The Lazy Genius

Security News & Brain Dumps from Xavier Ashe, a Bit9 Client Partner

Automated Master Lock Crackers

Posted by Xavier Ashe on July 18, 2006

[xander] sent in links to two machines designed to solve padlocks automatically. The
first one just modified an old robot project
since it already had the necessary stepper motor. The second
one
was built from scratch and includes a solenoid to test the lock. Both systems are just brute forcing the
combination, but they do use some shortcuts. Even though locks have 60 numbers there is less than 20 actual divisions.
Also, multiple final numbers can be tested without putting in the first two. With these two shortcuts there are approx.
400 passes. These machines can solve a lock in about 30 minutes. Of course we’ve shown before that any human can solve
one in about 10 minutes.

From Hack-a-Day.

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