blob: 9bc6f958da7575a5d8f85d0ec33e09c8e99a63b3 [file] [log] [blame]
// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/test/ct_test_util.h"
#include <stdint.h>
#include <string.h>
#include <vector>
#include "base/base64.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_piece.h"
#include "base/strings/string_util.h"
#include "base/strings/stringprintf.h"
#include "net/cert/ct_serialization.h"
#include "net/cert/ct_verify_result.h"
#include "net/cert/signed_tree_head.h"
#include "net/cert/x509_certificate.h"
namespace net {
namespace ct {
namespace {
std::string HexToBytes(const char* hex_data) {
std::vector<uint8_t> output;
std::string result;
if (base::HexStringToBytes(hex_data, &output))
result.assign(reinterpret_cast<const char*>(&output[0]), output.size());
return result;
}
// The following test vectors are from
// http://code.google.com/p/certificate-transparency
const char kDefaultDerCert[] =
"308202ca30820233a003020102020106300d06092a864886f70d01010505003055310b3009"
"06035504061302474231243022060355040a131b4365727469666963617465205472616e73"
"706172656e6379204341310e300c0603550408130557616c65733110300e06035504071307"
"4572772057656e301e170d3132303630313030303030305a170d3232303630313030303030"
"305a3052310b30090603550406130247423121301f060355040a1318436572746966696361"
"7465205472616e73706172656e6379310e300c0603550408130557616c65733110300e0603"
"55040713074572772057656e30819f300d06092a864886f70d010101050003818d00308189"
"02818100b1fa37936111f8792da2081c3fe41925008531dc7f2c657bd9e1de4704160b4c9f"
"19d54ada4470404c1c51341b8f1f7538dddd28d9aca48369fc5646ddcc7617f8168aae5b41"
"d43331fca2dadfc804d57208949061f9eef902ca47ce88c644e000f06eeeccabdc9dd2f68a"
"22ccb09dc76e0dbc73527765b1a37a8c676253dcc10203010001a381ac3081a9301d060355"
"1d0e041604146a0d982a3b62c44b6d2ef4e9bb7a01aa9cb798e2307d0603551d2304763074"
"80145f9d880dc873e654d4f80dd8e6b0c124b447c355a159a4573055310b30090603550406"
"1302474231243022060355040a131b4365727469666963617465205472616e73706172656e"
"6379204341310e300c0603550408130557616c65733110300e060355040713074572772057"
"656e82010030090603551d1304023000300d06092a864886f70d010105050003818100171c"
"d84aac414a9a030f22aac8f688b081b2709b848b4e5511406cd707fed028597a9faefc2eee"
"2978d633aaac14ed3235197da87e0f71b8875f1ac9e78b281749ddedd007e3ecf50645f8cb"
"f667256cd6a1647b5e13203bb8582de7d6696f656d1c60b95f456b7fcf338571908f1c6972"
"7d24c4fccd249295795814d1dac0e6";
const char kDefaultIssuerKeyHash[] =
"02adddca08b8bf9861f035940c940156d8350fdff899a6239c6bd77255b8f8fc";
const char kDefaultDerTbsCert[] =
"30820233a003020102020107300d06092a864886f70d01010505003055310b300906035504"
"061302474231243022060355040a131b4365727469666963617465205472616e7370617265"
"6e6379204341310e300c0603550408130557616c65733110300e0603550407130745727720"
"57656e301e170d3132303630313030303030305a170d3232303630313030303030305a3052"
"310b30090603550406130247423121301f060355040a131843657274696669636174652054"
"72616e73706172656e6379310e300c0603550408130557616c65733110300e060355040713"
"074572772057656e30819f300d06092a864886f70d010101050003818d0030818902818100"
"beef98e7c26877ae385f75325a0c1d329bedf18faaf4d796bf047eb7e1ce15c95ba2f80ee4"
"58bd7db86f8a4b252191a79bd700c38e9c0389b45cd4dc9a120ab21e0cb41cd0e72805a410"
"cd9c5bdb5d4927726daf1710f60187377ea25b1a1e39eed0b88119dc154dc68f7da8e30caf"
"158a33e6c9509f4a05b01409ff5dd87eb50203010001a381ac3081a9301d0603551d0e0416"
"04142031541af25c05ffd8658b6843794f5e9036f7b4307d0603551d230476307480145f9d"
"880dc873e654d4f80dd8e6b0c124b447c355a159a4573055310b3009060355040613024742"
"31243022060355040a131b4365727469666963617465205472616e73706172656e63792043"
"41310e300c0603550408130557616c65733110300e060355040713074572772057656e8201"
"0030090603551d1304023000";
const char kTestDigitallySigned[] =
"0403004730450220606e10ae5c2d5a1b0aed49dc4937f48de71a4e9784e9c208dfbfe9ef53"
"6cf7f2022100beb29c72d7d06d61d06bdb38a069469aa86fe12e18bb7cc45689a2c0187ef5"
"a5";
const char kTestSignedCertificateTimestamp[] =
"00df1c2ec11500945247a96168325ddc5c7959e8f7c6d388fc002e0bbd3f74d7640000013d"
"db27ded900000403004730450220606e10ae5c2d5a1b0aed49dc4937f48de71a4e9784e9c2"
"08dfbfe9ef536cf7f2022100beb29c72d7d06d61d06bdb38a069469aa86fe12e18bb7cc456"
"89a2c0187ef5a5";
const char kEcP256PublicKey[] =
"3059301306072a8648ce3d020106082a8648ce3d0301070342000499783cb14533c0161a5a"
"b45bf95d08a29cd0ea8dd4c84274e2be59ad15c676960cf0afa1074a57ac644b23479e5b3f"
"b7b245eb4b420ef370210371a944beaceb";
const char kTestKeyId[] =
"df1c2ec11500945247a96168325ddc5c7959e8f7c6d388fc002e0bbd3f74d764";
const char kTestSCTSignatureData[] =
"30450220606e10ae5c2d5a1b0aed49dc4937f48de71a4e9784e9c208dfbfe9ef536cf7f202"
"2100beb29c72d7d06d61d06bdb38a069469aa86fe12e18bb7cc45689a2c0187ef5a5";
const char kTestSCTPrecertSignatureData[] =
"30450220482f6751af35dba65436be1fd6640f3dbf9a41429495924530288fa3e5e23e0602"
"2100e4edc0db3ac572b1e2f5e8ab6a680653987dcf41027dfeffa105519d89edbf08";
// A well-formed OCSP response with fake SCT contents. Does not come from
// http://code.google.com/p/certificate-transparency, does not pertain to any
// of the test certs here, and is only used to test extracting the extension
// contents from the response.
const char kFakeOCSPResponse[] =
"3082016e0a0100a08201673082016306092b060105050730010104820154308201503081ba"
"a21604144edfdf5ff9c90ffacfca66e7fbc436bc39ee3fc7180f3230313030313031303630"
"3030305a30818e30818b3049300906052b0e03021a050004141833a1e6a4f09577cca0e64c"
"e7d145ca4b93700904144edfdf5ff9c90ffacfca66e7fbc436bc39ee3fc7021001aef99bde"
"e0bb58c6f2b816bc3ae02f8000180f32303130303130313036303030305aa011180f323033"
"30303130313036303030305aa11830163014060a2b06010401d67902040504060404746573"
"74300d06092a864886f70d0101050500038181003586ffcf0794e64eb643d52a3d570a1c93"
"836395986a2f792dd4e9c70b05161186c55c1658e0607dc9ec0d0924ac37fb99506c870579"
"634be1de62ba2fced5f61f3b428f959fcee9bddf6f268c8e14c14fdf3b447786e638a5c8cc"
"b610893df17a60e4cff30f4780aeffe0086ef19910f0d9cd7414bc93d1945686f88ad0a3c3"
;
const char kFakeOCSPResponseCert[] =
"3082022930820192a003020102021001aef99bdee0bb58c6f2b816bc3ae02f300d06092a86"
"4886f70d01010505003015311330110603550403130a54657374696e67204341301e170d31"
"30303130313036303030305a170d3332313230313036303030305a30373112301006035504"
"0313093132372e302e302e31310b300906035504061302585831143012060355040a130b54"
"657374696e67204f726730819d300d06092a864886f70d010101050003818b003081870281"
"8100a71998f2930bfe73d031a87f133d2f378eeeeed52a77e44d0fc9ff6f07ff32cbf3da99"
"9de4ed65832afcb0807f98787506539d258a0ce3c2c77967653099a9034a9b115a876c39a8"
"c4e4ed4acd0c64095946fb39eeeb47a0704dbb018acf48c3a1c4b895fc409fb4a340a986b1"
"afc45519ab9eca47c30185c771c64aa5ecf07d020103a35a3058303a06082b060105050701"
"01010100042b3029302706082b06010505073001861b687474703a2f2f3132372e302e302e"
"313a35353038312f6f637370301a0603551d200101000410300e300c060a2b06010401d679"
"020401300d06092a864886f70d01010505000381810065e04fadd3484197f3412479d917e1"
"9d8f7db57b526f2d0e4c046f86cebe643bf568ea0cd6570b228842aa057c6a7c79f209dfcd"
"3419a4d93b1ecfb1c0224f33083c7d4da023499fbd00d81d6711ad58ffcf65f1545247fe9d"
"83203425fd706b4fc5e797002af3d88151be5901eef56ec30aacdfc404be1bd35865ff1943"
"2516";
const char kFakeOCSPResponseIssuerCert[] =
"308201d13082013aa003020102020101300d06092a864886f70d0101050500301531133011"
"0603550403130a54657374696e67204341301e170d3130303130313036303030305a170d33"
"32313230313036303030305a3015311330110603550403130a54657374696e672043413081"
"9d300d06092a864886f70d010101050003818b0030818702818100a71998f2930bfe73d031"
"a87f133d2f378eeeeed52a77e44d0fc9ff6f07ff32cbf3da999de4ed65832afcb0807f9878"
"7506539d258a0ce3c2c77967653099a9034a9b115a876c39a8c4e4ed4acd0c64095946fb39"
"eeeb47a0704dbb018acf48c3a1c4b895fc409fb4a340a986b1afc45519ab9eca47c30185c7"
"71c64aa5ecf07d020103a333303130120603551d130101ff040830060101ff020100301b06"
"03551d200101000411300f300d060b2b06010401d6790201ce0f300d06092a864886f70d01"
"01050500038181003f4936f8d00e83fbdde331f2c64335dcf7dec8b1a2597683edeed61af0"
"fa862412fad848938fe7ab77f1f9a43671ff6fdb729386e26f49e7aca0c0ea216e5970d933"
"3ea1e11df2ccb357a5fed5220f9c6239e8946b9b7517707631d51ab996833d58a022cff5a6"
"2169ac9258ec110efee78da9ab4a641e3b3c9ee5e8bd291460";
const char kFakeOCSPExtensionValue[] = "74657374"; // "test"
// For the sample STH
const char kSampleSTHSHA256RootHash[] =
"726467216167397babca293dca398e4ce6b621b18b9bc42f30c900d1f92ac1e4";
const char kSampleSTHTreeHeadSignature[] =
"0403004730450220365a91a2a88f2b9332f41d8959fa7086da7e6d634b7b089bc9da066426"
"6c7a20022100e38464f3c0fd066257b982074f7ac87655e0c8f714768a050b4be9a7b441cb"
"d3";
size_t kSampleSTHTreeSize = 21u;
int64_t kSampleSTHTimestamp = INT64_C(1396877277237);
} // namespace
void GetX509CertLogEntry(LogEntry* entry) {
entry->type = ct::LogEntry::LOG_ENTRY_TYPE_X509;
entry->leaf_certificate = HexToBytes(kDefaultDerCert);
}
std::string GetDerEncodedX509Cert() { return HexToBytes(kDefaultDerCert); }
void GetPrecertLogEntry(LogEntry* entry) {
entry->type = ct::LogEntry::LOG_ENTRY_TYPE_PRECERT;
std::string issuer_hash(HexToBytes(kDefaultIssuerKeyHash));
memcpy(entry->issuer_key_hash.data, issuer_hash.data(), issuer_hash.size());
entry->tbs_certificate = HexToBytes(kDefaultDerTbsCert);
}
std::string GetTestDigitallySigned() {
return HexToBytes(kTestDigitallySigned);
}
std::string GetTestSignedCertificateTimestamp() {
return HexToBytes(kTestSignedCertificateTimestamp);
}
std::string GetTestPublicKey() {
return HexToBytes(kEcP256PublicKey);
}
std::string GetTestPublicKeyId() {
return HexToBytes(kTestKeyId);
}
void GetX509CertSCT(scoped_refptr<SignedCertificateTimestamp>* sct_ref) {
CHECK(sct_ref != NULL);
*sct_ref = new SignedCertificateTimestamp();
SignedCertificateTimestamp *const sct(sct_ref->get());
sct->version = ct::SignedCertificateTimestamp::SCT_VERSION_1;
sct->log_id = HexToBytes(kTestKeyId);
// Time the log issued a SCT for this certificate, which is
// Fri Apr 5 10:04:16.089 2013
sct->timestamp = base::Time::UnixEpoch() +
base::TimeDelta::FromMilliseconds(INT64_C(1365181456089));
sct->extensions.clear();
sct->signature.hash_algorithm = ct::DigitallySigned::HASH_ALGO_SHA256;
sct->signature.signature_algorithm = ct::DigitallySigned::SIG_ALGO_ECDSA;
sct->signature.signature_data = HexToBytes(kTestSCTSignatureData);
}
void GetPrecertSCT(scoped_refptr<SignedCertificateTimestamp>* sct_ref) {
CHECK(sct_ref != NULL);
*sct_ref = new SignedCertificateTimestamp();
SignedCertificateTimestamp *const sct(sct_ref->get());
sct->version = ct::SignedCertificateTimestamp::SCT_VERSION_1;
sct->log_id = HexToBytes(kTestKeyId);
// Time the log issued a SCT for this Precertificate, which is
// Fri Apr 5 10:04:16.275 2013
sct->timestamp = base::Time::UnixEpoch() +
base::TimeDelta::FromMilliseconds(INT64_C(1365181456275));
sct->extensions.clear();
sct->signature.hash_algorithm = ct::DigitallySigned::HASH_ALGO_SHA256;
sct->signature.signature_algorithm = ct::DigitallySigned::SIG_ALGO_ECDSA;
sct->signature.signature_data = HexToBytes(kTestSCTPrecertSignatureData);
}
std::string GetDefaultIssuerKeyHash() {
return HexToBytes(kDefaultIssuerKeyHash);
}
std::string GetDerEncodedFakeOCSPResponse() {
return HexToBytes(kFakeOCSPResponse);
}
std::string GetFakeOCSPExtensionValue() {
return HexToBytes(kFakeOCSPExtensionValue);
}
std::string GetDerEncodedFakeOCSPResponseCert() {
return HexToBytes(kFakeOCSPResponseCert);
}
std::string GetDerEncodedFakeOCSPResponseIssuerCert() {
return HexToBytes(kFakeOCSPResponseIssuerCert);
}
// A sample, valid STH
bool GetSampleSignedTreeHead(SignedTreeHead* sth) {
sth->version = SignedTreeHead::V1;
sth->timestamp = base::Time::UnixEpoch() +
base::TimeDelta::FromMilliseconds(kSampleSTHTimestamp);
sth->tree_size = kSampleSTHTreeSize;
std::string sha256_root_hash = GetSampleSTHSHA256RootHash();
memcpy(sth->sha256_root_hash, sha256_root_hash.c_str(), kSthRootHashLength);
return GetSampleSTHTreeHeadDecodedSignature(&(sth->signature));
}
bool GetSampleEmptySignedTreeHead(SignedTreeHead* sth) {
sth->version = SignedTreeHead::V1;
sth->timestamp = base::Time::UnixEpoch() +
base::TimeDelta::FromMilliseconds(INT64_C(1450443594920));
sth->tree_size = 0;
std::string empty_root_hash = HexToBytes(
"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855");
memcpy(sth->sha256_root_hash, empty_root_hash.c_str(), kSthRootHashLength);
std::string tree_head_signature = HexToBytes(
"040300463044022046c26401de9416403da54762dc1f1687c38eafd791b15e484ab4c5f7"
"f52721fe02201bf537a3bbea47109fc76c2273fe0f3349f493a07de9335c266330105fb0"
"2a4a");
base::StringPiece sp(tree_head_signature);
return DecodeDigitallySigned(&sp, &(sth->signature)) && sp.empty();
}
bool GetBadEmptySignedTreeHead(SignedTreeHead* sth) {
sth->version = SignedTreeHead::V1;
sth->timestamp = base::Time::UnixEpoch() +
base::TimeDelta::FromMilliseconds(INT64_C(1450870952897));
sth->tree_size = 0;
memset(sth->sha256_root_hash, 'f', kSthRootHashLength);
std::string tree_head_signature = HexToBytes(
"04030046304402207cab04c62dee5d1cbc95fec30cd8417313f71587b75f133ad2e6f324"
"74f164d702205e2f3a9bce46f87d7e20e951a4e955da3cb502f8717a22fabd7c5d7e1bef"
"46ea");
base::StringPiece sp(tree_head_signature);
return DecodeDigitallySigned(&sp, &(sth->signature)) && sp.empty();
}
std::string GetSampleSTHSHA256RootHash() {
return HexToBytes(kSampleSTHSHA256RootHash);
}
std::string GetSampleSTHTreeHeadSignature() {
return HexToBytes(kSampleSTHTreeHeadSignature);
}
bool GetSampleSTHTreeHeadDecodedSignature(DigitallySigned* signature) {
std::string tree_head_signature = HexToBytes(kSampleSTHTreeHeadSignature);
base::StringPiece sp(tree_head_signature);
return DecodeDigitallySigned(&sp, signature) && sp.empty();
}
std::string GetSampleSTHAsJson() {
return CreateSignedTreeHeadJsonString(kSampleSTHTreeSize, kSampleSTHTimestamp,
GetSampleSTHSHA256RootHash(),
GetSampleSTHTreeHeadSignature());
}
std::string CreateSignedTreeHeadJsonString(size_t tree_size,
int64_t timestamp,
std::string sha256_root_hash,
std::string tree_head_signature) {
std::string sth_json =
std::string("{\"tree_size\":") + base::SizeTToString(tree_size) +
std::string(",\"timestamp\":") + base::Int64ToString(timestamp);
if (!sha256_root_hash.empty()) {
std::string root_hash_b64;
base::Base64Encode(sha256_root_hash, &root_hash_b64);
sth_json += base::StringPrintf(",\"sha256_root_hash\":\"%s\"",
root_hash_b64.c_str());
}
if (!tree_head_signature.empty()) {
std::string tree_head_signature_b64;
base::Base64Encode(tree_head_signature, &tree_head_signature_b64);
sth_json += base::StringPrintf(",\"tree_head_signature\":\"%s\"",
tree_head_signature_b64.c_str());
}
sth_json += "}";
return sth_json;
}
std::string CreateConsistencyProofJsonString(
const std::vector<std::string>& raw_nodes) {
std::string consistency_proof_json = std::string("{\"consistency\":[");
for (auto it = raw_nodes.begin(); it != raw_nodes.end(); ++it) {
std::string proof_node_b64;
base::Base64Encode(*it, &proof_node_b64);
consistency_proof_json +=
base::StringPrintf("\"%s\"", proof_node_b64.c_str());
if (it + 1 != raw_nodes.end())
consistency_proof_json += std::string(",");
}
consistency_proof_json += std::string("]}");
return consistency_proof_json;
}
std::string GetSCTListForTesting() {
const std::string sct = ct::GetTestSignedCertificateTimestamp();
std::string sct_list;
ct::EncodeSCTListForTesting(sct, &sct_list);
return sct_list;
}
std::string GetSCTListWithInvalidSCT() {
std::string sct(ct::GetTestSignedCertificateTimestamp());
// Change a byte inside the Log ID part of the SCT so it does not match the
// log used in the tests.
sct[15] = 't';
std::string sct_list;
ct::EncodeSCTListForTesting(sct, &sct_list);
return sct_list;
}
bool CheckForSingleVerifiedSCTInResult(const ct::CTVerifyResult& result,
const std::string& log_description) {
return (result.verified_scts.size() == 1U) && result.invalid_scts.empty() &&
result.unknown_logs_scts.empty() &&
result.verified_scts[0]->log_description == log_description;
}
bool CheckForSCTOrigin(const ct::CTVerifyResult& result,
ct::SignedCertificateTimestamp::Origin origin) {
return (result.verified_scts.size() > 0) &&
(result.verified_scts[0]->origin == origin);
}
} // namespace ct
} // namespace net