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Message-ID: <20260827061844.GA4609@openwall.com>
Date: Thu, 27 Aug 2026 08:18:45 +0200
From: Solar Designer <solar@...nwall.com>
To: john-users@...ts.openwall.com
Subject: Re: need an ataxia mode
On Thu, Aug 27, 2026 at 07:34:55AM +0200, Solar Designer wrote:
> On Wed, Aug 26, 2026 at 09:44:52PM -0700, Damien Otis wrote:
> > The previous run returned a line:
> > 1 0:00:00:00 - Algorithm: PBKDF2-SHA1 256/256 AVX2 8x
> > I see 256. is AVX2 the specific instruction set for the standard sha 256?
>
> No. It just uses 256-bit vectors.
>
> > if I’m using openCL does the format change? I guess it wouldn’t be AVX2.
>
> Yes, this line wouldn't say AVX2 then.
>
> Far more importantly, why does this say PBKDF2-SHA1? This wouldn't be
> the case for proper invocation on a "hash" produced by zip2john from a
> zip archive, so you must have been running this incorrectly.
Oh, sorry, I'm wrong. This is actually fine. I confused this line with
a full format name and algorithm name line, but you took it from our log
file where we have these on two different lines. The previous line
probably said:
1 0:00:00:00 - Hash type: ZIP, WinZip (min-len 0, max-len 41 [worst case UTF-8] to 125 [ASCII])
Did it?
Alexander
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