mirror of
https://github.com/martravi/wiiqt.git
synced 2024-11-16 14:19:21 +01:00
85 lines
1.9 KiB
C++
85 lines
1.9 KiB
C++
#ifndef NANDSPARE_H
|
|
#define NANDSPARE_H
|
|
|
|
//some class to handle the ecc & hmac data in the nandBin
|
|
|
|
#include "includes.h"
|
|
#include "sha1.h"
|
|
|
|
|
|
class NandSpare
|
|
{
|
|
public:
|
|
NandSpare();
|
|
void SetHMacKey( const QByteArray &key );
|
|
QByteArray Get_hmac_data( const QByteArray &cluster, quint32 uid, const unsigned char *name, quint32 entry_n, quint32 x3, quint16 blk );
|
|
QByteArray Get_hmac_meta( const QByteArray &cluster, quint16 super_blk );
|
|
|
|
static QByteArray CalcEcc( const QByteArray &in );
|
|
static quint8 Parity( quint8 x );
|
|
private:
|
|
QByteArray hmacKey;
|
|
|
|
};
|
|
|
|
#endif // NANDSPARE_H
|
|
|
|
/*
|
|
spare data...
|
|
|
|
0x40 bytes
|
|
0x30 = hmac
|
|
0x10 = ecc
|
|
|
|
block 0 ( boot1 )
|
|
all hmac is 0xffs
|
|
all ecc is calc'd. after the first 9 pages, it works out to all 0s
|
|
|
|
block 1 ( boot2v2 )
|
|
all hmac is 0xff and then 0s
|
|
|
|
block 2
|
|
same as above until page 2
|
|
starting at page 2, no ecc or hmac is written. its all 0xff
|
|
spare data is only written for pages used, not on a cluster basis
|
|
|
|
block 3 ( bootmii )
|
|
same as block 1
|
|
|
|
block 4
|
|
same as above( hmac starts with 0xff then all 0s. after page2 cluster 2 all ecc works at to 0s as well )
|
|
spare data is written for clusters used, not on a page basis
|
|
|
|
block 5 ( never been used )
|
|
all spare data is 0xffs, nothing is calculated
|
|
|
|
block 6 ( boot2 copy )
|
|
same as block 2
|
|
|
|
block 7
|
|
same as block 1
|
|
|
|
|
|
|
|
super blocks
|
|
|
|
hmac data is only on
|
|
block ff1 cluster 7 page: 6 ( 3fc7e )
|
|
block ff1 cluster 7 page: 7 ( 3fc7f )
|
|
block ff3 cluster 7 page: 6 ( 3fcfe )
|
|
block ff3 cluster 7 page: 7 ( 3fcff )
|
|
block ff5 cluster 7 page: 6 ( 3fd7e )
|
|
block ff5 cluster 7 page: 7 ( 3fd7f )
|
|
block ff7 cluster 7 page: 6 ( 3fdfe )
|
|
block ff7 cluster 7 page: 7 ( 3fdff )
|
|
block ff9 cluster 7 page: 6 ( 3fe7e )
|
|
block ff9 cluster 7 page: 7 ( 3fe7f )
|
|
block ffb cluster 7 page: 6 ( 3fefe )
|
|
block ffb cluster 7 page: 7 ( 3feff )
|
|
block ffd cluster 7 page: 6 ( 3ff7e )
|
|
block ffd cluster 7 page: 7 ( 3ff7f )
|
|
block fff cluster 7 page: 6 ( 3fffe )
|
|
block fff cluster 7 page: 7 ( 3ffff )
|
|
|
|
*/
|