laforge has uploaded this change for review. ( https://gerrit.osmocom.org/c/pysim/+/34949?usp=email ) Change subject: sysmocom_sja2: Add some de/encode test vectors ...................................................................... sysmocom_sja2: Add some de/encode test vectors This increases test coverage and also shows where we so far only have decoders but no encoders yet Change-Id: I7932bab7c81a2314c1b9477f50b82a46f24d074e --- M pySim/sysmocom_sja2.py 1 file changed, 56 insertions(+), 19 deletions(-) git pull ssh://gerrit.osmocom.org:29418/pysim refs/changes/49/34949/1 diff --git a/pySim/sysmocom_sja2.py b/pySim/sysmocom_sja2.py index bfd0ff5..bd9e8a8 100644 --- a/pySim/sysmocom_sja2.py +++ b/pySim/sysmocom_sja2.py @@ -70,18 +70,20 @@ class EF_MILENAGE_CFG(TransparentEF): + _test_de_encode = [ + ( '40002040600000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000020000000000000000000000000000000400000000000000000000000000000008', + {"r1": 64, "r2": 0, "r3": 32, "r4": 64, "r5": 96, "c1": "00000000000000000000000000000000", "c2": + "00000000000000000000000000000001", "c3": "00000000000000000000000000000002", "c4": + "00000000000000000000000000000004", "c5": "00000000000000000000000000000008"} ), + ] def __init__(self, fid='6f21', name='EF.MILENAGE_CFG', desc='Milenage connfiguration'): super().__init__(fid, name=name, desc=desc) - - def _decode_bin(self, raw_bin_data): - u = unpack('!BBBBB16s16s16s16s16s', raw_bin_data) - return {'r1': u[0], 'r2': u[1], 'r3': u[2], 'r4': u[3], 'r5': u[4], - 'c1': u[5].hex(), - 'c2': u[6].hex(), - 'c3': u[7].hex(), - 'c4': u[8].hex(), - 'c5': u[9].hex(), - } + self._construct = Struct('r1'/Int8ub, 'r2'/Int8ub, 'r3'/Int8ub, 'r4'/Int8ub, 'r5'/Int8ub, + 'c1'/HexAdapter(Bytes(16)), + 'c2'/HexAdapter(Bytes(16)), + 'c3'/HexAdapter(Bytes(16)), + 'c4'/HexAdapter(Bytes(16)), + 'c5'/HexAdapter(Bytes(16))) class EF_0348_KEY(LinFixedEF): @@ -99,12 +101,14 @@ class EF_0348_COUNT(LinFixedEF): + _test_de_encode = [ + ( 'fe010000000000', {"sec_domain": 254, "key_set_version": 1, "counter": "0000000000"} ), + ] def __init__(self, fid='6f23', name='EF.0348_COUNT', desc='TS 03.48 OTA Counters'): super().__init__(fid, name=name, desc=desc, rec_len=(7, 7)) - - def _decode_record_bin(self, raw_bin_data, **kwargs): - u = unpack('!BB5s', raw_bin_data) - return {'sec_domain': u[0], 'key_set_version': u[1], 'counter': u[2]} + self._construct = Struct('sec_domain'/Int8ub, + 'key_set_version'/Int8ub, + 'counter'/HexAdapter(Bytes(5))) class EF_SIM_AUTH_COUNTER(TransparentEF): @@ -114,13 +118,15 @@ class EF_GP_COUNT(LinFixedEF): + _test_de_encode = [ + ( '0070000000', {"sec_domain": 0, "key_set_version": 112, "counter": 0, "rfu": 0} ), + ] def __init__(self, fid='6f26', name='EF.GP_COUNT', desc='GP SCP02 Counters'): super().__init__(fid, name=name, desc=desc, rec_len=(5, 5)) - - def _decode_record_bin(self, raw_bin_data, **kwargs): - u = unpack('!BBHB', raw_bin_data) - return {'sec_domain': u[0], 'key_set_version': u[1], 'counter': u[2], 'rfu': u[3]} - + self._construct = Struct('sec_domain'/Int8ub, + 'key_set_version'/Int8ub, + 'counter'/Int16ub, + 'rfu'/Int8ub) class EF_GP_DIV_DATA(LinFixedEF): def __init__(self, fid='6f27', name='EF.GP_DIV_DATA', desc='GP SCP02 key diversification data'): @@ -132,6 +138,11 @@ class EF_SIM_AUTH_KEY(TransparentEF): + _test_de_encode = [ + ( '14000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f', + {"cfg": {"use_sres_deriv_func_2": 0, "use_opc_instead_of_op": 1, "algorithm": "milenage"}, "key": + "000102030405060708090a0b0c0d0e0f", "op_opc": "101112131415161718191a1b1c1d1e1f"} ), + ] def __init__(self, fid='6f20', name='EF.SIM_AUTH_KEY'): super().__init__(fid, name=name, desc='USIM authentication key') CfgByte = BitStruct(Padding(2), @@ -168,6 +179,14 @@ class EF_USIM_SQN(TransparentEF): + _test_de_encode = [ + ( 'd503000200000000000200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000', + {"flag1": {"skip_next_sqn_check": 1, "delta_max_check": 1, "age_limit_check": 0, "sqn_check": 1, + "ind_len": 5}, "flag2": {"rfu": 0, "dont_clear_amf_for_macs": 0, "aus_concealed": 1, + "autn_concealed": 1}, "delta_max": 8589934592, "age_limit": + 8589934592, "freshness": [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0]} ), + ] def __init__(self, fid='af30', name='EF.USIM_SQN'): super().__init__(fid, name=name, desc='SQN parameters for AKA') Flag1 = BitStruct('skip_next_sqn_check'/Bit, 'delta_max_check'/Bit, @@ -224,6 +243,12 @@ class EF_USIM_AUTH_KEY_2G(TransparentEF): + _test_de_encode = [ + ( '14000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f', + {"cfg": {"only_4bytes_res_in_3g": 0, "use_sres_deriv_func_2_in_3g": 0, "use_opc_instead_of_op": 1, + "algorithm": "milenage"}, "key": "000102030405060708090a0b0c0d0e0f", "op_opc": + "101112131415161718191a1b1c1d1e1f"} ), + ] def __init__(self, fid='af22', name='EF.USIM_AUTH_KEY_2G'): super().__init__(fid, name=name, desc='USIM authentication key in 2G context') CfgByte = BitStruct(Padding(1), 'only_4bytes_res_in_3g'/Bit, -- To view, visit https://gerrit.osmocom.org/c/pysim/+/34949?usp=email To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: pysim Gerrit-Branch: master Gerrit-Change-Id: I7932bab7c81a2314c1b9477f50b82a46f24d074e Gerrit-Change-Number: 34949 Gerrit-PatchSet: 1 Gerrit-Owner: laforge <laforge(a)osmocom.org> Gerrit-MessageType: newchange