C++

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.

C++

#include <CkPem.h>
#include <CkAsn.h>
#include <CkXml.h>

void ChilkatSample(void)
    {
    bool 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;

    pem.put_VerboseLogging(true);
    success = pem.LoadPemFile("qa_data/crl/sampleCrl.pem","password_not_used");
    if (success != true) {
        std::cout << pem.lastErrorText() << "\r\n";
        return;
    }

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

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

        // Get the CRL as base64 (multi-line)
        const char *crlBase64 = pem.getEncodedItem("crl","","base64_mime",i);
        if (pem.get_LastMethodSuccess() != true) {
            std::cout << pem.lastErrorText() << "\r\n";
            return;
        }

        std::cout << crlBase64 << "\r\n";

        success = asn.LoadEncoded(crlBase64,"base64");
        if (success != true) {
            std::cout << asn.lastErrorText() << "\r\n";
            return;
        }

        // Convert ASN.1 to XML and load into xml and re-emit for pretty printing..
        xml.LoadXml(asn.asnToXml());
        std::cout << xml.getXml() << "\r\n";

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

        std::cout << "-------------------------------------" << "\r\n";
        i = i + 1;
    }
    }