phc-discussions - Re: [PHC] Client-side hashing (was side-channel stuff)

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Date: Fri, 24 Apr 2015 18:53:25 +0200
From: Krisztián Pintér <pinterkr@...il.com>
To: Sascha Schmidt <sascha.schmidt@...-weimar.de>
CC: discussions@...sword-hashing.net
Subject: Re: [PHC] Client-side hashing (was side-channel stuff)

Sascha Schmidt (at Friday, April 24, 2015, 6:34:04 PM):
> 2015-04-24 18:12 GMT+02:00 Krisztián Pintér <pinterkr@...il.com>:
>> expiration yes, but it is not reckless. it is merely an inconvenience.

>> and we are not talking about months here. we are talking about years.
> I'm pretty sure that this is a common time span for at least some scenarios.

moore's law says 3% increase per month, 20% in half year. if our
security margin is so low we can't afford that, we are screwed anyway,
and it is time to ditch password based identification.

> I just personally have a great aversion of forgotten password routines
> when it comes to usability and security. Maybe I just haven't seen a
> good one yet.

i agree that security is effectively nonexistent. but improving it is
another story. launch the PRPC. as far as usability goes, i see no
problem resetting a password after a year. i do it for some sites 3-4
times a year, minor annoyance. maybe i just got used to it.