public byte[] getrifKey(string rifIn, string actIn, string idps)
{
if ((rifIn == null) || (actIn == null))
{
return(null);
}
byte[] o = null;
FileStream stream = File.Open(rifIn, FileMode.Open);
byte[] buffer2 = new byte[0x10];
byte[] buffer3 = new byte[0x10];
byte[] buffer = new byte[0x10];
byte[] buffer5 = new byte[0x10];
stream.Seek(0x40L, SeekOrigin.Begin);
stream.Read(buffer, 0, buffer.Length);
stream.Read(buffer5, 0, buffer5.Length);
stream.Close();
ToolsImpl.aesecbDecrypt(RIFKEY, buffer, 0, buffer2, 0, 0x10);
long num = ConversionUtils.be32(buffer2, 12);
if (num < 0x80L)
{
byte[] src = decryptACTDAT(actIn, idps);
byte[] dest = new byte[0x10];
o = new byte[0x10];
ConversionUtils.arraycopy(src, ((int)num) * 0x10, dest, 0L, 0x10);
ToolsImpl.aesecbDecrypt(dest, buffer5, 0, o, 0, 0x10);
}
return(o);
}
public byte[] getrifKey(String rifIn, String actIn, String idps)
{
if (rifIn == null || actIn == null)
{
return(null);
}
byte[] result = null;
FileStream rifFile = File.Open(rifIn, FileMode.Open);
byte[] rif0x40 = new byte[0x10];
byte[] rif0x50 = new byte[0x10];
byte[] encrif0x40 = new byte[0x10];
byte[] encrif0x50 = new byte[0x10];
rifFile.Seek(0x40, SeekOrigin.Begin);
rifFile.Read(encrif0x40, 0, encrif0x40.Length);
rifFile.Read(encrif0x50, 0, encrif0x50.Length);
rifFile.Close();
ToolsImpl.aesecbDecrypt(RIFKEY, encrif0x40, 0x00, rif0x40, 0, 0x10);
long index = ConversionUtils.be32(rif0x40, 0xC); //
if (index < 0x80)
{
byte[] actDat = decryptACTDAT(actIn, idps);
byte[] datKey = new byte[0x10];
result = new byte[0x10];
ConversionUtils.arraycopy(actDat, (int)index * 16, datKey, 0, 0x10);
ToolsImpl.aesecbDecrypt(datKey, encrif0x50, 0, result, 0, 0x10);
}
return(result);
}
private static byte[] decryptACTDAT(string actIn, string IDPSFile)
{
FileStream stream = File.Open(actIn, FileMode.Open);
byte[] buffer = new byte[0x800];
byte[] o = new byte[buffer.Length];
stream.Seek(0x10L, SeekOrigin.Begin);
stream.Read(buffer, 0, buffer.Length);
stream.Close();
ToolsImpl.aesecbDecrypt(getPerConsoleKey(IDPSFile), buffer, 0, o, 0, buffer.Length);
return(o);
}
private static byte[] decryptACTDAT(String actIn, String IDPSFile)
{
FileStream actFile = File.Open(actIn, FileMode.Open);
byte[] actdat = new byte[0x800];
byte[] result = new byte[actdat.Length];
actFile.Seek(0x10, SeekOrigin.Begin);
actFile.Read(actdat, 0, actdat.Length);
actFile.Close();
byte[] key = getPerConsoleKey(IDPSFile);
ToolsImpl.aesecbDecrypt(key, actdat, 0, result, 0, actdat.Length);
return(result);
}
public byte[] getKey(string rapFile)
{
BinaryReader reader = new BinaryReader(File.OpenRead(rapFile));
byte[] i = reader.ReadBytes(0x10);
reader.Close();
byte[] o = new byte[i.Length];
ToolsImpl.aesecbDecrypt(rapKey, i, 0, o, 0, i.Length);
for (int j = 0; j < 5; j++)
{
int num3;
int index = 0;
while (index < 0x10)
{
num3 = indexTable[index];
o[num3] = (byte)(o[num3] ^ key1[num3]);
index++;
}
index = 15;
while (index > 0)
{
int num4 = indexTable[index];
int num5 = indexTable[index - 1];
o[num4] = (byte)(o[num4] ^ o[num5]);
index--;
}
int num6 = 0;
for (index = 0; index < 0x10; index++)
{
num3 = indexTable[index];
byte num7 = (byte)(o[num3] - num6);
o[num3] = num7;
if ((num6 != 1) || (num7 != 0xff))
{
int num8 = num7 & 0xff;
int num9 = key2[num3] & 0xff;
num6 = (num8 < num9) ? 1 : 0;
}
o[num3] = (byte)(num7 - key2[num3]);
}
}
return(o);
}
public byte[] getKey(String rapFile)
{
BinaryReader raf = new BinaryReader(File.OpenRead(rapFile));
byte[] read = raf.ReadBytes(0x10);
raf.Close();
byte[] intermediate = new byte[read.Length];
ToolsImpl.aesecbDecrypt(rapKey, read, 0, intermediate, 0, read.Length);
for (int loop = 0; loop < 5; loop++)
{
for (int loop2 = 0; loop2 < 0x10; loop2++)
{
int index = indexTable[loop2];
intermediate[index] = (byte)(intermediate[index] ^ key1[index]);
}
for (int loop2 = 0xF; loop2 > 0; loop2--)
{
int index1 = indexTable[loop2];
int index2 = indexTable[loop2 - 1];
intermediate[index1] = (byte)(intermediate[index1] ^ intermediate[index2]);
}
int acum = 0;
for (int loop2 = 0; loop2 < 0x10; loop2++)
{
int index = indexTable[loop2];
byte current = (byte)(intermediate[index] - acum);
intermediate[index] = current;
if (acum != 1 || current != 0xFF)
{
int aux1 = current & 0xFF;
int aux2 = key2[index] & 0xFF;
acum = (aux1 < aux2) ? 1 : 0;
}
current = (byte)(current - key2[index]);
intermediate[index] = current;
}
}
return(intermediate);
}
