| // Copyright 2014 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 "mojo/edk/system/unique_identifier.h" |
| |
| #include <stdint.h> |
| |
| #include <vector> |
| |
| #include "base/strings/string_number_conversions.h" |
| #include "mojo/edk/embedder/platform_support.h" |
| |
| namespace mojo { |
| namespace system { |
| |
| // static |
| UniqueIdentifier UniqueIdentifier::Generate( |
| embedder::PlatformSupport* platform_support) { |
| UniqueIdentifier rv; |
| platform_support->GetCryptoRandomBytes(rv.data_, sizeof(rv.data_)); |
| return rv; |
| } |
| |
| // static |
| UniqueIdentifier UniqueIdentifier::FromString(const std::string& s, |
| bool* success) { |
| UniqueIdentifier rv; |
| std::vector<uint8_t> bytes; |
| if (base::HexStringToBytes(s, &bytes) && bytes.size() == sizeof(rv.data_)) { |
| memcpy(rv.data_, &bytes[0], sizeof(rv.data_)); |
| *success = true; |
| } else { |
| *success = false; |
| } |
| return rv; |
| } |
| |
| std::string UniqueIdentifier::ToString() const { |
| // TODO(vtl): Maybe we should base-64 encode instead? |
| return base::HexEncode(data_, sizeof(data_)); |
| } |
| |
| } // namespace system |
| } // namespace mojo |