Hi Nemik,

Please, could you tell me how do you enable the SMX in the nexus s
configuration and change the mode in the Nfcservice? So far, I can
read and write tags,

Regards
gusdgg

On 10 ene, 04:51, Ajith Kamath <[email protected]> wrote:
> Hi Nemik
>
> I'm running over the libnfc code.
> I can see these 4 files to be prominent for communication with SE
>
> phHciNfc_CE_A.c
> phHciNfc_CE_B.c
>
> I am thinking the above two might be used for R/W into SE from App
> Processor.
> And the below two is used for communication between NFC Controller and SE.
>
> phHciNfc_SWP.c
> phHciNfc_WI.c
>
> Please go through these files and let me know if I'm in right path.
>
> Regards,
> Ajith
>
>
>
> On Mon, Jan 10, 2011 at 11:44 AM, nemik <[email protected]> wrote:
> > Ajith,
>
> > According to
> >http://discussion.forum.nokia.com/forum/showthread.php?199442-6212-de...
> > the CN072 is a secure element in the Smart MX family. I'm not sure the
> > same one is in the Nexus S, but I presume the one in there is at least
> > very similar.
>
> > Here is the info on it:
> >http://www.nxp.com/acrobat_download2/other/identification/SFS107710.pdf
>
> > I'm still trying to figure out how to get access to it as well, for
> > reading or writing. I doubt there are any specific commands for it
> > though, it just takes regular commands over ISO14443 just like other
> > MiFare cards.
>
> > On Jan 9, 11:31 pm, Ajith Kamath <[email protected]> wrote:
> > > Hi Nemik
>
> > > * I have small doubt with current implementation. Is SmartMX a Secure
> > > Element ?If so can you give me examples?
> > > * I have checked libnfc-nxp , enabling P2P parameter was  at
> > phnfcconfig.h.
> > > what needs to be done to enable Secure element?
> > > what are MifarePlus, Desfire, Topaz . Is it a Card type or Secure
> > Element?
>
> > > * Also where is the general read-write methods for entry of Secure
> > element.
> > > All I can see is phLibNfc_SE.c is methods for getting list of secured
> > > element, selecting secure element, deselecting.
> > > * But method for exchange of data is not present. Can you tell me where
> > can
> > > I find this?
>
> > > * In libnfc-nxp There are files like  phFriNfc_NdefMap.c,
> > > phFriNfc_MifareULMap.c,  phFriNfc_TopazMap.c, phFriNfc_TopazDynamicMap.c,
> > > phFriNfc_DesfireMap.c, phFriNfc_FelicaMap.c.
> > > Can you tell me what these files are used for. The current comments in
> > the
> > > file do not provide sufficient information
>
> > > * I am trying to use Wired Mode, Hence phHciNfc_WI.c will be used to
> > > communicate between Controller and Secure element right?
>
> > > Please advice.
>
> > > Regards,
> > > Ajith
>
> > > Hi
>
> >  > On Sun, Jan 9, 2011 at 1:00 AM, nemik <[email protected]> wrote:
> > > > I was able to enable a secure element the other day by messing around
> > > > with this external/libnfc-nxp library. I enabled SMX (SmartMX) in the
> > > > config headers, and upon booting and monitoring `adb logcat` during
> > > > boot I saw 1 secure elements (a SmartMX one) had been enabled. I was
> > > > then able to change the mode in NfcService.java to card emulation
> > > > mode.
>
> > > > The Nexus S is now emulating a MiFare Classic 4k card. However, I am
> > > > not able to read sectors from the card directly. I've been trying to
> > > > use the micmd tool to do that but things act pretty strangely. For
> > > > example, I tried to read block 0 and micmd tells me "Could not read
> > > > the data block! Tag halted, reconnecting..." but what's even stranger
> > > > is that at that point, 'adb logcat' shuts itself off. As if that read
> > > > command somehow interfered with USB or logging?
> > > > However trying `a` commands to authenticate in micmd always works for
> > > > some reason and it'll even pretent to write and persist data to
> > > > blocks; but of course that data never actually gets persisted to the
> > > > emulated card. Maybe this is a bug in micmd?
>
> > > > Does anyone know if the Nexus S hardware (or its PN544 NFC chipset)
> > > > even contains a hardware secure element like SmartMX? I tried also
> > > > enabling UICC but that didn't seem to work at all and NFC service
> > > > wouldn't even start in that case. Plus my SIM card is MANY years old
> > > > and not sure it'd even work...
>
> > > > Either way, I used libnfc.org's `nfc-mfclassic` tool to dump out the
> > > > contents of that emulated 4k card. It is here:
> > > >http://pastebin.com/zKZ2ELcw
>
> > > > Seems to be entirely blank which is why I'm wondering if these aren't
> > > > some default values it would spit out anyway even if no SmartMX module
> > > > existed?
>
> > > > If anyone has any more insights into this, I'd be very happy to hear
> > > > them.
>
> > > > -Nemanja
>
> > > > On Dec 19 2010, 7:26 pm, nemik <[email protected]> wrote:
> > > > > Dominik,
>
> > > > > Yea, that's right. All it does currently is read; at least via the
> > > > > Java API. If you look at the kernel source though, a bunch of ifdefs
> > > > > which allow for emulation were all disabled. So full compliance with
> > > > > theNFCstandard will have to wait for a future kernel release.
>
> > > > > On Dec 7, 5:42 am, Gruntz Dominik <[email protected]> wrote:
>
> > > > > > Hi everyone,
>
> > > > > > Do I see it right, that the Android 2.3NFCAPI does not provide
> > > > functionality to access a secure element? A secure element is a
> > smartcard
> > > > connected to theNFCcontroller, i.e. a secure storage in the device,
> > either
> > > > embedded in the mobile phone, on the SIM card or on a SD card.
>
> > > > > > With JavaME access to the secure element was provided with JSR177
> > which
> > > > supported the communication with smart card applications usind APDU
> > > > commands. I have not seen comparable functionality in package
> > android.nfc.
>
> > > > > > Thanks for any hints
> > > > > > Dominik
>
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