SSL Client Certificate

Demonstrates how to connect to an SSL server using a client-side certificate, send a simple message, receive a simple response, and disconnect.

Download Chilkat Java Library

import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    CkSocket socket = new CkSocket();

    boolean success;
    success = socket.UnlockComponent("Anything for 30-day trial");
    if (success != true) {
        System.out.println("Failed to unlock component");
        return;
    }

    //  Create an instance of a certificate store object, load a PFX file,
    //  locate the certificate we need, and use it for signing.
    //  (a PFX file may contain more than one certificate.)
    CkCertStore certStore = new CkCertStore();
    //  The 1st argument is the filename, the 2nd arg is the
    //  PFX file's password:
    success = certStore.LoadPfxFile("chilkat_secret.pfx","secret");
    if (success != true) {
        System.out.println(certStore.lastErrorText());
        return;
    }

    CkCert cert;
    cert = certStore.FindCertBySubjectCN("Chilkat Software, Inc.");
    if (cert == null ) {
        System.out.println(certStore.lastErrorText());
        return;
    }

    socket.SetSslClientCert(cert);

    boolean ssl;
    ssl = true;
    int maxWaitMillisec;
    maxWaitMillisec = 20000;

    //  The SSL server hostname may be an IP address, a domain name,
    //  or "localhost".  You'll need to change this:
    String sslServerHost;
    sslServerHost = "123.123.88.88";
    int sslServerPort;
    sslServerPort = 8123;

    //  Connect to the SSL server:
    success = socket.Connect(sslServerHost,sslServerPort,ssl,maxWaitMillisec);
    if (success != true) {
        System.out.println(socket.lastErrorText());
        return;
    }

    //  Set maximum timeouts for reading an writing (in millisec)
    socket.put_MaxReadIdleMs(20000);
    socket.put_MaxSendIdleMs(20000);

    //  Send a "Hello Server! -EOM-" message:
    success = socket.SendString("Hello Server! -EOM-");
    if (success != true) {
        System.out.println(socket.lastErrorText());
        return;
    }

    //  The server (in this example) is going to send a "Hello Client! -EOM-"
    //  message.  Read it:
    String receivedMsg;
    receivedMsg = socket.receiveUntilMatch("-EOM-");
    if (receivedMsg == null ) {
        System.out.println(socket.lastErrorText());
        return;
    }

    //  Close the connection with the server
    //  Wait a max of 20 seconds (20000 millsec)
    socket.Close(20000);

    System.out.println(receivedMsg);
  }
}