A couple of decades ago, in another life, I wrote a little script which would capture keystrokes and then store that data within the 'white space' of an image file. It was pretty crude, but it was also twenty years ago and to be honest nobody was really looking for stuff which was effectively hidden in plain sight that way. That way being the use of something called steganography, from the Greek steganos which means covered and graphie which means writing; so literally covered writing. I used it to good effect during my period as an explorer of networks belonging …

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![ScreenShot](/attachments/large/4/ScreenShot.jpg "ScreenShot") # INTRODUCTION # This toolsuite will let peolple hide or unhide secret message inside of Microsoft Office 2007 files .just in an intelligent way.Since the newer Office files are basically just zip files containing XML and resources.By zip library,we can extract some xml parts inside of the file.This tool concludes two parts or two methods:method based on element order and method based on attribute order.Two methods are both designed based on xml characteristics, which any xml files can conclude many elements and atributes.So, the method of changing elements's or attributes' order to hide secret data is used. Now …

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import java.io.*; import java.nio.ByteBuffer; import java.util.zip.*; import javax.crypto.*; import javax.crypto.spec.*; import javax.swing.*; import javax.swing.event.*; import java.awt.*; import java.awt.event.*; public class Steganograph { public static final byte[] VERSION_BYTE= {'2','0','0'}; public static final int OFFSET_JPG= 3; public static final int OFFSET_PNG= 42; public static final int OFFSET_GIF_BMP_TIF= 32; public static final short HEADER_LENGTH= 15* 4; public static final byte UUF= 1; public static final byte UEF= 3; public static final byte CUF= 5; public static final byte CEF= 7; private static Cipher cipher; private static SecretKeySpec spec; private static String masterExtension, message; //private static AboutFrame about= new AboutFrame(); private static File masterFile; …

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can anyone tell me how should i go about hiding messages in whitespaces in the end of a text for example | = whitespace hell my name is bob|| i work at home ||||

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[B]Hiding .exe file inside JPEG using python3[/B] Hi I would like to hide calc.exe inside the jpg and when I click to my JPEG I would like the calc.exe will execute. My python script do this 1.hide calc.exe file inside jpeg. 2.run calc.exe when I open my jpeg. [B]I will be thankful if you have better way![/B] import os, sys input_file = "python.jpeg" program = "calc.exe" output_filen = "snake.jpeg" open( output_filen, "wb" ).write( open( input_filen, "rb" ).read() + open( payload, "rb" ).read()) Regards Tony

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What are the latest trends in steganography (hiding message in another medium e.g. digital images, videos, sound file) and steganalysis(detecting presence of message in a file) in jpeg images? Is there a way to perform steganography or is there an existing steganography algorithm where the message will not be destroyed even if filters(e.g. binarize,blur,grayscale,etc) or modifications are applied on the stego-image? Thank you and Happy New Year!

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Is there a reliable method to extract the quantized DCT coefficients of a jpeg image? I can see that there is the jpeglib for manipulation of jpegs but I am wondering if someone has already used it and does the job I want to do. To extract the quantized DCT coefficients of each 8x8 block of a jpeg image. (As a matter of fact we are talking - I think - about decompression of a jpeg.) Any other solutions that may apply are fine too. Thanks. PS: I am trying to do a steganography project here...

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Steganography- to hide text into text. Very safe to transport information internet. HERE is [URL="http://www.programva.com/en/php-steganography-encryption"]PHP STEGANOGRAPHY example[/URL]. There is a list of phrases , which is mixed with Caesar cypher :). May somebody hnows another sites?

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I have an assignment that involves steganography. We have to read in a header of the picture file and all of its binary content and then modify certain parts of it. I'm having issues with reading in the header of a .ppm files which is written like this: P6 #comment text (width) (height) color depth Here's my issue. I can read in a file that doesn't have the comment line perfectly or I can read a file that does have a comment perfectly but I cannot seem to write code that handles both cases. The code that I currently have …

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The End.