1:
2:
3:
4:
5:
6:
7:
8:
9:
10:
11:
12:
13:
14:
15:
16:
17:
18:
19:
20:
21:
22:
23:
24:
25:
26:
27:
28:
29:
30:
31:
32:
33:
34:
35:
36:
37:
38:
39:
40:
41:
42:

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


class MainClass
{
    public static void Main(string[] args)

    {
        FileStream fin;
        string s;

        try
        {
            fin = new FileStream(@"C:....txt", FileMode.Open);
        }
        catch (FileNotFoundException exc)
        {
            Console.WriteLine(exc.Message + "Cannot open file.");
            return;
        }

        StreamReader fstr_in = new StreamReader(fin);

        // lesen der Zeilen
        while ((s = fstr_in.ReadLine()) != null)
        {
            Console.WriteLine(s);
        }
        static string CreateHash(string valueToHash)
        {
            MD5 md5 = new MD5CryptoServiceProvider(); 
            byte[]textBytes = Encoding.Default.GetBytes(input());
            byte[] result = md5.ComputeHash(textBytes);
            return BitConverter.ToString(result);
        }       

        Console.ReadKey();
    }
}