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Data encryption

Discussion in 'Motorola Droid 3' started by km75, Aug 22, 2011.

  1. km75
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    km75 New Member

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    Has anyone used the data encryption feature for their D3? More specifically has anyone used the feature to encrypt their sd card and their internal storage? I currently have the phone data encrypted but not anything else. My concern is that when/if I encrypt my sd card that if I try to sync my music, pictures etc to my laptop by way of a usb cable my laptop won't be able to read the data. Is my concern warranted?

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  2. km75
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    km75 New Member

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    Is there anybody out there that uses the data encryption feature for their D3 or no?

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  3. Dmw017
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    Dmw017 New Member

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    Lol yeah I don't use it just to be on the safe side

    Sent from my DROID3 using Tapatalk
  4. km75
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    km75 New Member

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    Well apparently from the lack of responses nobody else does either. Lol. But i would of thought at least one person out there does mobile banking on their phone and felt the need for data encryption. Guess i thought wrong.

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  5. alynch
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    alynch New Member

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    Works fine.

    I just turned it on today, but for device only (not for /sdcard or /sdcard-ext). I'm also rooted, via the manual method.

    It works perfectly fine, with no noticeable slowdowns, even when my D3 is under-clocked to 600mhz using SetCPU. Haven't gotten a bead on battery drain yet, but I'm not too worried. After removing bloatware, before encrypting, I was getting 2 days of use on a charge.

    The reason I haven't encrypted the "external" storage partitions is due to the warnings about not being able to capture video at high data-rates. I have a class 10 microSDHC card, so I might be okay... But I'll wait until I have time to back it up to a tarfile before I test it out.
  6. km75
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    km75 New Member

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    The problem I had with encrypting the sd card/ sd card extension was that when I tried to upload music files to my computer my computer couldnt read the files. So I'm no longer using it. A little off topic but setcpu actually functions correctly for the D3? I'm rooted as well.

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  7. alynch
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    alynch New Member

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    Regarding the USB connectivity, I could see that being an issue. For music, I'm a Google Music user, so that comes down via the network. And as for the rest of my content, I use a combination of rsync/ssh to/from my home storage array or an Amazon EC2 instance (as needed)- and that's over the network, too.

    So in my case, I'm not too worried about not being able to read the storage partitions via USB directly. The fact that I shouldn't be able to, however, does make a lot of sense, however- the filesystem itself is encrypted using eCryptfs.

    I should also be able to extract the encryption keys from the Droid 3's mount daemon and use them to mount the USB storage devices on a local Linux host in a pinch, if worst comes to worst. (Yeah, I'm a UNIX guy.)


    As for SetCPU, it seems to work for me. When I downclock the CPU, multiple apps (Elixir 2, OS Monitor, etc) register the frequency change, as does the Linux/Android kernel itself. Also, Cordy/Angry Birds/etc are a touch slower, and the battery lasts longer.

    -Adam
  8. km75
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    km75 New Member

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    I just thought that once I disabled encryption then all my files would become readable again. If it did that I would still use it. But I am definitely going to give he setcpu a try

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  9. alynch
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    alynch New Member

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    Well, in theory, you could be able to... I haven't played with Moto's implementation with eCryptfs much yet to know for sure, either way. I'm doing that now. Hooray for root!

    -Adam
  10. km75
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    km75 New Member

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    I hear you on that! Lol. In the event you do find a way to make the encrypted data readable by a foreign system I would appreciate it if you would shed further light on the subject

    Sent from my DROID2 using DroidForums
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