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yubikey-otp-miner

A quick Arduino program that helps collect YubiKey OTP tokens.

Parts

This code will work on probably any Arduino. I used the Arduino UNO as I had one laying around. I bought the smallest capacitor I could find at Frys: .1μF 35v. The human body is rated at 100pF capacitance, so I figured something close would help emulate when you touch the token.

Why?

I couldn't find any examples that did this with an Arduino, so I decided to throw one together really quick.

Speed

I tuned the program so that it will collect the tokens as fast as possible. If you try to speed it up more, it will overlap with the previous token request. I was able to collect ~1 token per second.

Demo

Watch the video

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A quick Arduino program that helps collect YubiKey OTP tokens

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