Add support for reading misc. MILENAGE parameters
We now can read * IDX, MAX_DELTA and AGE_LIMIT parameters * whether or not SQN, age and max delta are enforced * SEQ array * Authentication Counter
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@ -51,6 +51,7 @@ def helptext():
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print " -C, --set-opc HEXSTRING ........ Set OPc value"
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print " -k, --ki ....................... Show KI value"
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print " -K, --set-ki ................... Set KI value"
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print " -s --seq-parameters ........... Show MILENAGE SEQ/SQN parameters"
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print ""
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@ -72,15 +73,17 @@ def main(argv):
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getopt_write_ki = None
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getopt_force = False
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getopt_write_iccid = None
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getopt_seq_par = False
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# Analyze commandline options
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try:
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opts, args = getopt.getopt(argv,
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"hva:ucmtT:lL:oO:C:kK:fiI:",
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"hva:ucmtT:lL:oO:C:kK:fiI:s",
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["help","verbose","adm1=","usim","classic",
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"mode","auth","set-auth=","milenage",
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"set-milenage","opc","set-op=","set-opc=",
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"ki","set-ki=","force","iccid","set-iccid="])
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"ki","set-ki=","force","iccid","set-iccid=",
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"seq-parameters"])
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except getopt.GetoptError:
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print " * Error: Invalid commandline options"
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sys.exit(2)
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@ -121,6 +124,8 @@ def main(argv):
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getopt_force = True
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elif opt in ("-I", "--set-iccid"):
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getopt_write_iccid = asciihex_to_list(pad_asciihex(arg))
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elif opt in ("-s", "--sqe-parameters"):
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getopt_seq_par = True
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if not getopt_adm1:
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@ -185,6 +190,10 @@ def main(argv):
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sysmo_usim_show_milenage_params(sim)
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print("")
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if getopt_seq_par:
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print "Reading Milenage Sequence parameters..."
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sysmo_usim_read_milenage_sqn_params(sim)
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if getopt_write_op:
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print "Writing OP value..."
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sysmo_usim_write_opc_params(sim, 0, getopt_write_op)
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@ -60,6 +60,10 @@ SYSMO_USIMSJS1_EF_OPC = [0x00, 0xF7]
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SYSMO_USIMSJS1_DF_AUTH = [0x7F, 0xCC] #FIXME: Manual does not mention name, just called it "DF_AUTH" might be wrong!
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SYSMO_USIMSJS1_EF_AUTH = [0x6F, 0x00]
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SYSMO_USIMSJS1_EF_MLNGC = [0x6F, 0x01]
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SYSMO_USIMSJS1_EF_SQNC = [0x00, 0xFB] # ADF.USIM
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SYSMO_USIMSJS1_EF_SQNA = [0x00, 0xFA] # ADF.USIM
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SYSMO_USIMSJS1_EF_EFMLNG = [0x00, 0xFB] # ADF.USIM
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SYSMO_USIMSJS1_EF_AC = [0x00, 0xFE] # ADF.USIM
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# CHV Types
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SYSMO_USIMSJS1_ADM1 = 0x0A
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@ -131,6 +135,62 @@ class SYSMO_USIMSJS1_FILE_EF_MLNGC:
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dump += " R5: " + str(hex(self.R5))
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return dump
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class SYSMO_USIMSJS1_FILE_EF_SQNC:
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# Default parameters
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ind_size_bits = 5
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sqn_check_enabled = True
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sqn_age_limit_enabled = True
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sqn_max_delta_enabled = True
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sqnms_offset = 0
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max_delta = 0;
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age_limit = 2**28 << ind_size_bits
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def __init__(self, content = None):
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if content == None:
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return
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if len(content) != 15:
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raise ValueError("unexpected length of %u bytes", len(content))
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self.ind_size_bits = content[0] >> 4
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self.sqn_check_enabled = content[0] & 0x08
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self.sqn_age_limit_enabled = bool(content[0] & 0x04)
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self.sqn_max_delta_enabled = bool(content[0] & 0x02)
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self.sqnms_offset = list_to_int(content[1:3])
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self.max_delta = list_to_int(content[3:9]) >> self.ind_size_bits
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self.age_limit = list_to_int(content[9:15]) >> self.ind_size_bits
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def __str__(self):
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pfx = " "
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dump = ""
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dump += "%sIND (bits): %u\n" % (pfx, self.ind_size_bits)
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dump += "%sSQN Check enabled: %u\n" % (pfx, self.sqn_check_enabled)
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dump += "%sSQN Age Limit enabled: %u\n" % (pfx, self.sqn_age_limit_enabled)
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dump += "%sSQN Max Delta enabled: %u\n" % (pfx, self.sqn_max_delta_enabled)
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dump += "%sSQNms Offset: %u\n" % (pfx, self.sqnms_offset)
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dump += "%sMax Delta: %u\n" % (pfx, self.max_delta)
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dump += "%sAge Limit: %u\n" % (pfx, self.age_limit)
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return dump
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class SYSMO_USIMSJS1_FILE_EF_SQNA:
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seq_array = []
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def __init__(self, content, ind = 5):
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if content == None:
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return
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if len(content) != 6*(2**ind):
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raise ValueError("unexpected length of %u bytes", len(content))
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# read in the SEQ array
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for i in range(0, 2**ind):
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offset = 6*i;
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self.seq_array.append(list_to_int(content[offset:offset+6]))
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def __str__(self):
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pfx = " "
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dump = ""
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for i in range(len(self.seq_array)):
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dump += "%sSEQ[%03d]: %u\n" % (pfx, i, self.seq_array[i])
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return dump
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# Initalize card (select master file)
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def sysmo_usim_init(sim):
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@ -196,6 +256,38 @@ def sysmo_usim_write_auth_params(sim, algo_2g, algo_3g):
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sim.select(SYSMO_USIMSJS1_EF_AUTH)
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sim.update_binary([algo_2g,algo_3g])
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def sysmo_usim_get_auth_counter(sim):
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sim.select(SYSMO_USIMSJS1_EF_AC)
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res = sim.read_binary(4, offset=0)
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ctr = list_to_int(res.apdu[0:4])
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if ctr == 0:
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return "LOCKED"
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elif ctr == 0xFFFFFFFF:
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return "DISABLED"
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else:
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return ctr
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def sysmo_usim_read_milenage_sqn_params(sim):
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sysmo_usim_init(sim)
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sim.card.SELECT_ADF_USIM()
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sim.select(SYSMO_USIMSJS1_EF_SQNC)
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res = sim.read_binary(15, offset = 0)
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ef_sqnc = SYSMO_USIMSJS1_FILE_EF_SQNC(res.apdu)
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print "* Current SQN Configuration: "
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print str(ef_sqnc)
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# SQN Array
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ind_pow = 2**ef_sqnc.ind_size_bits
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sim.select(SYSMO_USIMSJS1_EF_SQNA)
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res = sim.read_binary(ind_pow*6, offset=0)
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ef_sqna = SYSMO_USIMSJS1_FILE_EF_SQNA(res.apdu)
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print "* Current SQN Array: "
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print str(ef_sqna)
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auth_ctr = sysmo_usim_get_auth_counter(sim)
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print "* Authentication Counter: %s\n" % auth_ctr
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# Show current milenage parameters
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def sysmo_usim_show_milenage_params(sim):
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