I recently read questions about "MAC then Encrypt/Encrypt then MAC" which made me curious about how they actually use the algorithm.
MAC only calculated once either case (according to what I read). However, in my experience surfing website via HTTPS, I think we should check the authenticity in every chunk of data received.
Further more when downloading large file via HTTPS the browser seem to write the decrypted data to the harddisk before receive all portions of the file.
So, I want to ask what scheme browser used to make it sure enough to perform some operation without receive all portions of the file? Or is my info wrong at some point?