Dirk Rijmenants'

Cipher Machines and Cryptology

Historical and Technical Information about Crypto Machines, Cryptology and Free Software Simulations

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Cipher Machines

Enigma Menu
Enigma History
How Enigma Works
Message Procedures
The U-boat War
Kurzsignalen
M4 Project and U-264
Enigma at School
Enigma FAQ's
Codebook Tool
Enigma Simulator

Hagelin Menu
Hagelin Cryptos
B-21
C-52/CX-52
BC-52 Simulator
M-209 Simulator

TSEC/KL-7
The TSEC/KL-7
KL-7 Simulator

Other Machines
Machines Timeline
Colossus
ATOMIX Simulator
Image of the Month
Focus on Machines

Challenges
Enigma Challenge
Crypto Box Challenge
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Cold War Signals & Intelligence

Major Updated of the Enigma Simulator 7.0


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Last update February 4, 2012

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Cryptography
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Hand Ciphers
Rasterschlussel 44
One-time-pad
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