Novacoin/Hash256.cs

   1 \feffusing System;
   2 using System.Text;
   3 using System.Linq;
   4
   5 namespace Novacoin
   6 {
   7         /// <summary>
   8         /// Representation of SHA-256 hash
   9         /// </summary>
  10         public class Hash256
  11         {
  12                 /// <summary>
  13                 /// Array of digest bytes.
  14                 /// </summary>
  15                 private byte[] h;
  16
  17                 /// <summary>
  18                 /// Initializes an empty instance of the Hash256 class.
  19                 /// </summary>
  20                 public Hash256 ()
  21                 {
  22                         h = Enumerable.Repeat<byte>(0, 32).ToArray();
  23                 }
  24
  25                 public override string ToString()
  26                 {
  27                         StringBuilder sb = new StringBuilder(h.Length * 2);
  28                         foreach (byte b in h)
  29                         {
  30                                 sb.AppendFormat ("{0:x2}", b);
  31                         }
  32                         return sb.ToString();
  33                 }
  34         }
  35 }
  36