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 "mono_picture_mxf.h"
26 #include "sound_mxf.h"
30 #include "mono_picture_frame.h"
31 #include "argb_frame.h"
32 #include "signer_chain.h"
33 #include "mono_picture_mxf_writer.h"
34 #include "reel_picture_asset.h"
38 using boost::shared_ptr;
40 /* Build an encrypted picture MXF and a KDM for it and check that the KDM can be decrypted */
41 BOOST_AUTO_TEST_CASE (round_trip_test)
43 boost::filesystem::remove_all ("build/test/signer");
44 boost::filesystem::create_directory ("build/test/signer");
45 dcp::make_signer_chain ("build/test/signer", "openssl");
47 dcp::CertificateChain chain;
48 chain.add (shared_ptr<dcp::Certificate> (new dcp::Certificate (boost::filesystem::path ("build/test/signer/ca.self-signed.pem"))));
49 chain.add (shared_ptr<dcp::Certificate> (new dcp::Certificate (boost::filesystem::path ("build/test/signer/intermediate.signed.pem"))));
50 chain.add (shared_ptr<dcp::Certificate> (new dcp::Certificate (boost::filesystem::path ("build/test/signer/leaf.signed.pem"))));
52 shared_ptr<dcp::Signer> signer (
55 "test/data/signer.key"
59 boost::filesystem::path work_dir = "build/test/round_trip_test";
60 boost::filesystem::create_directory (work_dir);
62 shared_ptr<dcp::MonoPictureMXF> mxf_A (new dcp::MonoPictureMXF (dcp::Fraction (24, 1)));
63 shared_ptr<dcp::PictureMXFWriter> writer = mxf_A->start_write (work_dir / "video.mxf", dcp::SMPTE, false);
64 dcp::File j2c ("test/data/32x32_red_square.j2c");
65 for (int i = 0; i < 24; ++i) {
66 writer->write (j2c.data (), j2c.size ());
74 shared_ptr<dcp::CPL> cpl (new dcp::CPL ("A Test DCP", dcp::FEATURE));
75 shared_ptr<dcp::Reel> reel (new dcp::Reel ());
76 reel->add (shared_ptr<dcp::ReelPictureAsset> (mxf_A, 0));
79 /* A KDM using our certificate chain's leaf key pair */
83 signer->certificates().leaf(),
84 boost::posix_time::time_from_string ("2013-01-01 00:00:00"),
85 boost::posix_time::time_from_string ("2013-01-08 00:00:00"),
87 "2012-07-17T04:45:18+00:00"
90 boost::filesystem::path const kdm_file = work_dir / "kdm.xml";
92 kdm_A.as_xml (kdm_file);
94 /* Reload the KDM, using our private key to decrypt it */
95 dcp::KDM kdm_B (kdm_file, "build/test/signer/leaf.key");
97 /* Check that the decrypted KDMKeys are the same as the ones we started with */
98 BOOST_CHECK_EQUAL (kdm_A.keys().size(), kdm_B.keys().size());
99 list<dcp::KDMKey> keys_A = kdm_A.keys ();
100 list<dcp::KDMKey> keys_B = kdm_B.keys ();
101 list<dcp::KDMKey>::const_iterator i = keys_A.begin();
102 list<dcp::KDMKey>::const_iterator j = keys_B.begin();
103 while (i != keys_A.end ()) {
104 BOOST_CHECK (*i == *j);
109 /* Reload the picture MXF */
110 shared_ptr<dcp::MonoPictureMXF> mxf_B (
111 new dcp::MonoPictureMXF (work_dir / "video.mxf")
114 mxf_B->set_key (kdm_B.keys().front().key());
116 shared_ptr<dcp::ARGBFrame> frame_A = mxf_A->get_frame(0)->argb_frame ();
117 shared_ptr<dcp::ARGBFrame> frame_B = mxf_B->get_frame(0)->argb_frame ();
118 BOOST_CHECK_EQUAL (frame_A->size().width, frame_B->size().width);
119 BOOST_CHECK_EQUAL (frame_A->size().height, frame_B->size().height);
120 BOOST_CHECK_EQUAL (memcmp (frame_A->data(), frame_B->data(), frame_A->size().width * frame_A->size().height), 0);