sysmo-isim-sja2: reset SQN parameters completele
The commandline option -S states that the SQN parameters are reset to default. Actually only the SQN counters are reset. Lets also reset the related configuration parameters as well. Change-Id: Ia1f298a00b0c4f0399afd60fefb8b3c8f3a514ba
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@ -314,18 +314,18 @@ class SYSMO_ISIMSJA2_FILE_EF_USIM_SQN:
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# Flag1:
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# Flag1:
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ind_size_bits = 5 # speficy file length by 2^ind_len
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ind_size_bits = 5 # speficy file length by 2^ind_len
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sqn_check_enabled = True # perform SQN checks below
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sqn_check_enabled = True # perform SQN checks below
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sqn_age_limit_enabled = False # perform age limit check: (SQNms-SQN) <= AGE_LIMIT)
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sqn_age_limit_enabled = True # perform age limit check: (SQNms-SQN) <= AGE_LIMIT)
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sqn_max_delta_enabled = True # perform delta max check: (SWN-SQNms) <= DELTA MAX)
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sqn_max_delta_enabled = True # perform delta max check: (SWN-SQNms) <= DELTA MAX)
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sqn_check_skip_first = True # accept any SQN on the first authentication
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sqn_check_skip_first = True # accept any SQN on the first authentication
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# Flag2:
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# Flag2:
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conceal_autn = True # Conceal the value of AUTN
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conceal_autn = True # Conceal the value of AUTN
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conceal_auts = True # Conceal the value of AUTS
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conceal_auts = True # Conceal the value of AUTS
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no_amf_clear = False # Do not clear AMF when computing MAC-S
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no_amf_clear = True # Do not clear AMF when computing MAC-S
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# Data:
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# Data:
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max_delta = 2**28 << ind_size_bits
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max_delta = 281474976710655
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age_limit = 2**28 << ind_size_bits
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age_limit = 281474976710655
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freshness_data = [0x00] * (6*2**ind_size_bits) # initalize to zero
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freshness_data = [0x00] * (6*2**ind_size_bits) # initalize to zero
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def __init__(self, content = None):
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def __init__(self, content = None):
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@ -848,17 +848,13 @@ class Sysmo_isim_sja2(Sysmo_usim):
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self.sim.card.SELECT_ADF_USIM()
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self.sim.card.SELECT_ADF_USIM()
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self.sim.select(SYSMO_ISIMSJA2_EF_USIM_SQN)
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self.sim.select(SYSMO_ISIMSJA2_EF_USIM_SQN)
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res = self._read_binary(self.sim.filelen)
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ef = SYSMO_ISIMSJA2_FILE_EF_USIM_SQN()
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ef = SYSMO_ISIMSJA2_FILE_EF_USIM_SQN(res.apdu)
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ef.reset()
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self.sim.update_binary(ef.encode())
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self.sim.update_binary(ef.encode())
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if self.has_isim:
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if self.has_isim:
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self.sim.card.SELECT_ADF_ISIM()
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self.sim.card.SELECT_ADF_ISIM()
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self.sim.select(SYSMO_ISIMSJA2_EF_USIM_SQN)
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self.sim.select(SYSMO_ISIMSJA2_EF_USIM_SQN)
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res = self._read_binary(self.sim.filelen)
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ef = SYSMO_ISIMSJA2_FILE_EF_USIM_SQN()
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ef = SYSMO_ISIMSJA2_FILE_EF_USIM_SQN(res.apdu)
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ef.reset()
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self.sim.update_binary(ef.encode())
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self.sim.update_binary(ef.encode())
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print("")
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print("")
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