After running encryption utility against Web.config file, below is displayed in Web 8.5.
<appSettings />
<database configProtectionProvider="RsaProtectedConfigurationProvider">
In Tridion 2013 SP1, below had been displayed instead.
<database configProtectionProvider="TridionRsaProtectedConfigurationProvider">
<EncryptedData Type="http://www.w3.org/2001/04/xmlenc#Element" xmlns="http://www.w3.org/2001/04/xmlenc#">