by Alex Young

Learn about the history and usage of the Playfair cipher, a digraphic encryption method with a misleading name.

Sources

Baldwin, Erin. “Playfair Cipher” N.p., n.d Web. 30 Oct. 2017.

Kahn, David. Codebreakers: the Story of Secret Writing. New York: Weidenfeld & Nicolson/Macmillan, 1967. Print.

Lyon, James. "Playfair Cipher." Practical Cryptography. N.p., n.d. Web. 30 Oct. 2017 .

"NOVA Online | Decoding Nazi Secrets | The Double Playfair Cipher." PBS: Public Broadcasting Service. N.p., n.d. Web. 30 Oct. 2017 .

"NOVA Online | Decoding Nazi Secrets | The Playfair Cipher." PBS: Public Broadcasting Service. N.p., n.d. Web. 30 Oct. 2017 .

Oster, Grant. “History of the Playfair Cipher.” Hankering for History, N.p., n.d Web. 30 Oct. 2017.

Singh, Simon. Code Book: The Science of Secrecy from Ancient Egypt to Quantum Cryptography. New York: Anchor, 2000. Print

Music: https://www.bensound.com/royalty-free-music/track/going-higher

Image: Screenshot from National Treasure 2