2 Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 #include <boost/test/unit_test.hpp>
22 #include "certificates.h"
25 #include "picture_asset.h"
26 #include "sound_asset.h"
30 #include "picture_frame.h"
31 #include "argb_frame.h"
33 using boost::shared_ptr;
35 /* Build an encrypted picture MXF and a KDM for it and check that the KDM can be decrypted */
36 BOOST_AUTO_TEST_CASE (round_trip_test)
38 libdcp::CertificateChain chain;
39 chain.add (shared_ptr<libdcp::Certificate> (new libdcp::Certificate (boost::filesystem::path ("build/test/signer/ca.self-signed.pem"))));
40 chain.add (shared_ptr<libdcp::Certificate> (new libdcp::Certificate (boost::filesystem::path ("build/test/signer/intermediate.signed.pem"))));
41 chain.add (shared_ptr<libdcp::Certificate> (new libdcp::Certificate (boost::filesystem::path ("build/test/signer/leaf.signed.pem"))));
43 shared_ptr<libdcp::Signer> signer (
46 "test/data/signer.key"
50 boost::filesystem::path work_dir = "build/test/round_trip_test";
51 boost::filesystem::create_directory (work_dir);
53 libdcp::MXFMetadata mxf_metadata;
55 shared_ptr<libdcp::MonoPictureAsset> asset_A (
56 new libdcp::MonoPictureAsset (j2c, work_dir, "video.mxf", 0, 24, 24, libdcp::Size (32, 32), false, mxf_metadata)
61 asset_A->set_key (key);
63 shared_ptr<libdcp::CPL> cpl (new libdcp::CPL (work_dir, "A Test DCP", libdcp::FEATURE, 24, 24));
64 cpl->add_reel (shared_ptr<libdcp::Reel> (new libdcp::Reel (asset_A, shared_ptr<libdcp::SoundAsset> (), shared_ptr<libdcp::SubtitleAsset> ())));
66 /* A KDM using our certificate chain's leaf key pair */
70 signer->certificates().leaf(),
71 boost::posix_time::time_from_string ("2013-01-01 00:00:00"),
72 boost::posix_time::time_from_string ("2013-01-08 00:00:00"),
74 "2012-07-17T04:45:18+00:00"
77 boost::filesystem::path const kdm_file = work_dir / "kdm.xml";
79 kdm_A.as_xml (kdm_file);
81 /* Reload the KDM, using our private key to decrypt it */
82 libdcp::KDM kdm_B (kdm_file, "build/test/signer/leaf.key");
84 /* Reload the picture MXF */
85 shared_ptr<libdcp::MonoPictureAsset> asset_B (
86 new libdcp::MonoPictureAsset (work_dir, "video.mxf")
89 asset_B->set_key (kdm_B.keys().front().key());
91 shared_ptr<libdcp::ARGBFrame> frame_A = asset_A->get_frame(0)->argb_frame ();
92 shared_ptr<libdcp::ARGBFrame> frame_B = asset_B->get_frame(0)->argb_frame ();
93 BOOST_CHECK_EQUAL (frame_A->size().width, frame_B->size().width);
94 BOOST_CHECK_EQUAL (frame_A->size().height, frame_B->size().height);
95 BOOST_CHECK_EQUAL (memcmp (frame_A->data(), frame_B->data(), frame_A->size().width * frame_A->size().height), 0);