C# MD5 Hash Ultra Şifreleme (Salt + Tekrarsız Güvenli Yapı)

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

public class Sifreleme
{
    public static string UretSaltliMD5(string sifre, string salt)
    {
        string birlesik = salt + sifre;
        using (MD5 md5 = MD5.Create())
        {
            byte[] inputBytes = Encoding.UTF8.GetBytes(birlesik);
            byte[] hashBytes = md5.ComputeHash(inputBytes);

            StringBuilder sb = new StringBuilder();
            foreach (byte b in hashBytes)
                sb.Append(b.ToString("X2"));

            return sb.ToString();
        }
    }

    public static string RastgeleSaltUret(int uzunluk = 16)
    {
        const string chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
        Random rnd = new Random();
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < uzunluk; i++)
            sb.Append(chars[rnd.Next(chars.Length)]);
        return sb.ToString();
    }
}

string sifre = "Kerim123";
string salt = Sifreleme.RastgeleSaltUret();
string hash = Sifreleme.UretSaltliMD5(sifre, salt);

Console.WriteLine("Salt: " + salt);
Console.WriteLine("MD5 Hash: " + hash);