225 lines
7.2 KiB
C++
225 lines
7.2 KiB
C++
/*
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SPDX-FileCopyrightText: 2010 Volker Lanz <vl@fidra.de>
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SPDX-FileCopyrightText: 2012-2018 Andrius Štikonas <andrius@stikonas.eu>
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SPDX-FileCopyrightText: 2015 Chris Campbell <c.j.campbell@ed.ac.uk>
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SPDX-FileCopyrightText: 2015-2016 Teo Mrnjavac <teo@kde.org>
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SPDX-FileCopyrightText: 2016 Chantara Tith <tith.chantara@gmail.com>
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SPDX-FileCopyrightText: 2020 Arnaud Ferraris <arnaud.ferraris@collabora.com>
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SPDX-FileCopyrightText: 2020 Gaël PORTAY <gael.portay@collabora.com>
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SPDX-License-Identifier: GPL-3.0-or-later
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*/
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#ifndef KPMCORE_LUKS_H
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#define KPMCORE_LUKS_H
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#include "util/libpartitionmanagerexport.h"
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#include "fs/filesystem.h"
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#include <QtGlobal>
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class Report;
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class QString;
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class QWidget;
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namespace FS
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{
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/** A LUKS crypto file system.
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@author Andrius Štikonas <andrius@stikonas.eu>
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*/
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class LIBKPMCORE_EXPORT luks : public FileSystem
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{
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public:
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luks(qint64 firstsector, qint64 lastsector, qint64 sectorsused, const QString& label, const QVariantMap& features = {}, FileSystem::Type t = FileSystem::Type::Luks);
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~luks() override;
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enum class KeyLocation {
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unknown,
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dmcrypt,
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keyring
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};
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public:
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void init() override;
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void scan(const QString& deviceNode) override;
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qint64 readUsedCapacity(const QString& deviceNode) const override;
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CommandSupportType supportGetUsed() const override {
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return m_GetUsed;
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}
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CommandSupportType supportGetLabel() const override {
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return m_GetLabel;
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}
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CommandSupportType supportCreate() const override {
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return m_Create;
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}
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CommandSupportType supportGrow() const override {
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if (!m_isCryptOpen)
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return cmdSupportNone;
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if (m_Grow && m_innerFs)
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return m_innerFs->supportGrow();
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return cmdSupportNone;
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}
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CommandSupportType supportGrowOnline() const override {
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if (!m_isCryptOpen)
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return cmdSupportNone;
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if (m_Grow && m_innerFs)
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return m_innerFs->supportGrowOnline();
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return cmdSupportNone;
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}
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CommandSupportType supportShrink() const override {
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if (!m_isCryptOpen)
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return cmdSupportNone;
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if (m_Shrink && m_innerFs)
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return m_innerFs->supportShrink();
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return cmdSupportNone;
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}
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CommandSupportType supportShrinkOnline() const override {
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if (!m_isCryptOpen)
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return cmdSupportNone;
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if (m_Shrink && m_innerFs)
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return m_innerFs->supportShrinkOnline();
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return cmdSupportNone;
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}
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CommandSupportType supportMove() const override {
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if (m_isCryptOpen)
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return cmdSupportNone;
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return m_Move;
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}
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CommandSupportType supportCheck() const override {
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if (!m_isCryptOpen)
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return cmdSupportNone;
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if (m_Check && m_innerFs)
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return m_innerFs->supportCheck();
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return cmdSupportNone;
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}
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CommandSupportType supportCheckOnline() const override {
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if (!m_isCryptOpen)
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return cmdSupportNone;
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if (m_Check && m_innerFs)
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return m_innerFs->supportCheckOnline();
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return cmdSupportNone;
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}
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CommandSupportType supportCopy() const override {
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if (m_isCryptOpen)
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return cmdSupportNone;
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return m_Copy;
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}
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CommandSupportType supportBackup() const override {
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return m_Backup;
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}
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CommandSupportType supportSetLabel() const override {
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if (m_Check && m_innerFs)
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return m_innerFs->supportSetLabel();
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return cmdSupportNone;
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}
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CommandSupportType supportUpdateUUID() const override {
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return m_UpdateUUID;
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}
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CommandSupportType supportGetUUID() const override {
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return m_GetUUID;
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}
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bool check(Report& report, const QString& deviceNode) const override;
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bool create(Report& report, const QString& deviceNode) override;
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SupportTool supportToolName() const override;
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bool supportToolFound() const override;
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QString readUUID(const QString& deviceNode) const override;
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bool updateUUID(Report& report, const QString& deviceNode) const override;
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bool resize(Report& report, const QString& deviceNode, qint64 length) const override;
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bool resizeOnline(Report& report, const QString& deviceNode, const QString& mountPoint, qint64 length) const override;
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QString readLabel(const QString& deviceNode) const override;
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bool writeLabel(Report& report, const QString& deviceNode, const QString& newLabel) override;
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QString mountTitle() const override;
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QString unmountTitle() const override;
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QString cryptOpenTitle() const;
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QString cryptCloseTitle() const;
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void setPassphrase(const QString&);
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QString passphrase() const;
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bool canMount(const QString&, const QString&) const override;
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bool canUnmount(const QString&) const override;
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bool isMounted() const;
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void setMounted(bool mounted);
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bool canCryptOpen(const QString& deviceNode) const;
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bool canCryptClose(const QString& deviceNode) const;
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bool isCryptOpen() const;
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void setCryptOpen(bool cryptOpen);
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bool cryptOpen(QWidget* parent, const QString& deviceNode);
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bool cryptClose(const QString& deviceNode);
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void loadInnerFileSystem(const QString& mapperNode);
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void createInnerFileSystem(Type type);
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bool mount(Report& report, const QString& deviceNode, const QString& mountPoint) override;
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bool unmount(Report& report, const QString& deviceNode) override;
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FileSystem::Type type() const override;
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QString suggestedMapperName(const QString& deviceNode) const;
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void getMapperName(const QString& deviceNode);
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virtual void getLuksInfo(const QString& deviceNode);
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FileSystem* innerFS() const { return m_innerFs; }
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QString outerUuid() const;
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QString mapperName() const { return m_MapperName; }
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QString cipherName() const { return m_CipherName; }
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QString cipherMode() const { return m_CipherMode; }
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QString hashName() const { return m_HashName; }
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qint64 keySize() const { return m_KeySize; }
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qint64 payloadOffset() const { return m_PayloadOffset; }
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static bool canEncryptType(FileSystem::Type type);
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void initLUKS();
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bool testPassphrase(const QString& deviceNode, const QString& passphrase) const;
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protected:
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virtual QString readOuterUUID(const QString& deviceNode) const;
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void setPayloadSize();
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public:
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static CommandSupportType m_GetUsed;
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static CommandSupportType m_GetLabel;
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static CommandSupportType m_Create;
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static CommandSupportType m_Grow;
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static CommandSupportType m_Shrink;
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static CommandSupportType m_Move;
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static CommandSupportType m_Check;
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static CommandSupportType m_Copy;
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static CommandSupportType m_Backup;
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static CommandSupportType m_SetLabel;
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static CommandSupportType m_UpdateUUID;
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static CommandSupportType m_GetUUID;
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protected:
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mutable FileSystem* m_innerFs;
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mutable bool m_isCryptOpen;
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mutable bool m_cryptsetupFound;
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QString m_passphrase;
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bool m_isMounted;
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QString m_MapperName;
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QString m_CipherName;
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QString m_CipherMode;
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QString m_HashName;
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qint64 m_KeySize;
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qint64 m_PayloadOffset;
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qint64 m_PayloadSize;
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QString m_outerUuid;
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luks::KeyLocation m_KeyLocation = KeyLocation::unknown;
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};
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}
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#endif
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