(Unicode C++) Example: Crypt2.ClearEncryptCerts method

Demonstrates how to call the ClearEncryptCerts method.

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#include <CkCrypt2W.h>
#include <CkCertW.h>
#include <CkBinDataW.h>

void ChilkatSample(void)
    {
    CkCrypt2W crypt;

    // Tell the crypt object to use 3 certificates.
    // Do this by calling AddEncryptCert for each certificate.

    CkCertW cert1;
    // ...
    // Load the cert from a source such as a .pfx/.p12 file, smart card, USB token, Apple keychain, Windows certificate store, etc.
    // ...
    crypt.AddEncryptCert(cert1);

    CkCertW cert2;
    // ...
    crypt.AddEncryptCert(cert2);

    CkCertW cert3;
    // ...
    crypt.AddEncryptCert(cert3);

    // Params for public-key encryption to create PKCS7 enveloped-data
    crypt.put_CryptAlgorithm(L"pki");
    crypt.put_Pkcs7CryptAlg(L"aes");
    crypt.put_KeyLength(256);
    crypt.put_OaepHash(L"sha256");
    crypt.put_OaepPadding(true);

    CkBinDataW bd;
    // ...
    bool success = crypt.EncryptBd(bd);

    // Let's say we now want to encrypt something else with different certs..
    // First clear the encryption certs.
    crypt.ClearEncryptCerts();

    CkCertW cert4;
    // ...
    crypt.AddEncryptCert(cert4);

    CkCertW cert5;
    // ...
    crypt.AddEncryptCert(cert5);

    // ...
    // ...

    // Encrypt using cert4 and cert5.
    success = crypt.EncryptBd(bd);
    }