[Cryptography] Order of username and password entry

[Jerry Leichter]

> 
>> In most cases, you can easily clear the information off the screen.  It was harder back in the days of teletypes where what you typed was on a piece of paper.... :-)
> It was quite amusing with our KRONOS system; it would print a line of "I E H" overwriting it with backspace so the dot-matrix printer would not show the password; it looked really funny on a CRT...
This was pretty common - but it only helps hide the response to the *password* prompt.  If you accidentally typed your password at the username prompt, there was no protection; you'd have to go tear of the sheet of paper and somehow obliterate that password.
                                                        -- Jerry