Terms of Service

By using Chain Check, you agree to these terms. Please read them carefully.

Usage Terms

• Chain Check is provided “as is” without warranty of any kind
• You may use this tool for both personal and commercial use
• You are responsible for how you use this tool
• Do not use this tool for unauthorized security testing

Limitations

• The tool performs basic SSL/TLS certificate analysis only
• We are not responsible for any decisions made based on the tool’s output
• Certificate validation results should be verified with other tools for critical systems

Disclaimer

Chain Check is not a replacement for professional security auditing tools. While we strive for accuracy, you should not rely solely on this tool for security-critical decisions.

Open Source Policy

Chain Check is open source software released under the MIT License. This means:

• You can freely use, modify, and distribute the software
• The source code is publicly available on GitHub
• You must include the original license and copyright notice
• No warranty is provided with the software

Third-party libraries used by Chain Check are subject to their respective licenses:

• OpenSSL - Apache License 2.0
• asn1crypto - MIT License
• certvalidator - MIT License
• prompt_toolkit - BSD License
• tabulate - MIT License
• tqdm - MIT License, Mozilla Public License 2.0

Contributions

Contributions to Chain Check are welcome. By submitting code or other content, you agree to license your contribution under the same MIT License terms.

Updates

These terms may be updated occasionally. Last updated: January 2024.