The pigpen cipher (sometimes referred to as the masonic cipher, Freemason's cipher, Rosicrucian cipher, or Tic-tac-toe cipher) 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.
Read more about Pigpen Cipher: Security, History, Variants, Example, In Popular Culture
Famous quotes containing the word cipher:
“The eye is the first circle; the horizon which it forms is the second; and throughout nature this primary figure is repeated without end. It is the highest emblem in the cipher of the world.”
—Ralph Waldo Emerson (1803–1882)