Editing Playfair cipher (section)

==In popular culture==
*The 1932 novel ''[[Have His Carcase]]'' by [[Dorothy L. Sayers]] gives a blow-by-blow account of the cracking of a Playfair cipher.
*The 1940 World War 2 thriller ''[[The Trojan Horse (novel)|The Trojan Horse]]'' by [[Hammond Innes]] conceals the formula for a new high-strength metal alloy using the Playfair cipher.
*In the 2007 film ''[[National Treasure: Book of Secrets]]'', a treasure hunt clue is encoded as a Playfair cipher.
*In the 2007 audio book ''[[Rogue Angel]]:'' ''God of Thunder'', a Playfair cipher clue is used to send Anja Creed to Venice.
*In 2018 the serie [[Blindspot (TV series)]] season 4 episode 01 the cipher was mentioned during analysis of a clue.
*In the 2020 novel ''York: The Map of Stars'' (part three of a trilogy for children) by [[Laura Ruby]], a clue to solving the Morningstarr cipher is encrypted using the Playfair cipher.
* In 2021, the Playfair cipher serves as a plot device in a season 2 episode of [[Batwoman (TV series)]].
* In the 2013 novel ''[[S. (Dorst novel)|S.]]'', by [[Doug Dorst]] and conceived by [[J. J. Abrams]], a Playfair cipher is discovered in the footnotes of the story.