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Martin Paljak martin at martinpaljak.netOn Wed, Mar 21, 2012 at 21:52, Jonathan Thomas <lexington1776 at gmail.com> wrote: > Martin, > > Thank you for your response. It doesn't appear that following those > steps fixes what does appear to be a APDU parsing issue. Take a look > at this set of APDUs and notice that the last APDU should have been: > > a0 b2 04 04 26 b2 ff ff > > but the a0 was appended to the previous line. > APDU: (45): a0 b2 03 04 26 ff ff ff ff ff ff ff ff ff ff ff ff ff ff > ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff > 90 00 a0 > APDU: (7): b2 04 04 26 b2 ff ff Lc is 0x26 which is 38 (dec) yet there are 37 ff-s. Either your phone/card are OK with faulty APDU-s or the simtrace board "lost" a byte (if that is possible, I don't know) Best, Martin > When you say 'reset' I assume you mean that you physically press the > 'Reset' button on the board. Yes. > Any other helpful hints that might fix/bypass this parsing issue? > > Thank you, > Jonathan > > On Wed, Mar 21, 2012 at 2:44 PM, Martin Paljak <martin at martinpaljak.net> wrote: >> Hello, >> >> Your APDU output is garbage because it seems you have broken your host >> side software or reset the board after you powered up your phone. >> >> I experienced similar issues but it usually worked after fixing a >> small apdu parsing bug in simtrace tool after following this: >> >> 1. phone off >> 2. reset simtrace board >> 3. start simtrace application >> 4. power up phone >> >> Martin >> On Tue, Mar 20, 2012 at 16:49, Jonathan Thomas <lexington1776 at gmail.com> wrote: >>> Harald, >>> >>> Thank you for your response. I will try and summarize what we are >>> seeing based on your questions below. >>> >>> The word 'freeze' is probably not accurate as the the simtrace >>> application is still running/executing without receiving a termination >>> signal, etc. What we are experiencing is that the output, both with >>> Wireshark and stdout, stops displaying any APDU traffic. >>> >>> For instance, when I boot up the phone for this first time, the >>> simtrace application will appear to work correctly, but at some point >>> during the reset it will stop displaying APDU traffic. For instance >>> on this run it stops after a response from the SIM: >>> >>> APDU: (183): 03 00 00 fa b0 00 00 00 2f 06 06 90 00 a0 a4 00 00 02 a4 >>> 6f 3a 9f 13 a0 c0 00 00 13 c0 00 00 0d 48 6f 3a 04 00 11 00 22 01 06 >>> 01 22 00 6f 06 03 90 00 a0 a4 00 00 02 a4 7f 20 9f 23 a0 c0 00 00 23 >>> c0 00 00 00 00 7f 20 02 00 00 00 00 00 16 33 02 37 04 00 83 8a 83 8a >>> 00 03 00 00 fa b0 00 00 00 00 2f 06 06 90 00 a0 a4 00 00 02 a4 6f 7e >>> 9f 13 a0 c0 00 00 13 c0 00 00 00 0b 6f 7e 04 00 11 00 44 01 06 00 00 >>> 00 6f 06 06 90 00 a0 a4 00 00 02 a4 6f 07 9f 13 a0 c0 00 00 13 c0 00 >>> 00 00 09 6f 07 04 00 14 00 44 01 06 00 00 00 6f 06 03 90 00 a0 a4 00 >>> 00 02 a4 >>> APDU: (7): 6f 07 9f 13 a0 c0 00 >>> APDU: (7): 00 13 c0 00 00 00 09 >>> APDU: (7): 6f 07 04 00 14 00 44 >>> APDU: (7): 01 06 00 00 00 6f 06 >>> APDU: (7): 03 90 00 a0 a4 00 00 >>> APDU: (7): 02 a4 6f 07 9f 13 a0 >>> APDU: (199): c0 00 00 13 c0 00 00 09 6f 07 04 00 14 00 44 01 06 00 00 >>> 00 6f 06 03 90 00 a0 b0 00 00 09 b0 08 09 10 10 10 32 54 76 98 90 00 >>> a0 b0 00 00 09 b0 08 09 10 10 10 32 54 76 98 90 00 a0 a4 00 00 02 a4 >>> 6f 78 9f 13 a0 c0 00 00 13 c0 00 00 00 02 6f 78 04 00 14 00 44 01 06 >>> 00 00 00 6f 06 05 90 00 a0 b0 00 00 02 b0 00 01 90 00 a0 a4 00 00 02 >>> a4 6f 31 9f 13 a0 c0 00 00 13 c0 00 00 00 01 6f 31 04 00 14 00 44 01 >>> 06 00 00 00 6f 06 05 90 00 a0 b0 00 00 01 b0 00 90 00 a0 a4 00 00 02 >>> a4 6f 30 9f 13 a0 c0 00 00 13 c0 00 00 96 96 6f 30 04 00 11 00 44 01 >>> 06 00 00 00 6f 06 04 90 00 a0 b0 00 00 96 b0 ff ff ff ff >>> >>> After this point it will no longer display (Wireshark or stdout) any >>> APDU traffic. The board itself shows no indication that there are any >>> issues and the process 'simtrace' is still running. If I restart the >>> phone the only APDU I see is the ATR APDU. >>> >>> If I now stop the simtrace application and restart the application I >>> will get the same result on boot up of the phone. If I restart the >>> application after the phone has been completely booted then I will see >>> the status messages between the phone and the SIM for some period of >>> time before that traffic also stops displaying to the screen. >>> >>> After a while I will see this error from the simtrace application: >>> "Error submitting BULK IN urb: No error". >>> >>> An alternative phone will stop displaying APDUs, but at a different >>> location from the first (this doesn't seem to be consistent): >>> >>> APDU: (7): 32 05 83 02 6f 42 a5 >>> APDU: (7): 03 80 01 71 8a 01 05 >>> APDU: (7): 8b 03 6f 06 07 80 02 >>> APDU: (7): 00 fa 88 00 90 00 00 >>> APDU: (7): b2 01 04 32 b2 ff ff >>> >>> Please let me know if I can clarify/focus these issues. >>> >>> Thanks, >>> Jonathan >>> >>> On Sun, Mar 18, 2012 at 6:30 AM, Harald Welte <laforge at gnumonks.org> wrote: >>>> Hi Jonathan, >>>> >>>> sorry to hear you are having trouble. >>>> >>>> On Wed, Mar 14, 2012 at 05:10:35PM -0500, Jonathan Thomas wrote: >>>> >>>>> With testing against all three of the SIMTrace modules we purchased we >>>>> have found the trace appears to lock-up or freeze randomly through >>>>> processing of the APDUs. >>>> >>>> Can you please indicate what exactly seems to trigger those freezes? >>>> Is there any particular phone model or sim card (or combination >>>> thereof)? >>>> >>>> What can you see on the simtrace UART at the time of the freeze? >>>> >>>> Does the USB device re-enumerate (USB reset) when you observe the freeze? >>>> >>>> Does the simtrace program keep running or does it stop? >>>> >>>> Regards, >>>> Harald >>>> -- >>>> - Harald Welte <laforge at gnumonks.org> http://laforge.gnumonks.org/ >>>> ============================================================================ >>>> "Privacy in residential applications is a desirable marketing option." >>>> (ETSI EN 300 175-7 Ch. A6) >>>