FileOutputStream keyOut = new FileOutputStream(keyFile);
// Write the certificate in OpenSSL PEM format (important for the server)
StringWriter strWriter = new StringWriter();
JcaPEMWriter pemWriter = new JcaPEMWriter(strWriter);
pemWriter.writeObject(cert);
pemWriter.close();
// Line endings MUST be UNIX for the PC to accept the cert properly
OutputStreamWriter certWriter = new OutputStreamWriter(certOut);
String pemStr = strWriter.getBuffer().toString();