/**
* Load file certificate and private key from applicationName.der & .pfx - or create ones if they
* do not exist
*
* @return the KeyPair composed of the certificate and private key
* @throws ServiceResultException
*/
private static KeyPair getOPCCert(String applicationName) throws ServiceResultException {
File certFile = new File(applicationName + ".der");
File privKeyFile = new File(applicationName + ".pem");
try {
Cert myServerCertificate = Cert.load(certFile);
PrivKey myServerPrivateKey = PrivKey.load(privKeyFile, PRIVKEY_PASSWORD);
return new KeyPair(myServerCertificate, myServerPrivateKey);
} catch (CertificateException e) {
throw new ServiceResultException(e);
} catch (IOException e) {
try {
String hostName = InetAddress.getLocalHost().getHostName();
String applicationUri = "urn:" + hostName + ":" + applicationName;
KeyPair keys =
CertificateUtils.createApplicationInstanceCertificate(
applicationName, null, applicationUri, 3650, hostName);
keys.getCertificate().save(certFile);
PrivKey privKeySecure = keys.getPrivateKey();
privKeySecure.save(privKeyFile, PRIVKEY_PASSWORD);
return keys;
} catch (Exception e1) {
throw new ServiceResultException(e1);
}
} catch (NoSuchAlgorithmException e) {
throw new ServiceResultException(e);
} catch (Exception e) {
throw new ServiceResultException(e);
}
}