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Explore the main themes, entities and connections around Type B Cipher Machine. Start with the topic map, then use the sections below for research and deeper semantic analysis.
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Development of Japanese cipher machines
Weaknesses and cryptanalysis
Impact of Allied decryption
Overview
Key facts & relationships
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Topics to explore
A structured outline of related entities, concepts and subtopics. Open any item to build a new map centered on it.Browse the full topic structure. Each item opens a new analysis centered on that subject.
Overview
- Encryption
- Japanese Foreign Office
- World War II
- Red Red (cipher machine)
- Stepping-switches Stepping switch
- Rotots Rotor machine
- English alphabet
- Transliterated Romanization of Japanese
- Plug board Plugboard
- Coral Coral (cypher machine)
- Jade JADE (cypher machine)
- Signals Intelligence Service
- Magic Magic (cryptography)
Development of Japanese cipher machines
- Imperial Japanese Navy
- Army Imperial Japanese Army
- Cipher machine development History of cryptography
- Teiji Takagi
- Cryptanalysis
- Washington Naval Treaty
- Black Chamber
- London Naval Treaty
- Risaburo Ito Risaburo Ito?action=edit&redlink=1
- Kazuo Tanabe Kazuo Tanabe?action=edit&redlink=1
- Genichiro Kakimoto Genichiro Kakimoto?action=edit&redlink=1
- Kryha
- Japanese Imperial calendar Japanese imperial year
- Half-rotor Rotor (electric)
- Kana
- Masaji Yamamoto Masaji Yamamoto?action=edit&redlink=1
- Eikichi Suzuki Eikichi Suzuki?action=edit&redlink=1
Design
Weaknesses and cryptanalysis
- Polyalphabetic Polyalphabetic cipher
- Phillips Code
- Cribs Known-plaintext attack
- William F. Friedman
- Genevieve Grotjan
- Tripartite Agreement Tripartite Pact
- Francis Raven
- Hans Thomsen
- Joachim von Ribbentrop
- Konstantin Umansky
- Soviet ambassador to the US Ambassador of Russia to the United States
- U.S. Undersecretary of State Sumner Welles Sumner Welles
- Leo Rosen
- Uniselector
- Telephone exchanges Telephone exchange
- Strowger switches Strowger switch
- National Cryptologic Museum
Impact of Allied decryption
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Map overview Semantic statistics
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Type B Cipher Machine
Top relations
Important terminology Word statistics
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Important terminology
japanese machine purple used cipher type messages one switch twenties stepping letters sis switches red american sixes navy stage analog
Entity relationships Subject–Predicate–Object triples
Extracted RDF-like relationships with confidence and source. The table includes structured facts and lower-confidence contextual relations.| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Type B Cipher Machine | related to Design | The Type | 0.60 | section |
| Type B Cipher Machine | related to Design | Cipher Machine | 0.60 | section |
| Type B Cipher Machine | related to Design | As | 0.60 | section |
| Type B Cipher Machine | related to Design | US Army | 0.60 | section |
| Type B Cipher Machine | related to Design | Type | 0.60 | section |
| Type B Cipher Machine | related to Design | Machine | 0.60 | section |
| Type B Cipher Machine | related to Design | An | 0.60 | section |
| Type B Cipher Machine | related to Design | II | 0.60 | section |
| Type B Cipher Machine | related to Design | III | 0.60 | section |
| Type B Cipher Machine | related to Design | Each | 0.60 | section |
| Type B Cipher Machine | related to Design | The Japanese | 0.60 | section |
| Type B Cipher Machine | related to Design | The | 0.60 | section |
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