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Home > Software > OpenPuff Steganography


OpenPuff - Yet not another steganography SW


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German introduction by users & Internet reviews.


OpenPuff ist ein Steganographie Tool mit hochsicherer Mehrfach-Verschlüsselung, welches sensible Daten verschlüsselt und in anderen Dateien versteckt:


  • OpenPuff schützt Ihre Daten (bis zu 256 MB) in einem mehrstufigen Verfahren, in welchem Daten zunächst mit einen doppelt passwortgeschützten Multikryptografie Verfahren, welches 16 hochsichere 256-Bit Verschlüsselungs-Algorithmen verwendet, verschlüsselt werden

  • In einem weiteren Schritt "Scrambling", ersetzt OpenPuff Bit-Folgen mit Hilfe des CSPRING Zufallsgenerator-Verfahrens und versieht Ihre Daten mit einem weiteren Passwortschutz

  • In der OpenPuff Verschlüsselungsebene III "Whitening" werden Ihre Daten durch CSPRING basierte Zufalls-Bit-Folgen noch mehr unkenntlich gemacht - ähnlich dem Hinzufügen von Bildrauschen in Bildern

  • Mit Adaptive non-linear encoding encodiert OpenPuff Ihre Daten in einem nicht linearen Verfahren, unter Verwendung von Bits der Trägerdatei

  • Darüber hinaus besteht die Möglichkeit, hochsicher verschlüssselte, sensible Daten in unverdächtigen Trägerdateien, mit weniger wichtigen Daten zu Tarnen (Decoy)


OpenPuff kann sensible Dateien auf mehrere Trägerdateien verteilen (sofern Sie genug Trägerdateien zur Verfügung haben) und die letzte Trägerdatei mit Zufallszahlen auffüllen, so dass diese sich nicht von anderen Trägerdateien unterscheidet. OpenPuff Trägerdateien:


  • Images-Bilddateien (BMP, JPG, PCX, PNG, TGA)

  • Audio-Dateien (AIFF, MP3, NEXT/SUN, WAV)

  • Video-Dateien (3GP, MP4, MPG, VOB)

  • Flash-Adobe Dateiformate (FLV, SWF, PDF)


OpenPuff ist auch als installationsfreie Portable Anwendung erhältlich, die darüber hinaus auch im sogenannten "Stealth Modus" verdeckt arbeitet.



OpenPuff is a professional steganography tool with unique features, suitable for highly sensitive data covert transmission.


  • Carrier chains:
    Data is split among many carriers. Only the correct carrier sequence enables unhiding. Moreover, up to 256Mb can be hidden, if you have enough carriers at disposal. Last carrier will be filled with random bits in order to make it undistinguishable from others.

  • Supported formats:
    Images, audios, videos, flash, adobe.

  • Layers of security:
    Data, before carrier injection, is encrypted (1), scrambled (2), whitened (3) and encoded (4).


  1. Layer 1 - Modern multi-cryptography:
    A set of 16 modern 256bit open-source cryptography algorithms (chosen from AES Process [1997-2000], NESSIE Process [2000-2003] and CRYPTREC Process [2000-2003]) has been joined into a doublepassword multi-cryptography algorithm (256bit+256bit):AES / Anubis / Camellia / Cast-256 / Clefia / FROG / Hierocrypt3 / Idea-NXT / MARS / RC6 / Safer+ / SC2000 / Serpent / Speed / Twofish / Unicorn-A

  2. Layer 2 - CSPRNG based scrambling:
    Encrypted data is always scrambled to break any remaining stream pattern. A new cryptographically secure pseudo random number generator (CSPRNG) is seeded with a third password (256bit) and data is globally shuffled with random indexes.

  3. Layer 3 - CSPRNG based whitening:
    Scrambled data is always mixed with a high amount of noise, taken from an independent CSPRNG seeded with hardware entropy.

  4. Layer 4 - Adaptive non-linear encoding:
    Whitened data is always encoded using a non-linear function that takes also original carrier bits as input. Modified carriers will need much less change and deceive many steganalysis tests (e.g.: chi square test).


  • Extra security - Deniable steganography:
    Top secret data can be protected using less secret data as a decoy.

  • Source code:
    This program relies on the libObfuscate system-independent open-source library. Users and developers are absolutely free to link to the core library (100% of the cryptography & obfuscation code), read it and modify it.


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VIDEO TUTORIALS & YOUTUBE


Thanks so much to the huge amount of time that people worldwide invested in creating these nice videos about OpenPuff.


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Video Manual - EN

 

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Video Manual - EN



A lot of work has been published about OpenPuff since the beginning of the project, back to version 1.01 released on December 2004. Some of the following papers describe new brilliant research in the steganography/steganalysis field, that will be surely included in the upcoming versions of OpenPuff.


FOR EXPERTS (difficulty: advanced)



PAPERS & ARTICLES (difficulty: advanced)



THESIS (difficulty: advanced)



LECTURES (difficulty: medium)



WEB REVIEWS (difficulty: easy)



REFERENCE IMAGES FOR STEGANOGRAPHY TESTING (difficulty: advanced)


All images in this section are high-quality, free of DCT artifacts and absolutely free to be used, cited, edited for any academic or software steganography-related development. Provided formats are BMP, JPG, PNG, RAW at 8/8/8 bit RGB color and 8 bit Greyscale, 512x512 and 256x256 resolution. All EXIF and ICC metadata info has been removed, to easily check if a steganography tool is actively adding metadata to a carrier. Artificial, NASA, Natural and Portrait images let you test the performance of a steganography implementation in different scenarios.


  • BMP: All 512x512x3/512x512x1/256x256x3/256x256x1 Artificial/NASA/Natural/People images (.ZIP 30.0MB)

  • JPG: All 512x512x3/512x512x1/256x256x3/256x256x1 Artificial/NASA/Natural/People images (.ZIP 21.7MB)

  • PNG: All 512x512x3/512x512x1/256x256x3/256x256x1 Artificial/NASA/Natural/People images (.ZIP 29.3MB)

  • RAW: All 512x512x3/512x512x1/256x256x3/256x256x1 Artificial/NASA/Natural/People images (.ZIP 39.8MB)


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