Encrypt a JWE with a Password (PBES2)

See more JSON Web Encryption (JWE) Examples

Demonstrates Jwe.SetPassword, which sets the PBES2 password for a recipient. The example uses PBES2-HS256+A128KW key management with AES-128-GCM content encryption.

<?php

$success = 0;

$jwe = new COM("Chilkat.Jwe");

//  Protected header: PBES2 password-based key management with AES-128-GCM content encryption.
$header = new COM("Chilkat.JsonObject");
$header->UpdateString('alg','PBES2-HS256+A128KW');
$header->UpdateString('enc','A128GCM');
$success = $jwe->SetProtectedHeader($header);
if ($success == 0) {
    print $jwe->LastErrorText . "\n";
    exit;
}

//  Set the PBES2 password for recipient 0.  The password should come from a secure source rather than
//  being hard-coded.
$password = 'myPassword';
$success = $jwe->SetPassword(0,$password);
if ($success == 0) {
    print $jwe->LastErrorText . "\n";
    exit;
}

$jweCompact = $jwe->encrypt('This is the secret content.','utf-8');
if ($jwe->LastMethodSuccess == 0) {
    print $jwe->LastErrorText . "\n";
    exit;
}

print $jweCompact . "\n";

?>