phc-discussions - Re: [PHC] Deliberately GPU-friendly password hashes?

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Message-ID: <CAOLP8p7OeytJcwQVfR-15WZ86vufVGhS0-6LVY8y1y8Qyg4-5g@mail.gmail.com>
Date: Thu, 3 Apr 2014 12:23:45 -0400
From: Bill Cox <waywardgeek@...il.com>
To: discussions@...sword-hashing.net
Subject: Re: [PHC] Deliberately GPU-friendly password hashes?

On Thu, Apr 3, 2014 at 12:08 PM, Steve Thomas <steve@...tu.com> wrote:
>> While I agree Steve's anti-parallelism reaction could use an
>> adjustment, I think Steve does have a good point about the API to the
>> password hashing engine.
>
> I feel like I'm taking crazy pills... Oh wait "Parallel" is an algorithm
> I submitted as the name suggests it's very parallel. Although battcrypt,
> my other submission, doesn't have any parallelism I mentioned in the paper
> that it would be good to add but didn't because it would add complexity.
> Also it wouldn't help in PHP since you are using built-in functions for
> encrypting with Blowfish. And if you wrote interlaced Blowfish in PHP it
> would be much slower.

Sorry, Steve.  Big geeks trying to communicate with words... always
problematic, at least for me.

Bill