using Newtonsoft.Json; using OtpNet; using System; using System.IO; using System.Threading; using System.Threading.Tasks; namespace MyApp { public class Item { public string name = ""; public string code = ""; } class Program { static void Main(string[] args) { // Random hash var key = KeyGeneration.GenerateRandomKey(20); var base32String = Base32Encoding.ToString(key); Console.WriteLine("Random {0}", base32String); Console.WriteLine("-------------------------------------"); // From JSON using StreamReader r = new(@"secrets\secrets.json"); string? json = r.ReadToEnd(); if (json != null) { List<Item>? items = JsonConvert.DeserializeObject<List<Item>>(json); while (true) { dynamic? array = JsonConvert.DeserializeObject(json) ?? new List<Object>(); foreach (var item in array) { string itemName = item.name; string itemCode = item.code; var otpCode = new Totp(Base32Encoding.ToBytes(itemCode)).ComputeTotp(DateTime.UtcNow); Console.WriteLine("{0}", DateTime.UtcNow.ToString()); Console.WriteLine("===> {0}", itemName); Console.WriteLine("======> {0}", otpCode); Console.WriteLine("----------------------------------------"); } Thread.Sleep(15000); // 30 second delay Console.Clear(); } } Console.WriteLine("\nPress any key to exit."); Console.ReadKey(); } } }