(Java) Load PKCS12 / PFX and Access Contents

Loads a PKCS12 / PFX file and iterates over the contents which include private keys and certificates.

Note: This example requires Chilkat v11.0.0 or greater.

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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[])
  {
    boolean success = false;

    CkPfx pfx = new CkPfx();

    // Load the PKCS12 from a file
    success = pfx.LoadPfxFile("/someDir/my.p12","pfxFilePassword");
    if (success == false) {
        System.out.println(pfx.lastErrorText());
        return;
        }

    int numPrivateKeys = pfx.get_NumPrivateKeys();

    CkPrivateKey privKey = new CkPrivateKey();

    System.out.println("Private Keys:");

    int i = 0;
    while (i < numPrivateKeys) {
        pfx.PrivateKeyAt(i,privKey);

        // Do something with the private key ...

        i = i+1;
        }

    CkCert cert = new CkCert();

    int numCerts = pfx.get_NumCerts();

    System.out.println("Certs:");
    i = 0;
    while (i < numCerts) {
        pfx.CertAt(i,cert);
        System.out.println(cert.subjectDN());

        // If the certificate has a private key (one of the private keys within the PFX)
        // then it can also be obtained via the certificate object:
        if (cert.HasPrivateKey() == true) {

            System.out.println("Has private key!");

            success = cert.GetPrivateKey(privKey);
            // ...

            }

        i = i+1;
        }
  }
}