EEVblog #762 - How Secure Are Electronic Safe Locks?

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  • Published on:  7/5/2015
  • How secure are electronic locks used on safes?
    Dave tries a basic first attempt power line analysis attack on a standard La Gard (LG) 3740/3750 Basic electronic digital lock on a CMI home safe.
    Can you crack an electronic digital safe lock with just a resistor and an oscilloscope?
    All sorts of safe cracking techniques are discussed - thermal camera imaging, bumping, drilling, and spiking the solenoid.
    And naturally there is a complete teardown of the La Gard lock and a demonstration on how it works.
    And then Dave does something incredibly dumb, and has to fix it the old fashioned way, Hollywood style.
    It's a tail of epic fails and stunning wins.
    Part 2 is here: https://www.201tube.com/video/mdnHHNeesPE/video.html

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

    http://www.kaba-mas.com/media/654586/v4/File/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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