[DO NOT MERGE] Try to diagnose dotnet#57416

Supposedly, this will tell us whether the crypto bridge into LSASS is broken.  It may require multiple runs.

src/DataProtection/DataProtection/test/Microsoft.AspNetCore.DataProtection.Tests/XmlEncryption/EncryptedXmlDecryptorTests.cs

@@ -1,4 +1,4 @@
-// Licensed to the .NET Foundation under one or more agreements.
+// Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using System.Security.Cryptography;
@@ -12,6 +12,18 @@ namespace Microsoft.AspNetCore.DataProtection.Test.XmlEncryption;
 
 public class EncryptedXmlDecryptorTests
 {
+    [Fact]
+    public void Diagnose57416_ShouldWork()
+    {
+        RSA.Create().SignData(new byte[] { 1, 2, 3 }, HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1);
+    }
+
+    [Fact]
+    public void Diagnose57416_ShouldFail()
+    {
+        RSACng.Create().SignData(new byte[] { 1, 2, 3 }, HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1);
+    }
+
     [Fact]
     public void ThrowsIfCannotDecrypt()
     {