xref: /aosp_15_r20/external/cronet/crypto/apple_keychain_v2.mm (revision 6777b5387eb2ff775bb5750e3f5d96f37fb7352b) 
1// Copyright 2024 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#import <CryptoTokenKit/CryptoTokenKit.h>
6#import <Foundation/Foundation.h>
7
8#include "crypto/apple_keychain_v2.h"
9#include "base/apple/foundation_util.h"
10#include "base/apple/scoped_cftyperef.h"
11#include "base/no_destructor.h"
12
13namespace crypto {
14
15static AppleKeychainV2* g_keychain_instance_override = nullptr;
16
17// static
18AppleKeychainV2& AppleKeychainV2::GetInstance() {
19  if (g_keychain_instance_override) {
20    return *g_keychain_instance_override;
21  }
22  static base::NoDestructor<AppleKeychainV2> k;
23  return *k;
24}
25
26// static
27void AppleKeychainV2::SetInstanceOverride(AppleKeychainV2* AppleKeychainV2) {
28  CHECK(!g_keychain_instance_override);
29  g_keychain_instance_override = AppleKeychainV2;
30}
31
32// static
33void AppleKeychainV2::ClearInstanceOverride() {
34  CHECK(g_keychain_instance_override);
35  g_keychain_instance_override = nullptr;
36}
37
38AppleKeychainV2::AppleKeychainV2() = default;
39AppleKeychainV2::~AppleKeychainV2() = default;
40
41NSArray* AppleKeychainV2::GetTokenIDs() {
42  return [[TKTokenWatcher alloc] init].tokenIDs;
43}
44
45base::apple::ScopedCFTypeRef<SecKeyRef> AppleKeychainV2::KeyCreateRandomKey(
46    CFDictionaryRef params,
47    CFErrorRef* error) {
48  return base::apple::ScopedCFTypeRef<SecKeyRef>(
49      SecKeyCreateRandomKey(params, error));
50}
51
52base::apple::ScopedCFTypeRef<CFDataRef> AppleKeychainV2::KeyCreateSignature(
53    SecKeyRef key,
54    SecKeyAlgorithm algorithm,
55    CFDataRef data,
56    CFErrorRef* error) {
57  return base::apple::ScopedCFTypeRef<CFDataRef>(
58      SecKeyCreateSignature(key, algorithm, data, error));
59}
60
61base::apple::ScopedCFTypeRef<SecKeyRef> AppleKeychainV2::KeyCopyPublicKey(
62    SecKeyRef key) {
63  return base::apple::ScopedCFTypeRef<SecKeyRef>(SecKeyCopyPublicKey(key));
64}
65
66base::apple::ScopedCFTypeRef<CFDataRef>
67AppleKeychainV2::KeyCopyExternalRepresentation(SecKeyRef key,
68                                               CFErrorRef* error) {
69  return base::apple::ScopedCFTypeRef<CFDataRef>(
70      SecKeyCopyExternalRepresentation(key, error));
71}
72
73base::apple::ScopedCFTypeRef<CFDictionaryRef>
74AppleKeychainV2::KeyCopyAttributes(SecKeyRef key) {
75  return base::apple::ScopedCFTypeRef<CFDictionaryRef>(
76      SecKeyCopyAttributes(key));
77}
78
79OSStatus AppleKeychainV2::ItemCopyMatching(
80    CFDictionaryRef query, CFTypeRef* result) {
81  return SecItemCopyMatching(query, result);
82}
83
84OSStatus AppleKeychainV2::ItemDelete(CFDictionaryRef query) {
85  return SecItemDelete(query);
86}
87
88OSStatus AppleKeychainV2::ItemUpdate(CFDictionaryRef query,
89                                     CFDictionaryRef keychain_data) {
90  return SecItemUpdate(query, keychain_data);
91}
92
93#if !BUILDFLAG(IS_IOS)
94base::apple::ScopedCFTypeRef<CFTypeRef>
95AppleKeychainV2::TaskCopyValueForEntitlement(SecTaskRef task,
96                                             CFStringRef entitlement,
97                                             CFErrorRef* error) {
98  return base::apple::ScopedCFTypeRef<CFTypeRef>(
99      SecTaskCopyValueForEntitlement(task, entitlement, error));
100}
101#endif  // !BUILDFLAG(IS_IOS)
102
103BOOL AppleKeychainV2::LAContextCanEvaluatePolicy(LAPolicy policy,
104                                                 NSError** error) {
105  LAContext* context = [[LAContext alloc] init];
106  return [context canEvaluatePolicy:policy error:error];
107}
108
109}  // namespace crypto
110