VeraCrypt
aboutsummaryrefslogtreecommitdiff
path: root/src/Volume/VolumeLayout.h
diff options
context:
space:
mode:
authorMounir IDRASSI <mounir.idrassi@idrix.fr>2014-05-31 16:44:53 (GMT)
committerMounir IDRASSI <mounir.idrassi@idrix.fr>2014-11-08 22:18:59 (GMT)
commit7ffce028d04a6b13ef762e2b89c34b688e8ca59d (patch)
treeeefedb6e94de5b26fa963675969490c641c29077 /src/Volume/VolumeLayout.h
parent97011f179cfd3dcd12446ef4ccb6964c8e52c3db (diff)
downloadVeraCrypt-7ffce028d04a6b13ef762e2b89c34b688e8ca59d.zip
VeraCrypt-7ffce028d04a6b13ef762e2b89c34b688e8ca59d.tar.gz
Add TrueCrypt 7.1a MacOSX/Linux specific source files.
Diffstat (limited to 'src/Volume/VolumeLayout.h')
-rw-r--r--src/Volume/VolumeLayout.h153
1 files changed, 153 insertions, 0 deletions
diff --git a/src/Volume/VolumeLayout.h b/src/Volume/VolumeLayout.h
new file mode 100644
index 0000000..d214742
--- /dev/null
+++ b/src/Volume/VolumeLayout.h
@@ -0,0 +1,153 @@
+/*
+ Copyright (c) 2008 TrueCrypt Developers Association. All rights reserved.
+
+ Governed by the TrueCrypt License 3.0 the full text of which is contained in
+ the file License.txt included in TrueCrypt binary and source code distribution
+ packages.
+*/
+
+#ifndef TC_HEADER_Volume_VolumeLayout
+#define TC_HEADER_Volume_VolumeLayout
+
+#include "Platform/Platform.h"
+#include "Volume/EncryptionAlgorithm.h"
+#include "Volume/EncryptionMode.h"
+#include "Volume/Pkcs5Kdf.h"
+#include "VolumeHeader.h"
+
+namespace TrueCrypt
+{
+ class VolumeLayout;
+ typedef list < shared_ptr <VolumeLayout> > VolumeLayoutList;
+
+ class VolumeLayout
+ {
+ public:
+ virtual ~VolumeLayout ();
+
+ static VolumeLayoutList GetAvailableLayouts (VolumeType::Enum type = VolumeType::Unknown);
+ virtual int GetBackupHeaderOffset () const { return BackupHeaderOffset; } // Positive value: offset from the start of host, negative: offset from the end
+ virtual uint64 GetDataOffset (uint64 volumeHostSize) const = 0;
+ virtual uint64 GetDataSize (uint64 volumeHostSize) const = 0;
+ virtual shared_ptr <VolumeHeader> GetHeader ();
+ virtual int GetHeaderOffset () const { return HeaderOffset; } // Positive value: offset from the start of host, negative: offset from the end
+ virtual uint32 GetHeaderSize () const { return HeaderSize; }
+ virtual uint64 GetMaxDataSize (uint64 volumeSize) const = 0;
+ virtual EncryptionAlgorithmList GetSupportedEncryptionAlgorithms () const { return SupportedEncryptionAlgorithms; }
+ virtual Pkcs5KdfList GetSupportedKeyDerivationFunctions () const { return Pkcs5Kdf::GetAvailableAlgorithms(); }
+ virtual EncryptionModeList GetSupportedEncryptionModes () const { return SupportedEncryptionModes; }
+ virtual VolumeType::Enum GetType () const { return Type; }
+ virtual bool HasBackupHeader () const = 0;
+ virtual bool HasDriveHeader () const { return false; }
+ virtual void SetHeader (shared_ptr <VolumeHeader> header) { Header = header; }
+
+ protected:
+ VolumeLayout ();
+
+ EncryptionAlgorithmList SupportedEncryptionAlgorithms;
+ EncryptionModeList SupportedEncryptionModes;
+
+ int BackupHeaderOffset;
+ int HeaderOffset;
+ uint32 HeaderSize;
+ VolumeType::Enum Type;
+
+ shared_ptr <VolumeHeader> Header;
+
+ private:
+ VolumeLayout (const VolumeLayout &);
+ VolumeLayout &operator= (const VolumeLayout &);
+ };
+
+
+ class VolumeLayoutV1Normal : public VolumeLayout
+ {
+ public:
+ VolumeLayoutV1Normal ();
+ virtual ~VolumeLayoutV1Normal () { }
+
+ virtual int GetBackupHeaderOffset () const { throw NotApplicable (SRC_POS); }
+ virtual uint64 GetDataOffset (uint64 volumeHostSize) const;
+ virtual uint64 GetDataSize (uint64 volumeHostSize) const;
+ virtual uint64 GetMaxDataSize (uint64 volumeSize) const { throw NotApplicable (SRC_POS); }
+ virtual bool HasBackupHeader () const { return false; }
+
+ private:
+ VolumeLayoutV1Normal (const VolumeLayoutV1Normal &);
+ VolumeLayoutV1Normal &operator= (const VolumeLayoutV1Normal &);
+ };
+
+
+ class VolumeLayoutV1Hidden : public VolumeLayout
+ {
+ public:
+ VolumeLayoutV1Hidden ();
+ virtual ~VolumeLayoutV1Hidden () { }
+
+ virtual int GetBackupHeaderOffset () const { throw NotApplicable (SRC_POS); }
+ virtual uint64 GetDataOffset (uint64 volumeHostSize) const;
+ virtual uint64 GetDataSize (uint64 volumeHostSize) const;
+ virtual uint64 GetMaxDataSize (uint64 volumeSize) const { throw NotApplicable (SRC_POS); }
+ virtual bool HasBackupHeader () const { return false; }
+
+ private:
+ VolumeLayoutV1Hidden (const VolumeLayoutV1Hidden &);
+ VolumeLayoutV1Hidden &operator= (const VolumeLayoutV1Hidden &);
+ };
+
+
+ class VolumeLayoutV2Normal : public VolumeLayout
+ {
+ public:
+ VolumeLayoutV2Normal ();
+ virtual ~VolumeLayoutV2Normal () { }
+
+ virtual uint64 GetDataOffset (uint64 volumeHostSize) const;
+ virtual uint64 GetDataSize (uint64 volumeHostSize) const;
+ virtual uint64 GetMaxDataSize (uint64 volumeSize) const;
+ virtual bool HasBackupHeader () const { return true; }
+
+ private:
+ VolumeLayoutV2Normal (const VolumeLayoutV2Normal &);
+ VolumeLayoutV2Normal &operator= (const VolumeLayoutV2Normal &);
+ };
+
+
+ class VolumeLayoutV2Hidden : public VolumeLayout
+ {
+ public:
+ VolumeLayoutV2Hidden ();
+ virtual ~VolumeLayoutV2Hidden () { }
+
+ virtual uint64 GetDataOffset (uint64 volumeHostSize) const;
+ virtual uint64 GetDataSize (uint64 volumeHostSize) const;
+ virtual uint64 GetMaxDataSize (uint64 volumeSize) const;
+ virtual bool HasBackupHeader () const { return true; }
+
+ private:
+ VolumeLayoutV2Hidden (const VolumeLayoutV2Hidden &);
+ VolumeLayoutV2Hidden &operator= (const VolumeLayoutV2Hidden &);
+ };
+
+
+ class VolumeLayoutSystemEncryption : public VolumeLayout
+ {
+ public:
+ VolumeLayoutSystemEncryption ();
+ virtual ~VolumeLayoutSystemEncryption () { }
+
+ virtual int GetBackupHeaderOffset () const { throw NotApplicable (SRC_POS); }
+ virtual uint64 GetDataOffset (uint64 volumeHostSize) const;
+ virtual uint64 GetDataSize (uint64 volumeHostSize) const;
+ virtual uint64 GetMaxDataSize (uint64 volumeSize) const { throw NotApplicable (SRC_POS); }
+ virtual Pkcs5KdfList GetSupportedKeyDerivationFunctions () const;
+ virtual bool HasBackupHeader () const { return false; }
+ virtual bool HasDriveHeader () const { return true; }
+
+ private:
+ VolumeLayoutSystemEncryption (const VolumeLayoutSystemEncryption &);
+ VolumeLayoutSystemEncryption &operator= (const VolumeLayoutSystemEncryption &);
+ };
+}
+
+#endif // TC_HEADER_Volume_VolumeLayout