full-disclosure - Re: [FD] Master Lock random key code generation/distribution Fails

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Message-ID: <CAKdd5H9nyEO5C9fX=Cao_Kp_1bgEvgZ0tr3hEAzMBSmtB=p_6A@mail.gmail.com>
Date: Wed, 26 Mar 2014 11:32:51 -1000
From: WebDawg <webdawg@...il.com>
To: Jimb0 Hon1nbo <hon1nbo.list@...il.com>
Cc: fulldisclosure@...lists.org
Subject: Re: [FD] Master Lock random key code generation/distribution Fails

Intresting.  I have actually found the opposite of what you are talking
about at home depots.
On Mar 26, 2014 11:21 AM, "Jimb0 Hon1nbo" <hon1nbo.list@...il.com> wrote:

> First this is not a physical finding in the normal sense, but a finding
> that Master Lock does not properly generate key codes differing in each
> batch, or that they do not randomize distribution of said key codes.
>
> After visiting a home depot, I found the following problem: among every
> model of padlock with a key, each model was matched in key codes for the
> entire model stock. I walked in for one set of matching locks (a little
> three or four pack), and I walked out with multiple sets all matched (will
> I trust these locks, no). WE checked every lock in stock and they all had
> the same issue.
>
> Example, every if buying Master Lock model "A", every model "A" would have
> the same key code.
> If model "B," every model "B" has the same key code.
>
> This means that with every stock a store like Home Depot receives, there is
> only one key combination for each model of lock. If a store only receives a
> few shipments a month, then there are only a few possible keys. If that
> store happens to be a large, if not only, source of locks in the area, then
> you have the probable key combination at each store
>
> attached is a photo I took showing a matched set I pulled off the shelf to
> buy when I found it.
>
> PS: This is not the special order contractor stuff that is designed to have
> the same key code, but individual packaged products on the shelf.
>
>
> -Hon1nbo
>
>
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