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Introduction | |
SECTION 1 BLETCHLEY PARK AND THE ATTACK ON TUNNY |
1 |
A Brief History of Cryptography from
Caesar to Bletchley Park |
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2 | How It Began: Bletchley Park Goes to War |
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3 | The German Tunny Machine
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4 | Colossus,
Codebreaking, and the Digital Age | |
5 | Machine Against Machine | |
6 | D-Day at Bletchley Park | |
7 | Intercept! | |
SECTION 2 COLOSSUS |
8 | Colossus | |
9 | Colossus and the Rise of the Modern
Computer | |
10 | The PC-User’s Guide to Colossus | |
11 | Of Men and Machines | |
12 | The Colossus Rebuild | |
SECTION 3 THE NEWMANRY |
13 |
Mr Newman’s Section |
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14 | Max Newman—Mathematician,
Codebreaker and Computer Pioneer | |
15 | Living with Fish: Breaking Tunny in the
Newmanry and the Testery | |
16 | From Hut 8 to the
Newmanry | |
17 | Codebreaking and
Colossus | |
SECTION 4 THE TESTERY |
18 | Major Tester’s Section | |
19 | Setter and Breaker | |
20 | An ATS Girl in the Testery | |
21 | The Testery and the Breaking of Fish | |
SECTION 5 T. H. FLOWERS’ LABORATORY AT DOLLIS HILL |
22 | Dollis Hill at War |
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23 | The British Tunny Machine | |
24 | How Colossus was Built and Operated—One
of Its Engineers Reveals Its Secrets | |
SECTION 6 STURGEON, THE FISH THAT GOT AWAY |
25 | Bletchley Park’s Sturgeon—The
Fish That Laid No Eggs | |
26 | Geheimschreiber Traffic and Swedish
Wartime Intelligence | |
TECHNICAL APPENDICES—TO DIG DEEPER |
A1 | Timeline: The Breaking of Tunny | |
A2 | The Teleprinter Alphabet | |
A3 | The Tunny Addition Square | |
A4 | My Work at Bletchley Park | |
A5 | The Tiltman Break | |
A6 | Turingery | |
A7 | Δχ-Method | |
A8 | Newman’s Theorem | |
A9 | Rectangling | |
A10 | The Motor Wheels and Limitations | |
A11 | Motorless Tunny | |
A12 | Origins of the Fish Cypher Machines | |
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