Fix: provider might return null (for decryptedRawBytes variable) when decryption data which leads to an exception here -- decryptedData = Encoding.UTF8.GetString(decryptedRawBytes).Trim('\0');

Author: romangobrey

src/EntityFrameworkCore.DataEncryption/Internal/EncryptionConverter.cs

@@ -62,7 +62,7 @@ private static TModel Decrypt<TInput, TOupout>(TProvider input, IEncryptionProvi
         byte[] decryptedRawBytes = encryptionProvider.Decrypt(inputData);
         object decryptedData = null;
 
-        if (destinationType == typeof(string))
+        if (decryptedRawBytes != null && destinationType == typeof(string))
         {
             decryptedData = Encoding.UTF8.GetString(decryptedRawBytes).Trim('\0');
         }