History
The Attack on Admiral Yamamoto

The Cipher that Caesar Used

The Spy the Codebreakers Caught

From Where, Will the Attack Come?

The Cipher in a Hollow Nickel

The Family of Spies

Spymaster of the Atomic Spies

Capturing a British Spy

Secret Code Breaker Videos

Bibliography

Codes
Codes


Scenes from the
Secret Code Breakers and Cipher Machines
video

Scherbius Machine
The Scherbius Cipher Machine (1920)
Rotors
Set of Enigma rotors

Purple
Japanese WWII Purple Coding Machine
Bletchley 'Bombe'
Bletchley 'Bombe' for breaking Enigma messages

The Secret Code Breakers and Cipher Machines video tells the story of the development of cipher machines beginning in 1920.

It was the invention of rotors that made possible the operation of a cipher machine. These machines and more are described in the Secret Code Breaker series of books along with computer programs that assist the code breaker in learning how to break cipher machine codes.

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The download is a 14 Mb wmv (Windows Media Video) file that requires a media player that displays wmv type video files.
Running time 14 minutes.


Videos of stories from the pages of the "SECRET CODE BREAKER - A Cryptanalyst's Handbook " series

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