Re: [android-developers] Are Encrypt Opaque Binary Blobs (OBBS) supported?

Did you have any luck?

I created a bug here:

https://code.google.com/p/android/issues/detail?id=53039

I get this in the log when trying to mount the obb file:

10-22 17:12:56.755      166-252/? E/Vold﹕ Error loading mapping table (Invalid argument)

10-22 17:12:56.755      166-252/? E/Vold﹕ ASEC device mapping failed (Invalid argument)

10-22 17:12:56.755      166-252/? W/Vold﹕ Returning OperationFailed - no handler for errno 22

10-22 17:12:56.755      529-599/? E/MountService﹕ Couldn't mount OBB file: -1

the -dump doesn't work either as stated in the bug I created.

Anyone managed to mount an obb file?

possibly encrypted, but at present I'd be happy with an unencrypted file too.

Thanks

Daniele

On Sunday, September 2, 2012 12:12:11 AM UTC+2, JCEDDY wrote:

I've read through the StorageManager docs pretty thoroughly and browsed through mkobb, obbtool, pbkf2gen, and vold code. I'm at the point now where I'll have to really dissect the processes both in the command line creation and how mounting the filesystem on the device works, which I think will take a bit of time (not sure that I want to invest this time at this point). Anyways, thanks for the response.

On Friday, August 31, 2012 2:27:26 AM UTC-7, Nikolay Elenkov wrote:

On Fri, Aug 31, 2012 at 9:42 AM, JCEDDY <james...@gmail.com> wrote:
>
> I'm wondering if anyone else has this working? Since I can't find any
> documentation about the mkobb.sh and obbtool it's hard to know if there is
> something wrong in with my process of creating OBB files, if there's
> something in my environment that's not right, if its a bug in Android or
> encrypted OBBs are just not supported at this time.
>

I think this was never officially announced and as such is not supported.
Last I checked though (a while ago), relevant code seemed complete, so
it might work. Check vold and StorageManager for details and (maybe)
hints as to what the problem is.

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