part #2

src/__Libraries/StellaOps.Cryptography.DependencyInjection/CryptoPluginProviderEnumerable.cs

@@ -0,0 +1,19 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using StellaOps.Cryptography;
+
+namespace StellaOps.Cryptography.DependencyInjection;
+
+internal sealed class CryptoPluginProviderEnumerable : IEnumerable<ICryptoProvider>
+{
+    private readonly IReadOnlyList<ICryptoProvider> _providers;
+
+    public CryptoPluginProviderEnumerable(IReadOnlyList<ICryptoProvider> providers)
+    {
+        _providers = providers ?? throw new ArgumentNullException(nameof(providers));
+    }
+
+    public IEnumerator<ICryptoProvider> GetEnumerator() => _providers.GetEnumerator();
+    IEnumerator IEnumerable.GetEnumerator() => GetEnumerator();
+}