mirror of
https://github.com/FIX94/nfs2iso2nfs.git
synced 2024-06-01 08:08:51 +02:00
Enable fakesigning
Patched games run fine now
This commit is contained in:
piratesephiroth
GitHub
parent
8f966731f6
commit
edfe7b9174
113
Program.cs
113
Program.cs
|
|
@ -4,6 +4,7 @@ using System.Collections.Generic;
|
|||
using System.Linq;
|
||||
using System.Text;
|
||||
using System.Threading.Tasks;
|
||||
using System.Runtime.InteropServices;
|
||||
|
||||
namespace nfs2iso2nfs
|
||||
{
|
||||
|
|
@ -16,10 +17,12 @@ namespace nfs2iso2nfs
|
|||
public static bool dec = false;
|
||||
public static bool enc = false;
|
||||
public static bool keepFiles = false;
|
||||
public static bool keepLegit = false;
|
||||
public static string keyFile = "..\\code\\htk.bin";
|
||||
public static string isoFile = "game.iso";
|
||||
public static string wiiKeyFile = "wii_common_key.bin";
|
||||
public static string nfsDir = "";
|
||||
public static string fwFile = "..\\code\\fw.img";
|
||||
|
||||
static void Main(string[] args)
|
||||
{
|
||||
|
|
@ -45,6 +48,8 @@ namespace nfs2iso2nfs
|
|||
}
|
||||
else if (enc)
|
||||
{
|
||||
if (!keepLegit)
|
||||
patchFakeSigning(fwFile);
|
||||
long[] size = manipulateISO(isoFile, "hif_unpack.nfs", false);
|
||||
byte[] header = packNFS("hif_unpack.nfs", "hif_dec.nfs", size);
|
||||
if (!keepFiles)
|
||||
|
|
@ -73,6 +78,9 @@ namespace nfs2iso2nfs
|
|||
case "-keep":
|
||||
keepFiles = true;
|
||||
break;
|
||||
case "-legit":
|
||||
keepLegit = true;
|
||||
break;
|
||||
case "-key":
|
||||
if (i == args.Length)
|
||||
return -1;
|
||||
|
|
@ -97,16 +105,24 @@ namespace nfs2iso2nfs
|
|||
nfsDir = args[i + 1];
|
||||
i++;
|
||||
break;
|
||||
case "-fwimg":
|
||||
if (i == args.Length)
|
||||
return -1;
|
||||
fwFile = args[i + 1];
|
||||
i++;
|
||||
break;
|
||||
case "-help":
|
||||
Console.WriteLine("+++++ NFS2ISO2NFS +++++");
|
||||
Console.WriteLine("+++++ NFS2ISO2NFS v0.4+++++");
|
||||
Console.WriteLine();
|
||||
Console.WriteLine("-dec Decrypt .nfs files to an .iso file.");
|
||||
Console.WriteLine("-enc Encrypt an .íso file to -nfs file.s");
|
||||
Console.WriteLine("-key <file> Location of AES key file. Default: code\\htk.bin.");
|
||||
Console.WriteLine("-wiikey <file> Location of Wii Common key file. Default: wii_common_key.bin.");
|
||||
Console.WriteLine("-iso <file> Location of .iso file. Default: game.iso.");
|
||||
Console.WriteLine("-nfs <file> Location of .nfs files. Default: current Directory.");
|
||||
Console.WriteLine("-enc Encrypt an .iso file to -nfs file(s)");
|
||||
Console.WriteLine("-key <file> Location of AES key file. DEFAULT: code\\htk.bin.");
|
||||
Console.WriteLine("-wiikey <file> Location of Wii Common key file. DEFAULT: wii_common_key.bin.");
|
||||
Console.WriteLine("-iso <file> Location of .iso file. DEFAULT: game.iso.");
|
||||
Console.WriteLine("-nfs <file> Location of .nfs files. DEFAULT: current Directory.");
|
||||
Console.WriteLine("-fwimg <file> Location of fw.img. DEFAULT: code\\fw.img.");
|
||||
Console.WriteLine("-keep Don't delete the files produced in intermediate steps.");
|
||||
Console.WriteLine("-legit Don't patch fw.img to allow fakesigned content");
|
||||
Console.WriteLine("-help Print this text.");
|
||||
return -1;
|
||||
default:
|
||||
|
|
@ -122,7 +138,8 @@ namespace nfs2iso2nfs
|
|||
wiiKeyFile = dir + "\\" + wiiKeyFile;
|
||||
if (!Path.IsPathRooted(nfsDir))
|
||||
nfsDir = dir + "\\" + nfsDir;
|
||||
|
||||
if (!Path.IsPathRooted(fwFile))
|
||||
fwFile = dir + "\\" + fwFile;
|
||||
|
||||
if (dec || ((!dec && !enc) && File.Exists(nfsDir + "\\hif_000000.nfs")))
|
||||
{
|
||||
|
|
@ -150,6 +167,11 @@ namespace nfs2iso2nfs
|
|||
Console.WriteLine(".iso file not found! Exiting...");
|
||||
return -1;
|
||||
}
|
||||
if (!dec && enc && !File.Exists(fwFile))
|
||||
{
|
||||
Console.WriteLine("fw.img not found! Exiting...");
|
||||
return -1;
|
||||
}
|
||||
else if (((dec && enc) || (!dec && !enc)) && File.Exists(isoFile))
|
||||
{
|
||||
Console.WriteLine("You haven't specified if you want to use nfs2iso or iso2nfs");
|
||||
|
|
@ -333,8 +355,8 @@ namespace nfs2iso2nfs
|
|||
partitionOffsets = sort(partitionOffsets, partitionOffsets.Length);
|
||||
sizeInfo[0] = partitionOffsets[0];
|
||||
byte[] IV = new byte[0x10];
|
||||
byte[] decHashBlock = new byte[0x400];
|
||||
byte[] encHashBlock = new byte[0x400];
|
||||
byte[] decHashTable = new byte[0x400];
|
||||
byte[] encHashTable = new byte[0x400];
|
||||
int timer = 0;
|
||||
int l = 0;
|
||||
for (int i = 0; i < partitionOffsets.Length; i++)
|
||||
|
|
@ -375,17 +397,17 @@ namespace nfs2iso2nfs
|
|||
// NFS to ISO
|
||||
if (enc)
|
||||
{
|
||||
Array.Clear(IV, 0, 0x10); // clear IV for encrypting hash block
|
||||
decHashBlock = er.ReadBytes(0x400); // read raw hash table from nfs
|
||||
encHashBlock = aes_128_cbc(titlekey, IV, decHashBlock, true); // encrypt table
|
||||
ew.Write(encHashBlock); // write encrypted hash table to iso
|
||||
Array.Clear(IV, 0, 0x10); // clear IV for encrypting hash table
|
||||
decHashTable = er.ReadBytes(0x400); // read raw hash table from nfs
|
||||
encHashTable = aes_128_cbc(titlekey, IV, decHashTable, true); // encrypt table
|
||||
ew.Write(encHashTable); // write encrypted hash table to iso
|
||||
|
||||
//quit the loop if already at the end of input file or beyond (avoid the crash)
|
||||
if (er.BaseStream.Position >= er.BaseStream.Length)
|
||||
{
|
||||
break;
|
||||
}
|
||||
Array.Copy(encHashBlock, 0x3D0, IV, 0, 0x10); // get IV for encrypting the rest
|
||||
Array.Copy(encHashTable, 0x3D0, IV, 0, 0x10); // get IV for encrypting the rest
|
||||
Sector = er.ReadBytes(SECTOR_SIZE - 0x400);
|
||||
Sector = aes_128_cbc(titlekey, IV, Sector, enc); // encrypt the remaining bytes
|
||||
}
|
||||
|
|
@ -394,9 +416,9 @@ namespace nfs2iso2nfs
|
|||
else
|
||||
{
|
||||
Array.Clear(IV, 0, 0x10); // clear IV for decrypting hash table
|
||||
encHashBlock = er.ReadBytes(0x400); // read encrypted hash table from iso
|
||||
decHashBlock = aes_128_cbc(titlekey, IV, encHashBlock, false); // decrypt block
|
||||
ew.Write(decHashBlock); // write decrypted hash table to nfs
|
||||
encHashTable = er.ReadBytes(0x400); // read encrypted hash table from iso
|
||||
decHashTable = aes_128_cbc(titlekey, IV, encHashTable, false); // decrypt table
|
||||
ew.Write(decHashTable); // write decrypted hash table to nfs
|
||||
|
||||
|
||||
//quit the loop if already at the end of input file or beyond (avoid the crash)
|
||||
|
|
@ -404,7 +426,7 @@ namespace nfs2iso2nfs
|
|||
{
|
||||
break;
|
||||
}
|
||||
Array.Copy(encHashBlock, 0x3D0, IV, 0, 0x10); // IV for decrypting the remaining data
|
||||
Array.Copy(encHashTable, 0x3D0, IV, 0, 0x10); // IV for decrypting the remaining data
|
||||
Sector = er.ReadBytes(SECTOR_SIZE - 0x400);
|
||||
Sector = aes_128_cbc(titlekey, IV, Sector, false); // decrypt the remaining bytes
|
||||
}
|
||||
|
|
@ -766,5 +788,60 @@ namespace nfs2iso2nfs
|
|||
}
|
||||
return list;
|
||||
}
|
||||
|
||||
|
||||
[DllImport("msvcrt.dll", CallingConvention = CallingConvention.Cdecl)]
|
||||
static extern int memcmp(byte[] b1, byte[] b2, long count);
|
||||
|
||||
static bool ByteArrayCompare(byte[] b1, byte[] b2)
|
||||
{
|
||||
// Validate buffers are the same length.
|
||||
// This also ensures that the count does not exceed the length of either buffer.
|
||||
return b1.Length == b2.Length && memcmp(b1, b2, b1.Length) == 0;
|
||||
}
|
||||
|
||||
|
||||
public static void patchFakeSigning(string fwFile)
|
||||
{
|
||||
if (File.Exists("fw.img.tmp")) // delete any existent temp file
|
||||
{
|
||||
File.Delete("fw.img.tmp");
|
||||
}
|
||||
File.Copy(fwFile, "fw.img.tmp"); // create new temp file
|
||||
|
||||
using (var in_ios = new BinaryReader(File.OpenRead(fwFile)))
|
||||
using (var out_ios = new BinaryWriter(File.OpenWrite(Directory.GetCurrentDirectory() + "\\fw.img.tmp")))
|
||||
{
|
||||
Console.WriteLine();
|
||||
Console.WriteLine("Patching fw.img to enable fakesigning...");
|
||||
int patchCount = 0;
|
||||
|
||||
byte[] buff = new byte[4];
|
||||
byte[] oldHashCheck = { 0x20, 0x07, 0x23, 0xA2 };
|
||||
byte[] newHashCheck = { 0x20, 0x07, 0x4B, 0x0B };
|
||||
|
||||
for (int offset = 0; offset < in_ios.BaseStream.Length - 4; offset++)
|
||||
{
|
||||
in_ios.BaseStream.Position = offset; // set position to advance byte by byte
|
||||
buff = in_ios.ReadBytes(4); // because we read 4 bytes at once
|
||||
if (ByteArrayCompare(buff, oldHashCheck) || ByteArrayCompare(buff, newHashCheck)) // see if it matches one of the patterns
|
||||
{
|
||||
out_ios.Seek(offset + 1, SeekOrigin.Begin); // if it does, advance on byte further in
|
||||
out_ios.Write((byte)0x00); // the output and write a zero
|
||||
patchCount++;
|
||||
}
|
||||
|
||||
}
|
||||
if (patchCount == 0)
|
||||
Console.WriteLine("Nothing to patch");
|
||||
else
|
||||
Console.WriteLine("Patching fakesigning finished... (Patches applied: {0})", patchCount);
|
||||
}
|
||||
File.Delete(fwFile); // delete original fw.img
|
||||
File.Copy("fw.img.tmp", fwFile); // replace with patched temp file
|
||||
File.Delete("fw.img.tmp"); // delete temp file
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user