Unicode C++
Unicode C++
Example: Crypt2.ClearEncryptCerts method
Demonstrates how to call the ClearEncryptCerts method.Chilkat Unicode C++ Downloads
#include <CkCrypt2W.h>
#include <CkCertW.h>
#include <CkBinDataW.h>
void ChilkatSample(void)
{
bool success = false;
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;
// ...
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);
}