(MFC) Add Private Key and Certificate to a PEM

Demonstrates how to add certificates and private keys to a PEM.

Chilkat C/C++ Library Downloads MS Visual C/C++ Libs

See Also: Using MFC CString in Chilkat

#include <CkGlobal.h>
#include <CkPem.h>
#include <CkPrivateKey.h>
#include <CkCert.h>

void ChilkatSample(void)
    {
    CkString strOut;

    // Starting in v9.5.0.49, all Chilkat classes can be unlocked at once at the beginning of a program
    // by calling UnlockBundle.  It requires a Bundle unlock code.
    CkGlobal chilkatGlob;
    bool success = chilkatGlob.UnlockBundle("Anything for 30-day trial.");
    if (success != true) {
        strOut.append(chilkatGlob.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // The Chilkat PEM class was introduced in v9.5.0.49.  
    // It requires the bundle to be unlocked, as shown above.
    CkPem pem;

    // Add the private key found in alice.key to this PEM.
    // 
    CkPrivateKey privKey;

    success = privKey.LoadRsaDerFile("qa_data/alice.key");
    if (success != true) {
        strOut.append(privKey.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // Add it to the PEM:
    success = pem.AddPrivateKey(privKey);

    // Add the certificate found in alice.crt to this PEM.
    // 
    CkCert cert;

    success = cert.LoadFromFile("qa_data/alice.crt");
    if (success != true) {
        strOut.append(cert.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // Add it to the PEM:
    bool includeCertChain = false;
    success = pem.AddCert(cert,includeCertChain);

    // Write the PEM containing the private key and certificate.
    // The private key will be output in PKCS8 encrypted form.
    // Certificates are never encrypted.

    // This is the password that will be required to open and access the private key
    // from the PEM we're about to write..
    const char *password = "secret";
    bool extendedAttrs = false;
    bool noKeys = false;
    bool noCerts = false;
    bool noCaCerts = false;
    const char *encryptAlg = "aes128";

    const char *pemStr = pem.toPemEx(extendedAttrs,noKeys,noCerts,noCaCerts,encryptAlg,password);
    strOut.append(pemStr);
    strOut.append("\r\n");


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }