re-review

Author: DeagleGross

src/DataProtection/DataProtection/src/Managed/ManagedAuthenticatedEncryptor.cs

@@ -416,6 +416,17 @@ public byte[] Encrypt(ArraySegment<byte> plaintext, ArraySegment<byte> additiona
         additionalAuthenticatedData.Validate();
         var plainTextSpan = plaintext.AsSpan();
 
+#if NET10_0_OR_GREATER
+        var size = GetEncryptedSize(plainTextSpan.Length);
+        var retVal = new byte[size];
+
+        if (!TryEncrypt(plainTextSpan, additionalAuthenticatedData.AsSpan(), retVal, out var bytesWritten))
+        {
+            throw Error.CryptCommon_PayloadInvalid();
+        }
+
+        return retVal;
+#else
         try
         {
             var keyModifierLength = KEY_MODIFIER_SIZE_IN_BYTES;
@@ -494,6 +505,7 @@ public byte[] Encrypt(ArraySegment<byte> plaintext, ArraySegment<byte> additiona
             // Homogenize all exceptions to CryptographicException.
             throw Error.CryptCommon_GenericError(ex);
         }
+#endif
     }
 
     private void CalculateAndValidateMac(

src/DataProtection/DataProtection/test/Microsoft.AspNetCore.DataProtection.Tests/Cng/CngAuthenticatedEncryptorBaseTests.cs

@@ -1,7 +1,6 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System.Text;
 using Moq;
 
 namespace Microsoft.AspNetCore.DataProtection.Cng.Internal;