Playfair cipher en · NOUN
Etymology
Named after Lord Playfair, who promoted it. (It was invented in 1854 by Charles Wheatstone.)
Meanings
- A manual symmetric encryption technique that encrypts pairs of letters (digraphs).
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| Playfair ciphers | Number=Plur | lexicographic |