Playfair cipher
id:
playfair-cipher-161-6513543
title:
Playfair cipher
text:
The Playfair cipher or Playfair square or Wheatstone–Playfair cipher is a manual symmetric encryption technique and was the first literal digram substitution cipher. The scheme was invented in 1854 by Charles Wheatstone, but bears the name of Lord Playfair for promoting its use. The technique encrypts pairs of letters, instead of single letters as in the simple substitution cipher and rather more complex Vigenère cipher systems then in use. The Playfair cipher is thus significantly harder to bre
brand slug:
wiki
category slug:
encyclopedia
description:
Early block substitution cipher
original url:
https://en.wikipedia.org/wiki/Playfair_cipher
date created:
2003-01-24T02:20:50Z
date modified:
2024-08-27T05:22:54Z
main entity:
{"identifier":"Q829915","url":"https://www.wikidata.org/entity/Q829915"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/a/af/Playfair_Cipher_01_HI_to_BM_%28cropped%29.png","width":309,"height":282}
fields total:
13
integrity:
16