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PROJECTS Arduino

Combo Breaker - Motorized Combo Lock Cracking Device with Arduino

DFRobot Jun 09 2015 383
 
DFRobot


Combo Breaker is a motorized, battery powered, 3D printed, Arduino-based combination lock cracking device. It is portable, open source, 3D models provided, and exploits a new technique developed by Samy Kamkar for cracking combination locks in 8 attempts or less, but in an even more exciting, automated fashion.
 
DFRobot


Connect the combo breaker to any Master Lock, switch on, the breaker will automatically detects and opens the lock.

How does it work? Combo Breaker does not use simple exhaustive crack, instead it uses mathematical crack and anyone with a little training can break any a low-end Master Lock within 8 minutes. This technique takes advantage of the combination of a manufacturing defect: combination lock U lock on the rotor in the rotation will be pulled up, unlock the person can feel certain Numbers of resistance is different, can know the number plate position, know the digital combination lock. Plus Mr. Kamkar through mathematical decoding and encoding web tools, narrowing the scope of the password, it is easier to find out the password. In this manual decoding method is very simple, Ars Technica editors to test the method, the results through dozens of tests, most people solved the lock.

Point of Contact: @SamyKamkar // http://samy.pl

Video demonstration / explanation: https://youtu.be/YcpSvHpbHQ4

Released: May 14, 2015

Source code / 3D models: https://github.com/samyk/combobreaker

Unit Cost: < $100

Status: Operational, open source, open hardware, declassified.

Source:Samy.pl
 
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