| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "chrome/browser/chromeos/settings/owner_key_util.h" |
| |
| #include <limits> |
| |
| #include "base/file_util.h" |
| #include "base/logging.h" |
| #include "base/path_service.h" |
| #include "base/stl_util.h" |
| #include "chromeos/chromeos_paths.h" |
| #include "crypto/rsa_private_key.h" |
| |
| namespace chromeos { |
| |
| /////////////////////////////////////////////////////////////////////////// |
| // OwnerKeyUtil |
| |
| OwnerKeyUtil* OwnerKeyUtil::Create() { |
| base::FilePath owner_key_path; |
| CHECK(PathService::Get(chromeos::FILE_OWNER_KEY, &owner_key_path)); |
| return new OwnerKeyUtilImpl(owner_key_path); |
| } |
| |
| OwnerKeyUtil::OwnerKeyUtil() {} |
| |
| OwnerKeyUtil::~OwnerKeyUtil() {} |
| |
| /////////////////////////////////////////////////////////////////////////// |
| // OwnerKeyUtilImpl |
| |
| OwnerKeyUtilImpl::OwnerKeyUtilImpl(const base::FilePath& key_file) |
| : key_file_(key_file) {} |
| |
| OwnerKeyUtilImpl::~OwnerKeyUtilImpl() {} |
| |
| bool OwnerKeyUtilImpl::ImportPublicKey(std::vector<uint8>* output) { |
| // Get the file size (must fit in a 32 bit int for NSS). |
| int64 file_size; |
| if (!base::GetFileSize(key_file_, &file_size)) { |
| LOG(ERROR) << "Could not get size of " << key_file_.value(); |
| return false; |
| } |
| if (file_size > static_cast<int64>(std::numeric_limits<int>::max())) { |
| LOG(ERROR) << key_file_.value() << "is " |
| << file_size << "bytes!!! Too big!"; |
| return false; |
| } |
| int32 safe_file_size = static_cast<int32>(file_size); |
| |
| output->resize(safe_file_size); |
| |
| if (safe_file_size == 0) { |
| LOG(WARNING) << "Public key file is empty. This seems wrong."; |
| return false; |
| } |
| |
| // Get the key data off of disk |
| int data_read = base::ReadFile( |
| key_file_, |
| reinterpret_cast<char*>(vector_as_array(output)), |
| safe_file_size); |
| return data_read == safe_file_size; |
| } |
| |
| crypto::RSAPrivateKey* OwnerKeyUtilImpl::FindPrivateKey( |
| const std::vector<uint8>& key) { |
| return crypto::RSAPrivateKey::FindFromPublicKeyInfo(key); |
| } |
| |
| bool OwnerKeyUtilImpl::IsPublicKeyPresent() { |
| return base::PathExists(key_file_); |
| } |
| |
| } // namespace chromeos |