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44 lines
2.6 KiB
Markdown
44 lines
2.6 KiB
Markdown
<p align="center"><img src="icon_500.png" width="128"></p>
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<h1 align="center">inØsight</h1>
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<p align="center">This sentence contains hidden text you can only read by installing inzerosight.</p>
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<p align="center">
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<a href="https://addons.mozilla.org/en-US/firefox/addon/in0sight/">Firefox Add-on</a> · <a href="https://chromewebstore.google.com/detail/acnmohbphjmnbaboacmecidopeplkhog">Chrome Web Store</a>
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</p>
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---
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<p align="center">
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<img src="docs/inzerosight.gif" alt="inØsight demo">
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</p>
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<p align="center">
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<img src="docs/ui.png" alt="inØsight user interface">
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</p>
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### Sign
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When enabled, prepends an invisible zero-width signature to the output. This allows inØsight to automatically detect hidden messages across web pages, identify the base and cipher, and show the on-screen decode button.
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## How ZWUS Works
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1. Takes each character's Unicode code point. ZWUS-7 ranks printable ASCII first so common letters and spaces use short values.
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2. Converts the value to the chosen base (3, 6, or 7).
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3. Maps each resulting digit to its assigned zero-width character from the alphabet.
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4. Joins digits together; separates characters with the base's designated separator (also zero-width).
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The result is a string of invisible Unicode that carries the full original text. Decoding reverses the mapping: splits on the separator, looks up each zero-width character to recover the digit, parses the base-N number back to a code point, and reconstructs the string.
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For details regarding picking the optimal standard/base, see [docs/zwus.md](docs/zwus.md).
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For cipher details, see [docs/cipher.md](docs/cipher.md).
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## Use ZWUS in Your Own Projects
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The encoder/decoder is available as a standalone package for multiple languages:
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- **JavaScript/TypeScript:** [zwus on npm](https://www.npmjs.com/package/zwus)
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- **Rust:** [zwus on crates.io](https://crates.io/crates/zwus)
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> [!NOTE]
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> Encoding works with **all Unicode characters in existence** (`U+0000` to `U+10FFFF`), including every language script, emoji, and symbol.
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