1.INTRODUCTION Steganography comes from the Greek and literally means, "Covered writing". It is one of various data hiding techniques, which aims at transmitting…

DIGITAL WATER MARKING Objective: A digital watermark is a digital signal or pattern inserted into a digital image. Since this signal or pattern is present in each unaltered…

1. Sandeep KumarMCA (6th sem) 2. Table of Contents :• Introduction• History• Past use• Modern use• Advantages• Disadvantage• Steganography vs. cryptography•…

1.  What is meant by cryptography ? • Its Greek word • Crypto means “ Secret”• Graphie means “ Writing “ Why Cryptography ? •To convert the plain text…

steganography Jaykrishna thakkar Natubhai.v.patel College of pure and applied science outline Introduction History Types Technique Introduction The word steganography is…

1. Made by : Manika Arora 2. What is Steganography? • Steganography is the art and science of writing hidden messages in such a way that no one, apart from the sender and…

1. 1 INTRODUCTION: The objective of steganography is to hide a secret message within a cover-media in such a way that others cannot discern the presence of the hidden message.…