docs: protected KeyStore buildKeyStoreFromResources(String... certResources) throws KeyStoreException, CertificateException, NoSuchAlgorithmException, IOException{
  		KeyStore keyStore = KeyStore.getInstance(KeyStore.getDefaultType());
  		keyStore.load(null);
  		for (String res: certResources){
  			X509Certificate cert = loadX509CertificateFromResource(res);
  			String alias = cert.getSubjectX500Principal().getName();
  			keyStore.setCertificateEntry(alias, cert);
  		}
  		return keyStore;
  	}