(Java) Iterate over Certificates on Connected Smart Cards and USB Tokens

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Note: Requires Chilkat v10.1.2 or later.

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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[])
  {
    CkCertStore certStore = new CkCertStore();

    // Detects connected smart cards and USB tokens
    // and loads the certificate store object with the certificates found.
    // Works on Windows, MacOS, iOS, and Linux.
    // Note: If something is not detected, contact info@chilkatsoft.com
    // for help or for workarounds.
    String argNotUsed = "";
    boolean success = certStore.OpenSmartcard(argNotUsed);
    if (success == false) {
        System.out.println(certStore.lastErrorText());
        return;
        }

    CkCert cert = new CkCert();

    int numCerts = certStore.get_NumCertificates();
    int i = 0;

    while (i < numCerts) {
        // Load the cert object with the Nth certificate found in the connected HSMs
        certStore.GetCert(i,cert);
        System.out.println(i + ": " + cert.subjectCN());
        i = i+1;
        }
  }
}