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  1. using System;
  2. using System.Security.Cryptography;
  3. using System.Text;
  4. using System.Collections.Generic;
  5. using System.IO;
  6. using System.Linq;
  7. using System.Net;
  8.  
  9. namespace nboard
  10. {
  11.     class Program
  12.     {
  13.         static void Main()
  14.         {
  15.         	Console.WriteLine(HashCalculator.Calculate("test"));
  16.         }
  17.     }
  18.  
  19.     static class NanoEncoding
  20.     {
  21.         static string charset = 
  22. "?!\"#$%&'()*+,-./0123456789:;<=> @ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~"+
  23. "ЎўЄєІіЇїАБВГДЕЁЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдеёжзийклмнопрстуфхцчшщъыьэюяčšžćśźńŭłČŠŽĆŚŽŽŬŁ" +
  24. "№©«»±®Ґґ°™—“”’‘…–\n\r\t";
  25.  
  26.         public static byte[] GetBytes(string str)
  27.         {
  28.             byte[] bytes = new byte[str.Length];
  29.             int i = 0;
  30.  
  31.             foreach (var c in str)
  32.             {
  33.                 int iof = charset.IndexOf(c);
  34.                 if (iof == -1) bytes[i++] = 0;
  35.                 else bytes[i++] = (byte)iof;
  36.             }
  37.  
  38.             return bytes;
  39.         }
  40.  
  41.         public static string GetString(byte[] bytes)
  42.         {
  43.             char[] chars = new char[bytes.Length];
  44.             int i = 0;
  45.  
  46.             foreach (var b in bytes)
  47.             {
  48.                 if (b > charset.Length) chars[i++] = '?';
  49.                 else chars[i++] = charset[b];
  50.             }
  51.  
  52.             return new string(chars);
  53.         }
  54.     }
  55.  
  56.     static class HashCalculator
  57.     {
  58.         public const int HashCrop = 16;
  59.  
  60.         public static string Calculate(string raw)
  61.         {
  62.             byte[] bhash = SHA256.Create().ComputeHash(NanoEncoding.GetBytes(raw));
  63.             StringBuilder sb = new StringBuilder();
  64.  
  65.             for (int i = 0; i < HashCrop; i++)
  66.             {
  67.                 sb.Append(bhash[i].ToString("x2"));
  68.             }
  69.  
  70.             return sb.ToString();
  71.         }
  72.     }
  73. }
Success #stdin #stdout 0.1s 24248KB
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94ee059335e587e501cc4bf90613e081
https://ideone.com/slVERs
language:
C# (gmcs 5.20.1)
created:
8 years ago
visibility:
public

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