Get SSL Server Certificate

Demonstrates how to retrieve the SSL server certificate for a site. This method establishes an SSL/TLS connection with a web server for the purpose of retrieving the SSL certificate, which may then be examined via the Chilkat certificate API.

 Chilkat Java Library Downloads for Windows, Linux, and MAC OS X

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[])
  {
    CkHttp http = new CkHttp();

    boolean success;

    //  Any string unlocks the component for the 1st 30-days.
    success = http.UnlockComponent("Anything for 30-day trial");
    if (success != true) {
        System.out.println(http.lastErrorText());
        return;
    }

    //  Notice:  The GetServerSslCert method is available in any
    //  release dated after 7-April-2009

    //  Get the SSL cert for paypal.com
    CkCert cert;
    cert = http.GetServerSslCert("paypal.com",443);
    if (cert == null ) {
        System.out.println(http.lastErrorText());
    }
    else {
        System.out.println(cert.subjectDN());

    }


  }
}