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1using System;
2using System.Collections.Generic;
3using System.Linq;
4using System.Text;
5
6namespace ConsoleApplication1
7{
8    class Program
9    {
10        static void Main(string[] args)
11        {
12            int passwordLength = 6;
13            int customerId = 12345;
14            string encrypted = Crypter.Encrypt(customerId, "secretKey", passwordLength);
15            if (customerId == Crypter.Decrypt(encrypted, "secretKey"))
16            {
17                Console.WriteLine("It worked! Well done!");
18            }
19        }
20
21    }
22
23    public static class Crypter
24    {
25        public static string Encrypt(int input, string key, int passwordLength)
26        {
27            string encryptedString = "";
28            //do encrypt stuffz here
29
30            return encryptedString;
31        }
32        public static int Decrypt(string encryoted, string key)
33        {
34            int decrypted = 0;
35            //do decrypt stuffz here
36
37            return decrypted;
38        }
39    }
40}