Java

Convert CRL PEM to XML

See more PEM Examples

Loads a CRL (Certificate Revocation List) from the PEM file format and converts to XML to allow for visual examination and parsing.

Note: This example requires Chilkat v9.5.0.77 or greater.

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.

    // This example requires Chilkat v9.5.0.77 or greater.
    CkPem pem = new CkPem();

    pem.put_VerboseLogging(true);
    success = pem.LoadPemFile("qa_data/crl/sampleCrl.pem","password_not_used");
    if (success != true) {
        System.out.println(pem.lastErrorText());
        return;
        }

    int numCrls = pem.get_NumCrls();
    int i = 0;

    CkAsn asn = new CkAsn();
    CkXml xml = new CkXml();
    while (i < numCrls) {

        // Get the CRL as base64 (multi-line)
        String crlBase64 = pem.getEncodedItem("crl","","base64_mime",i);
        if (pem.get_LastMethodSuccess() != true) {
            System.out.println(pem.lastErrorText());
            return;
            }

        System.out.println(crlBase64);

        success = asn.LoadEncoded(crlBase64,"base64");
        if (success != true) {
            System.out.println(asn.lastErrorText());
            return;
            }

        // Convert ASN.1 to XML and load into xml and re-emit for pretty printing..
        xml.LoadXml(asn.asnToXml());
        System.out.println(xml.getXml());

        // Use this online tool to generate parsing code from CRL XML: 
        // Generate Parsing Code from XML

        System.out.println("-------------------------------------");
        i = i+1;
        }
  }
}