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Myonium myonium at gmail.comOn Feb 15, 2012, at 11:14 AM, Holger Hans Peter Freyther wrote: > Before one starts: > Are you sure that the data is missing in the 'URB', in contrast to the host > utility losing them when splitting APDUs? Yes, I printed out the URB from simtrace. That was the way I discovered the missing bytes. Of cause the APDU analyzer screws up if a byte is missing. Missing bytes were (in all cases I analyzed) always between URB chunks. Please find below 2 samples: Sample A.) In this case between URB a.) and b.) the byte "7F" gets lost. The last APDU should be " 80 C2 00 00 14 D8 00 05 6F 00 C0 4B 4E 7F BD 81 87 00 04 4D 53 43 4D 05 00". ATR APDU: 3b 16 96 41 73 74 72 69 64 a.)URB: 01 00 00 00 80 c2 00 00 28 c2 d8 00 01 6f 00 f5 ef bf b1 8c 76 16 00 0e 43 6f 6e 74 65 6e 74 4d 61 6e 61 67 65 72 00 c0 4b 4e 7f bd 00 04 4d 53 43 4d 61 05 00 c0 00 00 05 c0 01 00 00 00 05 90 00 80 c2 00 00 12 c2 d8 00 05 6f 00 c0 4b 4e 7f bd de ec 00 04 4d 53 43 4d 61 0f 00 c0 00 00 0f c0 00 d2 5d 1c 11 27 00 07 37 2e 31 2e 30 2e 30 90 00 80 c2 00 00 14 c2 d8 00 05 6f 00 c0 4b 4e APDU: 80 c2 00 00 28 d8 00 01 6f 00 f5 ef bf b1 8c 76 16 00 0e 43 6f 6e 74 65 6e 74 4d 61 6e 61 67 65 72 00 c0 4b 4e 7f bd 00 04 4d 53 43 4d 61 05 APDU: 00 c0 00 00 05 01 00 00 00 05 90 00 APDU: 80 c2 00 00 12 d8 00 05 6f 00 c0 4b 4e 7f bd de ec 00 04 4d 53 43 4d 61 0f APDU: 00 c0 00 00 0f 00 d2 5d 1c 11 27 00 07 37 2e 31 2e 30 2e 30 90 00 b.)URB: 01 00 00 00 bd 81 87 00 04 4d 53 43 4d 05 00 61 1a 00 c0 00 00 1a c0 00 d2 5d 1c 45 a3 00 00 00 10 2e 4e 45 54 57 01 13 51 21 9c 77 14 27 14 ff ff 90 00 80 c2 00 00 12 c2 d8 00 05 6f 00 c0 4b 4e 7f bd fa 3b 00 04 4d 53 43 4d 61 12 00 c0 00 00 12 c0 00 d2 5d 1c 45 a3 00 00 00 08 ef d2 66 21 9d 45 61 5c 90 00 80 c2 00 00 1e c2 d8 00 05 6f 00 c0 4b 4e 7f bd 24 fe 00 04 4d 53 43 4d 00 APDU: 80 c2 00 00 14 d8 00 05 6f 00 c0 4b 4e bd 81 87 00 04 4d 53 43 4d 05 00 61 1a 00 Sample B.) In this Sample the byte "BD" is lost. (Again the last APDU should be " 80 C2 00 00 14 D8 00 05 6F 00 C0 4B 4E 7F BD 81 87 00 04 4D 53 43 4D 05 00".) ATR APDU: 3b 16 96 41 73 74 72 69 64 URB: 01 00 00 00 80 c2 00 00 28 c2 d8 00 01 6f 00 f5 ef bf b1 8c 76 16 00 0e 43 6f 6e 74 65 6e 74 4d 61 6e 61 67 65 72 00 c0 4b 4e 7f bd 00 04 4d 53 43 4d 61 05 00 c0 00 00 05 c0 01 00 00 00 05 90 00 80 c2 00 00 12 c2 d8 00 05 6f 00 c0 4b 4e 7f bd de ec 00 04 4d 53 43 4d 61 0f 00 c0 00 00 0f c0 00 d2 5d 1c 11 27 00 07 37 2e 31 2e 30 2e 30 90 00 80 c2 00 00 14 c2 d8 00 05 6f 00 c0 4b 4e APDU: 80 c2 00 00 28 d8 00 01 6f 00 f5 ef bf b1 8c 76 16 00 0e 43 6f 6e 74 65 6e 74 4d 61 6e 61 67 65 72 00 c0 4b 4e 7f bd 00 04 4d 53 43 4d 61 05 APDU: 00 c0 00 00 05 01 00 00 00 05 90 00 APDU: 80 c2 00 00 12 d8 00 05 6f 00 c0 4b 4e 7f bd de ec 00 04 4d 53 43 4d 61 0f APDU: 00 c0 00 00 0f 00 d2 5d 1c 11 27 00 07 37 2e 31 2e 30 2e 30 90 00 URB: 01 00 00 00 7f 81 87 04 4d 53 43 4d 05 00 61 1a 00 c0 00 00 1a c0 00 d2 5d 1c 45 a3 00 00 00 10 2e 4e 45 54 57 01 13 51 21 9c 77 14 27 14 ff ff 90 00 80 c2 00 00 12 c2 d8 00 05 6f 00 c0 4b 4e 7f bd fa 3b 00 04 4d 53 43 4d 61 12 00 c0 00 00 12 c0 00 d2 5d 1c 45 a3 00 00 00 08 51 e6 e0 88 2a 26 cb 51 90 00 80 c2 00 00 1e c2 d8 00 05 6f 00 c0 4b 4e 7f bd 24 fe 00 04 4d 53 43 4d 00 00 APDU: 80 c2 00 00 14 d8 00 05 6f 00 c0 4b 4e 7f 81 87 04 4d 53 43 4d 05 00 61 1a 00 c0 I will try to analyse this ... as I can only spend time in the evenings for that, it will take me some time ... Regards, Ben