Questions tagged [steganography]

Steganography is the art of hiding data within other data. Ann sends a message to Bob. With encryption Eve could see the message but not read it. With steganography Eve would not see the message.

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Detecting steganography in JPG, PNG, and BMP

I have a little problem about my research on steganography. For short, I used StegSpy 2.1 to run a test for my stego images. I used 9 JPG images, 9 BMP images, and 9 PNG images. From all of them, ...
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Risks from network steganography

I happened to learn that there is an actively researched IT-security field named network steganography. Could experts give a short overview of the current state of affairs, especially about the extent ...
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PGP 'forced entry' decode (steganography?)

This was originally posted by me on stackoverflow but was deemed too generic. It does seem like an impossible thing to do, but: you know when you have your perimeter alarm system you usually get to ...
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JPEG file SOS marker before SOF

I'm looking over some JPEG files with an assumption that a steganography has been used for trial obfuscation due to the installation of JPHS. I've come across a file where the start of scan marker ...
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Alter an ASCII character without detection?

If it were possible to alter an ASCII character without detection--that could only be "seen" by the intended receiver of a message--it would be ciphertext heaven. Consider Bacon's Bilateral Cipher (...
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Audio steganography and DRM

I recently made a post about an audio steganography program and had another concern I thought I might ask. I understand that most music has DRM in them. If I hide secret files in audio files with DRM ...