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
|
// Copyright 2021 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 "components/policy/test_support/signature_provider.h"
#include <stdint.h>
#include "base/base64.h"
#include "base/check.h"
#include "base/containers/span.h"
#include "base/hash/sha1.h"
#include "crypto/rsa_private_key.h"
#include "crypto/signature_creator.h"
namespace policy {
namespace {
constexpr char kSigningKey1[] =
"MIIBVQIBADANBgkqhkiG9w0BAQEFAASCAT8wggE7AgEAAkEA2c3KzcPqvnJ5HCk3OZkf1"
"LMO8Ht4dw4FO2U0EmKvpo0zznj4RwUdmKobH1AFWzwZP4CDY2M67MsukE/1Jnbx1QIDAQ"
"ABAkBkKcLZa/75hHVz4PR3tZaw34PATlfxEG6RiRIwXlf/FFlfGIZOSxdW/I1A3XRl0/9"
"nZMuctBSKBrcTRZQWfT/hAiEA9g8xbQbMO6BEH/XCRSsQbPlvj4c9wDtVEzeAzZ/ht9kC"
"IQDiml+/lXS1emqml711jJcYJNYJzdy1lL/ieKogR59oXQIhAK+Pl4xa1U2VxAWpq7r+R"
"vH55wdZT03hB4p2h4gvEzXBAiAkw9kvE0eZPiBZoRrrHIFTOH7FnnHlwBmV2+/2RsiVPQ"
"IhAKqx/4qisivvmoM/xbzUagfoxwsu1A/4mGjhBKiS0BCq";
constexpr char kSigningKey2[] =
"MIIBVAIBADANBgkqhkiG9w0BAQEFAASCAT4wggE6AgEAAkEAmZhreV04M3knCi6wibr49"
"oDesHny1G33PKOX9ko8pcxAiu9ZqsKCj7wNW2PGqnLi81fddACwQtYn5xdhCtzB9wIDAQ"
"ABAkA0z8m0cy8N08xundspoFZWO71WJLgv/peSDBYGI0RzJR1l9Np355EukQUQwRs5XrL"
"3vRQZy2vDqeiR96epkAhRAiEAzJ4DVI8k3pAl7CGv5icqFkJ02viExIwehhIEXBcB6p0C"
"IQDAKmzpoRpBEZRQ9xrTvPOi+Ea8Jnd478BU7CI/LFfgowIgMfLIoVWoDGRnvXKju60Hy"
"xNB70oHLut9cADp64j6QMkCIDrgxN4QbmrhaAAmtiGKE1wrlgCwCIsVamiasSOKAqLhAi"
"EAo/ItVcFtQPod97qG71CY/O4JzOciuU6AMhprs181vfM=";
constexpr char kTestDomain1Signature1[] =
"l+sT5mziei/GbmiP7VtRCCfwpZcg7uKbW2OlnK5B/TTELutjEIAMdHduNBwbO44qOn"
"/5c7YrtkXbBehaaDYFPGI6bGTbDmG9KRxhS+DaB7opgfCQWLi79Gn/jytKLZhRN/VS"
"y+PEbezqMi3d1/xDxlThwWZDNwnhv9ER/Nu/32ZTjzgtqonSn2CQtwXCIILm4FdV/1"
"/BdmZG+Ge4i4FTqYtInir5YFe611KXU/AveGhQGBIAXo4qYg1IqbVrvKBSU9dlI6Sl"
"9TJJLbJ3LGaXuljgFhyMAl3gcy7ftC9MohEmwa+sc7y2mOAgYQ5SSmyAtQwQgAkX9J"
"3+tfxjmoA/dg==";
constexpr char kTestDomain1Signature2[] =
"cO0nQjRptkeefKDw5QpJSQDavHABxUvbR9Wvoa235OG9Whw1RFqq2ye6pKnI3ezW6/"
"7b4ANcpi5a7HV5uF8K7gWyYdxY8NHLeyrbwXxg5j6HAmHmkP1UZcf/dAnWqo7cW8g4"
"DIQOhC43KkveMYJ2HnelwdXt/7zqkbe8/3Yj4nhjAUeARx86Sb8Nzydwkrvqs5Jw/x"
"5LG+BODExrXXcGu/ubDlW4ivJFqfNUPQysqBXSMY2XCHPJDx3eECLGVVN/fFAWWgjM"
"HFObAriAt0b18cc9Nr0mAt4Qq1oDzWcAHCPHE+5dr8Uf46BUrMLJRNRKCY7rrsoIin"
"9Be9gs3W+Aww==";
constexpr char kTestDomain2Signature1[] =
"TzBiigZKwBdr6lyP6tUDsw+Q9wYO1Yepyxm0O4JZ4RID32L27sWzC1/hwC51fRcCvP"
"luEVIW6mH+BFODXMrteUFWfbbG7jgV+Wg+QdzMqgJjxhNKFXPTsZ7/286LAd1vBY/A"
"nGd8Wog6AhzfrgMbLNsH794GD0xIUwRvXUWFNP8pClj5VPgQnJrIA9aZwW8FNGbteA"
"HacFB0T/oqP5s7XT4Qvkj14RLmCgTwEM8Vcpqy5teJaF8yN17wniveddoOQGH6s0HC"
"ocprEccrH5fP/WVAPxCfx4vVYQY5q4CZ4K3f6dTC2FV4IDelM6dugEkvSS02YCzDaO"
"N+Z7IwElzTKg==";
constexpr char kTestDomain2Signature2[] =
"mr+9CCYvR0cTvPwlzkxqlpGYy55gY7cPiIkPAPoql51yHK1tkMTOSFru8Dy/nMt+0o"
"4z7WO60F1wnIBGkQxnTj/DsO6QpCYi7oHqtLmZ2jsLQFlMyvPGUtpJEFvRwjr/TNbh"
"6RqUtz1LQFuJQ848kBrx7nkte1L8SuPDExgx+Q3LtbNj4SuTdvMUBMvEERXiLuwfFL"
"BefGjtsqfWETQVlJTCW7xcqOLedIX8UYgEDBpDOZ23A3GzCShuBsIut5m87R5mODht"
"EUmKNDK1+OMc6SyDpf+r48Wph4Db1bVaKy8fcpSNJOwEgsrmH7/+owKPGcN7I5jYAF"
"Z2PGxHTQ9JNA==";
constexpr char kTestDomain3Signature1[] =
"T0wXC5w3GXyovA09pyOLX7ui/NI603UfbZXYyTbHI7xtzCIaHVPH35Nx4zdqVrdsej"
"ErQ12yVLDDIJokY4Yl+/fj/zrkAPxThI+TNQ+jo0i+al05PuopfpzvCzIXiZBbkbyW"
"3XfedxXP3IPN2XU2/3vX+ZXUNG6pxeETem64kGezkjkUraqnHw3JVzwJYHhpMcwdLP"
"PYK6V23BbEHEVBtQZd/ledXacz7gOzm1zGni4e+vxA2roAdJWyhbjU0dTKNNUsZmMv"
"ryQH9Af1Jw+dqs0RAbhcJXm2i8EUWIgNv6aMn1Z2DzZwKKjXsKgcYSRo8pdYa8RZAo"
"UExd9roA9a5w==";
constexpr char kTestDomain3Signature2[] =
"o5MVSo4bRwIJ/aooGyXpRXsEsWPG8fNA2UTG8hgwnLYhNeJCCnLs/vW2vdp0URE8jn"
"qiG4N8KjbuiGw0rJtO1EygdLfpnMEtqYlFjrOie38sy92l/AwohXj6luYzMWL+FqDu"
"WQeXasjgyY4s9BOLQVDEnEj3pvqhrk/mXvMwUeXGpbxTNbWAd0C8BTZrGOwU/kIXxo"
"vAMGg8L+rQaDwBTEnMsMZcvlrIyqSg5v4BxCWuL3Yd2xvUqZEUWRp1aKetsHRnz5hw"
"H7WK7DzvKepDn06XjPG9lchi448U3HB3PRKtCzfO3nD9YXMKTuqRpKPF8PeK11CWh1"
"DBvBYwi20vbQ==";
std::unique_ptr<crypto::RSAPrivateKey> DecodePrivateKey(
const char* const encoded) {
std::string to_decrypt;
if (!base::Base64Decode(encoded, &to_decrypt))
return nullptr;
return crypto::RSAPrivateKey::CreateFromPrivateKeyInfo(
base::as_bytes(base::make_span(to_decrypt)));
}
bool ExportPublicKeyAsString(const crypto::RSAPrivateKey& private_key,
std::string* public_key) {
std::vector<uint8_t> public_key_vec;
if (!private_key.ExportPublicKey(&public_key_vec))
return false;
public_key->assign(reinterpret_cast<const char*>(public_key_vec.data()),
public_key_vec.size());
return true;
}
std::string Decode64(const std::string& str64) {
std::string result;
CHECK(base::Base64Decode(str64, &result));
return result;
}
void InitSigningKeys(std::vector<SignatureProvider::SigningKey>* signing_keys) {
signing_keys->push_back(SignatureProvider::SigningKey(
DecodePrivateKey(kSigningKey1),
{
{SignatureProvider::kTestDomain1, Decode64(kTestDomain1Signature1)},
{SignatureProvider::kTestDomain2, Decode64(kTestDomain2Signature1)},
{SignatureProvider::kTestDomain3, Decode64(kTestDomain3Signature1)},
}));
signing_keys->push_back(SignatureProvider::SigningKey(
DecodePrivateKey(kSigningKey2),
{
{SignatureProvider::kTestDomain1, Decode64(kTestDomain1Signature2)},
{SignatureProvider::kTestDomain2, Decode64(kTestDomain2Signature2)},
{SignatureProvider::kTestDomain3, Decode64(kTestDomain3Signature2)},
}));
}
} // namespace
constexpr char SignatureProvider::kTestDomain1[];
constexpr char SignatureProvider::kTestDomain2[];
constexpr char SignatureProvider::kTestDomain3[];
SignatureProvider::SigningKey::SigningKey(
std::unique_ptr<crypto::RSAPrivateKey> private_key,
const std::map<std::string, std::string>& signatures)
: private_key_(std::move(private_key)), signatures_(signatures) {
CHECK(private_key_);
CHECK(ExportPublicKeyAsString(*private_key_, &public_key_));
}
SignatureProvider::SigningKey::SigningKey(
SignatureProvider::SigningKey&& signing_key) = default;
SignatureProvider::SigningKey& SignatureProvider::SigningKey::operator=(
SignatureProvider::SigningKey&& signing_key) = default;
SignatureProvider::SigningKey::~SigningKey() = default;
bool SignatureProvider::SigningKey::GetSignatureForDomain(
const std::string& domain,
std::string* signature) const {
auto domain_signature = signatures_.find(domain);
if (domain_signature != signatures_.end()) {
signature->assign(domain_signature->second);
return true;
}
auto wildcard_signature = signatures_.find("*");
if (wildcard_signature != signatures_.end()) {
signature->assign(wildcard_signature->second);
return true;
}
return false;
}
bool SignatureProvider::SigningKey::Sign(const std::string& str,
std::string* signature) const {
std::vector<uint8_t> signature_vec;
std::string sha1 = base::SHA1HashString(str);
if (!crypto::SignatureCreator::Sign(
private_key_.get(), crypto::SignatureCreator::SHA1,
base::as_bytes(base::make_span(sha1)).data(), sha1.size(),
&signature_vec)) {
return false;
}
signature->assign(reinterpret_cast<const char*>(signature_vec.data()),
signature_vec.size());
return true;
}
SignatureProvider::SignatureProvider() {
InitSigningKeys(&signing_keys_);
}
SignatureProvider::SignatureProvider(SignatureProvider&& signature_provider) =
default;
SignatureProvider& SignatureProvider::operator=(
SignatureProvider&& signature_provider) = default;
SignatureProvider::~SignatureProvider() = default;
const SignatureProvider::SigningKey* SignatureProvider::GetKeyByVersion(
int key_version) const {
// |key_version| is 1-based.
if (key_version < 1)
return nullptr;
size_t key_index = static_cast<size_t>(key_version) - 1;
if (key_index >= signing_keys_.size()) {
if (!rotate_keys())
return nullptr;
key_index %= signing_keys_.size();
}
return &signing_keys_[key_index];
}
const SignatureProvider::SigningKey* SignatureProvider::GetCurrentKey() const {
return GetKeyByVersion(current_key_version());
}
} // namespace policy
|
