blob: bc7208e4642d21603513324d40236fddf4a4207c [file] [log] [blame]
ygorshenin39e36782014-08-29 13:09:511// Copyright 2014 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 "components/ownership/owner_key_util_impl.h"
6
7#include <limits>
8
thestig819adcc82014-09-10 22:24:539#include "base/files/file_util.h"
ygorshenin39e36782014-08-29 13:09:5110#include "base/logging.h"
11#include "crypto/rsa_private_key.h"
12
13namespace ownership {
14
15OwnerKeyUtilImpl::OwnerKeyUtilImpl(const base::FilePath& public_key_file)
16 : public_key_file_(public_key_file) {
17}
18
19OwnerKeyUtilImpl::~OwnerKeyUtilImpl() {
20}
21
22bool OwnerKeyUtilImpl::ImportPublicKey(std::vector<uint8>* output) {
23 // Get the file size (must fit in a 32 bit int for NSS).
24 int64 file_size;
25 if (!base::GetFileSize(public_key_file_, &file_size)) {
26#if defined(OS_CHROMEOS)
27 LOG(ERROR) << "Could not get size of " << public_key_file_.value();
28#endif // defined(OS_CHROMEOS)
29 return false;
30 }
31 if (file_size > static_cast<int64>(std::numeric_limits<int>::max())) {
32 LOG(ERROR) << public_key_file_.value() << "is " << file_size
33 << "bytes!!! Too big!";
34 return false;
35 }
36 int32 safe_file_size = static_cast<int32>(file_size);
37
38 output->resize(safe_file_size);
39
40 if (safe_file_size == 0) {
41 LOG(WARNING) << "Public key file is empty. This seems wrong.";
42 return false;
43 }
44
45 // Get the key data off of disk
46 int data_read =
47 base::ReadFile(public_key_file_,
48 reinterpret_cast<char*>(vector_as_array(output)),
49 safe_file_size);
50 return data_read == safe_file_size;
51}
52
davidben71f35ff2015-04-17 20:54:4853#if defined(USE_NSS_CERTS)
ygorshenin39e36782014-08-29 13:09:5154crypto::RSAPrivateKey* OwnerKeyUtilImpl::FindPrivateKeyInSlot(
55 const std::vector<uint8>& key,
56 PK11SlotInfo* slot) {
57 return crypto::RSAPrivateKey::FindFromPublicKeyInfoInSlot(key, slot);
58}
davidben71f35ff2015-04-17 20:54:4859#endif // defined(USE_NSS_CERTS)
ygorshenin39e36782014-08-29 13:09:5160
61bool OwnerKeyUtilImpl::IsPublicKeyPresent() {
62 return base::PathExists(public_key_file_);
63}
64
65} // namespace ownership