Information Leakage from Keypads : In focus

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In focus

Information Leakage from Keypads

July 2, 2009 20:09

Can anyone guess the entry codes for these door locks?

There are 10,000 possible four-digit codes, but you only have to try 24 on these keypads. The second is almost certainly guessable in one.

Link: http://www.schneier.com/blog/archives/2009/07/info...

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Keywords: information, leakage, from, keypads

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