Stegosaurus

About

Stegosaurus is a linux command line tool for wav and png steganography, complete with encryption and compression capabilities

This repository is focused on stego + proof artifact generation and does not implement on-chain registration/authentication state.

Payloads are handled as raw bytes, so you can hide text files, image files (for example iris scans), and other binary files.

For biometric workflows, you can hash the payload first and embed only the Poseidon-style hash digest by adding --poseidon-hash (or --ph) to hf.

Usage

run make to initially compile the source code

./stego h to display help with the tool

NPM Packaging (Frontend)

Build package artifacts:

npm run build:npm

Publish flow:

npm login
npm publish

Frontend usage:

import { createZkEnigmaWasm } from "zknigma-wasm";

const sdk = await createZkEnigmaWasm();
const stegoPng = sdk.hidePng({
	coverBytes: new Uint8Array(coverArrayBuffer),
	messageBytes: new Uint8Array(messageArrayBuffer),
	encrypt: true,
	compress: true,
	key: "0123456789abcdef",
	iv: "fedcba9876543210",
});

Dependencies

• boost libraries
• libPNG