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CryptoEngine — Secure Encryption & Signing Toolkit

Project description

🔐 CryptoEngine

Secure Encryption, Signing & Verification


Secure encryption, signing & verification


📌 Overview

CryptoEngine enhances secure sharing of sensitive information across networks.
It is recommended for:

  • Students
  • Developers
  • Security professionals
  • Cybersecurity enthusiasts

CryptoEngine is a local-first desktop application. All operations happen on your machine — no data is sent to any remote service.


✨ Features

🔑 Hybrid Cryptography

  • RSA + AES hybrid encryption
  • Encrypt data using SSH-compatible RSA public keys
  • Decrypt using stored or manual private keys

✒ Digital Signatures

  • Create detached digital signatures for files or text
  • Verify message integrity and authenticity using public keys

🧮 Hashing Toolkit

  • Compute hashes for files and text:
    • SHA-256
    • SHA-1
    • MD5
  • Easy copy of hex and Base64 digests

🗝 Key Manager

  • Save and manage named public keys
  • Save and manage private key file paths
  • Generate new SSH RSA key pairs from inside the app
  • Password-protect private keys during generation

🖥 Desktop UI

  • Tabbed interface:
    • Hashing
    • Encrypt
    • Decrypt
    • Signature Verify
    • Key Manager
    • About
  • Designed for dark themes and developer workflows

🧰 Technology Stack

CryptoEngine is built with:

  • Python 3
  • PyQt6 for the native desktop UI
  • cryptography library for RSA, AES, and signing
  • A hybrid RSA + AES design for efficient, secure encryption

📦 Installation

  pip install cryptoengine --upgrade

🏗️ Build Instructions (macOS, Windows & Linux)

CryptoEngine ships as pure Python + PyQt6, so you can build binaries using PyInstaller.

Ensure dependencies installed:

pip install -r requirements.txt
pip install pyinstaller

🍏 macOS (.app bundle)

    pyinstaller \
    --name CryptoEngine \
    --windowed \
    --icon ssh_encryptor/assets/icon.icns \
    --add-data "ssh_encryptor/assets:assets" \
    run.py

🪟 Windows (.exe)

    pyinstaller ^
    --onefile ^
    --windowed ^
    --icon ssh_encryptor/assets/icon.ico ^
    --add-data "ssh_encryptor\\assets;assets" ^
    run.py

🐧 Linux (binary or AppImage)

    pyinstaller \
    --name CryptoEngine \
    --windowed \
    --icon ssh_encryptor/assets/icon.png \
    --add-data "ssh_encryptor/assets:assets" \
    run.py

👤 Developer



@wmhchathuranga Director — Bitrate Solutions (Pvt) Ltd. 📧 wmhchathuranga@bitrate.lk

📝 License

CryptoEngine is open-source and released under the MIT License.
You may use, modify, and redistribute freely.

See: LICENSE

📛 Trademark Notice

CryptoEngine™ and the CryptoEngine logo are trademarks of
Harshana Chathuranga / Bitrate Solutions (Pvt) Ltd.

You may not:

  • redistribute commercial products named CryptoEngine
  • use the name or logo to imply endorsement
  • publish forks/binaries under the CryptoEngine™ name

See: TRADEMARK.md

For commercial or white-label licensing: 📧 wmhchathuranga@bitrate.lk

❤️ Enjoy using CryptoEngine!

If you want badges, animated GIF demo, or an installer .pkg section, give the word — we’ll upgrade it 💪

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