| #!/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" |