some Orgesta Tool

PPMBundleDec.cs

using System;
using System.IO;
using System.Security.Cryptography;
using System.Text;

namespace Orgesta
{
    internal class Program
    {
        static void Main(string[] args)
        {
            string file_path = args[0];
            string file_name = Path.GetFileName(file_path);
            using (FileStream fileStream = new FileStream(file_path, FileMode.Open))
            {
                byte[] salt = Encoding.UTF8.GetBytes(file_name);
                string password = "!<iLGHKnNRWp0ai.";
                
                using (var aes = new AesManaged())
                {
                    aes.KeySize = 128;
                    aes.Mode = CipherMode.ECB;
                    aes.Padding = PaddingMode.None;
                    
                    using (var deriveBytes = new PasswordDeriveBytes(password, salt))
                    {
                        aes.Key = deriveBytes.GetBytes(aes.KeySize / 8);
                        aes.IV = new byte[16];
                        
                        using (var encryptor = aes.CreateEncryptor())
                        using (FileStream fs = File.Create(file_path + ".bundle"))
                        {
                            int blockSize = aes.BlockSize / 8;
                            byte[] buffer = new byte[4096];
                            byte[] cipherBlock = new byte[blockSize];
                            long blockCounter = 1;
                            
                            while (true)
                            {
                                int bytesRead = fileStream.Read(buffer, 0, buffer.Length);
                                if (bytesRead == 0) break;
                                
                                for (int i = 0; i < bytesRead; i++)
                                {
                                    if (i % blockSize == 0)
                                    {
                                        byte[] counterBytes = new byte[blockSize];
                                        BitConverter.GetBytes(blockCounter++).CopyTo(counterBytes, 0);
                                        encryptor.TransformBlock(counterBytes, 0, blockSize, cipherBlock, 0);
                                    }
                                    buffer[i] ^= cipherBlock[i % blockSize];
                                }
                                
                                fs.Write(buffer, 0, bytesRead);
                            }
                        }
                    }
                }
            }
        }
    }
}

PPMSaveDataDec.cs

using System;
using System.IO;
using System.Security.Cryptography;
using System.Text;

namespace saveDataDec
{
    internal class Program
    {
        static void Main(string[] args)
        {
            string file_name = args[0];
            Console.WriteLine(file_name);
            //return;
            using (FileStream fileStream = new FileStream(file_name, FileMode.Open))
            {
                byte[] array = new byte[fileStream.Length];
                fileStream.Read(array, 0, array.Length);
                byte[] decdata = Decrypt(array);
                File.WriteAllBytes(file_name + ".DEC", decdata);
            }
        }
        static byte[] Decrypt(byte[] binData)
        {
            RijndaelManaged rijndaelManaged = new RijndaelManaged();
            rijndaelManaged.Padding = PaddingMode.Zeros;
            rijndaelManaged.Mode = CipherMode.CBC;
            rijndaelManaged.KeySize = 256;
            rijndaelManaged.BlockSize = 128;
            byte[] rgbKey = new byte[0];
            byte[] rgbIV = new byte[0];
            rgbKey = Encoding.UTF8.GetBytes("w5qdv9jr7a6is98235kiqvhuhfqncacf");
            rgbIV = Encoding.UTF8.GetBytes("ptmcyvrtk2c83yji");
            ICryptoTransform transform = rijndaelManaged.CreateDecryptor(rgbKey, rgbIV);
            byte[] array = new byte[binData.Length];
            new CryptoStream(new MemoryStream(binData), transform, CryptoStreamMode.Read).Read(array, 0, array.Length);
            return array;
        }
    }
}

Prison Princess Tool