зеркало из https://github.com/mozilla/gecko-dev.git
59 строки
1.7 KiB
C++
59 строки
1.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_quota_DummyCipherStrategy_h
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#define mozilla_dom_quota_DummyCipherStrategy_h
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#include <algorithm>
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#include <array>
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#include <cstddef>
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#include <cstdint>
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#include <utility>
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#include "ErrorList.h"
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#include "mozilla/Result.h"
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#include "mozilla/Span.h"
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#include "mozilla/dom/quota/CipherStrategy.h"
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namespace mozilla::dom::quota {
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struct DummyCipherStrategy {
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struct KeyType {};
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static constexpr size_t BlockPrefixLength = 8;
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static constexpr size_t BasicBlockSize = 4;
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static void DummyTransform(Span<const uint8_t> aIn, Span<uint8_t> aOut) {
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std::transform(aIn.cbegin(), aIn.cend(), aOut.begin(),
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[](const uint8_t byte) { return byte ^ 42; });
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}
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static Result<KeyType, nsresult> GenerateKey() { return KeyType{}; }
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nsresult Init(CipherMode aCipherMode, Span<const uint8_t> aKey,
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Span<const uint8_t> aInitialIv = Span<const uint8_t>{}) {
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return NS_OK;
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}
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nsresult Cipher(Span<uint8_t> aIv, Span<const uint8_t> aIn,
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Span<uint8_t> aOut) {
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DummyTransform(aIn, aOut);
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return NS_OK;
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}
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static std::array<uint8_t, BlockPrefixLength> MakeBlockPrefix() {
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return {{42, 43, 44, 45}};
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}
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static Span<const uint8_t> SerializeKey(const KeyType&) { return {}; }
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static Maybe<KeyType> DeserializeKey(const Span<const uint8_t>&) {
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return Some(KeyType{});
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}
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};
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} // namespace mozilla::dom::quota
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#endif
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