Steganography techniques ppt.
Therefore, steganography literally means covered writing.
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Steganography techniques ppt It works by encoding hidden messages within carrier files like images, videos, or documents in a way that avoids attracting attention to the message itself. - Modern techniques include least significant bit insertion in image files and masking ÐÏ à¡± á> þÿ & > þÿÿÿ z ÿ x Ó c ü L ü ü v í } û z õ t u \ ý C D ú € ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿ 6 History The concept of message hiding is not new – it’s been around for centuries A Greek shaved the head of a slave, wrote a message, then waited for the hair to grow back before sending the slave to his destination Steganography (in the form of invisible ink) was used by Washington in the Revolutionary War Prior to the Civil War, quilts were sewn with special patterns to tell escaping Nov 11, 2022 · Steganography is the art and science of hiding messages within other non-secret text, images, or other files. It begins with an abstract discussing the growth of digital communication and the need for information security, with steganography playing an important role. Mar 28, 2017 · This document provides a tutorial review of steganography techniques. Table ofContents • Introduction • Steganography • History • Classification • Working Principle • LSB Substitution • Injection • Flow Chart • Tools & Techniques • Steganography Tools • Steganalysis Tools • Usage & Future Application • Modern Printers • Water This document provides an overview of steganography, including: - Steganography is hiding secret messages within other messages or media so that the existence of the hidden messages is concealed. Steganography simply takes one piece of information and hides it within another Computer files (images, sounds recordings, even disks) contain unused or insignificant areas of data Steganography takes advantage of these areas, replacing them with information (encrypted mail, for instance). - Historical techniques included writing hidden messages on wax tablets or in areas covered by postage stamps. May 2, 2011 · STEGANOGRAPHY … the art of Hiding Information Sibaka Mahapatra Computer Science 3rd Year, Sec-E 0801288242. It then reviews steganography techniques in 3 sections - past, present and future. . Therefore, steganography literally means covered writing. phstqpy fvo lbz akyx vrn gaybb yjija wenket kkmt kylqdfv