Re: Re: Do you trim() usernames and passwords?

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On Tue, Dec 28, 2010 at 11:51 PM, Paul M Foster <paulf@xxxxxxxxxxxxxxxxx> wrote:
> On Tue, Dec 28, 2010 at 11:28:12PM -0500, Joshua Kehn wrote:
>
>> On Dec 28, 2010, at 6:28 PM, Paul M Foster wrote:
>>
>> > On Tue, Dec 28, 2010 at 03:11:56PM -0500, Joshua Kehn wrote:
>> >
>> >> Specifically:
>> >>
>> >>>> Dotan Cohen wrote:
>> >>>>> I seem to have an issue with users who copy-paste their usernames and
>> >>>>> passwords coping and pasting leading and trailing space characters.
>> >>
>> >> Users should not be copy-pasting passwords or usernames. Do not compromise a system to cater to bad [stupid, ignorant, you pick] users. If this is an issue then educate the users.
>> >>
>> >
>> > Wrong. I use a program called pwgen to generate passwords for me, which
>> > I cannot remember. I use another program I built to store them in an
>> > encrypted file. When I have to supply a password which I've forgotten
>> > (as usual), I fire up my password "vault", find the password, and paste
>> > it wherever it's needed. Users would be wise to follow a scheme like
>> > this, rather than using their dog's name or somesuch as their passwords.
>> >
>> > Paul
>> >
>> > --
>> > Paul M. Foster
>> > http://noferblatz.com
>> >
>>
>> What is "wrong?" That users should not be copy-pasting passwords or don't compromise the system?
>>
>> I agree that users should not use weak passwords, but not everyone goes everywhere with a vault. I am more then capable of memorizing 20 or so 16-32 character full set passwords.
>>
>
> And so you assume everyone can do that? I can remember maybe 5 of the
> passwords I regularly need. (I rarely repeat passwords for different
> sites.) In addition, some passwords have been *assigned* to me and
> cannot readily be changed (and are usually difficult to remember). Many
> of the rest I so seldom use that it would be silly to try to remember
> them. Particularly when I do have a password-locked file I can use to
> record them for me.
>
> Under the circumstances I described, I have yet to hear in what way
> copying and pasting passwords compromises security of anything by
> itself. Please enlighten me.

Correct me if I'm wrong, but If you initially type the username and
password into a file, and you have, in my paranoid scenario, a
keylogger you don't know about, it get's logged, but also, i assume it
would get logged if you typed it in as well, on the site, or that
someone could lift the password if given the authority on your system,
correct?

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