mirror of
https://github.com/martravi/wiiqt.git
synced 2024-09-28 17:18:41 +02:00
130 lines
2.8 KiB
C++
130 lines
2.8 KiB
C++
#include "tiktmd.h"
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#include "tools.h"
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#include "aes.h"
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#include <iostream>
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Tmd::Tmd( QByteArray stuff )
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{
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data = stuff;
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p_tmd = NULL;
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if( data.isEmpty() || data.size() < 4 )//maybe 4 is still too low?
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return;
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SetPointer();
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//hexdump( stuff );
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}
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quint64 Tmd::Tid()
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{
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if( !p_tmd )
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return 0;
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return qFromBigEndian( p_tmd->title_id );
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}
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QString Tmd::Cid( quint16 i )
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{
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if( p_tmd && i > qFromBigEndian( p_tmd->num_contents ) )
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return QString();
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return QString( "%1" ).arg( qFromBigEndian( p_tmd->contents[ i ].cid ), 8, 16, QChar( '0' ) );
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}
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QByteArray Tmd::Hash( quint16 i )
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{
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if( p_tmd && i > qFromBigEndian( p_tmd->num_contents ) )
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return QByteArray();
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return QByteArray( (const char*)&p_tmd->contents[ i ].hash, 20 );
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}
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quint64 Tmd::Size( quint16 i )
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{
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if( p_tmd && i > qFromBigEndian( p_tmd->num_contents ) )
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return 0;
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return qFromBigEndian( p_tmd->contents[ i ].size );
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}
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quint16 Tmd::Type( quint16 i )
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{
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if( p_tmd && i > qFromBigEndian( p_tmd->num_contents ) )
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return 0;
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return qFromBigEndian( p_tmd->contents[ i ].type );
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}
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quint32 Tmd::SignedSize()
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{
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return payLoadOffset + sizeof( tmd ) + ( sizeof( tmd_content ) * qFromBigEndian( p_tmd->num_contents ) );
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}
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void Tmd::SetPointer()
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{
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payLoadOffset = 0;
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if( data.startsWith( "\x0\x1\x0\x0" ) )
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payLoadOffset = sizeof( sig_rsa2048 );
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else if( data.startsWith( "\x0\x1\x0\x1" ) )
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payLoadOffset = sizeof( sig_rsa4096 );
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else if( data.startsWith( "\x0\x1\x0\x2" ) )
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payLoadOffset = sizeof( sig_ecdsa );
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p_tmd = (tmd*)((quint8*)data.data() + payLoadOffset);
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}
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Ticket::Ticket( QByteArray stuff )
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{
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data = stuff;
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p_tik = NULL;
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if( data.isEmpty() || data.size() < 4 )//maybe 4 is still too low?
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return;
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SetPointer();
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}
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quint64 Ticket::Tid()
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{
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if( !p_tik )
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return 0;
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return qFromBigEndian( p_tik->titleid );
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}
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QByteArray Ticket::DecryptedKey()
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{
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quint8 iv[ 16 ];
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quint8 keyin[ 16 ];
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quint8 keyout[ 16 ];
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static quint8 commonkey[ 16 ] = COMMON_KEY;
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quint8 *enc_key = (quint8 *)&p_tik->cipher_title_key;
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memcpy( keyin, enc_key, sizeof keyin );
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memset( keyout, 0, sizeof keyout );
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memset( iv, 0, sizeof iv);
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memcpy( iv, &p_tik->titleid, sizeof p_tik->titleid );
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aes_set_key( commonkey );
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aes_decrypt( iv, keyin, keyout, sizeof( keyin ) );
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return QByteArray( (const char*)&keyout, 16 );
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}
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quint32 Ticket::SignedSize()
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{
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return payLoadOffset + sizeof( tik );
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}
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void Ticket::SetPointer()
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{
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payLoadOffset = 0;
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if( data.startsWith( "\x0\x1\x0\x0" ) )
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payLoadOffset = sizeof( sig_rsa2048 );
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else if( data.startsWith( "\x0\x1\x0\x1" ) )
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payLoadOffset = sizeof( sig_rsa4096 );
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else if( data.startsWith( "\x0\x1\x0\x2" ) )
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payLoadOffset = sizeof( sig_ecdsa );
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p_tik = (tik*)((quint8*)data.data() + payLoadOffset);
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}
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