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Date: Mon, 24 Jul 2023 01:24:18 +0200
From: Solar Designer <>
Subject: Re: John completes job immediately without result?

On Sun, Jul 23, 2023 at 09:22:30PM +0000, luke me wrote:
> The job exits in less than a second, it is not feasible it would compare the hash of 14M password in this fraction of a second

It is feasible.  This is old PKZIP encryption, which wasn't hardened to
make password guessing slow.

Per the output you shared, the job completes for you in a little over a
second at a speed of 10.7M candidate passwords per second.

> Question: is a very long hash value produced by zip2john normal?

Yes, this is normal.


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