@Override
    protected void internalInit(final boolean forceReinit) {
        setProfileDefinitionIfUndefined(new CommonProfileDefinition(x -> new X509Profile()));
    }
Authenticates {@link X509Credentials}. Like the SubjectDnX509PrincipalExtractor in Spring Security.

@author Jerome Leleu
@since 3.3.0
pac4j-http/src/main/java/org/pac4j/http/credentials/authenticator/X509Authenticator.java