On Tue, Dec 30, 2008 at 09:48:04PM +0100, Stefan de Konink wrote: > Subject: Re: [OSM-dev] TomTom map format > > Matthias Rötsch wrote: > > is there already someone how is analysing the TomTom map format or are > > there small bits of knowledge about it? > > I want to give it a try, even if it leads to nothing. But I just have > > few experience with file format reverse engineering. > > We have looked at the postcode format that revealed a bit of the used > strings. If you really want to work on decryption I suggest taking qemu > and trying out to run the arm binary of a 'specific' embedded release. > It is quite obvious that you must be able to run it in the qemu debugger... > > > At a first look it seems quiet structured, not compressed and at least > > not entirely encrypted. > > I have the same observation; I wouldn't be surprised if they first > define the scope of the structures in the file format to be compatible > between every release that is using that interpreter; and then bit > efficient encode it.
I'd be interested in bit hacking too - Have the findings been documented somewhere? Would a seperate list make sense? Flo -- Florian Lohoff [email protected] +49-171-2280134 Those who would give up a little freedom to get a little security shall soon have neither - Benjamin Franklin
signature.asc
Description: Digital signature
_______________________________________________ dev mailing list [email protected] http://lists.openstreetmap.org/listinfo/dev
