title: Simple/Basic steganography algorithms and methods
body: <p>What are the basic and simpliest <strong>steganography algorithms</strong> and methods?</p>
  
  <p><em>I mean the steganography applied to images.</em></p>
  
  <p>How does a simple program that hides data to images work? What are the main techniques used? How does the program <strong>recognize the encrypted message in image without the source image?</strong></p>