156 lines
3.8 KiB
C#
156 lines
3.8 KiB
C#
/*
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* Copyright (C) 2012-2018 CypherCore <http://github.com/CypherCore>
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* Copyright (C) 2012-2014 Arctium Emulation <http://arctium.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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using System;
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using System.Security.Cryptography;
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using System.Text;
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namespace Framework.Cryptography
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{
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public class Sha256
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{
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public Sha256()
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{
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sha = new SHA256Managed();
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sha.Initialize();
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}
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public void Process(byte[] data, int length)
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{
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sha.TransformBlock(data, 0, length, data, 0);
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}
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public void Process(uint data)
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{
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var bytes = BitConverter.GetBytes(data);
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sha.TransformBlock(bytes, 0, 4, bytes, 0);
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}
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public void Process(string data)
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{
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var bytes = Encoding.UTF8.GetBytes(data);
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sha.TransformBlock(bytes, 0, bytes.Length, bytes, 0);
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}
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public void Finish(byte[] data, int length)
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{
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sha.TransformFinalBlock(data, 0, data.Length);
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Digest = sha.Hash;
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}
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public void Finish(byte[] data, int offset, int length)
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{
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sha.TransformFinalBlock(data, offset, length);
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Digest = sha.Hash;
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}
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SHA256 sha;
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public byte[] Digest { get; private set; }
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}
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public class HmacHash : HMACSHA1
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{
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public HmacHash(byte[] key) : base(key, true)
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{
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Initialize();
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}
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public void Process(byte[] data, int length)
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{
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TransformBlock(data, 0, length, data, 0);
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}
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public void Process(uint data)
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{
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var bytes = BitConverter.GetBytes(data);
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TransformBlock(bytes, 0, bytes.Length, bytes, 0);
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}
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public void Process(string data)
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{
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var bytes = Encoding.ASCII.GetBytes(data);
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TransformBlock(bytes, 0, bytes.Length, bytes, 0);
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}
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public void Finish(byte[] data, int length)
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{
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TransformFinalBlock(data, 0, length);
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Digest = Hash;
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}
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public void Finish(string data)
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{
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var bytes = Encoding.ASCII.GetBytes(data);
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TransformFinalBlock(bytes, 0, bytes.Length);
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Digest = Hash;
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}
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public byte[] Digest { get; private set; }
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}
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public class HmacSha256 : HMACSHA256
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{
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public HmacSha256() : base()
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{
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Initialize();
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}
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public HmacSha256(byte[] key) : base(key)
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{
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Initialize();
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}
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public void Process(byte[] data, int length)
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{
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TransformBlock(data, 0, length, data, 0);
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}
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public void Process(uint data)
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{
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var bytes = BitConverter.GetBytes(data);
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TransformBlock(bytes, 0, bytes.Length, bytes, 0);
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}
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public void Process(string data)
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{
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var bytes = Encoding.ASCII.GetBytes(data);
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TransformBlock(bytes, 0, bytes.Length, bytes, 0);
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}
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public void Finish(byte[] data, int length)
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{
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TransformFinalBlock(data, 0, length);
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Digest = Hash;
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}
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public byte[] Digest { get; private set; }
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}
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}
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