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---
title: Encrypted Text Classifier
emoji: 🔐
colorFrom: gray
colorTo: blue
sdk: streamlit
sdk_version: 1.45.1
app_file: app.py
pinned: false
---
# 🔐 Encrypted Text Classifier – 20 Newsgroups Cipher Challenge
This project is built for the [Kaggle Ciphertext Challenge](https://www.kaggle.com/competitions/20-newsgroups-ciphertext-challenge), where the goal is to classify encrypted text documents into 20 different newsgroup categories.
🎯 Even without decrypting the text, we trained a character-level machine learning model that achieves over **63% accuracy**.
---
## 📂 Project Structure
cipher-classifier/
├── app.py # Streamlit app
├── cipher_classifier.pkl # Pickled model + vectorizer
├── train.csv # Kaggle training data
├── requirements.txt # Libraries for deployment
└── README.md
---
## 🧠 Model Overview
- **Input:** Ciphertext strings (unreadable encrypted text)
- **Vectorization:** `CountVectorizer` with char-level n-grams (1 to 3)
- **Model:** Logistic Regression (sklearn)
- **Accuracy:** ~63% (without decryption)
---
Example Output
Input (Ciphertext) Predicted Label
['W')(7x1zay7Hb3... 15
Tx4a8M\HNsyp;HM... 8
📦 Deployment
This app is designed to run on:
🟢 Hugging Face Spaces
🟢 Streamlit Cloud
🔵 GitHub
📌 Kaggle Link
You can download the dataset from the official competition:
👉 Kaggle – 20 Newsgroups Ciphertext Challenge |