bltetemplate.bt

typedef struct 
{
  BigEndian();
  unsigned int _;
  LittleEndian();
}BE_uint32_t<read=readBE_uint32_t>;
string readBE_uint32_t (BE_uint32_t& e)
{
  string a;
  SPrintf (a, "%u", e._);
  return a;
}
struct BE_uint8_t
{
  BigEndian();
  unsigned char _;
  LittleEndian();
};

typedef struct
{
  unsigned char _0;
  unsigned char _1;
  unsigned char _2;
  local unsigned int __ = _2 | ((unsigned int)_1 << 8) | ((unsigned int)_0 << 16);
} BE_uint24<read=read_int24, optimize=false, size=3>;

int value_3int24 (BE_uint24& ref)
{
  int _0 = ref._0;
  int _1 = ref._1;
  int _2 = ref._2;
  int combined =  _2 | (_1 << 8) | (_0 << 16);
  if (combined & 0x800000)
  {
    combined = combined | 0xFF000000;
  }
  return combined;
}

string read_int24 (BE_uint24& ref)
{
  string a;
  SPrintf (a, "%i", value_int24 (ref));
  return a;
}
/*
struct blte_header
{
  BE_uint32_t magic;             // 'BLTE';
  BE_uint32_t data_start;        // relative to begin of file 
                                 // (size of this header and the infos)
char unk;
  BE_uint24 chunk_count;
} header;

struct blte_chunk_info
{
  BE_uint32_t in_file_size;
  BE_uint32_t logical_size;      // as in, after decoding
  char decoded_checksum[16];
} info[header.chunk_count.__];
*/
  /*enum encoding_type
  {
    None = 'N',                  // plain copy the data
    Compressed = 'Z',            // zlib deflated: use zlib's inflate
    Frame = 'F',                 // read data and dive into recursively BLT encoded data (?)
    Crypt = 'E',                 // read data and decrypt with Salsa20
  };*/
    
char encoding;
char v8;
char Seed[v8];
local int v9 = v8 + 3;
Assert (v9 <= FileSize());
FSeek (v8 + 2);
char v10; 
Assert (v10 < 0x10);    // 42
local int v11 = v10 + v9 + 1;
Assert (v11 <= FileSize());
FSeek (v8 + 2);
char size;
FSeek (v10 + v9);
char S;
Assert (S == 'S');
FSeek (2);
char key_service_arg[v8];
FSeek (v9);
char IV[size];

local unsigned int v12 = 0; // keyservice.vtable._5();

local char  iv[0x10];
local unsigned int iv_size = size;
local unsigned int field_14 = v11;
local char field_18[0x10];
local unsigned int field_18_size = v12;