How can I get a list of trusted root certificates in Java?

Question

I would like to be able to get access to all trusted root certificates programmatically in a Java app.

I was looking at the keystore interface, but I\'m hoping to

Answer 1

This should be more flexible using the default trust store in the system to get all certificates:

TrustManagerFactory trustManagerFactory =
   TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
List x509Certificates = new ArrayList<>();
trustManagerFactory.init((KeyStore)null);                 
Arrays.asList(trustManagerFactory.getTrustManagers()).stream().forEach(t -> {
                    x509Certificates.addAll(Arrays.asList(((X509TrustManager)t).getAcceptedIssuers()));
                });

```