AppleChunklist.h

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#ifndef APPLE_CHUNKLIST_H
#define APPLE_CHUNKLIST_H
 
//
// Magic number used to identify chunklist.
//
#define APPLE_CHUNKLIST_MAGIC  0x4C4B4E43              // "CNKL"
 
//
// Supported chunklist versions.
//
#define APPLE_CHUNKLIST_FILE_VERSION_10  0x1
#define APPLE_CHUNKLIST_CHUNK_METHOD_10  0x1
#define APPLE_CHUNKLIST_SIG_METHOD_10    0x1
#define APPLE_CHUNKLIST_CHECKSUM_LENGTH  32
#define APPLE_CHUNKLIST_SIG_LENGTH       256
 
#pragma pack(push, 1)
 
//
// Chunklist chunk.
//
typedef struct APPLE_CHUNKLIST_CHUNK_ {
  UINT32    Length;
  UINT8     Checksum[APPLE_CHUNKLIST_CHECKSUM_LENGTH];
} APPLE_CHUNKLIST_CHUNK;
 
//
// Chunklist signature.
//
typedef struct APPLE_CHUNKLIST_SIG_ {
  UINT8    Signature[APPLE_CHUNKLIST_SIG_LENGTH];
} APPLE_CHUNKLIST_SIG;
 
//
// Chunklist header.
//
typedef struct {
  UINT32    Magic;
  UINT32    Length;
  UINT8     FileVersion;
  UINT8     ChunkMethod;
  UINT8     SigMethod;
  UINT8     Unused;
 
  UINT64    ChunkCount;
  UINT64    ChunkOffset;
  UINT64    SigOffset;
} APPLE_CHUNKLIST_HEADER;
 
#pragma pack(pop)
 
#endif // APPLE_CHUNKLIST_H