private byte[] Encrypt(byte[] data)
{
var isX7 = Name.EndsWith(".x7", StringComparison.InvariantCultureIgnoreCase);
if (Name.EndsWith(".lua", StringComparison.InvariantCultureIgnoreCase) || isX7)
{
if (isX7)
{
data = S4Crypto.EncryptX7(data);
}
data = S4Crypto.EncryptAES(data);
S4Crypto.Encrypt(data);
}
Length = data.Length;
S4Crypto.EncryptCapped(data);
if (data.Length < 1048576)
{
data = miniLzo.Compress(data);
}
S4Crypto.SwapBytes(data);
return(data);
}
public static long ComputeHash(byte[] data, string fullName)
{
long dataCRC = Hash.GetUInt32 <CRC32>(data);
long pathCRC = Hash.GetUInt32 <CRC32>(Encoding.ASCII.GetBytes(fullName));
var finalCRC = dataCRC | (pathCRC << 32);
var tmp = BitConverter.GetBytes(finalCRC);
S4Crypto.EncryptCapped(tmp);
return(BitConverter.ToInt64(tmp, 0));
}
private byte[] EncryptEntry(byte[] data)
{
S4Crypto.EncryptCapped(data);
return(data);
}