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Questions tagged [steganography]

Steganography is the study of hidden information in pictures, text, audio or video. It covers both methods of concealing information and methods of detecting hidden information.

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Meaning of these particular pointers

I'm hesitant to consider this a valid question so close or downvote if you wish, I promise not to be offended :-) I've just been watching Herb Sutter's excellent CppCon2018 talk on making C++ more powerful and simpler at the same time. I'd strongly…
paxdiablo
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Bitmap color change while compressing to png

I'm currently working on a steganogrpahy android app as a class project. I've created an object that will encode an image with in another image and return an encoded bitmap. This code is run in a seprate thread. new Thread(new Runnable() { …
alex.m.brown
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Hiding data inside an mp3 file

I am currently working on a project to hide data inside an mp3 file...What I did was, I replaced the last BYTE of every mp3 frame with the bytes from message file(the file to be hidden)... It works fine... I could hide the file in it and also…
Rzr
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Linux - modify file modify/access/change time

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 interesting and makes me thinking about one thing. Is it…
Krystian
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Understanding Mp3 file structure

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 any significant changes in the audio. And according…
Blunt Dagger
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Making .NET program that hides an image inside an image

I want to start a little pet project that will allow a user to pic an image and then hide that image within another image. Meaning that if you open the dummy-image that's all you'll see. But if you open the dummy-image with my software you'll see…
Sergio Tapia
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How do I hide a file inside an image with Python?

I know it's possible in Batch using the 'copy' command with the '/B' switch, i.e.: copy /B imagefile+hiddenfile newfile My question is this; Is it possible to do this in Python, and if so, how? This question is very similar, and it's answer is…
mickdekkers
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Reversible shuffling a int array in java

I have a int array of considerably large size. I need to shuffle the array completely using a key. I should be able to obtain the original array using the same key. I searched for any shuffle algorithms but the one i found like Fisher Yates does not…
Amar C
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DCT method implementation for image steganography

I need to implement a program that embeds text message inside an image (PNG or BMP it doesn't matter) using DCT matrix for hiding message. I read some articles but most of them very complex. Here is the basic steps: Break an image into 8x8 blocks…
Pavel Shchegolevatykh
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How to alter color value of a pixel in a bitmap Image and then extract it?

How can I change and access the color value that is stored in a specific position of an image? I tried to save an image with the pixel at coordinates (10, 10) changed. I altered the red color value to the value 65 to represent the ASCII character A.…
Ali Al-Emad
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video-steganography in java

I need to create steganographic videos (videos with data hidden in them) for my project. I need to carry this out by extracting all the frames from a video and then hiding data in the selected frames by replacing bits in the LSB of the pixel color…
prakhar saxena
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Qt QImage pixel manipulation problems

I'm currently in the process of writing a steganography application with Qt. I am trying to hide my message bits in the least significant bit of the blue colour of the pixel. From debugging I can tell that this section is working as it should.…
mdec
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Tough Python riddle - Least Significant Bit Steganography over triangular series

I have an image with a hidden message (Steganography), and my only clue of finding out what the hidden message is, a hint which said: "LSBit Steganography Over Triangular Series". My intuition thought that the message is hidden within the least…
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Bit extraction and Steganography

I am playing around with steganography. I am trying to pull a text file from a image. I am able to read the file, get the bits, but I have an issue with the extraction of these bits. int getbits( pixel p) { return p & 0x03; } char extract (…
Joe Tyman
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How can I store raw data in an image file?

I have some raw data in a file that I would like to store in an image file (bmp, jpg, png, or even gif (eegad)). I would like this to be a two way process: I need to be able to reliably convert the image file back later and get a file that is…
shabbychef
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