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"
32 #include "signer_chain.h"
34 using boost::shared_ptr;
36 /* Build an encrypted picture MXF and a KDM for it and check that the KDM can be decrypted */
37 BOOST_AUTO_TEST_CASE (round_trip_test)
39 boost::filesystem::remove_all ("build/test/signer");
40 boost::filesystem::create_directory ("build/test/signer");
41 libdcp::make_signer_chain ("build/test/signer");
43 libdcp::CertificateChain chain;
44 chain.add (shared_ptr<libdcp::Certificate> (new libdcp::Certificate (boost::filesystem::path ("build/test/signer/ca.self-signed.pem"))));
45 chain.add (shared_ptr<libdcp::Certificate> (new libdcp::Certificate (boost::filesystem::path ("build/test/signer/intermediate.signed.pem"))));
46 chain.add (shared_ptr<libdcp::Certificate> (new libdcp::Certificate (boost::filesystem::path ("build/test/signer/leaf.signed.pem"))));
48 shared_ptr<libdcp::Signer> signer (
51 "test/data/signer.key"
55 boost::filesystem::path work_dir = "build/test/round_trip_test";
56 boost::filesystem::create_directory (work_dir);
58 shared_ptr<libdcp::MonoPictureAsset> asset_A (new libdcp::MonoPictureAsset (work_dir, "video.mxf"));
59 asset_A->set_edit_rate (24);
60 asset_A->set_intrinsic_duration (24);
61 asset_A->set_size (libdcp::Size (32, 32));
62 asset_A->create (j2c);
66 asset_A->set_key (key);
68 shared_ptr<libdcp::CPL> cpl (new libdcp::CPL (work_dir, "A Test DCP", libdcp::FEATURE, 24, 24));
69 cpl->add_reel (shared_ptr<libdcp::Reel> (new libdcp::Reel (asset_A, shared_ptr<libdcp::SoundAsset> (), shared_ptr<libdcp::SubtitleAsset> ())));
71 /* A KDM using our certificate chain's leaf key pair */
75 signer->certificates().leaf(),
76 boost::posix_time::time_from_string ("2013-01-01 00:00:00"),
77 boost::posix_time::time_from_string ("2013-01-08 00:00:00"),
79 "2012-07-17T04:45:18+00:00"
82 boost::filesystem::path const kdm_file = work_dir / "kdm.xml";
84 kdm_A.as_xml (kdm_file);
86 /* Reload the KDM, using our private key to decrypt it */
87 libdcp::KDM kdm_B (kdm_file, "build/test/signer/leaf.key");
89 /* Reload the picture MXF */
90 shared_ptr<libdcp::MonoPictureAsset> asset_B (
91 new libdcp::MonoPictureAsset (work_dir, "video.mxf")
94 asset_B->set_key (kdm_B.keys().front().key());
96 shared_ptr<libdcp::ARGBFrame> frame_A = asset_A->get_frame(0)->argb_frame ();
97 shared_ptr<libdcp::ARGBFrame> frame_B = asset_B->get_frame(0)->argb_frame ();
98 BOOST_CHECK_EQUAL (frame_A->size().width, frame_B->size().width);
99 BOOST_CHECK_EQUAL (frame_A->size().height, frame_B->size().height);
100 BOOST_CHECK_EQUAL (memcmp (frame_A->data(), frame_B->data(), frame_A->size().width * frame_A->size().height), 0);