FreeCalypso > hg > fc-sim-sniff
diff doc/Sniffing-workflow @ 48:1068f9fd41d5
doc: project rename
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Thu, 21 Sep 2023 06:31:34 +0000 |
parents | 432d756a21f1 |
children | 7e87b03dd57d |
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--- a/doc/Sniffing-workflow Thu Sep 21 05:00:50 2023 +0000 +++ b/doc/Sniffing-workflow Thu Sep 21 06:31:34 2023 +0000 @@ -1,7 +1,7 @@ -Workflow for SIM sniffing with SIMtrace3 -======================================== +Workflow for SIM interface sniffing with FC SIMsniff +==================================================== -To sniff ME-to-SIM communication with SIMtrace3, follow this workflow: +To sniff ME-to-SIM communication with FC SIMsniff, follow this workflow: * Assemble the hardware as described in the Sniffing-hw-setup article, and program the serial flash chip on the Icestick board with our sniffer FPGA @@ -20,9 +20,9 @@ with the Icestick oriented horizontally, upper and lower red LEDs on, left and right red LEDs off, center green LED off. -* Run simtrace3-sniff-rx as follows: +* Run simsniff-rx as follows: - simtrace3-sniff-rx /dev/ttyUSBx logfile + simsniff-rx /dev/ttyUSBx logfile The /dev/ttyUSBx device needs to be the one corresponding to FT2232H Channel B on the Icestick board, and you need to specify the name of the log file to be @@ -31,21 +31,21 @@ * Power on the phone, or otherwise cause the ME to bring up its SIM interface. Once the ME applies power to its SIM interface and raises its RST output, the green LED should light on the Icestick, and you should see an stdout message - from simtrace3-sniff-rx that reads "SIM RST is high". + from simsniff-rx that reads "SIM RST is high". * When you power off the phone or cause the modem to shut down its SIM interface - with AT+CFUN=0, the green LED will go out and simtrace3-sniff-rx will print + with AT+CFUN=0, the green LED will go out and simsniff-rx will print "SIM RST is low" on stdout. You can kill the process now, or you can kill it earlier once you've captured enough - but you do need to start each sniffing session from the beginning. -When you run simtrace3-sniff-rx with a logfile argument as recommended above, -there will be very little output on stdout - just SIM RST transition messages -indicating start and end of SIM interface sessions - while all other output gets -written to the log file. +When you run simsniff-rx with a logfile argument as recommended above, there +will be very little output on stdout - just SIM RST transition messages +indicating start and end of SIM interface sessions - while all other output +gets written to the log file. -The main output of simtrace3-sniff-rx - written to the log file if specified or -to stdout otherwise - is very low-level and very voluminuous. Each line +The main output of simsniff-rx - written to the log file if specified or to +stdout otherwise - is very low-level and very voluminuous. Each line corresponds to just one character in the ISO 7816-3 sense passing across the SIM interface, and is logged as the raw 16-bit value received from the FPGA, as described in the Sniffer-FPGA-design document. This low-level logging format