Privacy Policy

Your privacy is important to us. This policy explains how Chain Check handles data.

Information Collection

Chain Check collects the following information during operation:

  • Domain names and IP addresses for certificate analysis
  • SSL/TLS certificate data from analyzed servers
  • Basic server response metrics (response times, protocol versions)
  • Error logs for debugging purposes

Data Usage

The collected information is used for:

  • Performing SSL/TLS certificate analysis
  • Generating security reports and recommendations
  • Improving tool functionality and accuracy
  • Debugging and error resolution

Data Storage

Chain Check operates primarily as a command-line tool and:

  • Stores temporary data locally during analysis
  • Creates local log files for debugging
  • Optionally saves certificate files when requested
  • Does not maintain a persistent database
  • Does not send data to external servers (except for Certificate Transparency log queries)

Third-Party Services

Chain Check interacts with the following external services:

  • Certificate Transparency logs (crt.sh, Google CT)
  • Target servers for certificate analysis
  • OCSP responders for certificate validation

Data Protection

We protect your data by:

  • Operating entirely on your local system
  • Not collecting or transmitting personal information
  • Using secure connections for external queries
  • Implementing proper error handling and logging

User Control

Users have control over:

  • Which domains are analyzed
  • Whether to save certificate files locally
  • Log file retention and deletion
  • Certificate Transparency log queries

New Features and Data Handling

Recent additions to Chain Check include:

  • Certificate Transparency log analysis with privacy-aware queries
  • Enhanced server health monitoring with configurable metrics
  • Comprehensive security scanning with user-controlled scope
  • Interactive CLI with local command history

Updates

This privacy policy may be updated occasionally. Last updated: January 2024.