| # 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: <br>`--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: <br>`--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 loads |
| - **Expected outcome with Chrome Root Store disabled:** Page does not load |
| (NET::ERR_CERT_AUTHORITY_INVALID) |
| |
| ## On Android (M114.0.5733.0 or higher) |
| |
| 1. Enable the Chrome Root Store and Certificate Verifier by going to |
| chrome://flags, searching for the flag "Chrome Root Store", and set it to |
| enabled. This will then require Chrome to restart. |
| |
| 2. Navigate to https://valid-ctrca.certificates.certum.pl/ (not trusted by |
| Android 13, but trusted by the Chrome Root Store) |
| - **Expected outcome with Chrome Root Store enabled:** Page loads |
| - **Expected outcome with Chrome Root Store disabled:** Page does not load |
| (NET::ERR_CERT_AUTHORITY_INVALID) |
