Added SHA3 from NuGet package

SharpHash/Checksums/SHA3Context.cs

@@ -0,0 +1,145 @@
+//
+//  SHA3Context.cs
+//
+//  Author:
+//       Natalia Portillo <claunia@claunia.com>
+//
+//  Copyright (c) 2015 © Claunia.com
+//
+//  This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+using System.Text;
+using System.IO;
+
+namespace SharpHash.Checksums
+{
+    /// <summary>
+    /// Provides a UNIX similar API to Mohammad Mahdi Saffari's SHA3.
+    /// </summary>
+    public class SHA3Context
+    {
+        SHA3.SHA3 _sha3Provider;
+
+        /// <summary>
+        /// Initializes the SHA3 hash provider
+        /// </summary>
+        public void Init()
+        {
+            _sha3Provider = SHA3.SHA3.Create();
+        }
+
+        /// <summary>
+        /// Updates the hash with data.
+        /// </summary>
+        /// <param name="data">Data buffer.</param>
+        /// <param name="len">Length of buffer to hash.</param>
+        public void Update(byte[] data, uint len)
+        {
+            _sha3Provider.TransformBlock(data, 0, (int)len, data, 0);
+        }
+
+        /// <summary>
+        /// Updates the hash with data.
+        /// </summary>
+        /// <param name="data">Data buffer.</param>
+        public void Update(byte[] data)
+        {
+            Update(data, (uint)data.Length);
+        }
+
+        /// <summary>
+        /// Returns a byte array of the hash value.
+        /// </summary>
+        public byte[] Final()
+        {
+            _sha3Provider.TransformFinalBlock(new byte[0], 0, 0);
+            return _sha3Provider.Hash;
+        }
+
+        /// <summary>
+        /// Returns a hexadecimal representation of the hash value.
+        /// </summary>
+        public string End()
+        {
+            _sha3Provider.TransformFinalBlock(new byte[0], 0, 0);
+            StringBuilder sha3Output = new StringBuilder();
+
+            for (int i = 0; i < _sha3Provider.Hash.Length; i++)
+            {
+                sha3Output.Append(_sha3Provider.Hash[i].ToString("x2"));
+            }
+
+            return sha3Output.ToString();
+        }
+
+        /// <summary>
+        /// Gets the hash of a file
+        /// </summary>
+        /// <param name="filename">File path.</param>
+        public byte[] File(string filename)
+        {
+            FileStream fileStream = new FileStream(filename, FileMode.Open);
+            return _sha3Provider.ComputeHash(fileStream);
+        }
+
+        /// <summary>
+        /// Gets the hash of a file in hexadecimal and as a byte array.
+        /// </summary>
+        /// <param name="filename">File path.</param>
+        /// <param name="hash">Byte array of the hash value.</param>
+        public string File(string filename, out byte[] hash)
+        {
+            FileStream fileStream = new FileStream(filename, FileMode.Open);
+            hash = _sha3Provider.ComputeHash(fileStream);
+            StringBuilder sha3Output = new StringBuilder();
+
+            for (int i = 0; i < hash.Length; i++)
+            {
+                sha3Output.Append(hash[i].ToString("x2"));
+            }
+
+            return sha3Output.ToString();
+        }
+
+        /// <summary>
+        /// Gets the hash of the specified data buffer.
+        /// </summary>
+        /// <param name="data">Data buffer.</param>
+        /// <param name="len">Length of the data buffer to hash.</param>
+        /// <param name="hash">Byte array of the hash value.</param>
+        public string Data(byte[] data, uint len, out byte[] hash)
+        {
+            hash = _sha3Provider.ComputeHash(data, 0, (int)len);
+            StringBuilder sha3Output = new StringBuilder();
+
+            for (int i = 0; i < hash.Length; i++)
+            {
+                sha3Output.Append(hash[i].ToString("x2"));
+            }
+
+            return sha3Output.ToString();
+        }
+
+        /// <summary>
+        /// Gets the hash of the specified data buffer.
+        /// </summary>
+        /// <param name="data">Data buffer.</param>
+        /// <param name="hash">Byte array of the hash value.</param>
+        public string Data(byte[] data, out byte[] hash)
+        {
+            return Data(data, (uint)data.Length, out hash);
+        }
+    }
+}
+

SharpHash/SharpHash.csproj

@@ -31,6 +31,9 @@
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="System" />
+    <Reference Include="SHA3Managed">
+      <HintPath>..\packages\SHA3.0.9.2\lib\net40\SHA3Managed.dll</HintPath>
+    </Reference>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Program.cs" />
@@ -45,6 +48,7 @@
     <Compile Include="Checksums\SHA384Context.cs" />
     <Compile Include="Checksums\SHA512Context.cs" />
     <Compile Include="BigEndianBitConverter.cs" />
+    <Compile Include="Checksums\SHA3Context.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <ItemGroup>
@@ -59,4 +63,7 @@
       </Properties>
     </MonoDevelop>
   </ProjectExtensions>
+  <ItemGroup>
+    <None Include="packages.config" />
+  </ItemGroup>
 </Project>

SharpHash/packages.config

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="SHA3" version="0.9.2" targetFramework="net45" />
+</packages>