How to make a master-key. (for RL locks on doors etc)

[Manko]

Just read CRYPTO-GRAM, February 15, 2003. (A sometimes interesting newsletter.)

Code:

Back issues are available at 

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to crypto-gram-subscribe@chaparraltree.com.

And saw this article about a guy at AT&T Labs who applied an "oracle attack" to master-key-lock systems producing a master-key in minutes.
Is your door safe? :P

Code:

Blaze's home page for his research:





The paper itself:





The reaction to the paper:





News articles on the research:







Previous web references to Blaze's technique:





Jewel theft using the master key vulnerability:

/Manko