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feat: add fill-in-the-blank cipher mode

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Xavier V
2026-09-15 17:46:59 -04:00
parent 98917ccbf9
commit 4e24e2d989
6 changed files with 211 additions and 22 deletions
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README.md
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@@ -13,7 +13,7 @@ An AI-powered desktop application built with **Rust** and **Tauri v2** that gene
## 🌟 Key Features
* **8 Cipher Engines**:
* **9 Cipher Engines**:
* **Elder Futhark Runes**: Custom handwritten runic character map.
* **Caesar Shift**: Dynamic rotational shift ($1..25$).
* **Atbash Cipher**: Reversed alphabet substitution.
@@ -22,6 +22,7 @@ An AI-powered desktop application built with **Rust** and **Tauri v2** that gene
* **Rail Fence (Zig-Zag)**: Multi-rail transposition matrix.
* **Affine Cipher**: Mathematical linear function cipher ($E(x) = (ax + b) \pmod{26}$).
* **A1Z26 Numeric**: Positional index substitution.
* **Fill in the Blank**: Assigns every letter a unique number from `01` to `26`, reveals a few mappings as clues, and preserves repeated-letter patterns.
* **Local AI Integration & Fallback Support**: Connects to a local [Ollama](https://ollama.com/) instance (`llama3.2:1b`) to generate dynamic quotes. If Ollama is not installed or running, the engine automatically uses internal text prompts.
* **Difficulty Scaling**:
* **Easy**: Preserves original word boundaries, spaces, and punctuation. Generates detailed letter frequency and vowel count hints.
@@ -31,6 +32,10 @@ An AI-powered desktop application built with **Rust** and **Tauri v2** that gene
* `cipher_challenge.txt`: Formatted ciphertext ready to solve.
* `cipher_hint.txt`: Cryptanalytic structural metrics and riddle clues.
* `cipher_solution.txt`: Full original plaintext and decryption parameters/keys.
### Fill in the Blank Mode
This mode creates a numeric substitution puzzle. Each letter is assigned a unique number from `01` to `26`; the same letter always produces the same number, while different letters never share a number. Word boundaries remain visible in the challenge, and `cipher_hint.txt` reveals a small number of starter mappings based on the selected difficulty. The complete alphabet mapping is available only in `cipher_solution.txt`.
* **Cross-Platform Support**: Native desktop GUI built for macOS and Windows.
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