(Unicode C++) Transition from Crypt2.GetSignerCertChain to Crypt2.LastSignerCert

Provides instructions for replacing deprecated GetSignerCertChain method calls with LastSignerCert.

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

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#include <CkCrypt2W.h>
#include <CkCertChainW.h>
#include <CkCertW.h>

void ChilkatSample(void)
    {
    CkCrypt2W crypt2;

    // ...
    // ...
    int index = 0;

    // ------------------------------------------------------------------------
    // The GetSignerCertChain method is deprecated:

    CkCertChainW *certchainObj = crypt2.GetSignerCertChain(index);
    if (crypt2.get_LastMethodSuccess() == false) {
        wprintf(L"%s\n",crypt2.lastErrorText());
        return;
    }

    // ...
    // ...

    delete certchainObj;

    // ------------------------------------------------------------------------
    // Do the equivalent using LastSignerCert, and then get the certificate chain from the cert.
    // Your application creates a new, empty Cert object which is passed 
    // in the last argument and filled upon success.

    CkCertW signerCert;
    bool success = crypt2.LastSignerCert(index,signerCert);
    if (success == false) {
        wprintf(L"%s\n",crypt2.lastErrorText());
        return;
    }

    CkCertChainW certChain;
    success = signerCert.BuildCertChain(certChain);
    if (success == false) {
        wprintf(L"%s\n",signerCert.lastErrorText());
        return;
    }
    }