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/*
Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
This program 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.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef LIBDCP_KDM_H
#define LIBDCP_KDM_H
#include <boost/filesystem.hpp>
#include <boost/scoped_ptr.hpp>
#include <boost/date_time/posix_time/posix_time.hpp>
#include "key.h"
#include "metadata.h"
namespace libdcp {
namespace xml {
class DCinemaSecurityMessage;
};
class Signer;
class Certificate;
class CPL;
/** A single key for encrypting or decrypting an MXF. One or more of these
* are delivered in a KDM.
*/
class KDMKey
{
public:
KDMKey (uint8_t const *, int);
KDMKey (
boost::shared_ptr<const Signer> signer,
std::string cpl_id, std::string key_id, boost::posix_time::ptime from, boost::posix_time::ptime until, Key key
);
KDMKey (KDMKey const &);
KDMKey& operator= (KDMKey const &);
std::string cpl_id () const {
return _cpl_id;
}
std::string key_id () const {
return _key_id;
}
std::string not_valid_before () const {
return _not_valid_before;
}
std::string not_valid_after () const {
return _not_valid_after;
}
Key key () const {
return _key;
}
std::string encrypted_base64 (boost::shared_ptr<const Certificate>) const;
private:
void get (uint8_t *, uint8_t const **, int) const;
std::string get (uint8_t const **, int) const;
std::string get_uuid (uint8_t const **) const;
void put (uint8_t **, uint8_t const *, int) const;
void put (uint8_t **, std::string) const;
void put_uuid (uint8_t **, std::string) const;
uint8_t _signer_thumbprint[20];
std::string _cpl_id;
std::string _key_type;
std::string _key_id;
std::string _not_valid_before;
std::string _not_valid_after;
Key _key;
};
class KDM
{
public:
KDM (boost::filesystem::path, boost::filesystem::path);
KDM (
boost::shared_ptr<const CPL> cpl, boost::shared_ptr<const Signer>, boost::shared_ptr<const Certificate> recipient_cert,
boost::posix_time::ptime not_valid_before, boost::posix_time::ptime not_valid_after,
std::string annotation_text, std::string issue_date
);
std::list<KDMKey> keys () const {
return _keys;
}
void as_xml (boost::filesystem::path) const;
std::string as_xml () const;
private:
/** Unencrypted MXF content keys */
std::list<KDMKey> _keys;
boost::shared_ptr<xml::DCinemaSecurityMessage> xml_kdm;
};
}
#endif
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