Unbreakable crypto: Store a 30-character password in your subconscious
A cross-disciplinary team of US neuroscientists and cryptographers have developed a password/passkey system that removes the weakest link in any security system: the human user. It’s ingenious: The system still requires that you enter a password, but at no point do you actually remember the password, meaning it can’t be written down and it can’t be obtained via coercion or torture.
The system, devised by Hristo Bojinov of Stanford University and friends from Northwestern and SRI, relies on implicit learning, a process by which you absorb new information — but you’re completely unaware that you’ve actually learnt anything; a bit like learning to ride a bike. In short, the system teaches the password to a part of your brain that you cannot physically access — but it is still there in your subconscious, just waiting to be tapped.
The process of learning the password (or cryptographic key) involves the use of a specially crafted computer game that, funnily enough, resembles Guitar Hero (pictured below). There are six buttons — S, D, F, J, K, L — and the user has to hit the corresponding key (note) when the circle reaches the bottom (fret). During a typical training session of around 45 minutes, a user will make about 4,000 keystrokes — and here’s the genius bit: Around 80% of those keystrokes are being used to subconsciously teach you a 30-character password.
- Sun, 2011-06-19 07:48
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