A list of related educational cryptology pages is given below.

1. A Class on Secret Codes for Gifted Students with nice lesson plans.
2. The Gronsfeld Cipher Explained
3. Magic Decoder Game
4. Gary's Crypto Corner
5. Theory and Applications of Cryptography - Text
6. Basic paper on cryptology.
7. The RC5 Encryption Algorithm Explained
8. In Times Past -- Cracking the Code
9. Photo of Enigma
10. Application of KPS
11. Cryptology - An overview
12. Cryptographic Algorithms
13. THE ORIGINS OF THE ENIGMA/ULTRA OPERATION
14. Basic Introduction to Cryptography
15. demanding_the_ability_to_snoop-
16. Chronology of Digital Computing Machines
17. Yahoo's Index of Cryptography.