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Message-ID: <20191130115131.GA2747@openwall.com>
Date: Sat, 30 Nov 2019 12:51:31 +0100
From: Solar Designer <solar@...nwall.com>
To: john-users@...ts.openwall.com
Subject: Re: How does john detect salt
On Fri, Nov 29, 2019 at 09:17:48PM +0000, David Taylor wrote:
> Given a password input such as
>
> $argon2i$m=700000,t=1,p=8$ncckjx4uQTSp37MMsQWtH+SDj+q/kl/RgVsbpuR/dHP6KsWym8oHbCr7Vt161Cd8
>
> how could john detect which of the bytes are salt and which are password?
For this specific input, it can't. That input is invalid.
> If a standard pattern of identifying the bytes which are part of the salt is not possible,
The patterns vary by hash type, and are implemented in the corresponding
JtR formats.
> would any wordlist/dictionary/mask attack still be usable?
Of course, but I don't see how that question is related to what you
asked about salts.
Alexander
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