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
216
217
218
219
220
221
222
223
224
225
|
// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/cert/crl_set.h"
#include <array>
#include <string_view>
#include "base/files/file_util.h"
#include "base/strings/string_view_util.h"
#include "crypto/hash.h"
#include "crypto/sha2.h"
#include "net/cert/asn1_util.h"
#include "net/cert/x509_certificate.h"
#include "net/cert/x509_util.h"
#include "net/test/cert_test_util.h"
#include "net/test/test_data_directory.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace net {
// These data blocks were generated using a lot of code that is still in
// development. For now, if you need to update them, you have to contact agl.
static const uint8_t kGIACRLSet[] = {
0x60, 0x00, 0x7b, 0x22, 0x56, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x22, 0x3a,
0x30, 0x2c, 0x22, 0x43, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x54, 0x79, 0x70,
0x65, 0x22, 0x3a, 0x22, 0x43, 0x52, 0x4c, 0x53, 0x65, 0x74, 0x22, 0x2c, 0x22,
0x53, 0x65, 0x71, 0x75, 0x65, 0x6e, 0x63, 0x65, 0x22, 0x3a, 0x30, 0x2c, 0x22,
0x44, 0x65, 0x6c, 0x74, 0x61, 0x46, 0x72, 0x6f, 0x6d, 0x22, 0x3a, 0x30, 0x2c,
0x22, 0x4e, 0x75, 0x6d, 0x50, 0x61, 0x72, 0x65, 0x6e, 0x74, 0x73, 0x22, 0x3a,
0x31, 0x2c, 0x22, 0x42, 0x6c, 0x6f, 0x63, 0x6b, 0x65, 0x64, 0x53, 0x50, 0x4b,
0x49, 0x73, 0x22, 0x3a, 0x5b, 0x5d, 0x7d, 0xb6, 0xb9, 0x54, 0x32, 0xab, 0xae,
0x57, 0xfe, 0x02, 0x0c, 0xb2, 0xb7, 0x4f, 0x4f, 0x9f, 0x91, 0x73, 0xc8, 0xc7,
0x08, 0xaf, 0xc9, 0xe7, 0x32, 0xac, 0xe2, 0x32, 0x79, 0x04, 0x7c, 0x6d, 0x05,
0x0d, 0x00, 0x00, 0x00, 0x0a, 0x10, 0x0d, 0x7f, 0x30, 0x00, 0x03, 0x00, 0x00,
0x23, 0xb0, 0x0a, 0x10, 0x0e, 0x37, 0x06, 0x00, 0x03, 0x00, 0x00, 0x23, 0xb1,
0x0a, 0x16, 0x25, 0x42, 0x54, 0x00, 0x03, 0x00, 0x00, 0x14, 0x51, 0x0a, 0x16,
0x69, 0xd1, 0xd7, 0x00, 0x03, 0x00, 0x00, 0x14, 0x52, 0x0a, 0x16, 0x70, 0x8c,
0x22, 0x00, 0x03, 0x00, 0x00, 0x14, 0x53, 0x0a, 0x16, 0x71, 0x31, 0x2c, 0x00,
0x03, 0x00, 0x00, 0x14, 0x54, 0x0a, 0x16, 0x7d, 0x75, 0x9d, 0x00, 0x03, 0x00,
0x00, 0x14, 0x55, 0x0a, 0x1f, 0xee, 0xf9, 0x49, 0x00, 0x03, 0x00, 0x00, 0x23,
0xae, 0x0a, 0x1f, 0xfc, 0xd1, 0x89, 0x00, 0x03, 0x00, 0x00, 0x23, 0xaf, 0x0a,
0x61, 0xdd, 0xc7, 0x48, 0x00, 0x03, 0x00, 0x00, 0x18, 0x0e, 0x0a, 0x61, 0xe6,
0x12, 0x64, 0x00, 0x03, 0x00, 0x00, 0x18, 0x0f, 0x0a, 0x61, 0xe9, 0x46, 0x56,
0x00, 0x03, 0x00, 0x00, 0x18, 0x10, 0x0a, 0x64, 0x63, 0x49, 0xd2, 0x00, 0x03,
0x00, 0x00, 0x1d, 0x77,
};
static const uint8_t kBlockedSPKICRLSet[] = {
0x8e, 0x00, 0x7b, 0x22, 0x56, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x22, 0x3a,
0x30, 0x2c, 0x22, 0x43, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x54, 0x79, 0x70,
0x65, 0x22, 0x3a, 0x22, 0x43, 0x52, 0x4c, 0x53, 0x65, 0x74, 0x22, 0x2c, 0x22,
0x53, 0x65, 0x71, 0x75, 0x65, 0x6e, 0x63, 0x65, 0x22, 0x3a, 0x30, 0x2c, 0x22,
0x44, 0x65, 0x6c, 0x74, 0x61, 0x46, 0x72, 0x6f, 0x6d, 0x22, 0x3a, 0x30, 0x2c,
0x22, 0x4e, 0x75, 0x6d, 0x50, 0x61, 0x72, 0x65, 0x6e, 0x74, 0x73, 0x22, 0x3a,
0x30, 0x2c, 0x22, 0x42, 0x6c, 0x6f, 0x63, 0x6b, 0x65, 0x64, 0x53, 0x50, 0x4b,
0x49, 0x73, 0x22, 0x3a, 0x5b, 0x22, 0x34, 0x37, 0x44, 0x45, 0x51, 0x70, 0x6a,
0x38, 0x48, 0x42, 0x53, 0x61, 0x2b, 0x2f, 0x54, 0x49, 0x6d, 0x57, 0x2b, 0x35,
0x4a, 0x43, 0x65, 0x75, 0x51, 0x65, 0x52, 0x6b, 0x6d, 0x35, 0x4e, 0x4d, 0x70,
0x4a, 0x57, 0x5a, 0x47, 0x33, 0x68, 0x53, 0x75, 0x46, 0x55, 0x3d, 0x22, 0x5d,
0x7d,
};
static const uint8_t kExpiredCRLSet[] = {
0x6d, 0x00, 0x7b, 0x22, 0x56, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x22, 0x3a,
0x30, 0x2c, 0x22, 0x43, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x54, 0x79, 0x70,
0x65, 0x22, 0x3a, 0x22, 0x43, 0x52, 0x4c, 0x53, 0x65, 0x74, 0x22, 0x2c, 0x22,
0x53, 0x65, 0x71, 0x75, 0x65, 0x6e, 0x63, 0x65, 0x22, 0x3a, 0x31, 0x2c, 0x22,
0x44, 0x65, 0x6c, 0x74, 0x61, 0x46, 0x72, 0x6f, 0x6d, 0x22, 0x3a, 0x30, 0x2c,
0x22, 0x4e, 0x75, 0x6d, 0x50, 0x61, 0x72, 0x65, 0x6e, 0x74, 0x73, 0x22, 0x3a,
0x30, 0x2c, 0x22, 0x42, 0x6c, 0x6f, 0x63, 0x6b, 0x65, 0x64, 0x53, 0x50, 0x4b,
0x49, 0x73, 0x22, 0x3a, 0x5b, 0x5d, 0x2c, 0x22, 0x4e, 0x6f, 0x74, 0x41, 0x66,
0x74, 0x65, 0x72, 0x22, 0x3a, 0x31, 0x7d,
};
// kGIASPKISHA256 is the SHA256 digest the Google Internet Authority's
// SubjectPublicKeyInfo.
static const uint8_t kGIASPKISHA256[32] = {
0xb6, 0xb9, 0x54, 0x32, 0xab, 0xae, 0x57, 0xfe, 0x02, 0x0c, 0xb2, 0xb7, 0x4f,
0x4f, 0x9f, 0x91, 0x73, 0xc8, 0xc7, 0x08, 0xaf, 0xc9, 0xe7, 0x32, 0xac, 0xe2,
0x32, 0x79, 0x04, 0x7c, 0x6d, 0x05,
};
TEST(CRLSetTest, Parse) {
std::string_view s(reinterpret_cast<const char*>(kGIACRLSet),
sizeof(kGIACRLSet));
scoped_refptr<CRLSet> set;
EXPECT_TRUE(CRLSet::Parse(s, &set));
ASSERT_TRUE(set.get() != nullptr);
const CRLSet::CRLList& crls = set->CrlsForTesting();
ASSERT_EQ(1u, crls.size());
const std::vector<std::string>& serials = crls.begin()->second;
static const unsigned kExpectedNumSerials = 13;
ASSERT_EQ(kExpectedNumSerials, serials.size());
EXPECT_EQ(std::string("\x10\x0D\x7F\x30\x00\x03\x00\x00\x23\xB0", 10),
serials[0]);
EXPECT_EQ(std::string("\x64\x63\x49\xD2\x00\x03\x00\x00\x1D\x77", 10),
serials[kExpectedNumSerials - 1]);
const std::string gia_spki_hash(reinterpret_cast<const char*>(kGIASPKISHA256),
sizeof(kGIASPKISHA256));
EXPECT_EQ(CRLSet::REVOKED,
set->CheckSerial(
std::string("\x16\x7D\x75\x9D\x00\x03\x00\x00\x14\x55", 10),
gia_spki_hash));
EXPECT_EQ(CRLSet::GOOD,
set->CheckSerial(
std::string("\x47\x54\x3E\x79\x00\x03\x00\x00\x14\xF5", 10),
gia_spki_hash));
EXPECT_FALSE(set->IsExpired());
}
TEST(CRLSetTest, BlockedSPKIs) {
std::string_view s(reinterpret_cast<const char*>(kBlockedSPKICRLSet),
sizeof(kBlockedSPKICRLSet));
scoped_refptr<CRLSet> set;
EXPECT_TRUE(CRLSet::Parse(s, &set));
ASSERT_TRUE(set.get() != nullptr);
const uint8_t spki_hash[] = {
227, 176, 196, 66, 152, 252, 28, 20, 154, 251, 244, 200, 153, 111, 185, 36,
39, 174, 65, 228, 100, 155, 147, 76, 164, 149, 153, 27, 120, 82, 184, 85,
0,
};
EXPECT_EQ(CRLSet::GOOD, set->CheckSPKI(""));
EXPECT_EQ(CRLSet::REVOKED,
set->CheckSPKI(reinterpret_cast<const char*>(spki_hash)));
}
TEST(CertVerifyProcTest, CRLSetIncorporatesStaticBlocklist) {
// Test both the builtin CRLSet and a parsed CRLSet to be sure that both
// include the block list.
scoped_refptr<CRLSet> set1 = CRLSet::BuiltinCRLSet();
ASSERT_TRUE(set1);
std::string_view s(reinterpret_cast<const char*>(kGIACRLSet),
sizeof(kGIACRLSet));
scoped_refptr<CRLSet> set2;
EXPECT_TRUE(CRLSet::Parse(s, &set2));
ASSERT_TRUE(set2);
static const auto kDigiNotarFilenames = std::to_array<const char*>({
"diginotar_root_ca.pem",
"diginotar_cyber_ca.pem",
"diginotar_services_1024_ca.pem",
"diginotar_pkioverheid.pem",
"diginotar_pkioverheid_g2.pem",
nullptr,
});
base::FilePath certs_dir = GetTestCertsDirectory();
for (size_t i = 0; kDigiNotarFilenames[i]; i++) {
scoped_refptr<X509Certificate> diginotar_cert =
ImportCertFromFile(certs_dir, kDigiNotarFilenames[i]);
ASSERT_TRUE(diginotar_cert);
std::string_view spki;
ASSERT_TRUE(asn1::ExtractSPKIFromDERCert(
x509_util::CryptoBufferAsStringPiece(diginotar_cert->cert_buffer()),
&spki));
std::string spki_sha256 = crypto::SHA256HashString(spki);
EXPECT_EQ(CRLSet::REVOKED, set1->CheckSPKI(spki_sha256))
<< "Public key not blocked for " << kDigiNotarFilenames[i];
EXPECT_EQ(CRLSet::REVOKED, set2->CheckSPKI(spki_sha256))
<< "Public key not blocked for " << kDigiNotarFilenames[i];
}
}
TEST(CRLSetTest, BlockedSubjects) {
std::string crl_set_bytes;
EXPECT_TRUE(base::ReadFileToString(
GetTestCertsDirectory().AppendASCII("crlset_by_root_subject.raw"),
&crl_set_bytes));
scoped_refptr<CRLSet> set;
EXPECT_TRUE(CRLSet::Parse(crl_set_bytes, &set));
ASSERT_TRUE(set.get() != nullptr);
scoped_refptr<X509Certificate> root = CreateCertificateChainFromFile(
GetTestCertsDirectory(), "root_ca_cert.pem",
X509Certificate::FORMAT_AUTO);
std::string_view root_der =
net::x509_util::CryptoBufferAsStringPiece(root->cert_buffer());
std::string_view spki;
ASSERT_TRUE(asn1::ExtractSPKIFromDERCert(root_der, &spki));
SHA256HashValue spki_sha256 = crypto::hash::Sha256(base::as_byte_span(spki));
std::string_view subject;
ASSERT_TRUE(asn1::ExtractSubjectFromDERCert(root_der, &subject));
// Unrelated subjects are unaffected.
EXPECT_EQ(CRLSet::GOOD, set->CheckSubject("abcdef", ""));
// The subject in question is considered revoked if used with an unknown SPKI
// hash.
EXPECT_EQ(CRLSet::REVOKED,
set->CheckSubject(
subject,
std::string_view(reinterpret_cast<const char*>(kGIASPKISHA256),
sizeof(kGIASPKISHA256))));
// When used with the correct hash, that subject should be accepted.
EXPECT_EQ(CRLSet::GOOD,
set->CheckSubject(subject, base::as_string_view(spki_sha256)));
}
TEST(CRLSetTest, Expired) {
// This CRLSet has an expiry value set to one second past midnight, 1st Jan,
// 1970.
std::string_view s(reinterpret_cast<const char*>(kExpiredCRLSet),
sizeof(kExpiredCRLSet));
scoped_refptr<CRLSet> set;
EXPECT_TRUE(CRLSet::Parse(s, &set));
ASSERT_TRUE(set.get() != nullptr);
EXPECT_TRUE(set->IsExpired());
}
} // namespace net
|
