(PHP Extension) Example: Crypt2.ClearEncryptCerts method

Demonstrates how to call the ClearEncryptCerts method.

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<?php

include("chilkat.php");

$crypt = new CkCrypt2();

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

$cert1 = new CkCert();
// ...
// 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);

$cert2 = new CkCert();
// ...
$crypt->AddEncryptCert($cert2);

$cert3 = new CkCert();
// ...
$crypt->AddEncryptCert($cert3);

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

$bd = new CkBinData();
// ...
$success = $crypt->EncryptBd($bd);

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

$cert4 = new CkCert();
// ...
$crypt->AddEncryptCert($cert4);

$cert5 = new CkCert();
// ...
$crypt->AddEncryptCert($cert5);

// ...
// ...

// Encrypt using cert4 and cert5.
$success = $crypt->EncryptBd($bd);

?>