Back تعمية ماسونية Arabic Xifratge dels francmaçons Catalan Freimaurer-Alphabet German Ĉifro de Framasonismo EO Cifrado francmasón Spanish رمز کثیف FA Chiffre des francs-maçons French Cifrario pigpen Italian ღორის შიფრი KA Rozenkruisersgeheimschrift Dutch
The pigpen cipher (alternatively referred to as the masonic cipher, Freemason's cipher, Rosicrucian cipher, Napoleon cipher, and tic-tac-toe cipher)[2][3] is a geometric simple substitution cipher, which exchanges letters for symbols which are fragments of a grid. The example key shows one way the letters can be assigned to the grid.