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Marek Sebera marek.sebera at gmail.comHi Harald! * using phones that don't use secure/authenticated boot for the BBP, or those where the certificates have leaked and/or exploits are known <>> Do we currently have any candidates? Or list of potential candidates? Are ie. Nexus devices friendlier ? * finding the time to work on the protocol stack beyond classic 2G which is currently implemented in OsmocomBB. <>> Wild idea this might be, but do we need BBP with 2G stack ? Could we settle for LTE-only open BBP ? I'm thinking about doing some chip works and minimizing the software stack based on srsUE Cheers :) Marek On 12/17/2017 01:33 PM, Harald Welte wrote: > Hi Marek! > > On Sun, Dec 17, 2017 at 12:58:00PM +0100, Marek Sebera wrote: >> Silly idea maybe, but would it be possible to port osmocom-bb for >> mediatek/intel/qualcomm BBP and replace the current firmware with open one? > > theoretically possible, yes. > >> I presume it will be a tremendous amount of work, no doubts, but apart from >> that, is it theoretically and technically possible? Given root and/or >> hardware acces of course, we do not need to preserve the old firmware or >> exploit the update process (ie. if specific cert signature is needed for >> bbp-soc firmware update) > > The biggest challenges, from my point of view, are: > > * using phones that don't use secure/authenticated boot for the BBP, or > those where the certificates have leaked and/or exploits are known > * finding significant enough amount of leaked sources or documentation > and/or doing the reverse engineering required to understand how to talk > to the DSP and/or related peripherals > * finding the time to work on the protocol stack beyond classic 2G which > is currently implemented in OsmocomBB. > > Regards, > Harald > -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 851 bytes Desc: OpenPGP digital signature URL: <http://lists.osmocom.org/pipermail/baseband-devel/attachments/20171221/1f5b2ef9/attachment.bin>