(C++) Generate RSA Public/Private Key Pair and Export to PEM

C++ example code showing how to generate an RSA public/private key pair and export to PEM files.

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

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

void ChilkatSample(void)
    {
    bool success = false;

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

    CkRsa rsa;

    // Generate a 2048-bit key.  Chilkat RSA supports
    // key sizes ranging from 512 bits to 8192 bits.
    CkPrivateKey privKey;
    success = rsa.GenKey(2048,privKey);
    if (success == false) {
        std::cout << rsa.lastErrorText() << "\r\n";
        return;
    }

    CkPublicKey pubKey;
    privKey.ToPublicKey(pubKey);

    // Save the private key in PEM format:
    success = privKey.SavePemFile("privateKey.pem");
    if (success == false) {
        std::cout << privKey.lastErrorText() << "\r\n";
        return;
    }

    // Save the public key in PEM format:
    success = pubKey.SavePemFile(false,"publicKey.pem");
    if (success == false) {
        std::cout << pubKey.lastErrorText() << "\r\n";
        return;
    }

    std::cout << "Success." << "\r\n";
    }