camouflage-decryptor 0.2.0

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camouflage-decryptor

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This is a tool to extract information from files that have been generated with camouflage.

Table of Contents

• Installation
• Usage
• License

Installation

pip install camouflage-decryptor

Usage

This tool provides different tools for analyzing a file that has been generated with camouflage. This includes the following:

Metadata retrieval

To retrieve all the camouflage metadata from a prepared file the following command can be used:

camouflage-decryptor get-key camouflaged-file.jpg

The output will look similar to this one:

File Name Carrier:             normal_file.png
File Name Secret:              secret.txt
Size secret file:              4.00 B
File size unmodified carrier:  4.00 B
Camouflage Version:            v1.2.1
Password:                      very-secret-password

'Carrier' refers to the file that has been used to hide the secret file. 'Secret' refers to the file that has been hidden in the carrier file.

Password retrieval

To get the password only from a stego file:

camouflage-decryptor get-key my-stego-file.jpg

Secret file retrieval

To retrieve the secret file from a stego file and save it to a file (here: secret.txt):

camouflage-decryptor get-data my-stego-file.jpg > secret.txt

This solution only works on Linux and Mac OS X. On Windows, the following command can be used:

python -m camouflage-decryptor get-data my-stego-file.jpg | Out-File -Encoding utf8 secret.txt

Get unmodified carrier file

To get the unmodified carrier file from a stego file (-> remove the part added by camouflage) and save it to a file (here: carrier.png):

camouflage-decryptor get-original camouflaged-carrier.png > carrier.png

This solution only works on Linux and Mac OS X. On Windows, the following command can be used:

python -m camouflage-decryptor get-original camouflaged-carrier.png | Out-File -Encoding utf8 carrier.png

Usage on Windows

For all presented commands you might need to use the following syntax to call the script, e.g. if on Windows:

python -m camouflage_decryptor get-key my-stego-image.jpg

License

camouflage-decryptor is distributed under the terms of the EUPL-1.2 license.