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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "chrome/browser/chromeos/settings/owner_key_util.h" | |
6 | |
7 #include <limits> | |
8 | |
9 #include "base/files/file_util.h" | |
10 #include "base/logging.h" | |
11 #include "base/path_service.h" | |
12 #include "base/stl_util.h" | |
13 #include "base/sys_info.h" | |
14 #include "chromeos/chromeos_paths.h" | |
15 #include "crypto/rsa_private_key.h" | |
16 | |
17 namespace chromeos { | |
18 | |
19 /////////////////////////////////////////////////////////////////////////// | |
20 // PublicKey | |
21 | |
22 PublicKey::PublicKey() { | |
23 } | |
24 | |
25 PublicKey::~PublicKey() { | |
26 } | |
27 | |
28 /////////////////////////////////////////////////////////////////////////// | |
29 // PrivateKey | |
30 | |
31 PrivateKey::PrivateKey(crypto::RSAPrivateKey* key) : key_(key) { | |
32 } | |
33 | |
34 PrivateKey::~PrivateKey() { | |
35 } | |
36 | |
37 /////////////////////////////////////////////////////////////////////////// | |
38 // OwnerKeyUtil | |
39 | |
40 OwnerKeyUtil* OwnerKeyUtil::Create() { | |
41 base::FilePath owner_key_path; | |
42 CHECK(PathService::Get(chromeos::FILE_OWNER_KEY, &owner_key_path)); | |
43 return new OwnerKeyUtilImpl(owner_key_path); | |
44 } | |
45 | |
46 OwnerKeyUtil::OwnerKeyUtil() {} | |
47 | |
48 OwnerKeyUtil::~OwnerKeyUtil() {} | |
49 | |
50 /////////////////////////////////////////////////////////////////////////// | |
51 // OwnerKeyUtilImpl | |
52 | |
53 OwnerKeyUtilImpl::OwnerKeyUtilImpl(const base::FilePath& key_file) | |
54 : key_file_(key_file) {} | |
55 | |
56 OwnerKeyUtilImpl::~OwnerKeyUtilImpl() {} | |
57 | |
58 bool OwnerKeyUtilImpl::ImportPublicKey(std::vector<uint8>* output) { | |
59 // Get the file size (must fit in a 32 bit int for NSS). | |
60 int64 file_size; | |
61 if (!base::GetFileSize(key_file_, &file_size)) { | |
62 LOG_IF(ERROR, base::SysInfo::IsRunningOnChromeOS()) | |
63 << "Could not get size of " << key_file_.value(); | |
64 return false; | |
65 } | |
66 if (file_size > static_cast<int64>(std::numeric_limits<int>::max())) { | |
67 LOG(ERROR) << key_file_.value() << "is " | |
68 << file_size << "bytes!!! Too big!"; | |
69 return false; | |
70 } | |
71 int32 safe_file_size = static_cast<int32>(file_size); | |
72 | |
73 output->resize(safe_file_size); | |
74 | |
75 if (safe_file_size == 0) { | |
76 LOG(WARNING) << "Public key file is empty. This seems wrong."; | |
77 return false; | |
78 } | |
79 | |
80 // Get the key data off of disk | |
81 int data_read = base::ReadFile( | |
82 key_file_, | |
83 reinterpret_cast<char*>(vector_as_array(output)), | |
84 safe_file_size); | |
85 return data_read == safe_file_size; | |
86 } | |
87 | |
88 crypto::RSAPrivateKey* OwnerKeyUtilImpl::FindPrivateKeyInSlot( | |
89 const std::vector<uint8>& key, | |
90 PK11SlotInfo* slot) { | |
91 return crypto::RSAPrivateKey::FindFromPublicKeyInfoInSlot(key, slot); | |
92 } | |
93 | |
94 bool OwnerKeyUtilImpl::IsPublicKeyPresent() { | |
95 return base::PathExists(key_file_); | |
96 } | |
97 | |
98 } // namespace chromeos | |
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