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November 29, 2017Episode 10 - The Playfair Cipher11 minutesPlayAlex Young explains the Playfair cipher, invented in 1854 by Charles Wheatstone....moreShareView all episodesBy Derek Bruff522 ratingsNovember 29, 2017Episode 10 - The Playfair Cipher11 minutesPlayAlex Young explains the Playfair cipher, invented in 1854 by Charles Wheatstone....more
November 29, 2017Episode 10 - The Playfair Cipher11 minutesPlayAlex Young explains the Playfair cipher, invented in 1854 by Charles Wheatstone....more