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