cert.backing = XMLHelper::getAttrString(e, nullptr, backingFilePath);
if (cert.backing.empty())
throw XMLSecurityException("FilesystemCredentialResolver can't access certificate, backingFilePath missing from URL element.");
cert.backing = XMLHelper::getAttrString(e, nullptr, backingFilePath);
if (cert.backing.empty())
throw XMLSecurityException("FilesystemCredentialResolver can't access certificate, backingFilePath missing from URL element.");