Testing the Chrome Root Store and Certificate Verifier

Last updated: September 1, 2022

To test the Chrome Root Store & Certificate Verifier, do the following:

On Windows (M102 or higher)

  1. Enable the Chrome Root Store & Certificate Verifier by starting Chrome with the following flag:
    --enable-features=ChromeRootStoreUsed

  2. Navigate to https://rootcertificateprograms.edicom.es/ (trusted by Windows, but not the Chrome Root Store)

    • Expected outcome with Chrome Root Store enabled: Page does not load (NET::ERR_CERT_AUTHORITY_INVALID)
    • Expected outcome with Chrome Root Store disabled: Page loads

On macOS (M105.0.5122.0 or higher)

  1. Enable the Chrome Root Store & Certificate Verifier by starting Chrome with the following flags:
    --enable-features=ChromeRootStoreUsed

  2. Navigate to https://valid-ctrca.certificates.certum.pl/ (not trusted by macOS, but trusted by the Chrome Root Store)

    • Expected outcome with Chrome Root Store enabled: Page does not load (NET::ERR_CERTIFICATE_TRANSPARENCY_REQUIRED)
    • Expected outcome with Chrome Root Store disabled: Page does not load (NET::ERR_CERT_AUTHORITY_INVALID)