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/*
Copyright (C) 2019 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
DCP-o-matic is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
DCP-o-matic is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
#ifdef DCPOMATIC_VARIANT_SWAROOP
#include "encrypted_ecinema_kdm.h"
#include <dcp/key.h>
#include <dcp/certificate.h>
#include <libxml++/libxml++.h>
#include <openssl/rsa.h>
#include <iostream>
using std::cout;
using std::string;
using boost::shared_ptr;
using dcp::Certificate;
EncryptedECinemaKDM::EncryptedECinemaKDM (dcp::Key content_key, Certificate recipient)
{
RSA* rsa = recipient.public_key ();
_content_key = dcp::Data (RSA_size(rsa));
int const N = RSA_public_encrypt (content_key.length(), content_key.value(), _content_key.data().get(), rsa, RSA_PKCS1_OAEP_PADDING);
}
string
EncryptedECinemaKDM::as_xml () const
{
string key;
/* Lazy overallocation */
char out[_content_key.size() * 2];
Kumu::base64encode (_content_key.data().get(), _content_key.size(), out, _content_key.size() * 2);
int const N = strlen (out);
string lines;
for (int i = 0; i < N; ++i) {
if (i > 0 && (i % 64) == 0) {
lines += "\n";
}
lines += out[i];
}
xmlpp::Document document;
xmlpp::Element* root = document.create_root_node ("ECinemaSecurityMesage");
root->add_child("Key")->add_child_text(lines);
return document.write_to_string ("UTF-8");
}
#endif
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