Crypto News

• On October 2, 2000, Rijndael was selected as the new Advanced Encryption Standard, replacing DES. For details, click here.  For more information about Rijndael, click here.
• Read about the solution to the cipher challenge from Simon Singh's ``The Code Book'': click here. The solution to the tenth and last stage required factoring a 512-bit RSA modulus, and was completed by a group of five Swedish researchers on October 5, 2000.
• A 150 year old cryptosystem, known as the "Edgar Allan Poe Cryptographic Challenge", has finally been solved: click here.

Cryptology Organizations and Companies

•  American Cryptogram Association
• RSA
• NSA
• Visit the National Cryptologic Museum

History

• Timeline of Cryptology

Language and Literature

• Poe
• The Goldbug
• Text of The Adventure of the Dancing Men,  by A. Conan Doyle

Applets

• CipherClerk (encipher/decipher with Vigenere and others)
• Another Vigenere applet
• Help with cryptograms
• Practice using the Euclidean algorithm (Paul Garrett, U. Minnesota)
• GCD as a linear combination (running Euclidean algorithm backwards) (David Sumner, SC)

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