(Unicode C) Load Certificate from PFX (PKCS#12)

Loads a digital certificate (and private key, if available) from a PFX file.(also known as PKCS#12)

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

Chilkat C/C++ Library Downloads
MS Visual C/C++ C++ Builder Linux C/C++ Alpine Linux C/C++	MacOS C/C++ iOS C/C++ Android C/C++ MinGW C/C++

#include <C_CkCertW.h>
#include <C_CkPrivateKeyW.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkCertW cert;
    const wchar_t *pfxFilename;
    const wchar_t *pfxPassword;
    HCkPrivateKeyW privKey;
    const wchar_t *pemPassword;
    const wchar_t *pemPath;

    success = FALSE;

    cert = CkCertW_Create();

    // Load from the PFX file
    pfxFilename = L"/Users/chilkat/testData/pfx/chilkat_ssl_pwd_is_test.pfx";
    pfxPassword = L"test";

    // A PFX typically contains certificates in the chain of authentication.
    // The Chilkat cert object will choose the certificate w/
    // private key farthest from the root authority cert.
    // To access all the certificates in a PFX, use the 
    // Chilkat certificate store object instead.
    success = CkCertW_LoadPfxFile(cert,pfxFilename,pfxPassword);
    if (success == FALSE) {
        wprintf(L"%s\n",CkCertW_lastErrorText(cert));
        CkCertW_Dispose(cert);
        return;
    }

    // Get some information about the digital certificate, 
    // then get the private key...

    // DN = "Distinguished Name"
    wprintf(L"SubjectDN:%s\n",CkCertW_subjectDN(cert));

    wprintf(L"Common Name:%s\n",CkCertW_subjectCN(cert));
    wprintf(L"Issuer Common Name:%s\n",CkCertW_issuerCN(cert));

    wprintf(L"Serial Number:%s\n",CkCertW_serialNumber(cert));

    privKey = CkPrivateKeyW_Create();
    success = CkCertW_GetPrivateKey(cert,privKey);
    if (success == FALSE) {
        wprintf(L"%s\n",CkCertW_lastErrorText(cert));
        CkCertW_Dispose(cert);
        CkPrivateKeyW_Dispose(privKey);
        return;
    }

    // The private key object may be used in any Chilkat methods
    // (in other objects/classes) that expect a private key argument.

    // In this case, save the private key to a PKCS8 Encrypted PEM format file:
    pemPassword = L"secret";
    pemPath = L"/Users/chilkat/testData/pem/chilkat_privKey.pem";
    success = CkPrivateKeyW_SavePkcs8EncryptedPemFile(privKey,pemPassword,pemPath);
    if (success == FALSE) {
        wprintf(L"%s\n",CkPrivateKeyW_lastErrorText(privKey));
        CkCertW_Dispose(cert);
        CkPrivateKeyW_Dispose(privKey);
        return;
    }

    wprintf(L"Private key saved to PKCS8 Encrypted PEM...\n");


    CkCertW_Dispose(cert);
    CkPrivateKeyW_Dispose(privKey);

    }