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/>.
20 #include "encrypted_kdm.h"
21 #include "decrypted_kdm.h"
23 #include <libcxml/cxml.h>
24 #include <libxml++/libxml++.h>
25 #include <boost/test/unit_test.hpp>
26 #include <boost/foreach.hpp>
29 using boost::shared_ptr;
31 /** Check reading and decryption of a KDM */
32 BOOST_AUTO_TEST_CASE (kdm_test)
34 dcp::DecryptedKDM kdm (
36 dcp::file_to_string ("test/data/kdm_TONEPLATES-SMPTE-ENC_.smpte-430-2.ROOT.NOT_FOR_PRODUCTION_20130706_20230702_CAR_OV_t1_8971c838.xml")
38 dcp::file_to_string ("test/data/private.key")
41 list<dcp::DecryptedKDMKey> keys = kdm.keys ();
43 BOOST_CHECK_EQUAL (keys.size(), 2);
45 BOOST_CHECK_EQUAL (keys.front().cpl_id(), "eece17de-77e8-4a55-9347-b6bab5724b9f");
46 BOOST_CHECK_EQUAL (keys.front().id(), "4ac4f922-8239-4831-b23b-31426d0542c4");
47 BOOST_CHECK_EQUAL (keys.front().key().hex(), "8a2729c3e5b65c45d78305462104c3fb");
49 BOOST_CHECK_EQUAL (keys.back().cpl_id(), "eece17de-77e8-4a55-9347-b6bab5724b9f");
50 BOOST_CHECK_EQUAL (keys.back().id(), "73baf5de-e195-4542-ab28-8a465f7d4079");
51 BOOST_CHECK_EQUAL (keys.back().key().hex(), "5327fb7ec2e807bd57059615bf8a169d");
54 /** Check that we can read in a KDM and then write it back out again the same */
55 BOOST_AUTO_TEST_CASE (kdm_passthrough_test)
57 dcp::EncryptedKDM kdm (
58 dcp::file_to_string ("test/data/kdm_TONEPLATES-SMPTE-ENC_.smpte-430-2.ROOT.NOT_FOR_PRODUCTION_20130706_20230702_CAR_OV_t1_8971c838.xml")
61 shared_ptr<xmlpp::DomParser> parser (new xmlpp::DomParser ());
62 parser->parse_memory (kdm.as_xml ());
63 parser->get_document()->write_to_file_formatted ("build/kdm.xml", "UTF-8");
64 int const r = system (
65 "xmldiff -c test/data/kdm_TONEPLATES-SMPTE-ENC_.smpte-430-2.ROOT.NOT_FOR_PRODUCTION_20130706_20230702_CAR_OV_t1_8971c838.xml build/kdm.xml"
69 BOOST_CHECK_EQUAL (r, 0);
71 BOOST_CHECK_EQUAL (WEXITSTATUS (r), 0);
75 /** Test some of the utility methods of DecryptedKDM */
76 BOOST_AUTO_TEST_CASE (decrypted_kdm_test)
78 uint8_t* data = new uint8_t[16];
80 dcp::DecryptedKDM::put_uuid (&p, "8971c838-d0c3-405d-bc57-43afa9d91242");
82 BOOST_CHECK_EQUAL (data[0], 0x89);
83 BOOST_CHECK_EQUAL (data[1], 0x71);
84 BOOST_CHECK_EQUAL (data[2], 0xc8);
85 BOOST_CHECK_EQUAL (data[3], 0x38);
86 BOOST_CHECK_EQUAL (data[4], 0xd0);
87 BOOST_CHECK_EQUAL (data[5], 0xc3);
88 BOOST_CHECK_EQUAL (data[6], 0x40);
89 BOOST_CHECK_EQUAL (data[7], 0x5d);
90 BOOST_CHECK_EQUAL (data[8], 0xbc);
91 BOOST_CHECK_EQUAL (data[9], 0x57);
92 BOOST_CHECK_EQUAL (data[10], 0x43);
93 BOOST_CHECK_EQUAL (data[11], 0xaf);
94 BOOST_CHECK_EQUAL (data[12], 0xa9);
95 BOOST_CHECK_EQUAL (data[13], 0xd9);
96 BOOST_CHECK_EQUAL (data[14], 0x12);
97 BOOST_CHECK_EQUAL (data[15], 0x42);
100 BOOST_CHECK_EQUAL (dcp::DecryptedKDM::get_uuid (&p), "8971c838-d0c3-405d-bc57-43afa9d91242");
105 /** Check that <KeyType> tags have the scope attribute.
106 * Wolfgang Woehl believes this is compulsory and I am more-or-less inclined to agree.
108 BOOST_AUTO_TEST_CASE (kdm_key_type_scope)
110 dcp::EncryptedKDM kdm (
111 dcp::file_to_string ("test/data/kdm_TONEPLATES-SMPTE-ENC_.smpte-430-2.ROOT.NOT_FOR_PRODUCTION_20130706_20230702_CAR_OV_t1_8971c838.xml")
115 doc.read_string (kdm.as_xml ());
117 list<cxml::NodePtr> typed_key_ids = doc.node_child("AuthenticatedPublic")->
118 node_child("RequiredExtensions")->
119 node_child("KDMRequiredExtensions")->
120 node_child("KeyIdList")->
121 node_children("TypedKeyId");
123 BOOST_FOREACH (cxml::NodePtr i, typed_key_ids) {
124 BOOST_FOREACH (cxml::NodePtr j, i->node_children("KeyType")) {
125 BOOST_CHECK (j->string_attribute("scope") == "http://www.smpte-ra.org/430-1/2006/KDM#kdm-key-type");