02272cam a22003373u 4500 42297 UtSlPG 20260610133952.0 m cr n 260607r2013||||utu|||||o|||||||||||||| d 96140672 UtSlPG fr iso639-1 Z Jacob, P. L., 1806-1884 La Cryptographie, ou, l'art d'écrire en chiffres Salt Lake City, UT : Project Gutenberg, 2013 1 online resource : multiple file formats text txt rdacontent computer c rdamedia online resource cr rdacarrier Release date is 2013-03-10 Produced by Laurent Vogel, Christine P. Travers and the Online Distributed Proofreading Team at http://www.pgdp.net (This book was produced from scanned images of public domain material from the Google Print project.) "La Cryptographie, ou, l'art d'écrire en chiffres" by P. L. Jacob is a scientific publication written in the mid-19th century. This work delves into the intricate world of cryptography, exploring both its historical origins and various methods developed over time for encoding secret messages. The book covers a wide range of cryptographic techniques used from antiquity to the modern era. At the start of the text, the author introduces the concept of cryptography and its various applications as a means of concealing written communications from prying eyes. The opening chapter outlines historical methods utilized for secret writing, referencing ancient examples such as the clever techniques attributed to figures like Herodotus and the Lacédémonians using devices like the scytale. It sets the stage for a comprehensive exploration of cryptographic methods across different societies and epochs, establishing a foundation for further discussion on the complex art of secret writing that formed a significant part of communication in both personal and political contexts. (This is an automatically generated summary.) Original publication data not identified Cryptography Ciphers Signs and symbols https://www.gutenberg.org/ebooks/42297 83136 83136