C

Transition from Email.GetSignedByCertChain to Email.LastSignerCert

Provides instructions for replacing deprecated GetSignedByCertChain method calls with LastSignerCert. C

#include <C_CkEmail.h>
#include <C_CkCertChain.h>
#include <C_CkCert.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkEmail email;
    HCkCertChain certChainObj;
    HCkCert signerCert;
    HCkCertChain certChain;

    success = FALSE;

    email = CkEmail_Create();

    //  ...
    //  ...

    //  ------------------------------------------------------------------------
    //  The GetSignedByCertChain method is deprecated:

    certChainObj = CkEmail_GetSignedByCertChain(email);
    if (CkEmail_getLastMethodSuccess(email) == FALSE) {
        printf("%s\n",CkEmail_lastErrorText(email));
        CkEmail_Dispose(email);
        return;
    }

    //  ...
    //  ...

    CkCertChain_Dispose(certChainObj);

    //  ------------------------------------------------------------------------
    //  Do the equivalent using LastSignerCert to get the signing certificate,
    //  then build the cert chain from the signing certificate object.

    signerCert = CkCert_Create();
    success = CkEmail_LastSignerCert(email,0,signerCert);
    if (success == FALSE) {
        printf("%s\n",CkEmail_lastErrorText(email));
        CkEmail_Dispose(email);
        CkCert_Dispose(signerCert);
        return;
    }

    //  Get the certificate chain from the signer certificate.
    certChain = CkCertChain_Create();
    success = CkCert_BuildCertChain(signerCert,certChain);
    if (success == FALSE) {
        printf("%s\n",CkCert_lastErrorText(signerCert));
        CkEmail_Dispose(email);
        CkCert_Dispose(signerCert);
        CkCertChain_Dispose(certChain);
        return;
    }



    CkEmail_Dispose(email);
    CkCert_Dispose(signerCert);
    CkCertChain_Dispose(certChain);

    }