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;
22 using Org.BouncyCastle.Crypto.Digests;
27 /// Representation of SHA-1 hash
29 public class SHA1 : Hash
32 /// Computes RIPEMD160 hash using managed library
34 private static Sha1Digest _hasher1 = new Sha1Digest();
37 public override int hashSize
39 get { return _hasher1.GetDigestSize(); }
42 public SHA1() : base() { }
43 public SHA1(byte[] bytes, int offset = 0) : base(bytes, offset) { }
44 public SHA1(SHA1 h) : base(h) { }
47 public static SHA1 Compute1(byte[] inputBytes)
49 var digest1 = new byte[_hasher1.GetDigestSize()];
51 _hasher1.BlockUpdate(inputBytes, 0, inputBytes.Length);
52 _hasher1.DoFinal(digest1, 0);
54 return new SHA1(digest1);