57 lines
1.7 KiB
Python
57 lines
1.7 KiB
Python
import utils
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from gsm_card import *
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import building_blocks
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class GRCard_Card(GSM_Card):
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DRIVER_NAME = ["GRCard"]
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ATRS = [
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("3b991800118822334455667760", None),
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]
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DF_ALGO = "\x27\x00"
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EF_ALGO = "\x6f\x70"
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APDU_ERASE_CARD = C_APDU(CLA=0x80, INS=0xFE, data="123456\x00\x00\x13\x01\xFF\x00\x00\x00\x00\x00\x00\x00\x00\xEA")
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APDU_SET_KI = C_APDU(CLA=0x80, INS=0xD4, P1=0x02)
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APDU_SET_PINPUK = C_APDU(CLA=0x80, INS=0xD4)
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def cmd_set_algo(self, algo):
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"""Set the COMP128 version to be used as A3/A8 algorithm in the card."""
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self.select_file(0, 0, self.DF_ALGO)
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self.select_file(0, 0, self.EF_ALGO)
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self.cmd_upd_binary(algo)
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def cmd_erase_card(self):
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"""Erase the entire card including all DF and EF."""
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self.send_apdu(self.APDU_ERASE_CARD)
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def cmd_set_ki(self, ki):
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"""Set the Ki to be used by the A3/A8 algorithm."""
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ki_bin = binascii.a2b_hex("".join(ki.split()))
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apdu = C_APDU(self.APDU_SET_KI, data = ki_bin)
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self.send_apdu(apdu)
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def set_pin_puk(self, pin_num, pin, puk):
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data_bin = self.pad(pin, 8) + self.pad(puk, 8)
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apdu = C_APDU(self.APDU_SET_PINPUK, P2 = pin_num, data = data_bin)
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self.send_apdu(apdu)
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def cmd_set_pin_puk(self, pin_num, pin, puk):
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"""Set the PIN + PUK (1 or 2)."""
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self.set_pin_puk(int(pin_num, 0), pin, puk)
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def pad(self, data, padded_len):
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topad = padded_len - len(data)
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if topad <= 0:
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return data
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return data + ("\xFF" * topad)
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COMMANDS = {}
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COMMANDS.update(GSM_Card.COMMANDS)
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COMMANDS.update({
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"grcard_set_algo" : cmd_set_algo,
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"grcard_erase_card" : cmd_erase_card,
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"grcard_set_ki" : cmd_set_ki,
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"grcard_set_pin_puk" : cmd_set_pin_puk,
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})
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