/* KDSBEST START */
public int encryptFile(String inFile, String outFile, byte[] devKLic, byte[] keyFromRif, byte[] contentID, byte[] flags, byte[] type, byte[] version)
{
FileStream fin = File.Open(inFile, FileMode.Open);
// MemoryMappedFile fin1 = MemoryMappedFile.CreateFromFile(inFile, FileMode.Open);
NPD[] ptr = new NPD[1]; //Ptr to Ptr
FileStream o = File.Open(outFile, FileMode.Create);
string[] fn = o.Name.Split('\\');
byte[] npd = writeValidNPD(fn[fn.Length - 1], devKLic, ptr, fin, contentID, flags, version, type);
o.Write(npd, 0, npd.Length);
byte[] buffer = new byte[4];
// FLAGS
buffer[0] = 0x00;
buffer[1] = 0x00;
buffer[2] = 0x00;
buffer[3] = 0x00;
o.Write(buffer, 0, 4);
// blocksize 0x00004000
buffer[2] = 0x40;
o.Write(buffer, 0, 4);
long len = fin.Length;
byte[] lenBuf = BitConverter.GetBytes(len);
byte[] rLenBuf = new byte[8];
for (int i = 0; i < 8; i++)
{
rLenBuf[i] = 0x00;
}
for (int i = 0; i < lenBuf.Length; i++)
{
rLenBuf[7 - i] = lenBuf[i];
}
o.Write(rLenBuf, 0, 8);
// Fill the rest 0x10 bytes with dummy we generate the metasection hash later!
// the bytes till 0x100 are unknown
buffer[0] = 0x00;
while (o.Length < 0x100)
{
o.Write(buffer, 0, 1);
}
EDATData data = new EDATData();
data.flags = 0x00000000;
data.blockSize = 0x00004000;
data.fileLen = new BigInteger(len);
byte[] rifkey = getKey(ptr[0], data, devKLic, keyFromRif); //Obtain the key for decryption (result of sc471 or sdatkey)
int hashFlag = 0x00000002;
encryptData(fin, o, ptr[0], data, rifkey);
o.Seek(0x90, SeekOrigin.Begin);
AppLoader aa = new AppLoader();
aa.doInit(hashFlag, 0x00000001, new byte[0x10], new byte[0x10], rifkey);
int sectionSize = ((data.getFlags() & FLAG_COMPRESSED) != 0) ? 0x20 : 0x010; //BUG??? What about FLAG0x20??
//Determine the metadatasection total len
int numBlocks = (int)((data.getFileLen() + data.getBlockSize() - 11) / data.getBlockSize());
int readed = 0;
int baseOffset = 0x100;
//baseOffset += modifier; //There is an unknown offset to add to the metadatasection... value seen 0
long remaining = sectionSize * numBlocks;
while (remaining > 0)
{
int lenToRead = (HEADER_MAX_BLOCKSIZE > remaining) ? (int)remaining : HEADER_MAX_BLOCKSIZE;
o.Seek(baseOffset + readed, SeekOrigin.Begin);
byte[] content = new byte[lenToRead];
byte[] ooo = new byte[lenToRead];
o.Read(content, 0, content.Length);
aa.doUpdate(content, 0, ooo, 0, lenToRead);
readed += lenToRead;
remaining -= lenToRead;
}
byte[] headerHash = new byte[0x10];
aa.doFinalButGetHash(headerHash);
o.Seek(0x90, SeekOrigin.Begin);
o.Write(headerHash, 0, headerHash.Length);
// Header Complete
// Generate Header Hash
o.Seek(0, SeekOrigin.Begin);
byte[] header = new byte[0xA0];
byte[] headerODummy = new byte[0xA0];
o.Read(header, 0, header.Length);
AppLoaderReverse a = new AppLoaderReverse();
byte[] generatedHash = new byte[0x10];
bool result = a.doAll(hashFlag, 0x00000001, header, 0, headerODummy, 0, header.Length, new byte[0x10], new byte[0x10], rifkey, generatedHash, 0);
o.Seek(0xA0, SeekOrigin.Begin);
o.Write(generatedHash, 0, generatedHash.Length);
//KDSBest We don't know the DATA 0xB0 to 0x100!!!
while (o.Length < 0x100)
{
o.Write(buffer, 0, 1);
}
o.Close();
fin.Close();
return(STATUS_OK);
}
private int checkHeader(byte[] rifKey, EDATData data, NPD npd, FileStream i)
{
i.Seek(0, SeekOrigin.Begin);
byte[] header = new byte[0xA0];
byte[] o = new byte[0xA0];
byte[] expectedHash = new byte[0x10];
//Version check
Console.WriteLine("Checking NPD Version:" + npd.getVersion());
if ((npd.getVersion() == 0) || (npd.getVersion() == 1))
{
if ((data.getFlags() & 0x7FFFFFFE) != 0)
{
Console.WriteLine("ERROR: Incorrect Header Flags"); return(STATUS_ERROR_INCORRECT_FLAGS);
}
}
else if (npd.getVersion() == 2)
{
if ((data.getFlags() & 0x7EFFFFE0) != 0)
{
Console.WriteLine("ERROR: Incorrect Header Flags"); return(STATUS_ERROR_INCORRECT_FLAGS);
}
}
else if (npd.getVersion() == 3 || (npd.getVersion() == 4))
{
if ((data.getFlags() & 0x7EFFFFC0) != 0)
{
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);
}
{
int keyIndex = 0;
if (npd.getVersion() == 4)
{
keyIndex = 1;
}
i.Read(header, 0, header.Length);
i.Read(expectedHash, 0, expectedHash.Length);
Console.WriteLine("Checking header hash:");
AppLoader a = new AppLoader();
int hashFlag = ((data.getFlags() & FLAG_KEYENCRYPTED) == 0) ? 0x00000002 : 0x10000002;
if ((data.getFlags() & FLAG_DEBUG) != 0)
{
hashFlag |= 0x01000000;
}
//Veryfing header
bool result = a.doAll(hashFlag, 0x00000001, header, 0, o, 0, header.Length, new byte[0x10], new byte[0x10], rifKey, expectedHash, 0);
if (!result)
{
Console.WriteLine("Error verifying header. Is rifKey valid?.");
return(STATUS_ERROR_HEADERCHECK);
}
Console.WriteLine("Checking metadata hash:");
a = new AppLoader();
a.doInit(hashFlag, 0x00000001, new byte[0x10], new byte[0x10], rifKey);
int sectionSize = ((data.getFlags() & FLAG_COMPRESSED) != 0) ? 0x20 : 0x010; //BUG??? What about FLAG0x20??
//Determine the metadatasection total len
int numBlocks = (int)((data.getFileLen() + data.getBlockSize() - 11) / data.getBlockSize());
int readed = 0;
int baseOffset = 0x100;
//baseOffset += modifier; //There is an unknown offset to add to the metadatasection... value seen 0
long remaining = sectionSize * numBlocks;
while (remaining > 0)
{
int lenToRead = (HEADER_MAX_BLOCKSIZE > remaining) ? (int)remaining : HEADER_MAX_BLOCKSIZE;
i.Seek(baseOffset + readed, SeekOrigin.Begin);
byte[] content = new byte[lenToRead];
o = new byte[lenToRead];
i.Read(content, 0, content.Length);
a.doUpdate(content, 0, o, 0, lenToRead);
readed += lenToRead;
remaining -= lenToRead;
}
result = a.doFinal(header, 0x90);
if (!result)
{
Console.WriteLine("Error verifying metadatasection. Data tampered");
return(STATUS_ERROR_HEADERCHECK);
}
return(STATUS_OK);
}
}