private void getHashKeys(int hashFlag, byte[] calculatedHash, byte[] hash)
{
uint mode = (uint)hashFlag & 0xF0000000;
switch (mode)
{
case 0x10000000:
ToolsImpl.aescbcDecrypt(EDATKeys.EDATKEY, EDATKeys.EDATIV, hash, 0, calculatedHash, 0, calculatedHash.Length);
Debug.WriteLine("MODE: Encrypted HASHKEY");
break;
case 0x20000000:
ConversionUtils.arraycopy(EDATKeys.EDATHASH, 0, calculatedHash, 0, calculatedHash.Length);
Debug.WriteLine("MODE: Default HASHKEY");
break;
case 0x00000000:
ConversionUtils.arraycopy(hash, 0, calculatedHash, 0, calculatedHash.Length);
Debug.WriteLine("MODE: Unencrypted HASHKEY");
break;
default:
throw new Exception("Hash mode is not valid: Undefined keys calculator");
}
}
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);
}
private void getCryptoKeys(int cryptoFlag, byte[] calculatedKey, byte[] calculatedIV, byte[] key, byte[] iv)
{
switch (((uint)(cryptoFlag & -268435456)))
{
case 0:
ConversionUtils.arraycopy(key, 0, calculatedKey, 0L, calculatedKey.Length);
ConversionUtils.arraycopy(iv, 0, calculatedIV, 0L, calculatedIV.Length);
Debug.WriteLine("MODE: Unencrypted ERK");
break;
case 0x10000000:
ToolsImpl.aescbcDecrypt(EDATKeys.EDATKEY, EDATKeys.EDATIV, key, 0, calculatedKey, 0, calculatedKey.Length);
ConversionUtils.arraycopy(iv, 0, calculatedIV, 0L, calculatedIV.Length);
Debug.WriteLine("MODE: Encrypted ERK");
break;
case 0x20000000:
ConversionUtils.arraycopy(EDATKeys.EDATKEY, 0, calculatedKey, 0L, calculatedKey.Length);
ConversionUtils.arraycopy(EDATKeys.EDATIV, 0, calculatedIV, 0L, calculatedIV.Length);
Debug.WriteLine("MODE: Default ERK");
break;
default:
throw new Exception("Crypto mode is not valid: Undefined keys calculator");
}
}
public override void doUpdate(byte[] i, int inOffset, int len)
{
byte[] data;
if (nonProcessed != null)
{
int totalLen = len + nonProcessed.Length;
data = new byte[totalLen];
ConversionUtils.arraycopy(nonProcessed, 0, data, 0, nonProcessed.Length);
ConversionUtils.arraycopy(i, inOffset, data, nonProcessed.Length, len);
}
else
{
data = new byte[len];
ConversionUtils.arraycopy(i, inOffset, data, 0, len);
}
int count = 0;
while (count < data.Length - 0x10)
{
byte[] aux = new byte[0x10];
ConversionUtils.arraycopy(data, count, aux, 0, aux.Length);
ToolsImpl.XOR(aux, aux, previous);
ToolsImpl.aesecbEncrypt(key, aux, 0, previous, 0, aux.Length);
count += 0x10;
}
nonProcessed = new byte[data.Length - count];
ConversionUtils.arraycopy(data, count, nonProcessed, 0, nonProcessed.Length);
}
public override void doUpdate(byte[] i, int inOffset, int len)
{
byte[] buffer;
if (this.nonProcessed != null)
{
int num = len + this.nonProcessed.Length;
buffer = new byte[num];
ConversionUtils.arraycopy(this.nonProcessed, 0, buffer, 0L, this.nonProcessed.Length);
ConversionUtils.arraycopy(i, inOffset, buffer, (long)this.nonProcessed.Length, len);
}
else
{
buffer = new byte[len];
ConversionUtils.arraycopy(i, inOffset, buffer, 0L, len);
}
int srcPos = 0;
while (srcPos < (buffer.Length - 0x10))
{
byte[] dest = new byte[0x10];
ConversionUtils.arraycopy(buffer, srcPos, dest, 0L, dest.Length);
ToolsImpl.XOR(dest, dest, this.previous);
ToolsImpl.aesecbEncrypt(this.key, dest, 0, this.previous, 0, dest.Length);
srcPos += 0x10;
}
this.nonProcessed = new byte[buffer.Length - srcPos];
ConversionUtils.arraycopy(buffer, srcPos, this.nonProcessed, 0L, this.nonProcessed.Length);
}
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[] getPerConsoleKey(String IDPSFile)
{
FileStream raf = File.Open(IDPSFile, FileMode.Open);
byte[] idps = new byte[0x10];
raf.Read(idps, 0, idps.Length);
raf.Close();
byte[] result = new byte[0x10];
ToolsImpl.aesecbEncrypt(idps, ACTDAT_KEY, 0, result, 0, ACTDAT_KEY.Length);
return(result);
}
private static byte[] getPerConsoleKey(string IDPSFile)
{
FileStream stream = File.Open(IDPSFile, FileMode.Open);
byte[] buffer = new byte[0x10];
stream.Read(buffer, 0, buffer.Length);
stream.Close();
byte[] o = new byte[0x10];
ToolsImpl.aesecbEncrypt(buffer, ACTDAT_KEY, 0, o, 0, ACTDAT_KEY.Length);
return(o);
}
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 byte[] createNPDHash2(byte[] klicensee, byte[] npd)
{
byte[] output = new byte[0x10];
ToolsImpl.XOR(output, klicensee, EDATKeys.npdrm_omac_key2);
byte[] src = ToolsImpl.CMAC128(output, npd, 0, 0x60);
ConversionUtils.arraycopy(src, 0, npd, 0x60L, 0x10);
if (this.compareBytes(src, 0, npd, 0x60, 0x10))
{
return(src);
}
return(null);
}
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);
}
private bool checkNPDHash2(byte[] klicensee, byte[] npd)
{
byte[] output = new byte[0x10];
ToolsImpl.XOR(output, klicensee, EDATKeys.npdrm_omac_key2);
byte[] buffer2 = ToolsImpl.CMAC128(output, npd, 0, 0x60);
bool flag = this.compareBytes(buffer2, 0, npd, 0x60, 0x10);
if (flag)
{
Console.WriteLine("NPD hash 2 is valid (" + ConversionUtils.getHexString(buffer2) + ")");
}
return(flag);
}
private bool checkNPDHash2(byte[] klicensee, byte[] npd)
{
byte[] xoredKey = new byte[0x10];
ToolsImpl.XOR(xoredKey, klicensee, EDATKeys.npdrm_omac_key2);
byte[] calculated = ToolsImpl.CMAC128(xoredKey, npd, 0, 0x60);
bool result2 = compareBytes(calculated, 0, npd, 0x60, 0x10);
if (result2)
{
Console.WriteLine("NPD hash 2 is valid (" + ConversionUtils.getHexString(calculated) + ")");
}
return(result2);
}
private byte[] createNPDHash2(byte[] klicensee, byte[] npd)
{
byte[] xoredKey = new byte[0x10];
ToolsImpl.XOR(xoredKey, klicensee, EDATKeys.npdrm_omac_key2);
byte[] calculated = ToolsImpl.CMAC128(xoredKey, npd, 0, 0x60);
ConversionUtils.arraycopy(calculated, 0, npd, 0x60, 0x10);
bool result2 = compareBytes(calculated, 0, npd, 0x60, 0x10);
if (result2)
{
return(calculated);
}
return(null);
}
private byte[] createNPDHash1(string filename, byte[] npd)
{
byte[] src = ConversionUtils.charsToByte(filename.ToCharArray());
byte[] dest = new byte[0x30 + src.Length];
ConversionUtils.arraycopy(npd, 0x10, dest, 0L, 0x30);
ConversionUtils.arraycopy(src, 0, dest, 0x30L, src.Length);
byte[] buffer3 = ToolsImpl.CMAC128(EDATKeys.npdrm_omac_key3, dest, 0, dest.Length);
ConversionUtils.arraycopy(buffer3, 0, npd, 80L, 0x10);
if (this.compareBytes(buffer3, 0, npd, 80, 0x10))
{
return(buffer3);
}
return(null);
}
private bool checkNPDHash1(String filename, byte[] npd)
{
byte[] fileBytes = ConversionUtils.charsToByte(filename.ToCharArray());
byte[] data1 = new byte[0x30 + fileBytes.Length];
ConversionUtils.arraycopy(npd, 0x10, data1, 0, 0x30);
ConversionUtils.arraycopy(fileBytes, 0x00, data1, 0x30, fileBytes.Length);
byte[] hash1 = ToolsImpl.CMAC128(EDATKeys.npdrm_omac_key3, data1, 0, data1.Length);
bool result1 = compareBytes(hash1, 0, npd, 0x50, 0x10);
if (result1)
{
Console.WriteLine("NPD hash 1 is valid (" + ConversionUtils.getHexString(hash1) + ")");
}
return(result1);
}
private bool checkNPDHash1(string filename, byte[] npd)
{
byte[] src = ConversionUtils.charsToByte(filename.ToCharArray());
byte[] dest = new byte[0x30 + src.Length];
ConversionUtils.arraycopy(npd, 0x10, dest, 0L, 0x30);
ConversionUtils.arraycopy(src, 0, dest, 0x30L, src.Length);
byte[] buffer3 = ToolsImpl.CMAC128(EDATKeys.npdrm_omac_key3, dest, 0, dest.Length);
bool flag = this.compareBytes(buffer3, 0, npd, 80, 0x10);
if (flag)
{
Console.WriteLine("NPD hash 1 is valid (" + ConversionUtils.getHexString(buffer3) + ")");
}
return(flag);
}
private byte[] createNPDHash1(String filename, byte[] npd)
{
byte[] fileBytes = ConversionUtils.charsToByte(filename.ToCharArray());
byte[] data1 = new byte[0x30 + fileBytes.Length];
ConversionUtils.arraycopy(npd, 0x10, data1, 0, 0x30);
ConversionUtils.arraycopy(fileBytes, 0x00, data1, 0x30, fileBytes.Length);
byte[] hash1 = ToolsImpl.CMAC128(EDATKeys.npdrm_omac_key3, data1, 0, data1.Length);
ConversionUtils.arraycopy(hash1, 0, npd, 0x50, 0x10);
bool result1 = compareBytes(hash1, 0, npd, 0x50, 0x10);
if (result1)
{
return(hash1);
}
return(null);
}
private static void calculateSubkey(byte[] key, byte[] K1, byte[] K2)
{
byte[] zero = new byte[0x10];
byte[] L = new byte[0x10];
ToolsImpl.aesecbEncrypt(key, zero, 0, L, 0, zero.Length);
BigInteger aux = new BigInteger(ConversionUtils.reverseByteWithSizeFIX(L));
if ((L[0] & 0x80) != 0)
{
//Case MSB is set
aux = (aux << 1) ^ (new BigInteger(0x87));
}
else
{
aux = aux << 1;
}
byte[] aux1 = ConversionUtils.reverseByteWithSizeFIX(aux.ToByteArray());
if (aux1.Length >= 0x10)
{
ConversionUtils.arraycopy(aux1, aux1.Length - 0x10, K1, 0, 0x10);
}
else
{
ConversionUtils.arraycopy(zero, 0, K1, 0, zero.Length);
ConversionUtils.arraycopy(aux1, 0, K1, 0x10 - aux1.Length, aux1.Length);
}
aux = new BigInteger(ConversionUtils.reverseByteWithSizeFIX(K1));
if ((K1[0] & 0x80) != 0)
{
aux = (aux << 1) ^ (new BigInteger(0x87));
}
else
{
aux = aux << 1;
}
aux1 = ConversionUtils.reverseByteWithSizeFIX(aux.ToByteArray());
if (aux1.Length >= 0x10)
{
ConversionUtils.arraycopy(aux1, aux1.Length - 0x10, K2, 0, 0x10);
}
else
{
ConversionUtils.arraycopy(zero, 0, K2, 0, zero.Length);
ConversionUtils.arraycopy(aux1, 0, K2, 0x10 - aux1.Length, aux1.Length);
}
}
public override bool doFinal(byte[] generateHash)
{
byte[] dest = new byte[0x10];
ConversionUtils.arraycopy(this.nonProcessed, 0, dest, 0L, this.nonProcessed.Length);
if (this.nonProcessed.Length == 0x10)
{
ToolsImpl.XOR(dest, dest, this.K1);
}
else
{
dest[this.nonProcessed.Length] = 0x80;
ToolsImpl.XOR(dest, dest, this.K2);
}
ToolsImpl.XOR(dest, dest, this.previous);
ToolsImpl.aesecbEncrypt(this.key, dest, 0, generateHash, 0, dest.Length);
return(true);
}
public override bool doFinal(byte[] generateHash)
{
byte[] aux = new byte[0x10];
ConversionUtils.arraycopy(nonProcessed, 0, aux, 0, nonProcessed.Length);
if (nonProcessed.Length == 0x10)
{
ToolsImpl.XOR(aux, aux, K1);
}
else
{
aux[nonProcessed.Length] = (byte)0x80;
ToolsImpl.XOR(aux, aux, K2);
}
ToolsImpl.XOR(aux, aux, previous);
ToolsImpl.aesecbEncrypt(key, aux, 0, generateHash, 0, aux.Length);
return(true);
}
private int encryptData(FileStream ii, FileStream o, NPD npd, EDATData data, byte[] rifkey)
{
int num = (int)(((data.getFileLen() + data.getBlockSize()) - 1) / data.getBlockSize());
byte[] dest = new byte[num * 0x10];
byte[] buffer2 = new byte[ii.Length + 15L];
for (int i = 0; i < num; i++)
{
long offset = i * data.getBlockSize();
ii.Seek(offset, SeekOrigin.Begin);
int length = (int)data.getBlockSize();
if (i == (num - 1))
{
length = (int)(data.getFileLen() % new BigInteger(data.getBlockSize()));
}
int num5 = length;
length = (length + 15) & -16;
byte[] buffer3 = new byte[length];
byte[] buffer4 = new byte[length];
for (int j = num5; j > 0; j -= ii.Read(buffer4, num5 - j, j))
{
}
for (int k = num5; k < length; k++)
{
buffer4[k] = 0;
}
byte[] buffer5 = new byte[0x10];
byte[] buffer6 = new byte[0x10];
byte[] buffer7 = this.calculateBlockKey(i, npd);
ToolsImpl.aesecbEncrypt(rifkey, buffer7, 0, buffer5, 0, buffer7.Length);
ConversionUtils.arraycopy(buffer5, 0, buffer6, 0L, buffer5.Length);
int cryptoFlag = 2;
int hashFlag = 2;
AppLoaderReverse reverse = new AppLoaderReverse();
byte[] iv = npd.getDigest();
byte[] generatedHash = new byte[0x10];
reverse.doAll(hashFlag, cryptoFlag, buffer4, 0, buffer3, 0, buffer4.Length, buffer5, iv, buffer6, generatedHash, 0);
ConversionUtils.arraycopy(buffer3, 0, buffer2, offset, length);
ConversionUtils.arraycopy(generatedHash, 0, dest, (long)(i * 0x10), 0x10);
}
byte[] buffer = ConversionUtils.getByteArray("4D6164652062792052325220546F6F6C");
o.Write(dest, 0, dest.Length);
o.Write(buffer2, 0, buffer2.Length - 15);
o.Write(buffer, 0, buffer.Length);
return(STATUS_OK);
}
private void calculateSubkey(byte[] key, byte[] K1, byte[] K2)
{
byte[] i = new byte[0x10];
byte[] o = new byte[0x10];
ToolsImpl.aesecbEncrypt(key, i, 0, o, 0, i.Length);
BigInteger integer = new BigInteger(ConversionUtils.reverseByteWithSizeFIX(o));
if ((o[0] & 0x80) != 0)
{
integer = (integer << 1) ^ new BigInteger(0x87);
}
else
{
integer = integer << 1;
}
byte[] src = ConversionUtils.reverseByteWithSizeFIX(integer.ToByteArray());
if (src.Length >= 0x10)
{
ConversionUtils.arraycopy(src, src.Length - 0x10, K1, 0L, 0x10);
}
else
{
ConversionUtils.arraycopy(i, 0, K1, 0L, i.Length);
ConversionUtils.arraycopy(src, 0, K1, (long)(0x10 - src.Length), src.Length);
}
integer = new BigInteger(ConversionUtils.reverseByteWithSizeFIX(K1));
if ((K1[0] & 0x80) != 0)
{
integer = (integer << 1) ^ new BigInteger(0x87);
}
else
{
integer = integer << 1;
}
src = ConversionUtils.reverseByteWithSizeFIX(integer.ToByteArray());
if (src.Length >= 0x10)
{
ConversionUtils.arraycopy(src, src.Length - 0x10, K2, 0L, 0x10);
}
else
{
ConversionUtils.arraycopy(i, 0, K2, 0L, i.Length);
ConversionUtils.arraycopy(src, 0, K2, (long)(0x10 - src.Length), src.Length);
}
}
public override bool doFinal(byte[] expectedhash, int hashOffset, bool hashDebug)
{
byte[] dest = new byte[0x10];
ConversionUtils.arraycopy(this.nonProcessed, 0, dest, 0L, this.nonProcessed.Length);
if (this.nonProcessed.Length == 0x10)
{
ToolsImpl.XOR(dest, dest, this.K1);
}
else
{
dest[this.nonProcessed.Length] = 0x80;
ToolsImpl.XOR(dest, dest, this.K2);
}
ToolsImpl.XOR(dest, dest, this.previous);
byte[] o = new byte[0x10];
ToolsImpl.aesecbEncrypt(this.key, dest, 0, o, 0, dest.Length);
return(hashDebug || base.compareBytes(expectedhash, hashOffset, o, 0, this.hashLen));
}
public override bool doFinal(byte[] expectedhash, int hashOffset, bool hashDebug)
{
byte[] aux = new byte[0x10];
ConversionUtils.arraycopy(nonProcessed, 0, aux, 0, nonProcessed.Length);
if (nonProcessed.Length == 0x10)
{
ToolsImpl.XOR(aux, aux, K1);
}
else
{
aux[nonProcessed.Length] = (byte)0x80;
ToolsImpl.XOR(aux, aux, K2);
}
ToolsImpl.XOR(aux, aux, previous);
byte[] calculatedhash = new byte[0x10];
ToolsImpl.aesecbEncrypt(key, aux, 0, calculatedhash, 0, aux.Length);
return(hashDebug || compareBytes(expectedhash, hashOffset, calculatedhash, 0, hashLen));
}
private byte[] getKey(NPD npd, EDATData data, byte[] devKLic, byte[] keyFromRif)
{
byte[] output = null;
if ((data.getFlags() & FLAG_SDAT) != 0L)
{
output = new byte[0x10];
ToolsImpl.XOR(output, npd.getDevHash(), EDATKeys.SDATKEY);
return(output);
}
if (npd.getLicense() == 3L)
{
return(devKLic);
}
if (npd.getLicense() == 2L)
{
output = keyFromRif;
}
return(output);
}
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 static byte[] CMAC128(byte[] key, byte[] i, int inOffset, int len)
{
byte[] K1 = new byte[0x10];
byte[] K2 = new byte[0x10];
calculateSubkey(key, K1, K2);
byte[] input = new byte[0x10];
byte[] previous = new byte[0x10];
int currentOffset = inOffset;
int remaining = len;
//System.out.println(ConversionUtils.getHexString(key));
while (remaining > 0x10)
{
ConversionUtils.arraycopy(i, currentOffset, input, 0, 0x10);
//System.out.println(ConversionUtils.getHexString(previous) + " - " + ConversionUtils.getHexString(input));
XOR(input, input, previous);
ToolsImpl.aesecbEncrypt(key, input, 0, previous, 0, input.Length);
currentOffset += 0x10;
remaining -= 0x10;
}
//System.out.println(ConversionUtils.getHexString(previous));
input = new byte[0x10]; //Memset 0
ConversionUtils.arraycopy(i, currentOffset, input, 0, remaining);
if (remaining == 0x10)
{
XOR(input, input, previous);
XOR(input, input, K1);
}
else
{
input[remaining] = (byte)0x80;
XOR(input, input, previous);
XOR(input, input, K2);
}
//System.out.println(" - " + ConversionUtils.getHexString(input));
ToolsImpl.aesecbEncrypt(key, input, 0, previous, 0, input.Length);
return(previous);
}
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);
}
private byte[] getKey(NPD npd, EDATData data, byte[] devKLic, byte[] keyFromRif)
{
byte[] result = null;
if ((data.getFlags() & FLAG_SDAT) != 0)
{
//Case SDAT
result = new byte[0x10];
ToolsImpl.XOR(result, npd.getDevHash(), EDATKeys.SDATKEY);
}
else
{
//Case EDAT
if (npd.getLicense() == 0x03)
{
result = devKLic;
}
else if (npd.getLicense() == 0x02)
{
result = keyFromRif;
}
}
return(result);
}