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-rwxr-xr-xpySim-run-gsm.py97
1 files changed, 97 insertions, 0 deletions
diff --git a/pySim-run-gsm.py b/pySim-run-gsm.py
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+++ b/pySim-run-gsm.py
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+#!/usr/bin/env python2
+
+#
+# Utility to run an A3/A8 algorithm on a SIM card
+#
+# Copyright (C) 2018 Alexander Chemeris <alexander.chemeris@gmail.com>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+
+import sys
+from optparse import OptionParser
+from pySim.commands import SimCardCommands
+
+def parse_options():
+
+ parser = OptionParser(usage="usage: %prog [options]",
+ description="Utility to run an A3/A8 algorithm on a SIM card. "
+ "Prints generated SRES and Kc for a given RAND number "
+ "and exits.")
+
+ parser.add_option("-d", "--device", dest="device", metavar="DEV",
+ help="Serial Device for SIM access [default: %default]",
+ default="/dev/ttyUSB0",
+ )
+ parser.add_option("-b", "--baud", dest="baudrate", type="int", metavar="BAUD",
+ help="Baudrate used for SIM access [default: %default]",
+ default=9600,
+ )
+ parser.add_option("-p", "--pcsc-device", dest="pcsc_dev", type='int', metavar="PCSC",
+ help="Which PC/SC reader number for SIM access",
+ default=None,
+ )
+ parser.add_option("-r", "--rand", dest="rand", metavar="RAND",
+ help="16 bytes of RAND value",
+ default=None,
+ )
+
+ (options, args) = parser.parse_args()
+
+ if args:
+ parser.error("Extraneous arguments")
+
+ return options
+
+
+if __name__ == '__main__':
+
+ # Parse options
+ opts = parse_options()
+
+ if opts.rand is None:
+ print("Please specify RAND value")
+ sys.exit(1)
+ if len(opts.rand) != 32:
+ print("RAND must be 16 bytes long")
+ sys.exit(1)
+
+ # Connect to the card
+ if opts.pcsc_dev is None:
+ from pySim.transport.serial import SerialSimLink
+ sl = SerialSimLink(device=opts.device, baudrate=opts.baudrate)
+ else:
+ from pySim.transport.pcsc import PcscSimLink
+ sl = PcscSimLink(opts.pcsc_dev)
+
+ # Create command layer
+ scc = SimCardCommands(transport=sl)
+
+ # Wait for SIM card
+ sl.wait_for_card()
+
+ # Program the card
+ print("Running GSM algorithm with RAND %s" % (opts.rand,))
+
+ # Run GSM A3/A8
+ (res, sw) = scc.run_gsm(opts.rand)
+ if sw == '9000':
+ sres, kc = res
+ print("SRES = %s" % (sres,))
+ print("Kc = %s" % (kc,))
+ else:
+ print("Error %s, result data '%s'" % (sw, res))
+
+ # Done for this card and maybe for everything ?
+ print "Done !\n"