using System;

using System.Security.Cryptography;

using System.Text;

using Newtonsoft.Json;

​

public class EncryptionObject

{

    public static void Main()

    {

        // this.nOldFileBlockSize = 192;

        // this.nNewFileBlockSize = EncryptionObject.SizeToBase64(this.nOldFileBlockSize);

        string str = ConvHexToStr("5F2C223F563F3F3F");

        byte[] salt = new byte[8]

        {

            byte.MaxValue,

            (byte) 37,

            (byte) 81,

            (byte) 99,

            (byte) 4,

            (byte) 57,

            (byte) 23,

            (byte) 108

        };

        Rfc2898DeriveBytes rfc2898DeriveBytes = new Rfc2898DeriveBytes(str, salt, 1000);

        AesCryptoServiceProvider Aes = new AesCryptoServiceProvider();

        Aes.KeySize = 256;

        Aes.BlockSize = 128;

        Aes.Key = rfc2898DeriveBytes.GetBytes(Aes.KeySize / 8);

        Aes.IV = rfc2898DeriveBytes.GetBytes(Aes.BlockSize / 8);

        Aes.Mode = CipherMode.CBC;

        Aes.IV.Dump();

        // this.encryptor = this.Aes.CreateEncryptor();

        // this.decryptor = this.Aes.CreateDecryptor();

        Console.WriteLine("Hello World");

    }

​

    public static string ConvStrToHex(string input)

    {

        string str1 = "";

        foreach (char ch in input.ToCharArray())

        {

            string str2 = string.Format("{0:X}", (object)Convert.ToInt32(ch));

            str1 += str2;

        }

​

        return str1;

    }

​

    public static string ConvHexToStr(string hexInput)

    {

        string str1 = "";

        char[] charArray = hexInput.ToCharArray();

        for (long index = 0; index <= (long)(hexInput.Length - 2); index += 2L)

        {

            string str2 = char.ConvertFromUtf32(Convert.ToInt32(charArray[index].ToString() + (object)charArray[index + 1L], 16));

            str1 += str2;

        }

​

        return str1;

    }

    private static void Dump(object o)

    {

        string json = JsonConvert.SerializeObject(o, Formatting.Indented);

        Console.WriteLine(json);

    }

}