[cryptography] Mobile Devices and Location Information as Entropy?

Jeffrey Walton noloader at gmail.com
Sat Apr 2 04:10:18 EDT 2011


Hi Guys,

Given a mobile device with GPS location data available, is there any
benefit to using the location data as an entropy source?

I'm wondering how useful GPS coordinates are if an adversary can
determine location by triangulating a carrier's cell tower data.

Jeff



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