Home›Classical ciphers›Playfair cipher🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsTiếng ViệtTürkçeРусскийالعربيةفارسی中文EntityQ829915· pop 26· linked from 91 articlesPlayfair cipherAlso known as Playfair systemearly block substitution cipherWikidata factsImagePlayfair Cipher 01 HI to BM (cropped).pngShow 1 more factCommons categoryPlayfairSources (1)wikidata.orgvia Wikidata · CC0Available in 25 languagesEspañolFrançaisDeutsch中文РусскийPortuguêsItalianoالعربيةBahasa IndonesiaBretonCatalanConnectionsencryptionEntitysymmetric-key algorithmEntityCategoriesClassical ciphersEnglish inventions