(MFC) Load P7B and Iterate Certificates

Demonstrates how to load a .p7b containing one or more certificates access each of them.

Chilkat C/C++ Library Downloads MS Visual C/C++ Libs

See Also: Using MFC CString in Chilkat

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

void ChilkatSample(void)
    {
    CkString strOut;

    // 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) {
        strOut.append(chilkatGlob.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // The Chilkat PEM class was introduced in v9.5.0.49.  
    // It requires the bundle to be unlocked, as shown above.
    CkPem pem;

    // Load the .p7b from a file.
    success = pem.LoadP7bFile("../myCertFiles/myP7b.p7b");
    if (success != true) {
        strOut.append(pem.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // Note: If the app already has the p7b loaded in memory, the LoadP7b method
    // may be called instead.  (see the online reference documentation)

    // Iterate over the certificates.
    int numCerts = pem.get_NumCerts();
    int i = 0;

    while (i < numCerts) {

        CkCert *cert = pem.GetCert(i);
        strOut.append("Certificate ");
        strOut.appendInt(i);
        strOut.append(" : ");
        strOut.append(cert->subjectDN());
        strOut.append("\r\n");
        delete cert;

        i = i + 1;
    }



    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }