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81 lines
2.2 KiB
C++
81 lines
2.2 KiB
C++
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// Copyright 2021 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "crypto/unexportable_key.h"
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#include "base/check.h"
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#include "base/functional/bind.h"
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namespace crypto {
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namespace {
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std::unique_ptr<UnexportableKeyProvider> (*g_mock_provider)() = nullptr;
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} // namespace
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UnexportableSigningKey::~UnexportableSigningKey() = default;
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UnexportableKeyProvider::~UnexportableKeyProvider() = default;
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VirtualUnexportableSigningKey::~VirtualUnexportableSigningKey() = default;
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VirtualUnexportableKeyProvider::~VirtualUnexportableKeyProvider() = default;
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bool UnexportableSigningKey::IsHardwareBacked() const {
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return false;
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}
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#if BUILDFLAG(IS_WIN)
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std::unique_ptr<UnexportableKeyProvider> GetUnexportableKeyProviderWin();
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std::unique_ptr<VirtualUnexportableKeyProvider>
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GetVirtualUnexportableKeyProviderWin();
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#elif BUILDFLAG(IS_MAC)
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std::unique_ptr<UnexportableKeyProvider> GetUnexportableKeyProviderMac(
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UnexportableKeyProvider::Config config);
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#endif
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// Implemented in unexportable_key_software_unsecure.cc.
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std::unique_ptr<UnexportableKeyProvider>
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GetUnexportableKeyProviderSoftwareUnsecure();
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std::unique_ptr<UnexportableKeyProvider> GetUnexportableKeyProvider(
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UnexportableKeyProvider::Config config) {
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if (g_mock_provider) {
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return g_mock_provider();
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}
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#if BUILDFLAG(IS_WIN)
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return GetUnexportableKeyProviderWin();
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#elif BUILDFLAG(IS_MAC)
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return GetUnexportableKeyProviderMac(std::move(config));
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#else
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return nullptr;
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#endif
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}
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std::unique_ptr<VirtualUnexportableKeyProvider>
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GetVirtualUnexportableKeyProvider_DO_NOT_USE_METRICS_ONLY() {
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#if BUILDFLAG(IS_WIN)
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return GetVirtualUnexportableKeyProviderWin();
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#else
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return nullptr;
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#endif
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}
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namespace internal {
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bool HasScopedUnexportableKeyProvider() {
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return g_mock_provider != nullptr;
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}
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void SetUnexportableKeyProviderForTesting(
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std::unique_ptr<UnexportableKeyProvider> (*func)()) {
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if (g_mock_provider) {
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// Nesting ScopedMockUnexportableSigningKeyForTesting is not supported.
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CHECK(!func);
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g_mock_provider = nullptr;
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} else {
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g_mock_provider = func;
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}
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}
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} // namespace internal
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} // namespace crypto
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