Read Seizing the Enigma Online

Authors: David Kahn

Seizing the Enigma (59 page)

Asdic (sound-ranging system),
4

Aslett, A. R.,
158

Athenia
(passenger ship),
10

Atlantic Charter,
223

Aubretia
(corvette),
15
,
192
,
195

196

Augsburg
(ship),
18

19

AVA Radio Manufacturing Company,
80

81

Axon, Alice,
267

B

Babbage, Dennis,
134

Bacon, Allon,
202
,
210

211

Bainbridge
(ship),
224

Baker-Cresswell, A. J. (Joe),
1
,
7

9
,
14

16
,
189

192

Balme, David E.,
192

193
,
195

196

“Banburismus,” 166–
168

Barham
(battleship),
10

Bartelmez, Erminnie,
281

Battle of El Alamein,
259

Battle of Jutland,
101

Battle of the Dogger Bank,
31

32

Battle of Trafalgar,
217

218

Bayes, Thomas,
167

B-Dienst,
49

50
,
240

241

Becker, Johannes,
126

Bedouin
(ship),
207

208

Bedrov, Mikhail A.,
24

Beesly, Patrick,
265

Beleben
(ship),
235

Belgian Sailor
(ship),
287

Benckendorff, Count Constantine,
24

Bender, Walther,
17
,
21
,
23

Bengore
(ship),
15

Bertrand, Gustave,
64

72
,
87

88
,
92

94
,
106

Bigram table,
334

Birch, Frank,
29

30
,
118

Birmingham
(cruiser),
136

Bismarck
(battleship),
234

235

BLACKBIRD,
301

Bletchley Park,
5
,
103

Blohm & Voss company,
255

Blunt, Anthony,
140

Bogue
(carrier),
313

Bombe technique,
110

116
,
270

275

Braquenié, Henri,
90

Braun, Kurt,
200
,
208

Braune, Martin,
34

Bress, Egon,
51

52

Brett-Smith, Hilary,
163

Bridgeman, C. E.,
297

298

British Chemist
(ship),
223
,
225

British Tabulating Machine Company,
115

116
,
270

Broadway
(ship),
16
,
190

192

Brown, Tommy,
263

264

Bruford, W.H.,
138

Bulldog
(destroyer),
1
,
7

8
,
189

198

Burgess, Guy,
140

Burrough, H. M.,
203
,
205

206

C

Canaris, Wilhelm,
51

Cape Farewell,
224

Cape of Good Hope,
255
,
259

Card
(carrier),
315

321

Casablanca conference,
288

Caslon, Clifford,
152
,
154

156
,
159

160

CCM.
See
Combined Cipher Machine

Chamberlain, Neville,
107

Château des Fouzes,
134

Chiffrierabteilung
,
240

ChiStelle,
67

Christiensen, Rolf,
275

Churchill, Winston,
44

45
,
173
,
214

220
,
328

329

Ciȩzski, Maksymilian,
60
,
63

64
,
71
,
75

77
,
90
.
See also
Rejewski, Marian

“Cillies,” 131–
132

Ciphers.
See also
Key(s)

Dockyard Cipher,
48
,
138

139
,
168

169

FRANKFURT,
246

Home Waters,
250

Naval (British),
246

PURPLE,
275

276

Radio Cipher H,
48
,
138

Short Signal,
337

Short Weather Cipher,
48
,
177

179
,
264
,
337

TRITON,
216

weather,
220

222

Citadel,
171

172

City of Bath
(ship),
223

Civil war, in Spain,
100

Clarke, Joan,
162

Clarke, William F. (Nobby),
97

Clayton, John W. (Jock),
102
,
141

142
,
145

147

Code A,
48

Codebook, from
Magdeburg
,
23

28

Codebreaking

emphasis on linguistic,
77

78

in France,
64

72

German,
245

248

participants in,
57

in Poland,
57

64

by United States,
275

285

Cod oil,
152

Combined Cipher Machine,
280

Commercial codes,
40

Connel, G. Gordon,
262

Convoy contact reports,
230

Convoy HX 155,
222

225

Convoy HX 229,
288

Convoy HX 234,
292
,
294

Convoy OB 318,
1
,
2

3
,
7

16

Convoy SC 122,
288

Convoy SC 127,
288

301

Cormier, Richard L.,
316

317

Coulberg
(ship),
225

“Crab,” 131

“Crash,” 131

Crawley Grange,
270

Currier, Prescott,
276

Curzon, Earl,
96

Cyclometer,
84

85

D

DAN station,
268

Dejean, Maurice,
65

Denning, Norman,
101

102

Denniston, Alastair,
25

26
,
27
,
90
,
107

DIANA,
228

Direction-finding,
250

252

Dockyard Cipher,
48
,
138

139
,
168

169

Dogger Bank, Battle of the,
31

32

DOLPHIN,
305

Dönitz, Karl,
8
,
9

10
,
13

14
,
55
,
122
,
227
,
237

240
,
303

306

D’Oyly-Hughes, Guy,
142

145

Dresky, Hans von,
121

125

Dryden, J. C.T.,
109

Dulverton
(ship),
261
,
264

Dundas
(ship),
291

Dunderdale, Wilfred,
70

Dunlice Castle
(ship),
212

Durrell, Henry,
206

E

Eachus, Joseph,
278

Eastern Star
(ship),
9

ECM.
See
Electric Cipher Machine

Edwards, Ralph,
182

183

Egerland
(supply ship),
235

El Alamein, Battle of,
259

Electric Cipher Machine,
280

Emden
(cruiser),
121

Empire Franklin
(ship),
287
,
291

Engstrom, Howard,
279

Enigma

adoption of,
45

48

B-Dienst and,
49

50

belief in,
12

Ciȩzski and,
63

64

convoy contact reports,
230

current in,
339

cyclometer and,
84

85

faith in,
307
,
326

327

fears over,
234

236

G.C.&C.S. and,
5

high traffic volume dangers,
243

244

inner settings,
331

invention of,
35

36

Italian use of,
100

key determination,
331

332

key in,
37

38
,
54

Korn and,
42

43

message types,
230

M4 model,
244

245

MS device and,
242

243

operation of,
5

outer settings,
331

patent,
338

procedure for,
227

231
,
331

340

proliferation of,
48

radio cipher conversation,
230

reciprocal substitutions in,
115

reflector in,
42

43

rejection of,
38

Rejewski and,
72

77

rod method and,
100

101

safeguards,
241

security of,
233

234

short transmissions,
230

Stummel and,
307

successes against,
5

6

superimposition and,
46

ULTRA and,
321

329

weak points in,
131

132

worksheet,
332

333

Zygalski sheets and,
85

86
,
90

Enigma keys

capturing of
Polares
and,
137

determination of,
331

332

in Enigma machine,
37

38
,
54

NEPTUN,
244

permutations and,
79

RED,
133
-134,
135

136

Rejewski and,
80

81

SHARK,
265

266

TRITON,
239

from Warmington,
161

Enigma rotors

addition of,
89

90

“banburismus” method and,
166

168

in bombe technique,
112

116

in Enigma machine,
36

38
,
49

50

Polish work with,
81

82

setting choices,
241

thin,
244

from U-33,
128

129

Entscheidungsproblem
,
108

Erebus
(ship),
149

Escort Group 3,
7

Escort Group 7,
3

4

Esmond
(ship),
6

Esso Hamburg
(ship),
235

Ettinghausen, A. A. Ernest E.,
274

Europa
(ship),
304

Ewing, Sir Alfred,
25
,
27

F

FALCON,
305

Fasson, Antony,
258

259
,
262

Festung
(ship),
304

Fetterlein, E. C,
99

Figl, Andreas,
43

Fisher, Sir John,
43

44

Fleming, Ian,
145

147

Flowerdown installation,
267

FLUSS substitution book,
238

Food rationing,
288

Forster, Leonard,
119

120
,
273

274
,
329

330

Fort Howe
(ship),
287

France, cryptology in,
64

72

Franco, Francisco,
100

FRANKFURT cipher,
246

French Colonial Office,
229

Fricke, Kurt,
235

236

G

Galibin, Lieutenant,
23

Gayhurst Manor,
270

G.C.&C.S.
See
Government Code and Cypher School (G.C.&C.S.)

Gedania
(tanker),
235

Gewald, Hinrich,
200

202
,
209

Gleaner
(minesweeper),
124

128

Glorious
(aircraft carrier),
142

145

Gneisenau
(ship),
142

145
,
248

Gödel, Kurt,
107

Godfrey, John H.,
146
,
164

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