Alexander Chemeris | 6a38c4a | 2018-01-26 16:24:27 +0900 | [diff] [blame] | 1 | #!/usr/bin/env python2 |
| 2 | |
| 3 | # |
| 4 | # Utility to run an A3/A8 algorithm on a SIM card |
| 5 | # |
| 6 | # Copyright (C) 2018 Alexander Chemeris <alexander.chemeris@gmail.com> |
| 7 | # |
| 8 | # This program is free software: you can redistribute it and/or modify |
| 9 | # it under the terms of the GNU General Public License as published by |
| 10 | # the Free Software Foundation, either version 2 of the License, or |
| 11 | # (at your option) any later version. |
| 12 | # |
| 13 | # This program is distributed in the hope that it will be useful, |
| 14 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | # GNU General Public License for more details. |
| 17 | # |
| 18 | # You should have received a copy of the GNU General Public License |
| 19 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 20 | # |
| 21 | |
| 22 | import sys |
| 23 | from optparse import OptionParser |
| 24 | from pySim.commands import SimCardCommands |
| 25 | |
| 26 | def parse_options(): |
| 27 | |
| 28 | parser = OptionParser(usage="usage: %prog [options]", |
| 29 | description="Utility to run an A3/A8 algorithm on a SIM card. " |
| 30 | "Prints generated SRES and Kc for a given RAND number " |
| 31 | "and exits.") |
| 32 | |
| 33 | parser.add_option("-d", "--device", dest="device", metavar="DEV", |
| 34 | help="Serial Device for SIM access [default: %default]", |
| 35 | default="/dev/ttyUSB0", |
| 36 | ) |
| 37 | parser.add_option("-b", "--baud", dest="baudrate", type="int", metavar="BAUD", |
| 38 | help="Baudrate used for SIM access [default: %default]", |
| 39 | default=9600, |
| 40 | ) |
| 41 | parser.add_option("-p", "--pcsc-device", dest="pcsc_dev", type='int', metavar="PCSC", |
| 42 | help="Which PC/SC reader number for SIM access", |
| 43 | default=None, |
| 44 | ) |
| 45 | parser.add_option("-r", "--rand", dest="rand", metavar="RAND", |
| 46 | help="16 bytes of RAND value", |
| 47 | default=None, |
| 48 | ) |
| 49 | |
| 50 | (options, args) = parser.parse_args() |
| 51 | |
| 52 | if args: |
| 53 | parser.error("Extraneous arguments") |
| 54 | |
| 55 | return options |
| 56 | |
| 57 | |
| 58 | if __name__ == '__main__': |
| 59 | |
| 60 | # Parse options |
| 61 | opts = parse_options() |
| 62 | |
| 63 | if opts.rand is None: |
| 64 | print("Please specify RAND value") |
| 65 | sys.exit(1) |
| 66 | if len(opts.rand) != 32: |
| 67 | print("RAND must be 16 bytes long") |
| 68 | sys.exit(1) |
| 69 | |
| 70 | # Connect to the card |
| 71 | if opts.pcsc_dev is None: |
| 72 | from pySim.transport.serial import SerialSimLink |
| 73 | sl = SerialSimLink(device=opts.device, baudrate=opts.baudrate) |
| 74 | else: |
| 75 | from pySim.transport.pcsc import PcscSimLink |
| 76 | sl = PcscSimLink(opts.pcsc_dev) |
| 77 | |
| 78 | # Create command layer |
| 79 | scc = SimCardCommands(transport=sl) |
| 80 | |
| 81 | # Wait for SIM card |
| 82 | sl.wait_for_card() |
| 83 | |
| 84 | # Program the card |
| 85 | print("Running GSM algorithm with RAND %s" % (opts.rand,)) |
| 86 | |
| 87 | # Run GSM A3/A8 |
| 88 | (res, sw) = scc.run_gsm(opts.rand) |
| 89 | if sw == '9000': |
| 90 | sres, kc = res |
| 91 | print("SRES = %s" % (sres,)) |
| 92 | print("Kc = %s" % (kc,)) |
| 93 | else: |
| 94 | print("Error %s, result data '%s'" % (sw, res)) |
| 95 | |
| 96 | # Done for this card and maybe for everything ? |
| 97 | print "Done !\n" |