public static byte[] EncryptSNA(byte[] levelFile)
{
var stream = new EncodedStream(levelFile);
stream.Seek(4, SeekOrigin.Current);
byte[] buff = new byte[stream.Length];
buff[0] = 0x79;
buff[1] = 0xCC;
buff[2] = 0xB5;
buff[3] = 0x6A;
stream.Read(buff, 4, (int)stream.Length - 4);
return(buff);
}
public static byte[] DecryptSNA(FileInfo levelFile, string suffix = "")
{
var stream = new EncodedStream(File.ReadAllBytes(levelFile.FullName + suffix));
stream.Seek(4, SeekOrigin.Current);
byte[] buff = new byte[stream.Length];
buff[0] = 0x79;
buff[1] = 0xCC;
buff[2] = 0xB5;
buff[3] = 0x6A;
stream.Read(buff, 4, (int)stream.Length - 4);
return(buff);
}