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+ - PIN-Cracking Robot To Be Showed Off At Defcon->

Submitted by Sparrowvsrevolution
Sparrowvsrevolution (1926150) writes "At the Def Con hacker conference in Las Vegas early next month, security researchers Justin Engler and Paul Vines plan to show off the R2B2, or Robotic Reconfigurable Button Basher, a piece of hardware they built for around $200 that can automatically punch PIN numbers at a rate of about one four-digit guess per second, fast enough to crack a typical Android phone's lock screen in 20 hours or less.

Engler and Vines built their bot, shown briefly in a preview video, from three $10 servomotors, a plastic stylus, an open-source Arduino microcontroller, a collection of plastic parts 3D-printed on their local hackerspace's Makerbot 3D printer, and a five dollar webcam that watches the phone's screen to detect if it's successfully guessed the password. The device can be controlled via USB, connecting to a Mac or Windows PC that runs a simple code-cracking program. The researchers plan to release both the free software and the blueprints for their 3D-printable parts at the time of their Def Con talk.

In addition to their finger-like R2B2, Engler and Vines are also working on another version of their invention that will instead use electrodes attached to a phone’s touchscreen, simulating capacitative screen taps with faster electrical signals. That bot, which they’re calling the Capacitative Cartesian Coordinate Brute-force Overlay or C3BO, remains a work in progress, Engler says, though he plans to have it ready for Def Con."

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PIN-Cracking Robot To Be Showed Off At Defcon

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