PFX to PEM (Certificate and Private Key Files)

Export a certificate and private key from a PFX to a pair of PEM files.

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#include <C_CkCertStore.h>
#include <C_CkCert.h>
#include <C_CkPrivateKey.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkCertStore certStore;
    const char * password;
    HCkCert cert;
    HCkPrivateKey pvkey;


    certStore = CkCertStore_Create();

    //  Load the PFX file into a certificate store object

    password = "myPassword";
    success = CkCertStore_LoadPfxFile(certStore,"chilkat.pfx",password);
    if (success != TRUE) {
        printf("%s\n",CkCertStore_lastErrorText(certStore));
        return;
    }

    //  Find the cert to be exported by the subject:

    cert = CkCertStore_FindCertBySubject(certStore,"Chilkat Software, Inc.");
    if (cert == 0 ) {
        printf("Certificate not found.\n");
        return;
    }

    //  Does this cert have a private key?
    if (CkCert_HasPrivateKey(cert) == TRUE) {

        //  Get the private key.

        pvkey = CkCert_ExportPrivateKey(cert);

        //   Export the private key to a PEM file:
        success = CkPrivateKey_SaveRsaPemFile(pvkey,"chilkat_pkey.pem");
        if (success != TRUE) {
            printf("%s\n",CkPrivateKey_lastErrorText(pvkey));
            return;
        }

        CkPrivateKey_Dispose(pvkey);

    }

    //  Save the cert to a PEM file:
    success = CkCert_ExportCertPemFile(cert,"chilkat_cert.pem");
    if (success != TRUE) {
        printf("%s\n",CkCert_lastErrorText(cert));
        return;
    }

    CkCert_Dispose(cert);



    CkCertStore_Dispose(certStore);

    }