Code-Breaking, Cryptanalysis

  1.     Wikipedia Definition of Cryptanalysis:

2. Wikipedia Article about Elizebeth Smith Friedman:

3.  American Experience – Learn More about the World of Elizebeth Smith Friedman: 

4. Women of Bletchley Park

    • Women of Bletchley Park Tell Their Story:

4. Bletchley Park

5. Enigma Ciphering System

6. “Bombe” Deciphering System

7. Lorenz cipher machine

8. Crypto Museum

  • The Crypto Museum, located in Eindhoven, The Netherlands can be found at:

Its page on WWII spy radio sets is at

9. The Officer and the Code Breaker

10. The Codebreaker (documentary):  AMERICAN EXPERIENCE | PBS –