# 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 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)