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1# Testing the Chrome Root Store and Certificate Verifier
2Last updated: September 1, 2022
3
4To test the Chrome Root Store & Certificate Verifier, do the following:
5
6## On Windows (M102 or higher)
71. Enable the Chrome Root Store & Certificate Verifier by starting Chrome with
8the following flag: <br>`--enable-features=ChromeRootStoreUsed`
9
102. Navigate to https://rootcertificateprograms.edicom.es/ (trusted by Windows,
11but not the Chrome Root Store)
12     - **Expected outcome with Chrome Root Store enabled:** Page does not load
13     (NET::ERR_CERT_AUTHORITY_INVALID)
14     - **Expected outcome with Chrome Root Store disabled:** Page loads
15
16## On macOS (M105.0.5122.0 or higher)
171. Enable the Chrome Root Store & Certificate Verifier by starting Chrome with
18the following flags: <br>`--enable-features=ChromeRootStoreUsed`
19
202. Navigate to https://valid-ctrca.certificates.certum.pl/ (not trusted by
21macOS, but trusted by the Chrome Root Store)
22     - **Expected outcome with Chrome Root Store enabled:** Page loads
23     - **Expected outcome with Chrome Root Store disabled:** Page does not load
24     (NET::ERR_CERT_AUTHORITY_INVALID)
25
26## On Android (M114.0.5733.0 or higher)
27
281. Enable the Chrome Root Store and Certificate Verifier by going to
29   chrome://flags, searching for the flag "Chrome Root Store", and set it to
30   enabled. This will then require Chrome to restart.
31
322. Navigate to https://valid-ctrca.certificates.certum.pl/ (not trusted by
33Android 13, but trusted by the Chrome Root Store)
34     - **Expected outcome with Chrome Root Store enabled:** Page loads
35     - **Expected outcome with Chrome Root Store disabled:** Page does not load
36     (NET::ERR_CERT_AUTHORITY_INVALID)
37