final String pathToKeyStore = samlProperties.getProperty(DotSamlConstants.DOTCMS_SAML_KEY_STORE_PATH);
final String keyStorePassword = samlProperties.getProperty(DotSamlConstants.DOTCMS_SAML_KEY_STORE_PASSWORD);
final String keyStoreType = samlProperties.getProperty(DotSamlConstants.DOTCMS_SAML_KEY_STORE_TYPE, KeyStore.getDefaultType());

if ( pathToKeyStore != null && keyStorePassword != null && keyStoreType != null) {
    try {
        SamlUtils.readKeyStoreFromFile(pathToKeyStore, keyStorePassword, keyStoreType);
    } catch (DotSamlException e){
        otherErrors.add("Error reading Key Store");
    }
}