CS4HS Cryptography Talk  Stuart Reges, Principal Lecturer

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This page has a collection of resources from a talk given at the 2011 CS4HS workshop at the University of Washington.

Below are links to materials presented in the talk:

• slides (ppt, pdf)

• Python RSA code

• a related talk in which I go into more detail on rsa encryption

• confederate cipher disk, available for purchase

• Bletchley Park Shop has some interesting items (including a "pocket enigma" and an "Enigma-E kit")

• NSA CryptoKids, "fun" site (perhaps a bit scary), interesting list of high school and college programs

• Java BigInteger class: check out isProbablePrime, nextProbablePrime, modPow

• There is a great chapter on cryptography in the book Blown to Bits which can be downloaded for free (entire book or just chapter 5)

• history of cryptography

• scytale: Spartan encryption device

• Caesar cipher: simple basis of early cryptography

• Vigenère cipher, a polyalphabetic cipher

• German Enigma Machine

• RSA encryption

• PGP: Pretty Good Privacy

• Shor's Algorithm, which would break RSA using a quantum computer

• quantum computing

• RSA factoring challenge