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km3
Joined: 01 Jul 2011
Posts: 2
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 Posted: Fri Jul 01, 2011 5:18 pm Post subject: dbg log files |
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I am using BLADOX SIM-ME Communication Tracing Kit to gather traces of apdu packets. The log files are successfully gathering the packets but the format looks funny. For example one series of transmissions looks like the following:
FROM ME: 00 a4 08 04 02
FROM ME: 2f 05
TO SIM: 00 a4 08 04 02
TO SIM: 2f 05
FROM SIM: 61 19
TO ME: 61 19
I understand from the first line that this is a SELECT apdu packet. However is the file ID '2f 05'? And if so, does the log file normally split up the data portions of a request command from the header?
Lastly I am having trouble understanding the response from the SIM. I have read the GSM11-11 Specs and I cannot understand the '61 19' response.
Any help would surely be appreciated. Thanks. |
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pz
Joined: 12 Mar 2004
Posts: 1161
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| Posted: Sun Jul 03, 2011 8:28 am Post subject: Re: dbg log files |
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| km3 wrote: | I am using BLADOX SIM-ME Communication Tracing Kit to gather traces of apdu packets. The log files are successfully gathering the packets but the format looks funny. For example one series of transmissions looks like the following:
FROM ME: 00 a4 08 04 02
FROM ME: 2f 05
TO SIM: 00 a4 08 04 02
TO SIM: 2f 05
FROM SIM: 61 19
TO ME: 61 19
I understand from the first line that this is a SELECT apdu packet. However is the file ID '2f 05'?
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Yes, this is what ME tries to SELECT
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And if so, does the log file normally split up the data portions of a request command from the header?
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Yes, 5 APDU bytes first, then data.
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Lastly I am having trouble understanding the response from the SIM. I have read the GSM11-11 Specs and I cannot understand the '61 19' response.
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It's USIM using class 0x00, standard ISO 7816 commands and responses.
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Any help would surely be appreciated. Thanks. |
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