1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
|
/*
Copyright (C) 2013-2018 Carl Hetherington <cth@carlh.net>
This file is part of libdcp.
libdcp is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
libdcp is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with libdcp. If not, see <http://www.gnu.org/licenses/>.
*/
#include "encrypted_kdm.h"
#include "decrypted_kdm.h"
#include "certificate_chain.h"
#include "util.h"
#include "test.h"
#include <libcxml/cxml.h>
#include <libxml++/libxml++.h>
#include <boost/test/unit_test.hpp>
#include <boost/foreach.hpp>
using std::list;
using std::string;
using std::vector;
using boost::shared_ptr;
using boost::optional;
/** Check reading and decryption of a KDM */
BOOST_AUTO_TEST_CASE (kdm_test)
{
dcp::DecryptedKDM kdm (
dcp::EncryptedKDM (
dcp::file_to_string ("test/data/kdm_TONEPLATES-SMPTE-ENC_.smpte-430-2.ROOT.NOT_FOR_PRODUCTION_20130706_20230702_CAR_OV_t1_8971c838.xml")
),
dcp::file_to_string ("test/data/private.key")
);
list<dcp::DecryptedKDMKey> keys = kdm.keys ();
BOOST_CHECK_EQUAL (keys.size(), 2);
BOOST_CHECK_EQUAL (keys.front().cpl_id(), "eece17de-77e8-4a55-9347-b6bab5724b9f");
BOOST_CHECK_EQUAL (keys.front().id(), "4ac4f922-8239-4831-b23b-31426d0542c4");
BOOST_CHECK_EQUAL (keys.front().key().hex(), "8a2729c3e5b65c45d78305462104c3fb");
BOOST_CHECK_EQUAL (keys.back().cpl_id(), "eece17de-77e8-4a55-9347-b6bab5724b9f");
BOOST_CHECK_EQUAL (keys.back().id(), "73baf5de-e195-4542-ab28-8a465f7d4079");
BOOST_CHECK_EQUAL (keys.back().key().hex(), "5327fb7ec2e807bd57059615bf8a169d");
}
/** Check that we can read in a KDM and then write it back out again the same */
BOOST_AUTO_TEST_CASE (kdm_passthrough_test)
{
dcp::EncryptedKDM kdm (
dcp::file_to_string ("test/data/kdm_TONEPLATES-SMPTE-ENC_.smpte-430-2.ROOT.NOT_FOR_PRODUCTION_20130706_20230702_CAR_OV_t1_8971c838.xml")
);
shared_ptr<xmlpp::DomParser> parser (new xmlpp::DomParser ());
parser->parse_memory (kdm.as_xml ());
parser->get_document()->write_to_file_formatted ("build/kdm.xml", "UTF-8");
int const r = system (
"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"
);
#ifdef LIBDCP_WINDOWS
BOOST_CHECK_EQUAL (r, 0);
#else
BOOST_CHECK_EQUAL (WEXITSTATUS (r), 0);
#endif
}
/** Test some of the utility methods of DecryptedKDM */
BOOST_AUTO_TEST_CASE (decrypted_kdm_test)
{
uint8_t* data = new uint8_t[16];
uint8_t* p = data;
dcp::DecryptedKDM::put_uuid (&p, "8971c838-d0c3-405d-bc57-43afa9d91242");
BOOST_CHECK_EQUAL (data[0], 0x89);
BOOST_CHECK_EQUAL (data[1], 0x71);
BOOST_CHECK_EQUAL (data[2], 0xc8);
BOOST_CHECK_EQUAL (data[3], 0x38);
BOOST_CHECK_EQUAL (data[4], 0xd0);
BOOST_CHECK_EQUAL (data[5], 0xc3);
BOOST_CHECK_EQUAL (data[6], 0x40);
BOOST_CHECK_EQUAL (data[7], 0x5d);
BOOST_CHECK_EQUAL (data[8], 0xbc);
BOOST_CHECK_EQUAL (data[9], 0x57);
BOOST_CHECK_EQUAL (data[10], 0x43);
BOOST_CHECK_EQUAL (data[11], 0xaf);
BOOST_CHECK_EQUAL (data[12], 0xa9);
BOOST_CHECK_EQUAL (data[13], 0xd9);
BOOST_CHECK_EQUAL (data[14], 0x12);
BOOST_CHECK_EQUAL (data[15], 0x42);
p = data;
BOOST_CHECK_EQUAL (dcp::DecryptedKDM::get_uuid (&p), "8971c838-d0c3-405d-bc57-43afa9d91242");
delete[] data;
}
/** Check that <KeyType> tags have the scope attribute.
* Wolfgang Woehl believes this is compulsory and I am more-or-less inclined to agree.
*/
BOOST_AUTO_TEST_CASE (kdm_key_type_scope)
{
dcp::EncryptedKDM kdm (
dcp::file_to_string ("test/data/kdm_TONEPLATES-SMPTE-ENC_.smpte-430-2.ROOT.NOT_FOR_PRODUCTION_20130706_20230702_CAR_OV_t1_8971c838.xml")
);
cxml::Document doc;
doc.read_string (kdm.as_xml ());
list<cxml::NodePtr> typed_key_ids = doc.node_child("AuthenticatedPublic")->
node_child("RequiredExtensions")->
node_child("KDMRequiredExtensions")->
node_child("KeyIdList")->
node_children("TypedKeyId");
BOOST_FOREACH (cxml::NodePtr i, typed_key_ids) {
BOOST_FOREACH (cxml::NodePtr j, i->node_children("KeyType")) {
BOOST_CHECK (j->string_attribute("scope") == "http://www.smpte-ra.org/430-1/2006/KDM#kdm-key-type");
}
}
}
static cxml::ConstNodePtr
kdm_forensic_test (cxml::Document& doc, bool picture, optional<int> audio)
{
dcp::DecryptedKDM decrypted (
dcp::EncryptedKDM (
dcp::file_to_string ("test/data/kdm_TONEPLATES-SMPTE-ENC_.smpte-430-2.ROOT.NOT_FOR_PRODUCTION_20130706_20230702_CAR_OV_t1_8971c838.xml")
),
dcp::file_to_string ("test/data/private.key")
);
shared_ptr<dcp::CertificateChain> signer(new dcp::CertificateChain(dcp::file_to_string("test/data/certificate_chain")));
signer->set_key(dcp::file_to_string("test/data/private.key"));
dcp::EncryptedKDM kdm = decrypted.encrypt (
signer, signer->leaf(), vector<string>(), dcp::MODIFIED_TRANSITIONAL_1, picture, audio
);
/* Check that we can pass this through correctly */
BOOST_CHECK_EQUAL (kdm.as_xml(), dcp::EncryptedKDM(kdm.as_xml()).as_xml());
doc.read_string (kdm.as_xml());
return doc.node_child("AuthenticatedPublic")->
node_child("RequiredExtensions")->
node_child("KDMRequiredExtensions")->
optional_node_child("ForensicMarkFlagList");
}
/** Check ForensicMarkFlagList handling: disable picture and all audio */
BOOST_AUTO_TEST_CASE (kdm_forensic_test1)
{
cxml::Document doc;
cxml::ConstNodePtr forensic = kdm_forensic_test(doc, true, 0);
BOOST_REQUIRE (forensic);
list<cxml::NodePtr> flags = forensic->node_children("ForensicMarkFlag");
BOOST_REQUIRE_EQUAL (flags.size(), 2);
BOOST_CHECK_EQUAL (flags.front()->content(), "http://www.smpte-ra.org/430-1/2006/KDM#mrkflg-picture-disable");
BOOST_CHECK_EQUAL (flags.back()->content(), "http://www.smpte-ra.org/430-1/2006/KDM#mrkflg-audio-disable");
}
/** Check ForensicMarkFlagList handling: disable picture but not audio */
BOOST_AUTO_TEST_CASE (kdm_forensic_test2)
{
cxml::Document doc;
cxml::ConstNodePtr forensic = kdm_forensic_test(doc, true, optional<int>());
BOOST_REQUIRE (forensic);
list<cxml::NodePtr> flags = forensic->node_children("ForensicMarkFlag");
BOOST_REQUIRE_EQUAL (flags.size(), 1);
BOOST_CHECK_EQUAL (flags.front()->content(), "http://www.smpte-ra.org/430-1/2006/KDM#mrkflg-picture-disable");
}
/** Check ForensicMarkFlagList handling: disable audio but not picture */
BOOST_AUTO_TEST_CASE (kdm_forensic_test3)
{
cxml::Document doc;
cxml::ConstNodePtr forensic = kdm_forensic_test(doc, false, 0);
BOOST_REQUIRE (forensic);
list<cxml::NodePtr> flags = forensic->node_children("ForensicMarkFlag");
BOOST_REQUIRE_EQUAL (flags.size(), 1);
BOOST_CHECK_EQUAL (flags.front()->content(), "http://www.smpte-ra.org/430-1/2006/KDM#mrkflg-audio-disable");
}
/** Check ForensicMarkFlagList handling: disable picture and audio above channel 3 */
BOOST_AUTO_TEST_CASE (kdm_forensic_test4)
{
cxml::Document doc;
cxml::ConstNodePtr forensic = kdm_forensic_test(doc, true, 3);
BOOST_REQUIRE (forensic);
list<cxml::NodePtr> flags = forensic->node_children("ForensicMarkFlag");
BOOST_REQUIRE_EQUAL (flags.size(), 2);
BOOST_CHECK_EQUAL (flags.front()->content(), "http://www.smpte-ra.org/430-1/2006/KDM#mrkflg-picture-disable");
BOOST_CHECK_EQUAL (flags.back()->content(), "http://www.smpte-ra.org/430-1/2006/KDM#mrkflg-audio-disable-above-channel-3");
}
/** Check ForensicMarkFlagList handling: disable neither */
BOOST_AUTO_TEST_CASE (kdm_forensic_test5)
{
cxml::Document doc;
cxml::ConstNodePtr forensic = kdm_forensic_test(doc, false, optional<int>());
BOOST_CHECK (!forensic);
}
|
