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EEVblog #762 – How Secure Are Electronic Safe Locks?

Just how secure are electronic locks used on safes?
Dave attempts a basic first attempt power line analysis assault on a typical La Gard (LG) 3740/3750 Basic electronic digital lock on a CMI house safe.
Can you split an electronic digital secure lock with just an oscilloscope and also a resistor?
All types of risk-free breaking strategies are gone over – thermal cam imaging, bumping, drilling, and also surging the solenoid.
And normally there is a total teardown of the La Gard lock and also a demo on how it functions.
As well as after that Dave does something exceptionally stupid, and needs to repair it the old made way, Hollywood design.
It’s a tail of legendary fails and also spectacular wins.
Component 2 is below: https://www.youtube.com/watch?v=mdnHHNeesPE

Online forum: http://www.eevblog.com/forum/blog/eevblog-762-how-secure-are-electronic-safe-locks/

Click to access basic-basic-plus-series-brochure.pdf

ST ST62T25 OTP Microcontroller
http://www.alldatasheet.com/datasheet-pdf/pdf/23746/STMICROELECTRONICS/ST62T25.html

AT93C46 http://www.atmel.com/Images/doc5140.pdf

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