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Date: Sat, 12 Aug 2017 05:43:57 -0800
From: Royce Williams <>
Subject: Re: practical limits on password length?

On Fri, Aug 11, 2017 at 10:46 PM, Patrick Proniewski <> wrote:

> Hi,
> On 12 août 2017, at 02:08, Royce Williams wrote:
> > What are the practical limits on password length? Are they docuumented
> > anywhere? I assume that some of them are attack- and/or format-specific?
> you might want to try this:
> ./john --list=format-all-details --format=raw-sha1
> or this kind of thing:
> ./john --list=format-all-details |egrep 'Format label|Max. password length'

Ah, informative. And my john is clearly rusty - thanks!


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