2 * Novacoin classes library
3 * Copyright (C) 2015 Alex D. (balthazar.ad@gmail.com)
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU Affero General Public License as
7 * published by the Free Software Foundation, either version 3 of the
8 * License, or (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU Affero General Public License for more details.
15 * You should have received a copy of the GNU Affero General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 using System.Collections.Generic;
21 using System.Security.Cryptography;
26 /// Representation of pubkey/script hash.
28 public class Hash160 : Hash
31 /// Computes RIPEMD160 hash using managed library
33 private static readonly RIPEMD160Managed _hasher160 = new RIPEMD160Managed();
36 public override int hashSize
41 public Hash160() : base() { }
42 public Hash160(byte[] bytes, int offset = 0) : base(bytes, offset) { }
43 public Hash160(IEnumerable<byte> bytes, int skip = 0) : base(bytes, skip) { }
44 public Hash160(Hash160 h) : base(h) { }
46 public static Hash160 Compute160(IEnumerable<byte> inputBytes)
48 byte[] dataBytes = inputBytes.ToArray();
49 byte[] digest1 = _hasher256.ComputeHash(dataBytes, 0, dataBytes.Length);
50 byte[] digest2 = _hasher160.ComputeHash(digest1, 0, digest1.Length);
52 return new Hash160(digest2);