As for tracking users, you can opt to use telco's location base system (LBS) which is precise to about 500 - 1km depending on the location (buildings, weather, etc.) but using it on real time is limited due to the high amount of resource it uses.
On 9/18/06, Rogelio Serrano <[EMAIL PROTECTED]> wrote:
On 9/18/06, Roger Filomeno <[EMAIL PROTECTED]> wrote:
> Why not use GPRS/3G instead (too slow?) Anyway when using SMS to send data,
> a tandem with a J2me app the does the data encrypting along with unique
> username+pass+mobile#(+ optional date based salt) is better since spoofing
> of mobile numbers in SMS is _almost_ impossible without telco assistance.
how do you spoof the sms then? is the sms equipment a terminal or just
a ubiquitous phone? the only security you need to worry about is the
server receiving the sms and the network where the servers reside.
to prevent the possibility of coerced messages its better to rely on
numbers. like have 20 people sending the tally results. so all you
need to do is establish the reliability and trustworthiness of the
senders months before the election.
and if we can find a way to track the location of the sender then
thats good enough.
--
the thing i like with my linux pc is that i can sum up my complaints in 5 items
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Roger P. Filomeno
Mobile Specialist / R&D
Finger Apps Inc, http://fingerapps.com
Blog: http://corruptedpartition.blogspot.com/
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