Johnson, Neil F., Information hiding : steganography and watermarking : attacks and countermeasures / by Neil F. Johnson, Zoran Duric, Sushil Jajodia - 137 páginas - Advances in information security ; v. 1 . ISBN: 0792372042 (papel alcalino) Subjects--Topical Terms: Seguridad informáticaProtección de datos LC Class. No.: QA76.9A25 / J64 Dewey Class. No.: 005.8