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Date: Thu, 1 Jun 2023 20:56:00 +0200
From: Solar Designer <>
Subject: Re: "No hashes found" when argon2id is present?

On Thu, Jun 01, 2023 at 12:51:36PM -0400, Thomas Ward wrote:
> I have a file with an `argon2id` hash in it, specifically this one (this 
> is a test hash with 'Passw0rd' as the password, not an actual password) 
> generated from the PyPI `argon2-cffi` library:
> $argon2id$v=19$m=65536,t=4,p=2$w6DmOoIk0tVKDoXEeaYE0ZB9KqZ6Uw$zO3D4nlA9JAS6j/tZGXT0NY0ZzRIPPYLBogo2ObLiLY
> When I try and pass this file to john, it says "no hashes found".  Is 
> john incapable of processing argon2id hashes?

That's correct.  We need to update the Argon2 implementation as part of
this issue:


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