How to implement pbkdf2_sha256 in C#

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C#

WPF

cryptography

I have made a website, in which on login I am using pbkdf2_sha256 for password hashing. I have used salt also. I want to make a simple software just for the experience, I want to login into the c# software using same credentials as saved by the website. I have seen Rfc2898DeriveBytes I guess it only takes 2 arguments (password, salt in integer). But what about iterations I have specified on the website?

Anyone, please guide me how to make a login in c# (WPF) application and use pbkdf2_sha256 to create a hash and to verify the password.

I have seen PBKDF2.Net NuGet package and BouncyCastle NuGet Package, but i am not getting how to use them i am getting a lot of error in syntax what ever i have copied from some sites.

i have also used

var salt = "FbSnXHPo12gb";
var password = "geheim";
var interactions = 12000;


using (var hmac = new HMACSHA256())
{
    var df = new Pbkdf2(hmac, password, salt, interactions);
    Console.WriteLine(Convert.ToBase64String(df.GetBytes(32)));
}

please help me

What I have tried:

using System.Security.Cryptography;
using System.Configuration;
using Org.BouncyCastle.Crypto;
using Org.BouncyCastle.Crypto.Engines;
using Org.BouncyCastle.Crypto.Generators;
using Org.BouncyCastle.Crypto.Modes;
using Org.BouncyCastle.Crypto.Parameters;
using Org.BouncyCastle.Security;

namespace login
{

    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {

        public MainWindow()
        {
            InitializeComponent();
        }

        

        private void test_Click(object sender, RoutedEventArgs e)
        {
            int iterations = 100000; // The number of times to encrypt the password - change this
            int saltByteSize = 64; // the salt size - change this
            int hashByteSize = 128; // the final hash - change this

            BouncyCastleHashing mainHashingLib = new BouncyCastleHashing();

            var password = "password"; // That's really secure! :)

            byte[] saltBytes = mainHashingLib.CreateSalt(saltByteSize);
            string saltString = Convert.ToBase64String(saltBytes);

            string pwdHash = mainHashingLib.PBKDF2_SHA256_GetHash(password, saltString, iterations, hashByteSize);

            var isValid = mainHashingLib.ValidatePassword(password, saltBytes, iterations, hashByteSize, Convert.FromBase64String(pwdHash));
        }
    }
}