Export All Certificates to .cer Files

Demonstrates how to export all certificates from a registry-based certificate store to .cer files where each filename is the serial number.

 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[])
  {

    CkCreateCS ccs = new CkCreateCS();
    ccs.put_ReadOnly(true);

    //  Open the current-user certificate store:
    CkCertStore cs;
    cs = ccs.OpenCurrentUserStore();

    if (!(cs == null )) {

        CkCert cert;
        int numCerts;
        numCerts = cs.get_NumCertificates();
        int i;
        //  Print the distinguished name of each certificate
        for (i = 0; i <= numCerts - 1; i++) {
            cert = cs.GetCertificate(i);

            String filename;
            filename = "certs/" + cert.serialNumber() + ".cer";

            cert.ExportCertDerFile(filename);

        }

    }
    else {
        System.out.println(ccs.lastErrorText());
    }


  }
}