suyu/src/core/crypto/xts_encryption_layer.h

26 lines
687 B
C
Raw Normal View History

// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#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 decription.
class XTSEncryptionLayer : public EncryptionLayer {
public:
XTSEncryptionLayer(FileSys::VirtualFile base, Key256 key);
size_t Read(u8* data, size_t length, size_t offset) const override;
private:
// Must be mutable as operations modify cipher contexts.
mutable AESCipher<Key256> cipher;
};
} // namespace Core::Crypto