cryptology

Updated: May 25, 2025

"That the document is not based on conventional signs, but on what is known in cryptology as a cipher, that is to say, on a number." "Well, sir," answered Manoel, "cannot a document of that kind always be read?" "Yes," said Jarriquez, "if a letter is invariably represented by the same letter; if an a, for example, is always a p, and a p is always an x; if not, it cannot." "And in this document?"

Jules Verne - Eight Hundred Leagues on the Amazon