phc-discussions - Re: [PHC] A silly (?) consideration for script-friendly hashes

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Message-ID: <CALCETrXaMv88dpsE6jh2jGF3SKWSkNcyaGQyUfemZ0dy-ewtbQ@mail.gmail.com>
Date: Fri, 24 Jan 2014 14:17:56 -0800
From: Andy Lutomirski <luto@...capital.net>
To: discussions <discussions@...sword-hashing.net>
Subject: Re: [PHC] A silly (?) consideration for script-friendly hashes

On Fri, Jan 24, 2014 at 2:16 PM, Larry Bugbee <bugbee@....com> wrote:
> On Jan 24, 2014, at 2:13 PM, Andy Lutomirski <luto@...capital.net> wrote:
>
>> just hash the domain in
>> with the salt before using it to hash a password
>
> Good idea, but why not also add userid?
>
>

Because then you need some kind of trusted input so that scripts can't
just fake the userid.  At that point, you might as well try to use a
protocol like SRP instead.

--Andy