(C++) RSA Import Public Key from Certificate PEM

Uses a certificate's public key for RSA encryption. The public key from the certificate .pem file is used.

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#include <CkCert.h>
#include <CkPublicKey.h>
#include <CkRsa.h>

void ChilkatSample(void)
    {
    CkCert cert;

    bool success = cert.LoadFromFile("qa_data/pem/mf_public_rsa.pem");
    if (success == false) {
        std::cout << cert.lastErrorText() << "\r\n";
        return;
    }

    CkPublicKey *pubKey = cert.ExportPublicKey();
    if (cert.get_LastMethodSuccess() != true) {
        std::cout << cert.lastErrorText() << "\r\n";
        return;
    }

    CkRsa rsa;
    success = rsa.ImportPublicKeyObj(*pubKey);
    if (success == false) {
        std::cout << rsa.lastErrorText() << "\r\n";
        return;
    }

    delete pubKey;

    rsa.put_EncodingMode("base64");
    const char *encryptedStr = rsa.encryptStringENC("hello",false);
    std::cout << "encrypted string = " << encryptedStr << "\r\n";
    }