(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.

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

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

    CkRsa rsa;

    // Generate a 1024-bit key.  Chilkat RSA supports
    // key sizes ranging from 512 bits to 4096 bits.
    bool success = rsa.GenerateKey(1024);
    if (success != true) {
        std::cout << rsa.lastErrorText() << "\r\n";
        return;
    }

    // Keys are exported in XML format:
    const char *publicKeyXml = rsa.exportPublicKey();
    std::cout << publicKeyXml << "\r\n";

    const char *privateKeyXml = rsa.exportPrivateKey();
    std::cout << privateKeyXml << "\r\n";

    // Save the private key in PEM format:
    CkPrivateKey privKey;
    success = privKey.LoadXml(privateKeyXml);
    success = privKey.SavePemFile("privateKey.pem");

    // Save the public key in PEM format:
    CkPublicKey pubKey;
    success = pubKey.LoadFromString(publicKeyXml);
    success = pubKey.SavePemFile(false,"publicKey.pem");
    }