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smackfu
on June 12, 2012
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I know someone whose 2-factor phone authentication...
Does anyone know how this works? It reminds me of a RSA SecurID but since it's only in software, can't it be reverse engineered?
mryan
on June 12, 2012
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It uses TOTP -
http://en.wikipedia.org/wiki/Time-based_One-time_Password_Al...
abraham
on June 12, 2012
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The app is open source
https://code.google.com/p/google-authenticator/
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