Java

SSL Client Certificate

See more Socket/SSL/TLS Examples

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

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[])
  {
    boolean success = false;

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkSocket socket = new CkSocket();

    // 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;
        }

    // Find the certificate by the subject common name:
    CkJsonObject jsonCN = new CkJsonObject();
    jsonCN.UpdateString("CN","cert common name");

    CkCert cert = new CkCert();
    success = certStore.FindCert(jsonCN,cert);
    if (success == false) {
        System.out.println(certStore.lastErrorText());
        return;
        }

    success = socket.SetSslClientCert(cert);

    boolean ssl = true;
    int 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 = 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 = socket.receiveUntilMatch("-EOM-");
    if (socket.get_LastMethodSuccess() != true) {
        System.out.println(socket.lastErrorText());
        return;
        }

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

    System.out.println(receivedMsg);
  }
}