(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.

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

void ChilkatSample(void)
    {
    BOOL success;
    HCkCert cert;
    const char *pfxFilename;
    const char *pfxPassword;
    HCkPrivateKey privKey;
    const char *pemPassword;
    const char *pemPath;

    success = FALSE;

    cert = CkCert_Create();

    // Load from the PFX file
    pfxFilename = "/Users/chilkat/testData/pfx/chilkat_ssl_pwd_is_test.pfx";
    pfxPassword = "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 = CkCert_LoadPfxFile(cert,pfxFilename,pfxPassword);
    if (success == FALSE) {
        printf("%s\n",CkCert_lastErrorText(cert));
        CkCert_Dispose(cert);
        return;
    }

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

    // DN = "Distinguished Name"
    printf("SubjectDN:%s\n",CkCert_subjectDN(cert));

    printf("Common Name:%s\n",CkCert_subjectCN(cert));
    printf("Issuer Common Name:%s\n",CkCert_issuerCN(cert));

    printf("Serial Number:%s\n",CkCert_serialNumber(cert));

    privKey = CkPrivateKey_Create();
    success = CkCert_GetPrivateKey(cert,privKey);
    if (success == FALSE) {
        printf("%s\n",CkCert_lastErrorText(cert));
        CkCert_Dispose(cert);
        CkPrivateKey_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 = "secret";
    pemPath = "/Users/chilkat/testData/pem/chilkat_privKey.pem";
    success = CkPrivateKey_SavePkcs8EncryptedPemFile(privKey,pemPassword,pemPath);
    if (success == FALSE) {
        printf("%s\n",CkPrivateKey_lastErrorText(privKey));
        CkCert_Dispose(cert);
        CkPrivateKey_Dispose(privKey);
        return;
    }

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


    CkCert_Dispose(cert);
    CkPrivateKey_Dispose(privKey);

    }