Add native nuget.

Aaru6.Checksums/Aaru6.Checksums.csproj

@@ -61,6 +61,7 @@
     <Compile Include="CRC32\arm_simd.cs" />
     <Compile Include="CRC32\vmull.cs" />
     <Compile Include="CRC64\clmul.cs" />
+    <Compile Include="Native.cs" />
     <Compile Include="SpamSumContext.cs" />
     <Compile Include="Adler32Context.cs" />
     <Compile Include="CRC16Context.cs" />
@@ -74,6 +75,7 @@
     </EmbeddedResource>
   </ItemGroup>
   <ItemGroup>
+    <PackageReference Include="Aaru.Checksums.Native" Version="6.0.0-alpha6" />
     <PackageReference Include="Aaru.CommonTypes" Version="5.3.0" />
     <PackageReference Include="Unclassified.NetRevisionTask" Version="0.4.1" PrivateAssets="all" />
   </ItemGroup>

Aaru6.Checksums/Native.cs

@@ -0,0 +1,41 @@
+using System.Runtime.InteropServices;
+
+namespace Aaru6.Checksums
+{
+    public static class Native
+    {
+        static bool _checked;
+        static bool _supported;
+
+        public static bool IsSupported
+        {
+            get
+            {
+                if(_checked)
+                    return _supported;
+
+                ulong version;
+                _checked = true;
+
+                try
+                {
+                    version = get_acn_version();
+                }
+                catch
+                {
+                    _supported = false;
+
+                    return false;
+                }
+
+                // TODO: Check version compatibility
+                _supported = version >= 0x06000000;
+
+                return _supported;
+            }
+        }
+
+        [DllImport("libAaru.Checksums.Native", SetLastError = true)]
+        static extern ulong get_acn_version();
+    }
+}

AaruBenchmark/Program.cs

@@ -13,21 +13,21 @@ namespace AaruBenchmark
         {
             var config = ManualConfig.Create(DefaultConfig.Instance);
 
-/*            BenchmarkRunner.Run<GzipBenchs>(config);
+            BenchmarkRunner.Run<GzipBenchs>(config);
             BenchmarkRunner.Run<Bzip2Benchs>(config);
             BenchmarkRunner.Run<Adler32Benchs>(config);
             BenchmarkRunner.Run<Crc16CcittBenchs>(config);
             BenchmarkRunner.Run<Crc16Benchs>(config);
             BenchmarkRunner.Run<Crc32Benchs>(config);
             BenchmarkRunner.Run<Crc64Benchs>(config);
-            BenchmarkRunner.Run<Fletcher16Benchs>(config);*/
+            BenchmarkRunner.Run<Fletcher16Benchs>(config);
             BenchmarkRunner.Run<Fletcher32Benchs>(config);
-/*            BenchmarkRunner.Run<Md5Benchs>(config);
+            BenchmarkRunner.Run<Md5Benchs>(config);
             BenchmarkRunner.Run<Sha1Benchs>(config);
             BenchmarkRunner.Run<Sha256Benchs>(config);
             BenchmarkRunner.Run<Sha384Benchs>(config);
             BenchmarkRunner.Run<Sha512Benchs>(config);
-            BenchmarkRunner.Run<SpamSumBenchs>(config);*/
+            BenchmarkRunner.Run<SpamSumBenchs>(config);
         }
     }
-}
+}