diff --git a/.gitattributes b/.gitattributes
index 9e4215a..fdeec27 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -14,6 +14,8 @@ WiiQt/nandbin.cpp -text
 WiiQt/nandbin.h -text
 WiiQt/nanddump.cpp -text
 WiiQt/nanddump.h -text
+WiiQt/nandspare.cpp -text
+WiiQt/nandspare.h -text
 WiiQt/nusdownloader.cpp -text
 WiiQt/nusdownloader.h -text
 WiiQt/savebanner.cpp -text
diff --git a/WiiQt/nandbin.cpp b/WiiQt/nandbin.cpp
index 14b697b..98260d5 100755
--- a/WiiQt/nandbin.cpp
+++ b/WiiQt/nandbin.cpp
@@ -254,6 +254,56 @@ bool NandBin::InitNand( QIcon dirs, QIcon files )
 	blocks << block;
     }
 
+    //debug shitzz
+    //ecc
+    /*int blNo = 7;
+    for( int b = 0; b < 8; b++ )
+    {
+	qDebug() << "cluster" << b << "of block" << hex << blNo;
+	int clNo = ( blNo * 8 ) + b;
+	for( int i = 0; i < 8; i++ )
+	{
+	    qDebug() << "page" << i << "of cluster" << hex << ( clNo - ( blNo * 8 ) )  << "(" << clNo << ")";
+	    QByteArray whole = GetPage( ( clNo * 8 ) + i, true );
+	    if( whole.size() != 0x840 )
+	    {
+		qDebug() << "wrong size" << hex << whole.size();
+		continue;
+	    }
+	    QByteArray eccR = whole.mid( 0x800, 0x40 );
+	    QByteArray eccC = NandSpare::CalcEcc( whole.left( 0x800 ) );
+
+	    hexdump( eccR );
+	    hexdump( eccC );
+	}
+    }*/
+
+    //this makes correct hmac data for the superblocks
+    /*int blNo = 0xff0;//first superblock
+    //int blNo = 0xffe;//last superblock
+    for( int b = blNo; b < 16 + blNo; b += 2 )
+    {
+	//if( !( b % 2 ) )
+	    //continue;
+	QByteArray clData;
+	for( int c = 0; c < 16; c++ )
+	{
+	    for( int p = 0; p < 8; p++ )
+	    {
+		QByteArray whole = GetPage( ( ( b * 64 ) + ( c * 8 ) + p ), true );
+		clData += whole.left( 0x800 );
+	    }
+	}
+	qDebug() << "hmac:";
+	QByteArray hmR = spare.Get_hmac_meta( clData, ( b * 8 ) );
+	hexdump( hmR );
+    }*/
+    //GetFile( 369 );
+
+
+
+
+
     if( !bootBlocks.SetBlocks( blocks ) )
 	return false;
 
@@ -292,6 +342,7 @@ quint8 NandBin::Boot1Version()
 
 bool NandBin::GetKey( int type )
 {
+    QByteArray hmacKey;
     switch( type )
     {
     case 0:
@@ -307,9 +358,12 @@ bool NandBin::GetKey( int type )
 	    keyPath.resize( sl + 1 );
 	    keyPath += "keys.bin";
 
-	    key = ReadKeyfile( keyPath );
+	    key = ReadKeyfile( keyPath, 0 );
 	    if( key.isEmpty() )
 		return false;
+	    hmacKey = ReadKeyfile( keyPath, 1 );
+	    if( hmacKey.isEmpty() )
+		return false;
 	}
 	break;
     case 2:
@@ -319,6 +373,9 @@ bool NandBin::GetKey( int type )
 		emit SendError( tr( "Tried to read keys from unopened file" ) );
 		return false;
 	    }
+	    f.seek( 0x21000144 );
+	    hmacKey = f.read( 20 );
+
 	    f.seek( 0x21000158 );
 	    key = f.read( 16 );
 	}
@@ -328,10 +385,12 @@ bool NandBin::GetKey( int type )
 	return false;
 	break;
     }
+    spare.SetHMacKey( hmacKey );//set the hmac key for calculating spare data
+    //hexdump( hmacKey );
     return true;
 }
 
-QByteArray NandBin::ReadKeyfile( QString path )
+QByteArray NandBin::ReadKeyfile( QString path, quint8 type )
 {
     QByteArray retval;
     QFile f( path );
@@ -340,14 +399,22 @@ QByteArray NandBin::ReadKeyfile( QString path )
 	emit SendError( tr( "Can't open %1!" ).arg( path ) );
 	return retval;
     }
-    if( f.size() < 0x16e )
+    if( f.size() < 0x400 )
     {
 	f.close();
 	emit SendError( tr( "keys.bin is too small!" ) );
 	return retval;
     }
-    f.seek( 0x158 );
-    retval = f.read( 16 );
+    if( type == 0 )
+    {
+	f.seek( 0x158 );
+	retval = f.read( 16 );
+    }
+    else if( type == 1 )
+    {
+	f.seek( 0x144 );
+	retval = f.read( 20 );
+    }
     f.close();
 
     return retval;
@@ -388,7 +455,7 @@ qint32 NandBin::FindSuperblock()
 
 	f.seek( n_len[ type ] - 4 );
     }
-    return -1;
+    return -1;//hmmmm what happens if the last supercluster is the latest one? seems like a bug to fix at a later date...
 }
 
 fst_t NandBin::GetFST( quint16 entry )
@@ -422,7 +489,7 @@ fst_t NandBin::GetFST( quint16 entry )
     f.read( (char*)&fst.attr, 1 );
     f.read( (char*)&fst.sub, 2 );
     f.read( (char*)&fst.sib, 2 );
-    if( type && ( entry + 1 ) % 64 == 0 )//bug in other nand.bin extracterizers.  the entry for every 64th fst item is inturrupeted by some ecc shit
+    if( type && ( entry + 1 ) % 64 == 0 )//bug in other nand.bin extracterizers.  the entry for every 64th fst item is inturrupeted by some spare shit
     {
 	f.read( (char*)&fst.size, 2 );
 	f.seek( f.pos() + 0x40 );
@@ -440,6 +507,7 @@ fst_t NandBin::GetFST( quint16 entry )
     fst.uid = qFromBigEndian( fst.uid );
     fst.gid = qFromBigEndian( fst.gid );
     fst.x3 = qFromBigEndian( fst.x3 );
+    fst.fst_pos = entry;
 
     fst.mode &= 1;
     return fst;
@@ -473,6 +541,21 @@ quint16 NandBin::GetFAT( quint16 fat_entry )
     return ret;
 }
 
+QByteArray NandBin::GetPage( quint32 pageNo, bool withEcc )
+{
+    //qDebug() << "NandBin::GetPage( " << hex << pageNo << ", " << withEcc << " )";
+    quint32 n_pagelen[] = { 0x800, 0x840, 0x840 };
+
+    if( f.size() < ( pageNo + 1 ) * n_pagelen[ type ] )
+    {
+	emit SendError( tr( "Tried to read page past size of nand.bin" ) );
+	return QByteArray();
+    }
+    f.seek( pageNo * n_pagelen[ type ] );	//seek to the beginning of the page to read
+    QByteArray page = f.read( ( type && withEcc ) ? n_pagelen[ type ] : 0x800 );
+    return page;
+}
+
 QByteArray NandBin::GetCluster( quint16 cluster_entry, bool decrypt )
 {
     //qDebug() << "NandBin::GetCluster" << hex << cluster_entry;
@@ -492,7 +575,9 @@ QByteArray NandBin::GetCluster( quint16 cluster_entry, bool decrypt )
 	f.seek( ( cluster_entry * n_clusterlen[ type ] ) + ( i * n_pagelen[ type ] ) );	//seek to the beginning of the page to read
 	//QByteArray page = f.read( n_pagelen[ type ] );					//read the page, with ecc
 	QByteArray page = f.read( 0x800 );						//read the page, skip the ecc
+	//hexdump( page.mid( 0x800, 0x40 ) );//just here for debugging purposes
 
+	//cluster += page.left( 0x800 );
 	cluster += page;
     }
     if( cluster.size() != 0x4000 )
@@ -520,25 +605,31 @@ QByteArray NandBin::GetFile( quint16 entry )
     return GetFile( fst );
 }
 
-QByteArray NandBin::GetFile( fst_t fst )
+QByteArray NandBin::GetFile( fst_t fst_ )
 {
-    if( !fst.size )
+    qDebug() << "NandBin::GetFile" << (const char*)fst_.filename;
+    if( !fst_.size )
 	return QByteArray();
 
-    quint16 fat = fst.sub;
+    quint16 fat = fst_.sub;
     //int cluster_span = (int)( fst.size / 0x4000) + 1;
 
     QByteArray data;
 
+    //int idx = 0;
     for (int i = 0; fat < 0xFFF0; i++)
     {
 	QByteArray cluster = GetCluster( fat );
 	if( cluster.size() != 0x4000 )
 	    return QByteArray();
 
+	//debug shit...  am i creating correct hmac data?
+	//WriteDecryptedCluster( 0, cluster, fst_, idx++ );
+
 	data += cluster;
 	fat = GetFAT( fat );
     }
+
     //this check doesnt really seem to matter, it always appears to be 1 extra cluster added to the end
     //of the file and that extra bit is dropped in this function before the data is returned.
     /*if( data.size() != cluster_span * 0x4000 )
@@ -551,18 +642,18 @@ QByteArray NandBin::GetFile( fst_t fst )
 
 	emit SendError( tr( "Error reading file [ block size is not a as expected ] %1" ).arg( FstName( fst ) ) );
     }*/
-    if( (quint32)data.size() < fst.size )
+    if( (quint32)data.size() < fst_.size )
     {
 	qDebug() << "(quint32)data.size() < fst.size :: "
 		<< hex << data.size()
-		<< "expected size:" << hex << fst.size;
+		<< "expected size:" << hex << fst_.size;
 
 	emit SendError( tr( "Error reading file [ returned data size is less that the size in the fst ]" ) );
 	return QByteArray();
     }
 
-    if( (quint32)data.size() > fst.size )
-	data.resize( fst.size );//dont need to give back all the data, only up to the expected size
+    if( (quint32)data.size() > fst_.size )
+	data.resize( fst_.size );//dont need to give back all the data, only up to the expected size
 
     return data;
 }
@@ -694,6 +785,79 @@ void NandBin::ShowInfo()
 	     << "\nreserved:" << hex << reserved;
 }
 
+bool NandBin::WriteCluster( quint32 pageNo, const QByteArray data, const QByteArray hmac )
+{
+    if( data.size() != 0x4000 )
+    {
+	qWarning() << "NandBin::WriteCluster -> size:" << hex << data.size();
+	return false;
+    }
+
+    for( int i = 0; i < 8; i++ )
+    {
+	QByteArray spareData( 0x40, '\0' );
+	quint8* sp = (quint8*)spareData.data();
+	QByteArray ecc = spare.CalcEcc( data.mid( i * 0x800, 0x800 ) );
+	memcpy( sp + 0x30, ecc.data(), 0x14 );
+	sp[ 0 ] = 0xff; // good block
+	if( !hmac.isEmpty() )
+	{
+	    if( i == 6 )
+	    {
+		memcpy( (char*)sp + 1, hmac.data(), 20 );
+		memcpy( (char*)sp + 21, hmac.data(), 12 );
+	    }
+	    else if( i == 7 )
+	    {
+		memcpy( (char*)sp + 1, hmac.data() + 12, 8 );
+	    }
+	}
+	if( !WritePage( pageNo + i, data.mid( i * 0x800, 0x800 ) + spareData ) )
+	    return false;
+    }
+    return true;
+}
+
+bool NandBin::WriteDecryptedCluster( quint32 pageNo, const QByteArray data, fst_t fst, quint16 idx )
+{
+    qDebug() << "NandBin::WriteDecryptedCluster";
+    QByteArray hmac = spare.Get_hmac_data( data, fst.uid, (const unsigned char *)&fst.filename, fst.fst_pos, fst.x3, idx );
+
+    hexdump( hmac );
+    return true;
+    /*fs_hmac_data(
+	    buffer,
+	    fp->node->uid,
+	    (const unsigned char *)fp->node->name,
+	    fp->idx,
+	    fp->node->dummy,
+	    fp->cluster_idx,
+	    hmac
+    );*/
+    AesSetKey( key );
+    QByteArray encData = AesEncrypt( 0, data );
+    return WriteCluster( pageNo, encData, hmac );
+}
+
+bool NandBin::WritePage( quint32 pageNo, const QByteArray data )
+{
+    //qDebug() << "NandBin::WritePage(" << hex << pageNo << ")";
+    return true;
+    quint32 n_pagelen[] = { 0x800, 0x840, 0x840 };
+    if( (quint32)data.size() != n_pagelen[ type ] )
+    {
+	qWarning() << "data is wrong size" << hex << data.size();
+	return false;
+    }
+
+    if( f.size() < ( pageNo + 1 ) * n_pagelen[ type ] )
+    {
+	emit SendError( tr( "Tried to write page past size of nand.bin" ) );
+	return false;
+    }
+    f.seek( pageNo * n_pagelen[ type ] );	//seek to the beginning of the page to write
+    return f.write( data );
+}
 
 /*
  structure of blocks 0 - 7
diff --git a/WiiQt/nandbin.h b/WiiQt/nandbin.h
index 37e95fa..951a2d3 100755
--- a/WiiQt/nandbin.h
+++ b/WiiQt/nandbin.h
@@ -3,6 +3,7 @@
 
 #include "includes.h"
 #include "blocks0to7.h"
+#include "nandspare.h"
 struct fst_t
 {
     quint8 filename[ 0xc ];
@@ -14,6 +15,7 @@ struct fst_t
     quint32 uid;
     quint16 gid;
     quint32 x3;
+    quint16 fst_pos;//not really part of the nand structure, but needed when calculating hmac data
 };
 // class to deal with an encrypted wii nand dump
 // basic usage... create an object, set a path, call InitNand.  then you can get the detailed list of entries with GetTree()
@@ -89,6 +91,8 @@ public:
     const QList<Boot2Info> Boot2Infos();
     quint8 Boot1Version();
 
+    QByteArray GetPage( quint32 pageNo, bool withEcc = false );
+
 
 private:
     QByteArray key;
@@ -104,6 +108,8 @@ private:
     QIcon groupIcon;
     QIcon keyIcon;
 
+    NandSpare spare;//used to handle the hmac mumbojumbo
+
     //read all the fst and remember them rather than seeking back and forth in the file all the time
     // uses ~120KiB RAM
     bool fstInited;
@@ -115,7 +121,7 @@ private:
 
     int GetDumpType( quint64 fileSize );
     bool GetKey( int type );
-    QByteArray ReadKeyfile( QString path );
+    QByteArray ReadKeyfile( QString path, quint8 type );//type 0 for nand key, type 1 for hmac
     qint32 FindSuperblock();
     quint16 GetFAT( quint16 fat_entry );
     fst_t GetFST( quint16 entry );
@@ -137,6 +143,10 @@ private:
     //holds info about boot1 & 2
     Blocks0to7 bootBlocks;
 
+    bool WriteCluster( quint32 pageNo, const QByteArray data, const QByteArray hmac );
+    bool WriteDecryptedCluster( quint32 pageNo, const QByteArray data, fst_t fst, quint16 idx );
+    bool WritePage( quint32 pageNo, const QByteArray data );
+
 signals:
     //connect to these to receive messages from this object
     void SendError( QString );
diff --git a/WiiQt/nandspare.cpp b/WiiQt/nandspare.cpp
new file mode 100644
index 0000000..6652427
--- /dev/null
+++ b/WiiQt/nandspare.cpp
@@ -0,0 +1,215 @@
+#include "nandspare.h"
+#include "tools.h"
+
+NandSpare::NandSpare()
+{
+}
+void NandSpare::SetHMacKey( const QByteArray key )
+{
+    hmacKey = key;
+}
+
+quint8 NandSpare::Parity( quint8 x )
+{
+    quint8 y = 0;
+    while( x )
+    {
+	y ^= ( x & 1 );
+	x >>= 1;
+    }
+    return y;
+}
+
+QByteArray NandSpare::CalcEcc( QByteArray in )
+{
+    if( in.size() != 0x800 )
+	return QByteArray();
+
+    quint8 a[ 12 ][ 2 ];
+    quint32 a0, a1;
+    quint8 x;
+
+    QByteArray ret( 16, '\0' );
+    char* ecc = ret.data();
+    char* data = in.data();
+
+    for( int k = 0; k < 4; k++ )
+    {
+	memset( a, 0, sizeof a );
+	for( int i = 0; i < 512; i++ )
+	{
+	    x = data[ i ];
+	    for( int j = 0; j < 9; j++ )
+		a[ 3 + j ][ ( i >> j ) & 1 ] ^= x;
+	}
+
+	x = a[ 3 ][ 0 ] ^ a[ 3 ][ 1 ];
+	a[ 0 ][ 0 ] = x & 0x55;
+	a[ 0 ][ 1 ] = x & 0xaa;
+	a[ 1 ][ 0 ] = x & 0x33;
+	a[ 1 ][ 1 ] = x & 0xcc;
+	a[ 2 ][ 0 ] = x & 0x0f;
+	a[ 2 ][ 1 ] = x & 0xf0;
+
+	for( int j = 0; j < 12; j++ )
+	{
+	    a[ j ][ 0 ] = Parity( a[ j ][ 0 ]);
+	    a[ j ][ 1 ] = Parity( a[ j ][ 1 ]);
+	}
+	a0 = a1 = 0;
+
+	for( int j = 0; j < 12; j++ )
+	{
+	    a0 |= a[ j ][ 0 ] << j;
+	    a1 |= a[ j ][ 1 ] << j;
+	}
+	ecc[ 0 ] = a0;
+	ecc[ 1 ] = a0 >> 8;
+	ecc[ 2 ] = a1;
+	ecc[ 3 ] = a1 >> 8;
+
+	data += 512;
+	ecc += 4;
+    }
+    return ret;
+}
+
+typedef struct{
+	unsigned char key[ 0x40 ];
+	SHA1Context hash_ctx;
+} hmac_ctx;
+
+void wbe32(void *ptr, quint32 val) { *(quint32*)ptr = qFromBigEndian( (quint32)val ); }
+void wbe16(void *ptr, quint16 val) { *(quint16*)ptr = qFromBigEndian( val ); }
+
+// reversing done by gray
+static unsigned char hmac_key[ 20 ];
+
+void hmac_init(hmac_ctx *ctx, const char *key, int key_size)
+{
+    key_size = key_size<0x40 ? key_size: 0x40;
+
+    memset( ctx->key,0,0x40 );
+    memcpy( ctx->key,key,key_size );
+
+    for( int i = 0; i < 0x40; ++i )
+	ctx->key[ i ] ^= 0x36; // ipad
+
+    SHA1Reset( &ctx->hash_ctx );
+    SHA1Input( &ctx->hash_ctx, ctx->key, 0x40 );
+}
+
+void hmac_update( hmac_ctx *ctx, const quint8 *data, int size )
+{
+	SHA1Input( &ctx->hash_ctx,data,size );
+}
+
+void hmac_final( hmac_ctx *ctx, unsigned char *hmac )
+{
+    //int i;
+    unsigned char hash[ 0x14 ];
+    memset( hash, 0, 0x14 );
+
+    SHA1Result(&ctx->hash_ctx);
+
+    // this sha1 implementation is buggy, needs to switch endian
+    for( int i = 0;i < 5;++i )
+    {
+	wbe32( hash + 4 * i, ctx->hash_ctx.Message_Digest[ i ] );
+    }
+    for( int i = 0; i < 0x40; ++i )
+	ctx->key[i] ^= 0x36^0x5c; // opad
+
+    SHA1Reset(&ctx->hash_ctx);
+    SHA1Input(&ctx->hash_ctx,ctx->key,0x40);
+    SHA1Input(&ctx->hash_ctx,hash,0x14);
+    SHA1Result(&ctx->hash_ctx);
+
+    //hexdump(ctx->hash_ctx.Message_Digest, 0x14);
+    for( int i = 0; i < 5; ++i )
+    {
+	wbe32( hash + 4 * i, ctx->hash_ctx.Message_Digest[ i ] );
+    }
+    memcpy( hmac, hash, 0x14 );
+}
+
+void fs_hmac_set_key(const char *key, int key_size)
+{
+    memset( hmac_key, 0, 0x14 );
+    memcpy( hmac_key, key, key_size < 0x14 ? key_size : 0x14 );
+}
+
+void fs_hmac_generic( const unsigned char *data, int size, const unsigned char *extra, int extra_size, unsigned char *hmac )
+{
+    hmac_ctx ctx;
+
+    hmac_init( &ctx,(const char *)hmac_key,0x14 );
+
+    hmac_update( &ctx,extra, extra_size );
+    hmac_update( &ctx,data, size );
+
+    hmac_final( &ctx, hmac );
+}
+
+void fs_hmac_meta( const unsigned char *super_data, short super_blk, unsigned char *hmac )
+{
+    unsigned char extra[ 0x40 ];
+
+    memset( extra,0,0x40 );
+    wbe16( extra + 0x12, super_blk );
+
+    fs_hmac_generic( super_data, 0x40000, extra, 0x40, hmac );
+}
+
+void fs_hmac_data( const unsigned char *data, quint32 uid, const unsigned char *name, quint32 entry_n, quint32 x3, quint16 blk, unsigned char *hmac )
+{
+    //int i,j;
+    unsigned char extra[ 0x40 ];
+    memset( extra, 0, 0x40 );
+
+    wbe32( extra, uid );
+
+    memcpy( extra + 4, name, 12 );
+
+    wbe16( extra + 0x12, blk );
+    wbe32( extra + 0x14, entry_n );
+    wbe32( extra + 0x18, x3 );
+
+//	fprintf(stderr,"extra (%s): \nX ",name);
+//	for(i=0;i<0x20;++i){
+//	    fprintf(stderr,"%02X ",extra[i]);
+//	    if(!((i+1)&0xf)) fprintf(stderr,"\nX ");
+//	}
+    fs_hmac_generic( data, 0x4000, extra, 0x40, hmac );
+}
+
+QByteArray NandSpare::Get_hmac_data( const QByteArray cluster, quint32 uid, const unsigned char *name, quint32 entry_n, quint32 x3, quint16 blk )
+{
+    qDebug() << "NandSpare::Get_hmac_data" << hex << cluster.size() << uid << QString( (const char*)name, 12 ) << entry_n << x3 << blk;
+    if( hmacKey.size() != 0x14 || cluster.size() != 0x4000 )
+	return QByteArray();
+
+    fs_hmac_set_key( hmacKey.data(), 0x14 );
+
+    QByteArray ret( 0x14, '\xba' );
+    fs_hmac_data( (const unsigned char *)cluster.data(), uid, name, entry_n, x3, blk, (unsigned char *)ret.data() );
+
+    return ret;
+}
+
+QByteArray NandSpare::Get_hmac_meta( const QByteArray cluster, quint16 super_blk )
+{
+    //qDebug() << "NandSpare::Get_hmac_meta" << hex << super_blk;
+    if( hmacKey.size() != 0x14 || cluster.size() != 0x40000 )
+    {
+	//qDebug() << "NandSpare::Get_hmac_meta" << hex << hmacKey.size() << cluster.size();
+	return QByteArray();
+    }
+
+    fs_hmac_set_key( hmacKey.data(), 0x14 );
+
+    QByteArray ret( 0x14, '\0' );
+    fs_hmac_meta( (const unsigned char *)cluster.data(), super_blk, (unsigned char *)ret.data() );
+
+    return ret;
+}
diff --git a/WiiQt/nandspare.h b/WiiQt/nandspare.h
new file mode 100644
index 0000000..d2913a0
--- /dev/null
+++ b/WiiQt/nandspare.h
@@ -0,0 +1,206 @@
+#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( 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 )
+
+*/
+/*
+block ff1 cluster 7 page: 6 ( 3fc7e )
+NandBin::GetPage(  3fc7e ,  true  )
+
+00000000  ff1646bd cef67127 e662a4dc 5154ec52  ..F...q'.b..QT.R
+00000010  c844ebb9 fb1646bd cef67127 e662a4dc  .D....F...q'.b..
+00000020  51000000 00000000 00000000 00000000  Q...............
+00000030  00000000 00000000 00000000 00000000  ................
+block ff1 cluster 7 page: 7 ( 3fc7f )
+NandBin::GetPage(  3fc7f ,  true  )
+
+00000000  ff54ec52 c844ebb9 fb000000 0020049e  .T.R.D....... ..
+00000010  00000000 40000000 002004f1 a8000000  ....@.... ......
+00000020  00000000 00000000 00000000 00000000  ................
+00000030  00000000 00000000 00000000 00000000  ................
+
+block ff3 cluster 7 page: 6 ( 3fcfe )
+NandBin::GetPage(  3fcfe ,  true  )
+
+00000000  ff199405 907b607c 4cd691d2 825f2de9  .....{`|L...._-.
+00000010  18185217 38199405 907b607c 4cd691d2  ..R.8....{`|L...
+00000020  82000000 00000000 00000000 00000000  ................
+00000030  00000000 00000000 00000000 00000000  ................
+block ff3 cluster 7 page: 7 ( 3fcff )
+NandBin::GetPage(  3fcff ,  true  )
+
+00000000  ff5f2de9 18185217 38600000 000043dd  ._-...R.8`....C.
+00000010  05cf0bd7 38c882b2 24b67f57 6087c41f  ....8...$..W`...
+00000020  4d000000 00000000 00000000 00000000  M...............
+00000030  00000000 00000000 00000000 00000000  ................
+
+block ff5 cluster 7 page: 6 ( 3fd7e )
+NandBin::GetPage(  3fd7e ,  true  )
+
+00000000  ff1c1964 3e97b995 b864f566 b9fa025d  ...d>....d.f...]
+00000010  4f708e95 cc1c1964 3e97b995 b864f566  Op.....d>....d.f
+00000020  b9000000 00000000 00000000 00000000  ................
+00000030  00000000 00000000 00000000 00000000  ................
+block ff5 cluster 7 page: 7 ( 3fd7f )
+NandBin::GetPage(  3fd7f ,  true  )
+
+00000000  fffa025d 4f708e95 cc2004f8 80b8f3d4  ...]Op... ......
+00000010  b94820bc f631c4c2 40c8e1da 12a29ba9  .H ..1..@.......
+00000020  df000000 00000000 00000000 00000000  ................
+00000030  00000000 00000000 00000000 00000000  ................
+*//*
+block ff7 cluster 7 page: 6 ( 3fdfe )
+NandBin::GetPage(  3fdfe ,  true  )
+
+00000000  ffff8ca6 8f936ad2 d4fb8424 16cd48ef  ......j....$..H.
+00000010  1ee1003f edff8ca6 8f936ad2 d4fb8424  ...?......j....$
+00000020  16000000 00000000 00000000 00000000  ................
+00000030  00000000 00000000 00000000 00000000  ................
+block ff7 cluster 7 page: 7 ( 3fdff )
+NandBin::GetPage(  3fdff ,  true  )
+
+00000000  ffcd48ef 1ee1003f ed000000 1020000d  ..H....?..... ..
+00000010  eb000000 01000000 03000000 022004f7  ............. ..
+00000020  f4000000 00000000 00000000 00000000  ................
+00000030  00000000 00000000 00000000 00000000  ................
+
+block ff9 cluster 7 page: 6 ( 3fe7e )
+NandBin::GetPage(  3fe7e ,  true  )
+
+00000000  ffada309 ba23b5e5 fa37a52d 10d13f10  .....#...7.-..?.
+00000010  72265162 43ada309 ba23b5e5 fa37a52d  r&QbC....#...7.-
+00000020  10000000 00000000 00000000 00000000  ................
+00000030  00000000 00000000 00000000 00000000  ................
+block ff9 cluster 7 page: 7 ( 3fe7f )
+NandBin::GetPage(  3fe7f ,  true  )
+
+00000000  ffd13f10 72265162 432000ae 00000000  ..?.r&QbC ......
+00000010  002004ae 00000000 102004f1 e02000ad  . ....... ... ..
+00000020  c4000000 00000000 00000000 00000000  ................
+00000030  00000000 00000000 00000000 00000000  ................
+
+block ffb cluster 7 page: 6 ( 3fefe )
+NandBin::GetPage(  3fefe ,  true  )
+
+00000000  ff40a82f f3e32161 5f9e91e7 841daf5e  .@./..!a_......^
+00000010  c74678b2 b540a82f f3e32161 5f9e91e7  .Fx..@./..!a_...
+00000020  84000000 00000000 00000000 00000000  ................
+00000030  00000000 00000000 00000000 00000000  ................
+block ffb cluster 7 page: 7 ( 3feff )
+NandBin::GetPage(  3feff ,  true  )
+
+00000000  ff1daf5e c74678b2 b52000ae 0000ed15  ...^.Fx.. ......
+00000010  e892928e 766d0000 00000000 00022001  ....vm........ .
+00000020  da000000 00000000 00000000 00000000  ................
+00000030  00000000 00000000 00000000 00000000  ................
+
+block ffd cluster 7 page: 6 ( 3ff7e )
+NandBin::GetPage(  3ff7e ,  true  )
+
+00000000  ff80ded9 67d7c195 ffd65a8b 907ea776  ....g.....Z..~.v
+00000010  8c56dc33 8280ded9 67d7c195 ffd65a8b  .V.3....g.....Z.
+00000020  90000000 00000000 00000000 00000000  ................
+00000030  00000000 00000000 00000000 00000000  ................
+block ffd cluster 7 page: 7 ( 3ff7f )
+NandBin::GetPage(  3ff7f ,  true  )
+
+00000000  ff7ea776 8c56dc33 82000000 00200091  .~.v.V.3..... ..
+00000010  c0000000 40000000 002004f1 80000000  ....@.... ......
+00000020  00000000 00000000 00000000 00000000  ................
+00000030  00000000 00000000 00000000 00000000  ................
+
+block fff cluster 7 page: 6 ( 3fffe )
+NandBin::GetPage(  3fffe ,  true  )
+
+00000000  ff9570f7 915460fe 3f32d363 9a1ebfa9  ..p..T`.?2.c....
+00000010  74d3e0a4 969570f7 915460fe 3f32d363  t.....p..T`.?2.c
+00000020  9a000000 00000000 00000000 00000000  ................
+00000030  00000000 00000000 00000000 00000000  ................
+block fff cluster 7 page: 7 ( 3ffff )
+NandBin::GetPage(  3ffff ,  true  )
+
+00000000  ff1ebfa9 74d3e0a4 962004f8 80b8f3d4  ....t.... ......
+00000010  b94820bc f631c4c2 40c8e1da 12a29ba9  .H ..1..@.......
+00000020  df000000 00000000 00000000 00000000  ................
+00000030  00000000 00000000 00000000 00000000  ................
+
+ */
diff --git a/nandExtract/nandExtract.pro b/nandExtract/nandExtract.pro
index 00dc94f..89e5f5b 100755
--- a/nandExtract/nandExtract.pro
+++ b/nandExtract/nandExtract.pro
@@ -13,14 +13,16 @@ SOURCES += main.cpp \
     ../WiiQt/aes.c \
     ../WiiQt/sha1.c \
     nandthread.cpp \
-    boot2infodialog.cpp
+    boot2infodialog.cpp \
+    ../WiiQt/nandspare.cpp
 
 HEADERS += nandwindow.h \
     ../WiiQt/tiktmd.h \
     ../WiiQt/nandbin.h \
     ../WiiQt/tools.h \
     nandthread.h \
-    boot2infodialog.h
+    boot2infodialog.h \
+    ../WiiQt/nandspare.h
 
 FORMS += nandwindow.ui \
     boot2infodialog.ui