Playfair cipher

From Wiktionary, the free dictionary
Jump to navigation Jump to search

English

[edit]
English Wikipedia has an article on:
Wikipedia

Etymology

[edit]

Named after Lord Playfair, who promoted it. (It was invented in 1854 by Charles Wheatstone.)

Noun

[edit]

Playfair cipher (plural Playfair ciphers)

  1. A manual symmetric encryption technique that encrypts pairs of letters (digraphs).