yuzu-android/src/core/crypto/xts_encryption_layer.h
2023-03-12 11:33:01 -04:00

25 lines
687 B
C++

// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include "core/crypto/aes_util.h"
#include "core/crypto/encryption_layer.h"
#include "core/crypto/key_manager.h"
namespace Core::Crypto {
// Sits on top of a VirtualFile and provides XTS-mode AES description.
class XTSEncryptionLayer : public EncryptionLayer {
public:
XTSEncryptionLayer(FileSys::VirtualFile base, Key256 key);
std::size_t Read(u8* data, std::size_t length, std::size_t offset) const override;
private:
// Must be mutable as operations modify cipher contexts.
mutable AESCipher<Key256> cipher;
};
} // namespace Core::Crypto