public int encryptFile(string inFile, string outFile, byte[] devKLic, byte[] keyFromRif, byte[] contentID, byte[] flags, byte[] type, byte[] version)
{
int num2;
int num9;
FileStream fin = File.Open(inFile, FileMode.Open);
NPD[] npdPtr = new NPD[1];
FileStream o = File.Open(outFile, FileMode.Create);
string[] strArray = o.Name.Split(new char[] { '\\' });
byte[] buffer = this.writeValidNPD(strArray[strArray.Length - 1], devKLic, npdPtr, fin, contentID, flags, version, type);
o.Write(buffer, 0, buffer.Length);
byte[] buffer2 = new byte[] { 0, 0, 0, 0 };
o.Write(buffer2, 0, 4);
buffer2[2] = 0x40;
o.Write(buffer2, 0, 4);
long length = fin.Length;
byte[] bytes = BitConverter.GetBytes(length);
byte[] buffer4 = new byte[8];
for (num2 = 0; num2 < 8; num2++)
{
buffer4[num2] = 0;
}
for (num2 = 0; num2 < bytes.Length; num2++)
{
buffer4[7 - num2] = bytes[num2];
}
o.Write(buffer4, 0, 8);
buffer2[0] = 0;
while (o.Length < 0x100L)
{
o.Write(buffer2, 0, 1);
}
EDATData data = new EDATData {
flags = 0L,
blockSize = 0x4000L,
fileLen = new BigInteger(length)
};
byte[] rifkey = this.getKey(npdPtr[0], data, devKLic, keyFromRif);
int hashFlag = 2;
this.encryptData(fin, o, npdPtr[0], data, rifkey);
o.Seek(0x90L, SeekOrigin.Begin);
AppLoader loader = new AppLoader();
loader.doInit(hashFlag, 1, new byte[0x10], new byte[0x10], rifkey);
int num4 = ((data.getFlags() & FLAG_COMPRESSED) != 0L) ? 0x20 : 0x10;
int num5 = (int) (((data.getFileLen() + data.getBlockSize()) - 11) / data.getBlockSize());
int num6 = 0;
int num7 = 0x100;
for (long i = num4 * num5; i > 0L; i -= num9)
{
num9 = (HEADER_MAX_BLOCKSIZE > i) ? ((int) i) : HEADER_MAX_BLOCKSIZE;
o.Seek((long) (num7 + num6), SeekOrigin.Begin);
byte[] buffer6 = new byte[num9];
byte[] buffer7 = new byte[num9];
o.Read(buffer6, 0, buffer6.Length);
loader.doUpdate(buffer6, 0, buffer7, 0, num9);
num6 += num9;
}
byte[] generatedHash = new byte[0x10];
loader.doFinalButGetHash(generatedHash);
o.Seek(0x90L, SeekOrigin.Begin);
o.Write(generatedHash, 0, generatedHash.Length);
o.Seek(0L, SeekOrigin.Begin);
byte[] buffer9 = new byte[160];
byte[] buffer10 = new byte[160];
o.Read(buffer9, 0, buffer9.Length);
AppLoaderReverse reverse = new AppLoaderReverse();
byte[] buffer11 = new byte[0x10];
bool flag = reverse.doAll(hashFlag, 1, buffer9, 0, buffer10, 0, buffer9.Length, new byte[0x10], new byte[0x10], rifkey, buffer11, 0);
o.Seek(160L, SeekOrigin.Begin);
o.Write(buffer11, 0, buffer11.Length);
while (o.Length < 0x100L)
{
o.Write(buffer2, 0, 1);
}
o.Close();
fin.Close();
return STATUS_OK;
}
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;
}
private int decryptData(FileStream ii, FileStream o, NPD npd, EDATData data, byte[] rifkey)
{
int num = (int) (((data.getFileLen() + data.getBlockSize()) - 1) / data.getBlockSize());
int num2 = (((data.getFlags() & FLAG_COMPRESSED) != 0L) || ((data.getFlags() & FLAG_0x20) != 0L)) ? 0x20 : 0x10;
int num3 = 0x100;
for (int i = 0; i < num; i++)
{
long num5;
int num6;
byte[] buffer2;
int num11;
ii.Seek((long) (num3 + (i * num2)), SeekOrigin.Begin);
byte[] dest = new byte[0x10];
int num7 = 0;
if ((data.getFlags() & FLAG_COMPRESSED) != 0L)
{
buffer2 = new byte[0x20];
ii.Read(buffer2, 0, buffer2.Length);
byte[] buffer3 = this.decryptMetadataSection(buffer2);
num5 = (int) ConversionUtils.be64(buffer3, 0);
num6 = (int) ConversionUtils.be32(buffer3, 8);
num7 = (int) ConversionUtils.be32(buffer3, 12);
ConversionUtils.arraycopy(buffer2, 0, dest, 0L, 0x10);
}
else if ((data.getFlags() & FLAG_0x20) != 0L)
{
buffer2 = new byte[0x20];
ii.Read(buffer2, 0, buffer2.Length);
for (int j = 0; j < 0x10; j++)
{
dest[j] = (byte) (buffer2[j] ^ buffer2[j + 0x10]);
}
num5 = (num3 + (i * data.getBlockSize())) + (num * num2);
num6 = (int) data.getBlockSize();
if (i == (num - 1))
{
num6 = (int) (data.getFileLen() % new BigInteger(data.getBlockSize()));
}
}
else
{
ii.Read(dest, 0, dest.Length);
num5 = (num3 + (i * data.getBlockSize())) + (num * num2);
num6 = (int) data.getBlockSize();
if (i == (num - 1))
{
num6 = (int) (data.getFileLen() % new BigInteger(data.getBlockSize()));
}
}
int count = num6;
num6 = (num6 + 15) & -16;
Debug.Print("Offset: %016X, len: %08X, realLen: %08X, endCompress: %d\r\n", new object[] { num5, num6, count, num7 });
ii.Seek(num5, SeekOrigin.Begin);
byte[] buffer = new byte[num6];
byte[] buffer5 = new byte[num6];
ii.Read(buffer, 0, buffer.Length);
byte[] buffer6 = new byte[0x10];
byte[] buffer7 = new byte[0x10];
byte[] buffer8 = this.calculateBlockKey(i, npd);
ToolsImpl.aesecbEncrypt(rifkey, buffer8, 0, buffer6, 0, buffer8.Length);
if ((data.getFlags() & FLAG_0x10) != 0L)
{
ToolsImpl.aesecbEncrypt(rifkey, buffer6, 0, buffer7, 0, buffer6.Length);
}
else
{
ConversionUtils.arraycopy(buffer6, 0, buffer7, 0L, buffer6.Length);
}
int cryptoFlag = ((data.getFlags() & FLAG_0x02) == 0L) ? 2 : 1;
if ((data.getFlags() & FLAG_0x10) == 0L)
{
num11 = 2;
}
else if ((data.getFlags() & FLAG_0x20) == 0L)
{
num11 = 4;
}
else
{
num11 = 1;
}
if ((data.getFlags() & FLAG_KEYENCRYPTED) != 0L)
{
cryptoFlag |= 0x10000000;
num11 |= 0x10000000;
}
if ((data.getFlags() & FLAG_DEBUG) != 0L)
{
cryptoFlag |= 0x1000000;
num11 |= 0x1000000;
}
AppLoader loader = new AppLoader();
byte[] buffer9 = (npd.getVersion() <= 1L) ? new byte[0x10] : npd.getDigest();
if (!loader.doAll(num11, cryptoFlag, buffer, 0, buffer5, 0, buffer.Length, buffer6, npd.getDigest(), buffer7, dest, 0))
{
Debug.WriteLine("Error decrypting block " + i);
}
if ((data.getFlags() & FLAG_COMPRESSED) == 0L)
{
o.Write(buffer5, 0, count);
}
}
return STATUS_OK;
}
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 int checkHeader(byte[] rifKey, EDATData data, NPD npd, FileStream i)
{
int num8;
i.Seek(0L, SeekOrigin.Begin);
byte[] buffer = new byte[160];
byte[] o = new byte[160];
byte[] buffer3 = new byte[0x10];
Console.WriteLine("Checking NPD Version:" + npd.getVersion());
if ((npd.getVersion() == 0L) || (npd.getVersion() == 1L))
{
if ((data.getFlags() & 0x7ffffffeL) != 0L)
{
Console.WriteLine("ERROR: Incorrect Header Flags");
return STATUS_ERROR_INCORRECT_FLAGS;
}
}
else if (npd.getVersion() == 2L)
{
if ((data.getFlags() & 0x7effffe0L) != 0L)
{
Console.WriteLine("ERROR: Incorrect Header Flags");
return STATUS_ERROR_INCORRECT_FLAGS;
}
}
else if ((npd.getVersion() == 3L) || (npd.getVersion() == 4L))
{
if ((data.getFlags() & 0x7effffc0L) != 0L)
{
Console.WriteLine("ERROR: Incorrect Header Flags");
return STATUS_ERROR_INCORRECT_FLAGS;
}
}
else
{
Console.WriteLine("ERROR: Unsupported EDAT version (need keys)");
return STATUS_ERROR_INCORRECT_VERSION;
}
if (npd.getVersion() == 4L)
{
}
i.Read(buffer, 0, buffer.Length);
i.Read(buffer3, 0, buffer3.Length);
Console.WriteLine("Checking header hash:");
AppLoader loader = new AppLoader();
int hashFlag = ((data.getFlags() & FLAG_KEYENCRYPTED) == 0L) ? 2 : 0x10000002;
if ((data.getFlags() & FLAG_DEBUG) != 0L)
{
hashFlag |= 0x1000000;
}
if (!loader.doAll(hashFlag, 1, buffer, 0, o, 0, buffer.Length, new byte[0x10], new byte[0x10], rifKey, buffer3, 0))
{
Console.WriteLine("Error verifying header. Is rifKey valid?.");
return STATUS_ERROR_HEADERCHECK;
}
Console.WriteLine("Checking metadata hash:");
loader = new AppLoader();
loader.doInit(hashFlag, 1, new byte[0x10], new byte[0x10], rifKey);
int num3 = ((data.getFlags() & FLAG_COMPRESSED) != 0L) ? 0x20 : 0x10;
int num4 = (int) (((data.getFileLen() + data.getBlockSize()) - 11) / data.getBlockSize());
int num5 = 0;
int num6 = 0x100;
for (long j = num3 * num4; j > 0L; j -= num8)
{
num8 = (HEADER_MAX_BLOCKSIZE > j) ? ((int) j) : HEADER_MAX_BLOCKSIZE;
i.Seek((long) (num6 + num5), SeekOrigin.Begin);
byte[] buffer4 = new byte[num8];
o = new byte[num8];
i.Read(buffer4, 0, buffer4.Length);
loader.doUpdate(buffer4, 0, o, 0, num8);
num5 += num8;
}
if (!loader.doFinal(buffer, 0x90))
{
Console.WriteLine("Error verifying metadatasection. Data tampered");
return STATUS_ERROR_HEADERCHECK;
}
return STATUS_OK;
}
