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pySim-shell: Authenticate (3g) support

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This adds support for AUTHENTICATE to the USIM and ISIM application,
based on the newly-introduced 'construct' encoder/decoder support.

Change-Id: Id5697463e29c3dceff98bcf80f5400f7f2bcaa6c
This commit is contained in:
Harald Welte
2021-04-10 10:22:27 +02:00
parent e0f9ef1606
commit 15fae98d2e
4 changed files with 56 additions and 0 deletions
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20
pySim/ts_31_102.py
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@@ -268,6 +268,7 @@ EF_USIM_ADF_map = {
# ADF.USIM
######################################################################
from struct import unpack, pack
from pySim.filesystem import *
from pySim.ts_51_011 import EF_IMSI, EF_xPLMNwAcT, EF_SPN, EF_CBMI, EF_ACC, EF_PLMNsel, EF_AD
from pySim.ts_51_011 import EF_CBMID, EF_CBMIR
@@ -489,6 +490,8 @@ class ADF_USIM(CardADF):
def __init__(self, aid='a0000000871002', name='ADF.USIM', fid=None, sfid=None,
desc='USIM Application'):
super().__init__(aid=aid, fid=fid, sfid=sfid, name=name, desc=desc)
# add those commands to the general commands of a TransparentEF
self.shell_commands += [self.AddlShellCommands()]
files = [
EF_LI(sfid=0x02),
@@ -520,6 +523,23 @@ class ADF_USIM(CardADF):
def decode_select_response(self, data_hex):
return pySim.ts_102_221.decode_select_response(data_hex)
@with_default_category('Application-Specific Commands')
class AddlShellCommands(CommandSet):
def __init__(self):
super().__init__()
authenticate_parser = argparse.ArgumentParser()
authenticate_parser.add_argument('rand', help='Random challenge')
authenticate_parser.add_argument('autn', help='Authentication Nonce')
#authenticate_parser.add_argument('--context', help='Authentication context', default='3G')
@cmd2.with_argparser(authenticate_parser)
def do_authenticate(self, opts):
"""Perform Authentication and Key Agreement (AKA)."""
(data, sw) = self._cmd.card._scc.authenticate(opts.rand, opts.autn)
self._cmd.poutput_json(data)
# TS 31.102 Section 7.3
sw_usim = {
'Security management': {