THe whole set of bindigns.

SpaceWizards.Sodium.Tests/SecretBoxTest.cs

@@ -0,0 +1,36 @@
+using System.Security.Cryptography;
+using NUnit.Framework;
+using static SpaceWizards.Sodium.Interop.Methods;
+
+namespace SpaceWizards.Sodium.Tests;
+
+[TestFixture]
+public sealed class SecretBoxTest
+{
+    [Test]
+    public unsafe void Test()
+    {
+        var message = RandomNumberGenerator.GetBytes(1024);
+        var cipher = RandomNumberGenerator.GetBytes((int)(1024 + crypto_secretbox_MACBYTES));
+        
+        var key = stackalloc byte[(int)crypto_secretbox_KEYBYTES];
+        var nonce = stackalloc byte[(int)crypto_secretbox_NONCEBYTES];
+        
+        crypto_secretbox_keygen(key);
+        randombytes_buf(nonce, crypto_secretbox_NONCEBYTES);
+        fixed (byte* mPtr = message)
+        fixed (byte* cPtr = cipher)
+        {
+            crypto_secretbox_easy(cPtr, mPtr, (ulong)message.Length, nonce, key);
+        }
+
+        var decrypted = new byte[message.Length];
+        fixed (byte* dPtr = decrypted)
+        fixed (byte* cPtr = cipher)
+        {
+            crypto_secretbox_open_easy(dPtr, cPtr, (ulong)cipher.Length, nonce, key);
+        }
+        
+        Assert.That(decrypted, Is.EquivalentTo(message));
+    }
+}

SpaceWizards.Sodium.Tests/SpaceWizards.Sodium.Tests.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>net6.0</TargetFramework>
+        <Nullable>enable</Nullable>
+
+        <IsPackable>false</IsPackable>
+
+        <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.1.0" />
+        <PackageReference Include="NUnit" Version="3.13.3" />
+        <PackageReference Include="NUnit3TestAdapter" Version="4.2.1" />
+        <PackageReference Include="coverlet.collector" Version="3.1.2">
+          <PrivateAssets>all</PrivateAssets>
+          <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+        </PackageReference>
+    </ItemGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\SpaceWizards.Sodium.Interop\SpaceWizards.Sodium.Interop.csproj" />
+    </ItemGroup>
+
+</Project>