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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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