/ca-certificate-updater

Simple utility to update root CA certificates

Primary LanguagePythonCreative Commons Zero v1.0 UniversalCC0-1.0

ca-certificate-updater Proof-of-Concept program

ca-certificate-updater is a conceptual tool designed for automatic root certificate updates with minimal user intervention.

🔥 Features

  • Retrieves the latest root certificate directly from the Certificate Authority (CA).
  • Analyzes the Distinguished Name (DN) in the certificate to obtain the source link.
  • Uses the OU field or additional X.509 parameters to locate the latest certificate version.
  • Verifies expiration dates and consistency with the old certificate before installation.
  • Automatically replaces outdated certificates in the system upon successful validation.

⚙️ Installation

Requirements:

  • Python 3.8+
  • OpenSSL

Install dependencies

pip install -r requirements.txt

🚀 Usage

python ca-certificate-updater.py --cert /path/to/old_cert.pem

Options:

  • --cert — path to the outdated root certificate.
  • --verbose — enable detailed output.

📌 Notes

  • This project is a Proof-of-Concept and will not be further developed.
  • A compiled language is recommended for production use to enhance security.
  • A standardized API for CA interaction may be required in the future.

📜 License

Creative Commons CC0 1.0 Universal (Public Domain Dedication)

🤝 Contribution

This project is for demonstration purposes only. No further contributions are expected. 🛠