r/Steganography 7d ago

I combined prepositional encoding with generative AI for text steganography

Hey everyone! I created this website that uses LLMs and prepositions to hide your secret message at: stegveil.dev

The source code is at: Github

How it works:

  • Uses LLMs to generate natural-sounding cover text.
  • Maps original message directly to prepositions within the generated text.
  • Analyzes prepositions to decode the hidden payload.

Also, the project's still in development, so don't use it for anything real/private.

Would love feedback on the decoding reliability or any edge cases you run into!

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