Associations to the word «Playfair»

Wiktionary

PLAYFAIR, proper noun. A surname​.
PLAYFAIR, noun. (cryptography) the Playfair cipher, or an encryption using it
PLAYFAIR CIPHER, noun. A manual symmetric encryption technique that encrypts pairs of letters (digraphs).

Wise words

When ideas fail, words come in very handy.
Johann Wolfgang von Goethe