2 Copyright (C) 2013-2014 Carl Hetherington <cth@carlh.net>
4 This file is part of libdcp.
6 libdcp is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 libdcp is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with libdcp. If not, see <http://www.gnu.org/licenses/>.
21 #include "mono_picture_frame.h"
23 #include "decrypted_kdm.h"
24 #include "encrypted_kdm.h"
25 #include "mono_picture_asset.h"
26 #include "mono_picture_asset_reader.h"
27 #include "reel_picture_asset.h"
30 #include "openjpeg_image.h"
32 #include "colour_conversion.h"
33 #include <boost/test/unit_test.hpp>
34 #include <boost/scoped_array.hpp>
38 using boost::dynamic_pointer_cast;
39 using boost::shared_ptr;
40 using boost::scoped_array;
42 pair<uint8_t*, dcp::Size>
43 get_frame (dcp::DCP const & dcp)
45 shared_ptr<const dcp::Reel> reel = dcp.cpls().front()->reels().front ();
46 shared_ptr<dcp::PictureAsset> picture = reel->main_picture()->asset ();
47 BOOST_CHECK (picture);
49 shared_ptr<const dcp::MonoPictureAsset> mono_picture = dynamic_pointer_cast<const dcp::MonoPictureAsset> (picture);
50 shared_ptr<const dcp::MonoPictureAssetReader> reader = mono_picture->start_read ();
51 shared_ptr<const dcp::MonoPictureFrame> j2k_frame = reader->get_frame (0);
52 shared_ptr<dcp::OpenJPEGImage> xyz = j2k_frame->xyz_image();
54 uint8_t* argb = new uint8_t[xyz->size().width * xyz->size().height * 4];
55 dcp::xyz_to_rgba (j2k_frame->xyz_image(), dcp::ColourConversion::srgb_to_xyz(), argb);
56 return make_pair (argb, xyz->size ());
59 /** Decrypt an encrypted test DCP and check that its first frame is the same as the unencrypted version */
60 BOOST_AUTO_TEST_CASE (decryption_test)
62 boost::filesystem::path plaintext_path = private_test;
63 plaintext_path /= "TONEPLATES-SMPTE-PLAINTEXT_TST_F_XX-XX_ITL-TD_51-XX_2K_WOE_20111001_WOE_OV";
64 dcp::DCP plaintext (plaintext_path.string ());
66 BOOST_CHECK_EQUAL (plaintext.encrypted (), false);
68 boost::filesystem::path encrypted_path = private_test;
69 encrypted_path /= "TONEPLATES-SMPTE-ENCRYPTED_TST_F_XX-XX_ITL-TD_51-XX_2K_WOE_20111001_WOE_OV";
70 dcp::DCP encrypted (encrypted_path.string ());
72 BOOST_CHECK_EQUAL (encrypted.encrypted (), true);
74 dcp::DecryptedKDM kdm (
76 dcp::file_to_string ("test/data/kdm_TONEPLATES-SMPTE-ENC_.smpte-430-2.ROOT.NOT_FOR_PRODUCTION_20130706_20230702_CAR_OV_t1_8971c838.xml")
78 dcp::file_to_string ("test/data/private.key")
83 pair<uint8_t *, dcp::Size> plaintext_frame = get_frame (plaintext);
84 pair<uint8_t *, dcp::Size> encrypted_frame = get_frame (encrypted);
86 /* Check that plaintext and encrypted are the same */
88 BOOST_CHECK_EQUAL (plaintext_frame.second, encrypted_frame.second);
92 plaintext_frame.first,
93 encrypted_frame.first,
94 plaintext_frame.second.width * plaintext_frame.second.height * 4
99 delete[] plaintext_frame.first;
100 delete[] encrypted_frame.first;
103 /** Load in a KDM that didn't work at first */
104 BOOST_AUTO_TEST_CASE (failing_kdm_test)
106 dcp::DecryptedKDM kdm (
107 dcp::EncryptedKDM (dcp::file_to_string ("test/data/target.pem.crt.de5d4eba-e683-41ca-bdda-aa4ad96af3f4.kdm.xml")),
108 dcp::file_to_string ("test/data/private.key")