ImHex pattern for the SPPSVC "Physical Store" files used in Windows 7

physical_store_win7.hexpat

#include <std/mem.pat>

u8 hmac_key[0x10] @ 0x0;
u8 hmac_sha[0x14] @ 0x10;

enum blocktype : u32 {
  None = 0,
  Named = 1,
  Attribute = 2,
  Timer = 3,
};

struct ps_w7_block {
   blocktype type;
   u32 flags;
   u32 keyLen; // byte length of key
   u32 valueLen; // byte length of value
   u32 dataLen;
   char16 key[keyLen / 2]; // /2 because utf16
   char16 value[valueLen / 2]; // /2 because utf16
   u8 data[dataLen];
   // padded to 0x4 byte boundaries, this kinda sucks but it works
   u8 pad[while($ % 4 > 0)];
};

struct physical_store_win7 {
   u8 unk_pre_header_bytes[0x8];
   ps_w7_block blocks[while(!std::mem::eof())];
};

physical_store_win7 store @ 0x28;