[C#] WhatsApp Crypt5 Database Decryption

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using OpenSSL.Crypto;
using System.IO;

namespace WhatsappDecrypt
{
    class Decrypt
    {
        static byte[] key = { 141, 75, 21, 92, 201, 255, 129, 229, 203, 246, 250, 120, 25, 54, 106, 62, 198, 33, 166, 86, 65, 108, 215, 147 };
        static byte[] iv = { 0x1E, 0x39, 0xF3, 0x69, 0xE9, 0xD, 0xB3, 0x3A, 0xA7, 0x3B, 0x44, 0x2B, 0xBB, 0xB6, 0xB0, 0xB9 };

        public void Run()
        {
            //Create cipher.
            CipherContext aes = new CipherContext(Cipher.AES_192_CBC);//aes cipher
            System.Security.Cryptography.MD5 md5 = System.Security.Cryptography.MD5.Create();//md5 crypt
            byte[] inputBytes = System.Text.Encoding.ASCII.GetBytes("MyMail");//get bytes from input string
            byte[] hash = md5.ComputeHash(inputBytes);
            //////////////UpdateKey//////////////
            for (int i = 0; i < 24; i++)
            {
                key[i] ^= hash[i & 0xF];
            }
            /////////////////////////////////////
            //Decrypt file and rewrite to new.
            byte[] returnedData = aes.Crypt(System.IO.File.ReadAllBytes(@"C:\Users\xxx\Downloads\msgstore.db.crypt5"), key, iv, false);
            File.WriteAllBytes(@"C:\Users\xxx\Desktop\recover.db", returnedData);
            Console.WriteLine("Ready");
        }
    }
}