return rootCerts, fmt.Errorf("failed to read root certificates (%v)", err)
		}
		rootCerts = AppendCertByte(pemCert, certBytes)
	}
	return rootCerts, nil
}

// AppendCertByte: Append x.509 rootCert in bytes to existing certificate chain (in bytes)
func AppendCertByte(pemCert []byte, rootCert []byte) []byte {
	rootCerts := []byte{}
	if len(pemCert) > 0 {
		// Copy the input certificate