steganography Questions
9
Solved
How can I write some information inside a photo file like jpg or gif without destroying the image? and of course without showing it on the photo since the whole idea is to send information in the f...
Pre asked 1/8, 2009 at 8:19
4
Solved
I'm working on Steganography application. I need to hide a message inside an image file and secure it with a password, with not much difference in the file size. I am using Least Significant ...
Shonda asked 9/5, 2010 at 15:39
3
I read an article about new steganographic method: "Time is on my side: Steganography in filesystem metadata" http://www.sciencedirect.com/science/article/pii/S1742287616300433. It is very in...
Emrick asked 16/11, 2016 at 11:13
3
I have a file music.mp3. After using binwalk, I get the result:
pexea12@DESMICE:~/Downloads$ binwalk music.mp3
DECIMAL HEXADECIMAL DESCRIPTION
----------------------------------------------------...
Zigrang asked 10/4, 2016 at 13:52
12
Solved
I wish to put some text on a page and hide some data in that text. Does anybody know of any methods / patterns that have been used in the past to solve this problem?
Example: I have the following ...
Orthogonal asked 6/12, 2008 at 0:3
1
Solved
I'm working on an mp3 Steganography project and i want to encode text inside the mp3 file by manipulating Least Significant Bits(LSB) at regular intervals. I want to encode that text without making...
Throe asked 27/9, 2015 at 23:14
2
Is there any example how I can search and download a random image from google? Using a random search string?
I want to use this image as steganography image and I want it to be a random one.
I ...
Glennaglennie asked 8/1, 2015 at 17:44
1
Is it possible to pack analytics code within an image and have that code fire when the image is loaded on a webpage?
The image would be inserted onto a page through a file upload form field such a...
Forzando asked 4/6, 2015 at 3:7
4
I was reading an article explaining How to Hide Files in JPEG Pictures.
I am wondering how it's possible for a file to contain both jpeg data and a rar file without any visible distortion either t...
Sawhorse asked 14/4, 2015 at 16:7
1
Solved
I have this for encoding data in jpeg images in java. I am converting the text to its binary form and insert it to the LSB (depending on what the user has chosen.1,2,3,4) of the RGB in each pixel f...
Lauro asked 16/4, 2015 at 14:26
1
Solved
I'm really curious about that because nowadays every channel could modify or compress images some way which could be considered as a attack on steganography.
We can divide steganography to t...
Ballistics asked 2/6, 2013 at 19:11
3
Solved
I have created a service that hides text inside photographs. For example:
$img_name = "myimage.jpeg";
$orig_contents = file_get_contents($img_name);
$msg = "My secret.";
$fp = fopen($img_name, "w...
Revere asked 10/10, 2013 at 21:51
3
Solved
Can somebody help me, to find a library, or a detailed description of algorithm, that could embed a Digital watermark(invisible watermark, just a kind of steganography) to a jpeg/png file. But the ...
Brie asked 3/2, 2012 at 11:31
3
Solved
I have a data structure with 6000 elements and for each element I need to store 7 bits of info. If I naively store it as an array of 6000 elements filled with numbers, it takes up around 22 KB. I a...
Aldridge asked 21/6, 2013 at 5:4
1
Using Stepic 0.3. I am executing commands to encode a message into a JPG image. The code I use is the following:
from PIL import Image
import stepic
im = Image.open ("tester.jpg")
im2 = stepic.en...
Overzealous asked 30/5, 2013 at 14:4
3
Can somebody tell me, where is possible to hide some data into PDF file? In other words, steganography in PDF files. Is there any algorithm to do this?
Rundle asked 19/4, 2013 at 18:43
1
Solved
In steganography, the least significant bit (LSB) substitution method embeds the secret bits in the place of bits from the cover medium, for example, image pixels. In some methods, the Discrete Wav...
Methane asked 4/4, 2013 at 4:57
1
Trying to do basic Steganography on a PPM Image.
I have the basic algorithm completed. Read in the file, check the header starts with P6, get the image width and height, and the pixel data.
I nee...
Mcclinton asked 27/3, 2013 at 3:45
3
Solved
I'm working in matlab processing images for steganography. In my work so far I have been working with block processing command blockproc to break the image up into blocks to work on it. I'm now loo...
Tackle asked 2/3, 2011 at 10:47
2
By library I mean a use-ready .jar distribution.
Image steganography would suffice. Working with JPEG, PNG and BMP would be enough too.
Google yields no usable results - mostly explanations...
Shielashield asked 14/3, 2012 at 11:56
2
I need a program that will embed an invisible mark (not big text info, 256bytes max) in an image. But I could not find a good library (in any language, better if c/c++). I found a lot of literature...
Magnetoelectricity asked 2/2, 2012 at 13:31
2
Solved
I have 160 bits of random data.
Just for fun, I want to generate an English pseudo-poem to "store" this information in. I want to be able to recover this information from the poem. ...
Centaurus asked 15/1, 2011 at 6:6
1
Solved
I have 160 bits of random data.
Just for fun, I want to generate pseudo-English phrase to "store" this information in. I want to be able to recover this information from the phrase.
Note: This i...
Jared asked 15/1, 2011 at 5:41
1
Solved
Background
The idea is this:
Person provides contact information for online book purchase
Book, as a PDF, is marked with a unique hash
Person downloads book
PDF passwords are easy to circumvent,...
Geraldine asked 27/12, 2010 at 2:40
4
Solved
Somewhere I found out steganography .. the way of storing or hiding information within another information.. at times certain images are also used to hide the information.. Can i get an example or ...
Striated asked 9/12, 2009 at 5:55
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