Thought I'd reply to this previous post of mine.  There is now a story
about iOS tracking your location updates and keeping a permanent
database of this information.  (It is also synced to your computer for
you iTunes users that sync your phone)

http://www.wired.com/gadgetlab/2011/04/iphone-tracks/
http://www.cnn.com/2011/TECH/mobile/04/20/iphone.tracking/

Also, the device that the cops in Michigan are carrying doesn't need
your unlock code, it puts your device into flash-mode and just transfers
off the raw files.  Of course, they can decrypt and read these files
like where you have been.

I'm really seriously thinking we need a true community-driven, open
source phone OS.  There just are not any features which can guarantee my
privacy in any of the current phones.



On 4/19/11 9:34 PM, David Kaiser wrote:
> I saw this article on slashdot, but haven't looked into whether these
> claims are true yet.
>
> http://apple.slashdot.org/story/11/04/19/2231240/Michigan-Police-Could-Search-Cell-Phones-During-Traffic-Stops
>
> This sounds like our epic thread of years past about having an encrypted
> laptop when you cross the border and whether or not law enforcement has
> the right to invade your digital privacy without cause.  In this case,
> I'm posing the question about what would be the best way to
> design/build/hack a phone which would behave as follows:
>
> -all user storage (phone contacts, calendar items, e-mails) are kept in
> removable storage like microSD
>
> -microSD chip is mounted via a FUSE like system that uses a strong
> crypto, using a strong key (4096bit or so) with a passphrase that the
> user knows (and allows for more than the standard 4-digit "unlock
> code" size)
>
> -at boot-up, the initialization procedure prompts the user for the strong
> key passphrase before allowing access to the user storage
>
> then if you happen to be driving through Michigan and a cop signals their
> lights to pull you over, you just hold down the power button on your
> phone for 5 seconds, and no matter what crazy device they think can
> crack the typical "unlock codes" to read your files, they wouldn't be
> able to get past your encryption
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