1 // Copyright 2013 The Chromium Authors
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "net/test/ct_test_util.h"
6
7 #include <stdint.h>
8 #include <string.h>
9
10 #include <string_view>
11 #include <vector>
12
13 #include "base/base64.h"
14 #include "base/strings/string_number_conversions.h"
15 #include "base/strings/string_util.h"
16 #include "base/strings/stringprintf.h"
17 #include "net/base/hex_utils.h"
18 #include "net/cert/ct_serialization.h"
19 #include "net/cert/merkle_tree_leaf.h"
20 #include "net/cert/signed_tree_head.h"
21 #include "net/cert/x509_certificate.h"
22
23 namespace net::ct {
24
25 namespace {
26
27 // The following test vectors are from
28 // http://code.google.com/p/certificate-transparency
29
30 const char kDefaultDerCert[] =
31 "308202ca30820233a003020102020106300d06092a864886f70d01010505003055310b3009"
32 "06035504061302474231243022060355040a131b4365727469666963617465205472616e73"
33 "706172656e6379204341310e300c0603550408130557616c65733110300e06035504071307"
34 "4572772057656e301e170d3132303630313030303030305a170d3232303630313030303030"
35 "305a3052310b30090603550406130247423121301f060355040a1318436572746966696361"
36 "7465205472616e73706172656e6379310e300c0603550408130557616c65733110300e0603"
37 "55040713074572772057656e30819f300d06092a864886f70d010101050003818d00308189"
38 "02818100b1fa37936111f8792da2081c3fe41925008531dc7f2c657bd9e1de4704160b4c9f"
39 "19d54ada4470404c1c51341b8f1f7538dddd28d9aca48369fc5646ddcc7617f8168aae5b41"
40 "d43331fca2dadfc804d57208949061f9eef902ca47ce88c644e000f06eeeccabdc9dd2f68a"
41 "22ccb09dc76e0dbc73527765b1a37a8c676253dcc10203010001a381ac3081a9301d060355"
42 "1d0e041604146a0d982a3b62c44b6d2ef4e9bb7a01aa9cb798e2307d0603551d2304763074"
43 "80145f9d880dc873e654d4f80dd8e6b0c124b447c355a159a4573055310b30090603550406"
44 "1302474231243022060355040a131b4365727469666963617465205472616e73706172656e"
45 "6379204341310e300c0603550408130557616c65733110300e060355040713074572772057"
46 "656e82010030090603551d1304023000300d06092a864886f70d010105050003818100171c"
47 "d84aac414a9a030f22aac8f688b081b2709b848b4e5511406cd707fed028597a9faefc2eee"
48 "2978d633aaac14ed3235197da87e0f71b8875f1ac9e78b281749ddedd007e3ecf50645f8cb"
49 "f667256cd6a1647b5e13203bb8582de7d6696f656d1c60b95f456b7fcf338571908f1c6972"
50 "7d24c4fccd249295795814d1dac0e6";
51
52 const char kDefaultIssuerKeyHash[] =
53 "02adddca08b8bf9861f035940c940156d8350fdff899a6239c6bd77255b8f8fc";
54
55 const char kDefaultDerTbsCert[] =
56 "30820233a003020102020107300d06092a864886f70d01010505003055310b300906035504"
57 "061302474231243022060355040a131b4365727469666963617465205472616e7370617265"
58 "6e6379204341310e300c0603550408130557616c65733110300e0603550407130745727720"
59 "57656e301e170d3132303630313030303030305a170d3232303630313030303030305a3052"
60 "310b30090603550406130247423121301f060355040a131843657274696669636174652054"
61 "72616e73706172656e6379310e300c0603550408130557616c65733110300e060355040713"
62 "074572772057656e30819f300d06092a864886f70d010101050003818d0030818902818100"
63 "beef98e7c26877ae385f75325a0c1d329bedf18faaf4d796bf047eb7e1ce15c95ba2f80ee4"
64 "58bd7db86f8a4b252191a79bd700c38e9c0389b45cd4dc9a120ab21e0cb41cd0e72805a410"
65 "cd9c5bdb5d4927726daf1710f60187377ea25b1a1e39eed0b88119dc154dc68f7da8e30caf"
66 "158a33e6c9509f4a05b01409ff5dd87eb50203010001a381ac3081a9301d0603551d0e0416"
67 "04142031541af25c05ffd8658b6843794f5e9036f7b4307d0603551d230476307480145f9d"
68 "880dc873e654d4f80dd8e6b0c124b447c355a159a4573055310b3009060355040613024742"
69 "31243022060355040a131b4365727469666963617465205472616e73706172656e63792043"
70 "41310e300c0603550408130557616c65733110300e060355040713074572772057656e8201"
71 "0030090603551d1304023000";
72
73 const char kDefaultExtensions[] = "666f6f626172"; // "foobar"
74
75 const char kTestDigitallySigned[] =
76 "0403004730450220606e10ae5c2d5a1b0aed49dc4937f48de71a4e9784e9c208dfbfe9ef53"
77 "6cf7f2022100beb29c72d7d06d61d06bdb38a069469aa86fe12e18bb7cc45689a2c0187ef5"
78 "a5";
79
80 const char kTestSignedCertificateTimestamp[] =
81 "00df1c2ec11500945247a96168325ddc5c7959e8f7c6d388fc002e0bbd3f74d7640000013d"
82 "db27ded900000403004730450220606e10ae5c2d5a1b0aed49dc4937f48de71a4e9784e9c2"
83 "08dfbfe9ef536cf7f2022100beb29c72d7d06d61d06bdb38a069469aa86fe12e18bb7cc456"
84 "89a2c0187ef5a5";
85
86 const char kEcP256PublicKey[] =
87 "3059301306072a8648ce3d020106082a8648ce3d0301070342000499783cb14533c0161a5a"
88 "b45bf95d08a29cd0ea8dd4c84274e2be59ad15c676960cf0afa1074a57ac644b23479e5b3f"
89 "b7b245eb4b420ef370210371a944beaceb";
90
91 const char kTestKeyId[] =
92 "df1c2ec11500945247a96168325ddc5c7959e8f7c6d388fc002e0bbd3f74d764";
93
94 const int64_t kTestTimestamp = INT64_C(1396877277237);
95
96 const char kTestSCTSignatureData[] =
97 "30450220606e10ae5c2d5a1b0aed49dc4937f48de71a4e9784e9c208dfbfe9ef536cf7f202"
98 "2100beb29c72d7d06d61d06bdb38a069469aa86fe12e18bb7cc45689a2c0187ef5a5";
99
100 const char kTestSCTPrecertSignatureData[] =
101 "30450220482f6751af35dba65436be1fd6640f3dbf9a41429495924530288fa3e5e23e0602"
102 "2100e4edc0db3ac572b1e2f5e8ab6a680653987dcf41027dfeffa105519d89edbf08";
103
104 // A well-formed OCSP response with fake SCT contents. Does not come from
105 // http://code.google.com/p/certificate-transparency, does not pertain to any
106 // of the test certs here, and is only used to test extracting the extension
107 // contents from the response.
108 const char kFakeOCSPResponse[] =
109 "3082016e0a0100a08201673082016306092b060105050730010104820154308201503081ba"
110 "a21604144edfdf5ff9c90ffacfca66e7fbc436bc39ee3fc7180f3230313030313031303630"
111 "3030305a30818e30818b3049300906052b0e03021a050004141833a1e6a4f09577cca0e64c"
112 "e7d145ca4b93700904144edfdf5ff9c90ffacfca66e7fbc436bc39ee3fc7021001aef99bde"
113 "e0bb58c6f2b816bc3ae02f8000180f32303130303130313036303030305aa011180f323033"
114 "30303130313036303030305aa11830163014060a2b06010401d67902040504060404746573"
115 "74300d06092a864886f70d0101050500038181003586ffcf0794e64eb643d52a3d570a1c93"
116 "836395986a2f792dd4e9c70b05161186c55c1658e0607dc9ec0d0924ac37fb99506c870579"
117 "634be1de62ba2fced5f61f3b428f959fcee9bddf6f268c8e14c14fdf3b447786e638a5c8cc"
118 "b610893df17a60e4cff30f4780aeffe0086ef19910f0d9cd7414bc93d1945686f88ad0a3c3"
119 ;
120
121 const char kFakeOCSPResponseCert[] =
122 "3082022930820192a003020102021001aef99bdee0bb58c6f2b816bc3ae02f300d06092a86"
123 "4886f70d01010505003015311330110603550403130a54657374696e67204341301e170d31"
124 "30303130313036303030305a170d3332313230313036303030305a30373112301006035504"
125 "0313093132372e302e302e31310b300906035504061302585831143012060355040a130b54"
126 "657374696e67204f726730819d300d06092a864886f70d010101050003818b003081870281"
127 "8100a71998f2930bfe73d031a87f133d2f378eeeeed52a77e44d0fc9ff6f07ff32cbf3da99"
128 "9de4ed65832afcb0807f98787506539d258a0ce3c2c77967653099a9034a9b115a876c39a8"
129 "c4e4ed4acd0c64095946fb39eeeb47a0704dbb018acf48c3a1c4b895fc409fb4a340a986b1"
130 "afc45519ab9eca47c30185c771c64aa5ecf07d020103a35a3058303a06082b060105050701"
131 "01010100042b3029302706082b06010505073001861b687474703a2f2f3132372e302e302e"
132 "313a35353038312f6f637370301a0603551d200101000410300e300c060a2b06010401d679"
133 "020401300d06092a864886f70d01010505000381810065e04fadd3484197f3412479d917e1"
134 "9d8f7db57b526f2d0e4c046f86cebe643bf568ea0cd6570b228842aa057c6a7c79f209dfcd"
135 "3419a4d93b1ecfb1c0224f33083c7d4da023499fbd00d81d6711ad58ffcf65f1545247fe9d"
136 "83203425fd706b4fc5e797002af3d88151be5901eef56ec30aacdfc404be1bd35865ff1943"
137 "2516";
138
139 const char kFakeOCSPResponseIssuerCert[] =
140 "308201d13082013aa003020102020101300d06092a864886f70d0101050500301531133011"
141 "0603550403130a54657374696e67204341301e170d3130303130313036303030305a170d33"
142 "32313230313036303030305a3015311330110603550403130a54657374696e672043413081"
143 "9d300d06092a864886f70d010101050003818b0030818702818100a71998f2930bfe73d031"
144 "a87f133d2f378eeeeed52a77e44d0fc9ff6f07ff32cbf3da999de4ed65832afcb0807f9878"
145 "7506539d258a0ce3c2c77967653099a9034a9b115a876c39a8c4e4ed4acd0c64095946fb39"
146 "eeeb47a0704dbb018acf48c3a1c4b895fc409fb4a340a986b1afc45519ab9eca47c30185c7"
147 "71c64aa5ecf07d020103a333303130120603551d130101ff040830060101ff020100301b06"
148 "03551d200101000411300f300d060b2b06010401d6790201ce0f300d06092a864886f70d01"
149 "01050500038181003f4936f8d00e83fbdde331f2c64335dcf7dec8b1a2597683edeed61af0"
150 "fa862412fad848938fe7ab77f1f9a43671ff6fdb729386e26f49e7aca0c0ea216e5970d933"
151 "3ea1e11df2ccb357a5fed5220f9c6239e8946b9b7517707631d51ab996833d58a022cff5a6"
152 "2169ac9258ec110efee78da9ab4a641e3b3c9ee5e8bd291460";
153
154 const char kFakeOCSPExtensionValue[] = "74657374"; // "test"
155
156 // For the sample STH
157 const char kSampleSTHSHA256RootHash[] =
158 "726467216167397babca293dca398e4ce6b621b18b9bc42f30c900d1f92ac1e4";
159 const char kSampleSTHTreeHeadSignature[] =
160 "0403004730450220365a91a2a88f2b9332f41d8959fa7086da7e6d634b7b089bc9da066426"
161 "6c7a20022100e38464f3c0fd066257b982074f7ac87655e0c8f714768a050b4be9a7b441cb"
162 "d3";
163 size_t kSampleSTHTreeSize = 21u;
164
165 } // namespace
166
GetX509CertSignedEntry(SignedEntryData * entry)167 void GetX509CertSignedEntry(SignedEntryData* entry) {
168 entry->type = ct::SignedEntryData::LOG_ENTRY_TYPE_X509;
169 entry->leaf_certificate = HexDecode(kDefaultDerCert);
170 }
171
GetX509CertTreeLeaf(MerkleTreeLeaf * tree_leaf)172 void GetX509CertTreeLeaf(MerkleTreeLeaf* tree_leaf) {
173 tree_leaf->timestamp =
174 base::Time::FromMillisecondsSinceUnixEpoch(kTestTimestamp);
175 GetX509CertSignedEntry(&tree_leaf->signed_entry);
176 tree_leaf->extensions = HexDecode(kDefaultExtensions);
177 }
178
GetDerEncodedX509Cert()179 std::string GetDerEncodedX509Cert() {
180 return HexDecode(kDefaultDerCert);
181 }
182
GetPrecertSignedEntry(SignedEntryData * entry)183 void GetPrecertSignedEntry(SignedEntryData* entry) {
184 entry->type = ct::SignedEntryData::LOG_ENTRY_TYPE_PRECERT;
185 std::string issuer_hash(HexDecode(kDefaultIssuerKeyHash));
186 memcpy(entry->issuer_key_hash.data, issuer_hash.data(), issuer_hash.size());
187 entry->tbs_certificate = HexDecode(kDefaultDerTbsCert);
188 }
189
GetPrecertTreeLeaf(MerkleTreeLeaf * tree_leaf)190 void GetPrecertTreeLeaf(MerkleTreeLeaf* tree_leaf) {
191 tree_leaf->timestamp =
192 base::Time::FromMillisecondsSinceUnixEpoch(kTestTimestamp);
193 GetPrecertSignedEntry(&tree_leaf->signed_entry);
194 tree_leaf->extensions = HexDecode(kDefaultExtensions);
195 }
196
GetTestDigitallySigned()197 std::string GetTestDigitallySigned() {
198 return HexDecode(kTestDigitallySigned);
199 }
200
GetTestSignedCertificateTimestamp()201 std::string GetTestSignedCertificateTimestamp() {
202 return HexDecode(kTestSignedCertificateTimestamp);
203 }
204
GetTestPublicKey()205 std::string GetTestPublicKey() {
206 return HexDecode(kEcP256PublicKey);
207 }
208
GetTestPublicKeyId()209 std::string GetTestPublicKeyId() {
210 return HexDecode(kTestKeyId);
211 }
212
GetX509CertSCT(scoped_refptr<SignedCertificateTimestamp> * sct_ref)213 void GetX509CertSCT(scoped_refptr<SignedCertificateTimestamp>* sct_ref) {
214 CHECK(sct_ref != nullptr);
215 *sct_ref = base::MakeRefCounted<SignedCertificateTimestamp>();
216 SignedCertificateTimestamp *const sct(sct_ref->get());
217 sct->version = ct::SignedCertificateTimestamp::V1;
218 sct->log_id = HexDecode(kTestKeyId);
219 // Time the log issued a SCT for this certificate, which is
220 // Fri Apr 5 10:04:16.089 2013
221 sct->timestamp =
222 base::Time::UnixEpoch() + base::Milliseconds(INT64_C(1365181456089));
223 sct->extensions.clear();
224
225 sct->signature.hash_algorithm = ct::DigitallySigned::HASH_ALGO_SHA256;
226 sct->signature.signature_algorithm = ct::DigitallySigned::SIG_ALGO_ECDSA;
227 sct->signature.signature_data = HexDecode(kTestSCTSignatureData);
228 }
229
GetPrecertSCT(scoped_refptr<SignedCertificateTimestamp> * sct_ref)230 void GetPrecertSCT(scoped_refptr<SignedCertificateTimestamp>* sct_ref) {
231 CHECK(sct_ref != nullptr);
232 *sct_ref = base::MakeRefCounted<SignedCertificateTimestamp>();
233 SignedCertificateTimestamp *const sct(sct_ref->get());
234 sct->version = ct::SignedCertificateTimestamp::V1;
235 sct->log_id = HexDecode(kTestKeyId);
236 // Time the log issued a SCT for this Precertificate, which is
237 // Fri Apr 5 10:04:16.275 2013
238 sct->timestamp =
239 base::Time::UnixEpoch() + base::Milliseconds(INT64_C(1365181456275));
240 sct->extensions.clear();
241
242 sct->signature.hash_algorithm = ct::DigitallySigned::HASH_ALGO_SHA256;
243 sct->signature.signature_algorithm = ct::DigitallySigned::SIG_ALGO_ECDSA;
244 sct->signature.signature_data = HexDecode(kTestSCTPrecertSignatureData);
245 }
246
GetDefaultIssuerKeyHash()247 std::string GetDefaultIssuerKeyHash() {
248 return HexDecode(kDefaultIssuerKeyHash);
249 }
250
GetDerEncodedFakeOCSPResponse()251 std::string GetDerEncodedFakeOCSPResponse() {
252 return HexDecode(kFakeOCSPResponse);
253 }
254
GetFakeOCSPExtensionValue()255 std::string GetFakeOCSPExtensionValue() {
256 return HexDecode(kFakeOCSPExtensionValue);
257 }
258
GetDerEncodedFakeOCSPResponseCert()259 std::string GetDerEncodedFakeOCSPResponseCert() {
260 return HexDecode(kFakeOCSPResponseCert);
261 }
262
GetDerEncodedFakeOCSPResponseIssuerCert()263 std::string GetDerEncodedFakeOCSPResponseIssuerCert() {
264 return HexDecode(kFakeOCSPResponseIssuerCert);
265 }
266
267 // A sample, valid STH
GetSampleSignedTreeHead(SignedTreeHead * sth)268 bool GetSampleSignedTreeHead(SignedTreeHead* sth) {
269 sth->version = SignedTreeHead::V1;
270 sth->timestamp = base::Time::UnixEpoch() + base::Milliseconds(kTestTimestamp);
271 sth->tree_size = kSampleSTHTreeSize;
272 std::string sha256_root_hash = GetSampleSTHSHA256RootHash();
273 memcpy(sth->sha256_root_hash, sha256_root_hash.c_str(), kSthRootHashLength);
274 sth->log_id = GetTestPublicKeyId();
275
276 return GetSampleSTHTreeHeadDecodedSignature(&(sth->signature));
277 }
278
GetSampleEmptySignedTreeHead(SignedTreeHead * sth)279 bool GetSampleEmptySignedTreeHead(SignedTreeHead* sth) {
280 sth->version = SignedTreeHead::V1;
281 sth->timestamp =
282 base::Time::UnixEpoch() + base::Milliseconds(INT64_C(1450443594920));
283 sth->tree_size = 0;
284 std::string empty_root_hash = HexDecode(
285 "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855");
286 memcpy(sth->sha256_root_hash, empty_root_hash.c_str(), kSthRootHashLength);
287 sth->log_id = GetTestPublicKeyId();
288
289 std::string tree_head_signature = HexDecode(
290 "040300463044022046c26401de9416403da54762dc1f1687c38eafd791b15e484ab4c5f7"
291 "f52721fe02201bf537a3bbea47109fc76c2273fe0f3349f493a07de9335c266330105fb0"
292 "2a4a");
293 std::string_view sp(tree_head_signature);
294 return DecodeDigitallySigned(&sp, &(sth->signature)) && sp.empty();
295 }
296
GetBadEmptySignedTreeHead(SignedTreeHead * sth)297 bool GetBadEmptySignedTreeHead(SignedTreeHead* sth) {
298 sth->version = SignedTreeHead::V1;
299 sth->timestamp =
300 base::Time::UnixEpoch() + base::Milliseconds(INT64_C(1450870952897));
301 sth->tree_size = 0;
302 memset(sth->sha256_root_hash, 'f', kSthRootHashLength);
303 sth->log_id = GetTestPublicKeyId();
304
305 std::string tree_head_signature = HexDecode(
306 "04030046304402207cab04c62dee5d1cbc95fec30cd8417313f71587b75f133ad2e6f324"
307 "74f164d702205e2f3a9bce46f87d7e20e951a4e955da3cb502f8717a22fabd7c5d7e1bef"
308 "46ea");
309 std::string_view sp(tree_head_signature);
310 return DecodeDigitallySigned(&sp, &(sth->signature)) && sp.empty();
311 }
312
GetSampleSTHSHA256RootHash()313 std::string GetSampleSTHSHA256RootHash() {
314 return HexDecode(kSampleSTHSHA256RootHash);
315 }
316
GetSampleSTHTreeHeadSignature()317 std::string GetSampleSTHTreeHeadSignature() {
318 return HexDecode(kSampleSTHTreeHeadSignature);
319 }
320
GetSampleSTHTreeHeadDecodedSignature(DigitallySigned * signature)321 bool GetSampleSTHTreeHeadDecodedSignature(DigitallySigned* signature) {
322 std::string tree_head_signature = HexDecode(kSampleSTHTreeHeadSignature);
323 std::string_view sp(tree_head_signature);
324 return DecodeDigitallySigned(&sp, signature) && sp.empty();
325 }
326
GetSampleSTHAsJson()327 std::string GetSampleSTHAsJson() {
328 return CreateSignedTreeHeadJsonString(kSampleSTHTreeSize, kTestTimestamp,
329 GetSampleSTHSHA256RootHash(),
330 GetSampleSTHTreeHeadSignature());
331 }
332
CreateSignedTreeHeadJsonString(size_t tree_size,int64_t timestamp,std::string sha256_root_hash,std::string tree_head_signature)333 std::string CreateSignedTreeHeadJsonString(size_t tree_size,
334 int64_t timestamp,
335 std::string sha256_root_hash,
336 std::string tree_head_signature) {
337 std::string sth_json =
338 std::string("{\"tree_size\":") + base::NumberToString(tree_size) +
339 std::string(",\"timestamp\":") + base::NumberToString(timestamp);
340
341 if (!sha256_root_hash.empty()) {
342 std::string root_hash_b64 = base::Base64Encode(sha256_root_hash);
343 sth_json += base::StringPrintf(",\"sha256_root_hash\":\"%s\"",
344 root_hash_b64.c_str());
345 }
346 if (!tree_head_signature.empty()) {
347 std::string tree_head_signature_b64 =
348 base::Base64Encode(tree_head_signature);
349 sth_json += base::StringPrintf(",\"tree_head_signature\":\"%s\"",
350 tree_head_signature_b64.c_str());
351 }
352
353 sth_json += "}";
354 return sth_json;
355 }
356
CreateConsistencyProofJsonString(const std::vector<std::string> & raw_nodes)357 std::string CreateConsistencyProofJsonString(
358 const std::vector<std::string>& raw_nodes) {
359 std::string consistency_proof_json = std::string("{\"consistency\":[");
360
361 for (auto it = raw_nodes.begin(); it != raw_nodes.end(); ++it) {
362 std::string proof_node_b64 = base::Base64Encode(*it);
363 consistency_proof_json +=
364 base::StringPrintf("\"%s\"", proof_node_b64.c_str());
365 if (it + 1 != raw_nodes.end())
366 consistency_proof_json += std::string(",");
367 }
368 consistency_proof_json += std::string("]}");
369
370 return consistency_proof_json;
371 }
372
GetSCTListForTesting()373 std::string GetSCTListForTesting() {
374 const std::string sct = ct::GetTestSignedCertificateTimestamp();
375 std::string sct_list;
376 ct::EncodeSCTListForTesting({sct}, &sct_list);
377 return sct_list;
378 }
379
GetSCTListWithInvalidSCT()380 std::string GetSCTListWithInvalidSCT() {
381 std::string sct(ct::GetTestSignedCertificateTimestamp());
382
383 // Change a byte inside the Log ID part of the SCT so it does not match the
384 // log used in the tests.
385 sct[15] = 't';
386
387 std::string sct_list;
388 ct::EncodeSCTListForTesting({sct}, &sct_list);
389 return sct_list;
390 }
391
CheckForSingleVerifiedSCTInResult(const SignedCertificateTimestampAndStatusList & scts,const std::string & log_description)392 bool CheckForSingleVerifiedSCTInResult(
393 const SignedCertificateTimestampAndStatusList& scts,
394 const std::string& log_description) {
395 return (scts.size() == 1 && scts[0].status == ct::SCT_STATUS_OK &&
396 scts[0].sct->log_description == log_description);
397 }
398
CheckForSCTOrigin(const SignedCertificateTimestampAndStatusList & scts,ct::SignedCertificateTimestamp::Origin origin)399 bool CheckForSCTOrigin(const SignedCertificateTimestampAndStatusList& scts,
400 ct::SignedCertificateTimestamp::Origin origin) {
401 for (const auto& sct_and_status : scts)
402 if (sct_and_status.status == SCT_STATUS_OK &&
403 sct_and_status.sct->origin == origin)
404 return true;
405
406 return false;
407 }
408
409 } // namespace net::ct
410