mirror of
https://salsa.debian.org/gnuk-team/gnuk/gnuk.git
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399 lines
15 KiB
Python
Executable File
399 lines
15 KiB
Python
Executable File
#! /usr/bin/python
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"""
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pinpadtest.py - a tool to test variable length pin entry with pinpad
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Copyright (C) 2011, 2012 Free Software Initiative of Japan
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Author: NIIBE Yutaka <gniibe@fsij.org>
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This file is a part of Gnuk, a GnuPG USB Token implementation.
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Gnuk is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Gnuk is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""
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import sys
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# Assume only single CCID device is attached to computer with card
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from smartcard.CardType import AnyCardType
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from smartcard.CardRequest import CardRequest
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from smartcard.util import toHexString
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from getpass import getpass
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CM_IOCTL_GET_FEATURE_REQUEST = (0x42000000 + 3400)
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FEATURE_VERIFY_PIN_DIRECT = 0x06
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FEATURE_MODIFY_PIN_DIRECT = 0x07
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BY_ADMIN = 3
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BY_USER = 1
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PIN_MIN_DEFAULT = 6 # min of OpenPGP card
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PIN_MAX_DEFAULT = 15 # max of VASCO DIGIPASS 920
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def s2l(s):
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return [ ord(c) for c in s ]
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def confirm_pin_setting(single_step):
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if single_step:
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return 0x01 # bConfirmPIN: new PIN twice
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else:
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return 0x03 # bConfirmPIN: old PIN and new PIN twice
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class Card(object):
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def __init__(self, add_a_byte, pinmin, pinmax):
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cardtype = AnyCardType()
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cardrequest = CardRequest(timeout=10, cardType=cardtype)
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cardservice = cardrequest.waitforcard()
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self.connection = cardservice.connection
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self.verify_ioctl = -1
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self.modify_ioctl = -1
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self.another_byte = add_a_byte
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self.pinmin = pinmin
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self.pinmax = pinmax
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def get_features(self):
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p = self.connection.control(CM_IOCTL_GET_FEATURE_REQUEST, [])
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i = 0
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while i < len(p):
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code = p[i]
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l = p[i+1]
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i = i + 2
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if l == 4:
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ioctl = (p[i] << 24) | (p[i+1] << 16) | (p[i+2] << 8) | p[i+3]
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i = i + l
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else:
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i = i + l
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continue
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if code == FEATURE_VERIFY_PIN_DIRECT:
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self.verify_ioctl = ioctl
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elif code == FEATURE_MODIFY_PIN_DIRECT:
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self.modify_ioctl = ioctl
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if self.verify_ioctl == -1:
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raise ValueError, "Not supported"
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def cmd_select_openpgp(self):
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apdu = [0x00, 0xa4, 0x04, 0x00, 6, 0xd2, 0x76, 0x00, 0x01, 0x24, 0x01 ]
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response, sw1, sw2 = self.connection.transmit(apdu)
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if sw1 == 0x61: # More data
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response, sw1, sw2 = self.connection.transmit([0x00, 0xc0, 0, 0, sw2])
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elif not (sw1 == 0x90 and sw2 == 0x00):
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raise ValueError, ("cmd_select_openpgp %02x %02x" % (sw1, sw2))
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def possibly_add_dummy_byte(self):
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if self.another_byte:
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return [ 0 ]
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else:
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return []
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def cmd_verify_pinpad(self, who):
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apdu = [0x00, 0x20, 0x00, 0x80+who ]
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pin_verify = [ 0x00, # bTimeOut
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0x00, # bTimeOut2
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0x82, # bmFormatString: Byte, pos=0, left, ASCII.
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0x00, # bmPINBlockString
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0x00, # bmPINLengthFormat
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self.pinmax, # wPINMaxExtraDigit Low (PINmax)
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self.pinmin, # wPINMaxExtraDigit High (PINmin)
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0x02, # bEntryValidationCondition
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0x01, # bNumberMessage
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0x00, # wLangId Low
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0x00, # wLangId High
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0x00, # bMsgIndex
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0x00, # bTeoPrologue[0]
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0x00, # bTeoPrologue[1]
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0x00 # bTeoPrologue[2]
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]
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apdu += self.possibly_add_dummy_byte()
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pin_verify += [ len(apdu), 0, 0, 0 ] + apdu
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data = self.connection.control(self.verify_ioctl,pin_verify)
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sw1 = data[0]
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sw2 = data[1]
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if not (sw1 == 0x90 and sw2 == 0x00):
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raise ValueError, ("cmd_verify_pinpad %02x %02x" % (sw1, sw2))
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def send_modify_pinpad(self, apdu, single_step, command):
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if self.modify_ioctl == -1:
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raise ValueError, "Not supported"
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pin_modify = [ 0x00, # bTimerOut
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0x00, # bTimerOut2
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0x82, # bmFormatString: Byte, pos=0, left, ASCII.
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0x00, # bmPINBlockString
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0x00, # bmPINLengthFormat
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0x00, # bInsertionOffsetOld
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0x00, # bInsertionOffsetNew
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self.pinmax, # wPINMaxExtraDigit Low (PINmax)
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self.pinmin, # wPINMaxExtraDigit High (PINmin)
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confirm_pin_setting(single_step),
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0x02, # bEntryValidationCondition
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0x03, # bNumberMessage
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0x00, # wLangId Low
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0x00, # wLangId High
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0x00, # bMsgIndex1
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0x01, # bMsgIndex2
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0x02, # bMsgIndex3
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0x00, # bTeoPrologue[0]
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0x00, # bTeoPrologue[1]
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0x00 # bTeoPrologue[2]
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]
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apdu += self.possibly_add_dummy_byte()
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pin_modify += [ len(apdu), 0, 0, 0 ] + apdu
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data = self.connection.control(self.modify_ioctl,pin_modify)
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sw1 = data[0]
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sw2 = data[1]
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if not (sw1 == 0x90 and sw2 == 0x00):
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raise ValueError, ("%s %02x %02x" % (command, sw1, sw2))
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def cmd_reset_retry_counter(self, who, data):
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if who == BY_ADMIN:
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apdu = [0x00, 0x2c, 0x02, 0x81, len(data) ] + data # BY_ADMIN
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else:
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apdu = [0x00, 0x2c, 0x00, 0x81, len(data) ] + data # BY_USER with resetcode
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response, sw1, sw2 = self.connection.transmit(apdu)
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if not (sw1 == 0x90 and sw2 == 0x00):
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raise ValueError, ("cmd_reset_retry_counter %02x %02x" % (sw1, sw2))
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# Note: CCID specification doesn't permit this (only 0x20 and 0x24)
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def cmd_reset_retry_counter_pinpad(self, who):
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if who == BY_ADMIN:
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apdu = [0x00, 0x2c, 0x02, 0x81] # BY_ADMIN
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self.send_modify_pinpad(apdu, True, "cmd_reset_retry_counter_pinpad")
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else:
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apdu = [0x00, 0x2c, 0x00, 0x81] # BY_USER with resetcode
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self.send_modify_pinpad(apdu, False, "cmd_reset_retry_counter_pinpad")
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def cmd_put_resetcode(self, data):
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apdu = [0x00, 0xda, 0x00, 0xd3, len(data) ] + data # BY_ADMIN
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response, sw1, sw2 = self.connection.transmit(apdu)
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if not (sw1 == 0x90 and sw2 == 0x00):
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raise ValueError, ("cmd_put_resetcode %02x %02x" % (sw1, sw2))
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# Note: CCID specification doesn't permit this (only 0x20 and 0x24)
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def cmd_put_resetcode_pinpad(self):
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apdu = [0x00, 0xda, 0x00, 0xd3]
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self.send_modify_pinpad(apdu, True, "cmd_put_resetcode_pinpad")
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def cmd_change_reference_data_pinpad(self, who, is_exchange):
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if is_exchange:
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apdu = [0x00, 0x24, 1, 0x80+who]
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else:
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apdu = [0x00, 0x24, 0x00, 0x80+who]
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self.send_modify_pinpad(apdu, is_exchange,
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"cmd_change_reference_data_pinpad")
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def main(who, method, add_a_byte, pinmin, pinmax, change_by_two_steps):
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card = Card(add_a_byte, pinmin, pinmax)
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card.connection.connect()
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print "Reader/Token:", card.connection.getReader()
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print "ATR:", toHexString( card.connection.getATR() )
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card.get_features()
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card.cmd_select_openpgp()
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if method == "verify":
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if who == BY_USER:
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print "Please input User's PIN"
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else:
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print "Please input Admin's PIN"
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card.cmd_verify_pinpad(who)
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elif method == "change":
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if change_by_two_steps:
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if who == BY_USER:
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print "Please input User's PIN"
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else:
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print "Please input Admin's PIN"
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card.cmd_verify_pinpad(who)
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if who == BY_USER:
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print "Please input New User's PIN twice"
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else:
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print "Please input New Admin's PIN twice"
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card.cmd_change_reference_data_pinpad(who, True)
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else:
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if who == BY_USER:
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print "Please input User's PIN"
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print "and New User's PIN twice"
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else:
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print "Please input Admin's PIN"
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print "and New Admin's PIN twice"
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card.cmd_change_reference_data_pinpad(who, False)
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elif method == "unblock":
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if change_by_two_steps:
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# It means using keyboard for new PIN
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if who == BY_USER:
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resetcode=s2l(getpass("Please input reset code from keyboard: "))
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newpin=s2l(getpass("Please input New User's PIN from keyboard: "))
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card.cmd_reset_retry_counter(who,resetcode+newpin)
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else:
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print "Please input Admin's PIN"
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card.cmd_verify_pinpad(BY_ADMIN)
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newpin=s2l(getpass("Please input New User's PIN from keyboard: "))
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card.cmd_reset_retry_counter(who,newpin)
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else:
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if who == BY_USER:
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print "Please input reset code"
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print "and New User's PIN twice"
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else:
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print "Please input Admin's PIN"
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card.cmd_verify_pinpad(BY_ADMIN)
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print "Please input New User's PIN twice"
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card.cmd_reset_retry_counter_pinpad(who)
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elif method == "put":
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if change_by_two_steps:
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# It means using keyboard for new PIN
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print "Please input Admin's PIN"
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card.cmd_verify_pinpad(BY_ADMIN)
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resetcode=s2l(getpass("Please input New Reset Code from keyboard: "))
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card.cmd_put_resetcode(resetcode)
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else:
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print "Please input Admin's PIN"
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card.cmd_verify_pinpad(BY_ADMIN)
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print "Please input New Reset Code twice"
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card.cmd_put_resetcode_pinpad()
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else:
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raise ValueError, method
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card.connection.disconnect()
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print "OK."
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return 0
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def print_usage():
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print "pinpad-test: testing pinentry of PC/SC card reader"
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print " help:"
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print "\t--help:\t\tthis message"
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print " method:\t\t\t\t\t\t\t[verify]"
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print "\t--verify:\tverify PIN"
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print "\t--change:\tchange PIN (old PIN, new PIN twice)"
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print "\t--change2:\tchange PIN by two steps (old PIN, new PIN twice)"
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print "\t--unblock:\tunblock PIN (admin PIN/resetcode, new PIN twice)"
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print "\t--unblock2:\tunblock PIN (admin PIN:pinpad, new PIN:kbd)"
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print "\t--put:\t\tsetup resetcode (admin PIN, new PIN twice)"
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print "\t--put2::\t\tsetup resetcode (admin PIN:pinpad, new PIN:kbd)"
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print " options:"
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print "\t--admin:\tby administrator\t\t\t[False]"
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print "\t--add:\t\tadd a dummy byte at the end of APDU\t[False]"
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print "\t--pinmin:\tspecify minimum length of PIN\t\t[6]"
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print "\t--pinmax:\tspecify maximum length of PIN\t\t[15]"
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print "EXAMPLES:"
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print " $ pinpad-test # verify user's PIN "
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print " $ pinpad-test --admin # verify admin's PIN "
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print " $ pinpad-test --change # change user's PIN "
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print " $ pinpad-test --change --admin # change admin's PIN "
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print " $ pinpad-test --change2 # change user's PIN by two steps"
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print " $ pinpad-test --change2 --admin # change admin's PIN by two steps"
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print " $ pinpad-test --unblock # change user's PIN by reset code"
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print " $ pinpad-test --unblock --admin # change user's PIN by admin's PIN"
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print " $ pinpad-test --put # setup resetcode "
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if __name__ == '__main__':
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who = BY_USER
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method = "verify"
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add_a_byte = False
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pinmin = PIN_MIN_DEFAULT
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pinmax = PIN_MAX_DEFAULT
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change_by_two_steps = False
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while len(sys.argv) >= 2:
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option = sys.argv[1]
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sys.argv.pop(1)
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if option == '--admin':
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who = BY_ADMIN
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elif option == '--change':
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method = "change"
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elif option == '--change2':
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method = "change"
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change_by_two_steps = True
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elif option == '--unblock':
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method = "unblock"
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elif option == '--unblock2':
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method = "unblock"
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change_by_two_steps = True
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elif option == '--add':
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add_a_byte = True
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elif option == '--pinmin':
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pinmin = int(sys.argv[1])
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sys.argv.pop(1)
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elif option == '--pinmax':
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pinmax = int(sys.argv[1])
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sys.argv.pop(1)
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elif option == '--put':
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method = "put"
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elif option == '--put2':
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method = "put"
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change_by_two_steps = True
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elif option == "verify":
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method = "verify"
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elif option == '--help':
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print_usage()
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exit(0)
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else:
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raise ValueError, option
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main(who, method, add_a_byte, pinmin, pinmax, change_by_two_steps)
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# Failure
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# 67 00: Wrong length; no further indication
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# 69 82: Security status not satisfied: pin doesn't match
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# 69 85: Conditions of use not satisfied
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# 6b 00: Wrong parameters P1-P2
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# 6b 80
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# 64 02: PIN different
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# General
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# OpenPGP card v2 doesn't support CHANGE REFERENCE DATA in exchanging
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# mode (with P1 == 01, replacing PIN).
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# FAIL: --change2 fails with 6b 00 (after input of PIN)
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# FAIL: --change2 --admin fails with 6b 00 (after input of PIN)
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# "FSIJ Gnuk (0.16-34006F06) 00 00"
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# Works well except --change2
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# It could support --put and --unblock, but currently it's disabled.
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# "Vasco DIGIPASS 920 [CCID] 00 00"
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# OK: --verify
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# OK: --verify --admin
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# OK: --change
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# OK: --change --admin
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# OK: --unblock
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# FAIL: --unblock --admin fails with 69 85 (after input of PIN)
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# FAIL: --put fails with 6b 80 (before input of resetcode)
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# OK: --put2
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# FAIL: --unblock2 fails with 69 85
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# FAIL: --unblock2 --admin fails with 69 85 (after input of PIN)
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# 0c4b:0500 Reiner SCT Kartensysteme GmbH
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# "REINER SCT cyberJack RFID standard (7592671050) 00 00"
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# OK: --verify
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# OK: --verify --admin
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# OK: --change
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# OK: --change --admin
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# OK: --unblock
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# OK: --unblock --admin
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# FAIL: --put fails with 69 85
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# Gemalto GemPC Pinpad 00 00
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# It asks users PIN with --add but it results 67 00
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# It seems that it doesn't support variable length PIN
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# Firmware version: GemTwRC2-V2.10-GL04
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# 072f:90d2 Advanced Card Systems, Ltd
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# ACS ACR83U 01 00
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# --verify failed with 6b 80
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# 08e6:34c2 Gemplus
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# Gemalto Ezio Shield PinPad 01 00
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# works well
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# FAIL: --unblock2 fails with 6d 00
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# 076b:3821 OmniKey AG CardMan 3821
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# OmniKey CardMan 3821 01 00
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# Works well with --pinmax 31 --pinmin 1
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