Could you tell me how do you enabled SMX (SmartMX) and set the cardemulation mode? So far, I was able to read and write tags with the Nexus S.
Thanks .gusdgg On 8 ene, 16:30, nemik <ne...@nemik.net> 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 cardemulation > 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 PN544NFCchipset) > even contains a hardware secure element like SmartMX? I tried also > enabling UICC but that didn't seem to work at all andNFCservice > 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 <ne...@nemik.net> 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 foremulationwere all disabled. So full compliance with > > theNFCstandard will have to wait for a future kernel release. > > > On Dec 7, 5:42 am, Gruntz Dominik <dominik.gru...@fhnw.ch> 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- Ocultar texto de la cita - > > - Mostrar texto de la cita - -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
