Locksmiths have known for years that anybody with a key to a building whose locks have a master key can create their own master key. But now that such findings by an AT&T researcher are getting wide ...

[url=http://arstechnica.com/civis/viewtopic.php?p=28938103#p28938103:2lk4nfws said: Essense[/url]":2lk4nfws]Im a locksmith by trade, repeat after me. American Eleven ...

This is used to quickly narrow down solutions to a cryptography problem, when some knowledge of the key has been gained. The technique works with pin-and-tumbler locks for which a master key can be ...