
gptkb:XMPP_Extension_Protocol
|
gptkbp:bfsLayer |
5
|
gptkbp:bfsParent |
gptkb:Henryk_Zygalski
gptkb:Polish_Cipher_Bureau |
gptkbp:consists_of |
perforated sheets
|
gptkbp:developed_by |
gptkb:World_War_II
|
gptkbp:employs |
gptkb:Allied_forces
|
gptkbp:first_introduced |
1939
|
https://www.w3.org/2000/01/rdf-schema#label |
Zygalski sheets
|
gptkbp:influenced_by |
previous cryptographic methods
|
gptkbp:invention |
Witold Zygalski
|
gptkbp:is_used_for |
breaking Enigma codes
|
gptkbp:related_to |
gptkb:Polish_cryptography
|
gptkbp:social_responsibility |
decryption process
|