Turing's Treatise on Enigma page contains Alan Turing's detailed cryptanalytical analysis of the Enigma Machine written while he was employed as a cryptanalyst at Bletchley Park.

The Enigma cipher machine Tony Sale's Codes and Ciphers The Enigma cipher machine These pages give an introduction to substitution ciphers and then go on to explain exactly how the Enigma machine worked and how it was used. At present the pages are as follows: 1. Substitution ciphers and the principle of the Enigma with a detailed example illustrating how the Enigma enciphers letters. 2. The ...

The U-boat Net is one the most comprehensive military and history sites on the Net. Dealing with the U-boat War 1939-1945 through over 15, 000 pages and covering all German U-boats in the war and over 153 of the most decorated officers and personalities.

The Enigma machine Background: The German Enigma is surely the best known of the WW2 cipher machines used by either side in the conflict. Invented in 1918, it was developed as both a commercial and military encipherment system before and during the war. Enigma is an electro-mechanical device that utilizes a stepping wheel system to 'scramble' a plaintext message to produce ciphertext via ...

Learning about The Enigma Machine and other examples of Cryptography and Mathematics This web site is based on the course The Enigma Machine , that was offered during Winter semester 1998 at Grand Valley State University. On this site is information about the history and mathematics of the Enigma machine, along with other applications of cryptography. The pages below were created by Edward ...