Playfair

noun — 3 senses

Playfair

noun

Etymology * (craters): The craters are Named after Scottish mathematician, scientist and C of S minister John Playfair * (cipher): The cipher is Named after British Lord, baron, politician and scientist Lyon Playfair, who popularized the cipher.

1

Computing, Cryptography, Engineering, Mathematics, Natural sciences, Physical sciences, Sciences Abbreviation, Ellipsis Ellipsis of Playfair cipher.

2

Computing, Cryptography, Engineering, Mathematics, Natural sciences, Physical sciences, Sciences an encryption using the Playfair cipher

  • Here's a cipher message. Probably Playfair.1932, Dorothy Sayers, Have His Carcase:
3

A form of crossword in which some words must be encrypted with a Playfair cipher before being inserted into the grid, and solvers must deduce the codeword and the encrypted clues.

  • But what about Playfair puzzles ? One must reckon to solve at least three of the Playfair clues independently before cracking the code and getting checking to help with solving the fourth .1977, Games & Puzzles:
  • see title2021 December 22, Azed, “No. 2,740 ‘Christmas Playfair’ - Competition Puzzle”, in The Guardian^(https://uploads.guim.co.uk/2024/12/21/AZ_2740_(22nd_December).pdf):

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.