kasimok

 //Get file from resources folder
        ClassLoader classLoader = getClass().getClassLoader();
        File file = new File(classLoader.getResource("certs/root/ca-key.pkcs8").getFile());
        return readPrivateKey(file.getPath());

kasimok

Client-side SSL

For excessively paranoid client authentication.

Using self-signed certificate.

Create a Certificate Authority root (which represents this server)

Organization & Common Name: Some human identifier for this server CA.

openssl genrsa -des3 -out ca.key 4096
openssl req -new -x509 -days 365 -key ca.key -out ca.crt

kasimok

    /**
     * Extract the issuer cert's URI from cert.
     * @param var0
     * @return
     */
    private URI getIssuerCertURL(X509CertImpl var0) {
        AuthorityInfoAccessExtension var1 = var0.getAuthorityInfoAccessExtension();
        if(var1 == null) {
            return null;
        } else {

kasimok

 RandomAccessFile raf = new RandomAccessFile("certs/client/client.cer.pem", "r");
 byte[] buf = new byte[(int) raf.length()];
 raf.readFully(buf);
 raf.close();

kasimok

    /**
     * Read PEM certificate into javax.security.x509Certificate.
     * @param certText
     * @return
     */
    private X509Certificate readPemCert(String certText) {
        CertificateFactory certificateFactory = null;
        try {
            certificateFactory = CertificateFactory.getInstance("X.509");

kasimok

 public static boolean available(int port) {
        if (port < MIN_PORT_NUMBER || port > MAX_PORT_NUMBER) {
            throw new IllegalArgumentException("Invalid start port: " + port);
        }

        ServerSocket ss = null;
        DatagramSocket ds = null;
        try {
            ss = new ServerSocket(port);
            ss.setReuseAddress(true);