Suppose one wants to setup a cryptographic protocol in which 2 parties communicate using an encryption scheme that produces encrypted messages indistinguishable from random data (the desired property) ...
I have a PDF file that I want to embed an invisible and fragile digital watermark. What are the suitable algorithms available for this task?
I would like to use the best algorithm to hide 1024-bits inside an image. What is the best option to implement this? Is it by using Steganoraphy (i.e. LSB) or Digital water marking?
Suppose we have an image with some hidden info behind it. If we open it in a photo manipulation software like Photoshop or Gimp, without editing it and just save it as a new image, does the image ...
Reading into "Operation Satyagraha", one would have to believe give all the resources used that the investigators had some reason to believe there was data to decrypt, even though in theory and in ...
I have written an application for Apple's iOS which embeds messages in JPEG files using steganography (see http://en.wikipedia.org/wiki/Steganography). For the purposes of this question lets assume ...