}
			kmsConf = kms.Config{
				Endpoints:    endpoints,
				DefaultKeyID: env.Get(kms.EnvKESKeyName, ""),
				APIKey:       key,
				RootCAs:      rootCAs,
			}
		} else {
			loadX509KeyPair := func(certFile, keyFile string) (tls.Certificate, error) {
				// Manually load the certificate and private key into memory.