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Quickpost: Fixing A Duplicate Key
published on 2023-02-18 00:00:00 UTC by Didier StevensContent:
I had a locksmith make a duplicate key of my mailbox lock, and it didn’t work (didn’t open the lock).
The cutting looked good, I saw no difference with the original key.
Until I noticed this notch:
Turns out this notch accepts this tiny “bump” on the cylinder:
This notch was missing on the duplicate. I milled a notch and now the duplicate key opens the lock:
Quickpost info
https://blog.didierstevens.com/2023/02/18/quickpost-fixing-a-duplicate-key/
Published: 2023 02 18 00:00:00
Received: 2023 02 18 00:20:37
Feed: Didier Stevens
Source: Didier Stevens
Category: Cyber Security
Topic: Cyber Security
Views: 0
