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
|
// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/unexportable_keys/scoped_mock_unexportable_key_provider.h"
#include <memory>
#include <optional>
#include "base/containers/span.h"
#include "components/unexportable_keys/mock_unexportable_key.h"
#include "crypto/unexportable_key.h"
#include "testing/gmock/include/gmock/gmock.h"
namespace unexportable_keys {
namespace {
ScopedMockUnexportableKeyProvider* g_mock_provider = nullptr;
class MockUnexportableKeyProvider : public crypto::UnexportableKeyProvider {
public:
MockUnexportableKeyProvider();
~MockUnexportableKeyProvider() override;
// crypto::UnexportableKeyProvider:
std::optional<crypto::SignatureVerifier::SignatureAlgorithm> SelectAlgorithm(
base::span<const crypto::SignatureVerifier::SignatureAlgorithm>
acceptable_algorithms) override;
std::unique_ptr<crypto::UnexportableSigningKey> GenerateSigningKeySlowly(
base::span<const crypto::SignatureVerifier::SignatureAlgorithm>
acceptable_algorithms) override;
std::unique_ptr<crypto::UnexportableSigningKey> FromWrappedSigningKeySlowly(
base::span<const uint8_t> wrapped_key) override;
bool DeleteSigningKeySlowly(base::span<const uint8_t> wrapped_key) override;
};
MockUnexportableKeyProvider::MockUnexportableKeyProvider() = default;
MockUnexportableKeyProvider::~MockUnexportableKeyProvider() = default;
std::optional<crypto::SignatureVerifier::SignatureAlgorithm>
MockUnexportableKeyProvider::SelectAlgorithm(
base::span<const crypto::SignatureVerifier::SignatureAlgorithm>
acceptable_algorithms) {
if (acceptable_algorithms.empty()) {
return std::nullopt;
}
return acceptable_algorithms.front();
}
std::unique_ptr<crypto::UnexportableSigningKey>
MockUnexportableKeyProvider::GenerateSigningKeySlowly(
base::span<const crypto::SignatureVerifier::SignatureAlgorithm>
acceptable_algorithms) {
return g_mock_provider->GetNextGeneratedKey();
}
std::unique_ptr<crypto::UnexportableSigningKey>
MockUnexportableKeyProvider::FromWrappedSigningKeySlowly(
base::span<const uint8_t> wrapped_key) {
return g_mock_provider->GetNextGeneratedKey();
}
bool MockUnexportableKeyProvider::DeleteSigningKeySlowly(
base::span<const uint8_t> wrapped_key) {
return true;
}
std::unique_ptr<crypto::UnexportableKeyProvider> GetMockKeyProvider() {
return std::make_unique<MockUnexportableKeyProvider>();
}
} // namespace
ScopedMockUnexportableKeyProvider::ScopedMockUnexportableKeyProvider() {
CHECK(!g_mock_provider) << "Nested providers are not allowed";
// Store `this` in a global pointer so that all mock key providers can access
// the `next_generated_keys_` queue.
g_mock_provider = this;
crypto::internal::SetUnexportableKeyProviderForTesting(&GetMockKeyProvider);
}
ScopedMockUnexportableKeyProvider::~ScopedMockUnexportableKeyProvider() {
crypto::internal::SetUnexportableKeyProviderForTesting(nullptr);
g_mock_provider = nullptr;
}
void ScopedMockUnexportableKeyProvider::AddNextGeneratedKey(
std::unique_ptr<crypto::UnexportableSigningKey> key) {
next_generated_keys_.push(std::move(key));
}
std::unique_ptr<crypto::UnexportableSigningKey>
ScopedMockUnexportableKeyProvider::GetNextGeneratedKey() {
std::unique_ptr<crypto::UnexportableSigningKey> next_generated_key;
if (!next_generated_keys_.empty()) {
next_generated_key = std::move(next_generated_keys_.front());
next_generated_keys_.pop();
}
return next_generated_key;
}
} // namespace unexportable_keys
|
