(C) Load PKCS12 / PFX and Access Contents

Loads a PKCS12 / PFX file and iterates over the contents which include private keys and certificates.

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

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

void ChilkatSample(void)
    {
    BOOL success;
    HCkPfx pfx;
    int numPrivateKeys;
    HCkPrivateKey privKey;
    int i;
    HCkCert cert;
    int numCerts;

    success = FALSE;

    pfx = CkPfx_Create();

    // Load the PKCS12 from a file
    success = CkPfx_LoadPfxFile(pfx,"/someDir/my.p12","pfxFilePassword");
    if (success == FALSE) {
        printf("%s\n",CkPfx_lastErrorText(pfx));
        CkPfx_Dispose(pfx);
        return;
    }

    numPrivateKeys = CkPfx_getNumPrivateKeys(pfx);

    privKey = CkPrivateKey_Create();

    printf("Private Keys:\n");

    i = 0;
    while (i < numPrivateKeys) {
        CkPfx_PrivateKeyAt(pfx,i,privKey);

        // Do something with the private key ...

        i = i + 1;
    }

    cert = CkCert_Create();

    numCerts = CkPfx_getNumCerts(pfx);

    printf("Certs:\n");
    i = 0;
    while (i < numCerts) {
        CkPfx_CertAt(pfx,i,cert);
        printf("%s\n",CkCert_subjectDN(cert));

        // If the certificate has a private key (one of the private keys within the PFX)
        // then it can also be obtained via the certificate object:
        if (CkCert_HasPrivateKey(cert) == TRUE) {

            printf("Has private key!\n");

            success = CkCert_GetPrivateKey(cert,privKey);
            // ...

        }

        i = i + 1;
    }



    CkPfx_Dispose(pfx);
    CkPrivateKey_Dispose(privKey);
    CkCert_Dispose(cert);

    }