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Comment Re:Femtocells insecure? (Score 3, Informative) 56

They actually run Linux.

And:

"Verizon Wireless released a Linux software update in March that prevents its network extenders from being compromised in the manner reported by Ritter and DePerry, according to company spokesman David Samberg."

http://www.voanews.com/content/reu-researchers-hack-verizon-device/1701880.html

Comment Re:Impossible? (Score 1) 192

And it seems to me that things like the wavelength of light used would have to be matched exactly as well.

Light of different wavelengths refract differently. Blue refracts more than red, for instance.

The two communicating parties could agree on one (or several) exact wavelengths to use with their plates. Anyone who intercepts the plate, without knowing what wavelength was used, wouldn't be able to replicate the process used to generate the key, unless they tried them all, I guess - but even then they wouldn't know how many wavelengths were used.

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