(C++) Load P7B and List Certificates

Demonstrates how to load a .p7b containing certificates and accesses each individual certificate.

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#include <CkGlobal.h>
#include <CkPem.h>
#include <CkCert.h>

void ChilkatSample(void)
    {
    // Unlock the Chilkat API.
    // Starting in v9.5.0.49, all Chilkat classes can be unlocked at once at the beginning of a program
    // by calling UnlockBundle.  It requires a Bundle unlock code.
    CkGlobal chilkatGlob;
    bool success = chilkatGlob.UnlockBundle("Anything for 30-day trial.");
    if (success != true) {
        std::cout << chilkatGlob.lastErrorText() << "\r\n";
        return;
    }

    CkPem pem;

    // Load the .p7b from a file.
    success = pem.LoadP7bFile("/Users/chilkat/testData/p7b/myCerts.p7b");
    if (success != true) {
        std::cout << pem.lastErrorText() << "\r\n";
        return;
    }

    int i;
    int numCerts = pem.get_NumCerts();
    if (numCerts == 0) {
        std::cout << (("Error: Expected the .p7b to contain certificates.")) << "\r\n";
        return;
    }

    // Access each certificate and show the DN (Distinguished Name)
    for (i = 1; i <= numCerts; i++) {
        CkCert *cert = pem.GetCert(i - 1);
        std::cout << i << ": " << cert->subjectDN() << "\r\n";
        delete cert;
    }
    }