C

Duplicate openssl pkcs12 –export –in certfile.cer –inkey certfile.key –out certfile.pfx

See more OpenSSL Examples

How to create a PKCS12 (.p12 or .pfx) from a certificate file and private key file: Demonstrates how to duplicate this OpenSSL command:

Duplicate openssl pkcs12 –export –in certfile.cer –inkey certfile.key –out certfile.pfx

C

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

void ChilkatSample(void)
    {
    BOOL success;
    HCkPrivateKey pkey;
    HCkCert cert;
    HCkCertChain certChain;
    HCkPfx pfx;
    const char *password;

    success = FALSE;

    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    pkey = CkPrivateKey_Create();

    // Load the private key from the file.
    success = CkPrivateKey_LoadAnyFormatFile(pkey,"certFile.key","");
    if (success != TRUE) {
        printf("%s\n",CkPrivateKey_lastErrorText(pkey));
        CkPrivateKey_Dispose(pkey);
        return;
    }

    cert = CkCert_Create();
    // The LoadFromFile method auto-recognizes the format...
    success = CkCert_LoadFromFile(cert,"certfile.cer");
    if (success != TRUE) {
        printf("%s\n",CkCert_lastErrorText(cert));
        CkPrivateKey_Dispose(pkey);
        CkCert_Dispose(cert);
        return;
    }

    // We'll need a cert chain object to create the PKCS12, so get it
    // from the cert.  

    certChain = CkCert_GetCertChain(cert);
    if (!CkCert_getLastMethodSuccess(cert)) {
        printf("%s\n",CkCert_lastErrorText(cert));
        CkPrivateKey_Dispose(pkey);
        CkCert_Dispose(cert);
        return;
    }

    // Create the PFX object, add the cert and private key, and write to a .pfx file.
    pfx = CkPfx_Create();

    // The cert(s) are automatically added in the call to AddPrivateKey
    success = CkPfx_AddPrivateKey(pfx,pkey,certChain);
    if (success != TRUE) {
        printf("%s\n",CkPfx_lastErrorText(pfx));
        CkPrivateKey_Dispose(pkey);
        CkCert_Dispose(cert);
        CkPfx_Dispose(pfx);
        return;
    }

    // Write the .pfx to a file.
    password = "myPassword";
    success = CkPfx_ToFile(pfx,password,"certfile.pfx");
    if (success != TRUE) {
        printf("%s\n",CkPfx_lastErrorText(pfx));
        CkPrivateKey_Dispose(pkey);
        CkCert_Dispose(cert);
        CkPfx_Dispose(pfx);
        return;
    }

    printf("Success.\n");


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

    }