ISO7816_4_SW1ErrorChecker.py :  » Mobile » pyscard » pyscard-1.6.10 » smartcard » sw » Python Open Source

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Python Open Source » Mobile » pyscard 
pyscard » pyscard 1.6.10 » smartcard » sw » ISO7816_4_SW1ErrorChecker.py
"""ISO7816-4 sw1 only error checker.

__author__ = "http://www.gemalto.com"

Copyright 2001-2010 gemalto
Author: Jean-Daniel Aussel, mailto:jean-daniel.aussel@gemalto.com

This file is part of pyscard.

pyscard is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.

pyscard is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License
along with pyscard; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
"""

from smartcard.sw.ErrorChecker import ErrorChecker
import smartcard.sw.SWExceptions

iso7816_4SW1 = {
    0x62:smartcard.sw.SWExceptions.WarningProcessingException,
    0x63:smartcard.sw.SWExceptions.WarningProcessingException,
    0x64:smartcard.sw.SWExceptions.ExecutionErrorException,
    0x65:smartcard.sw.SWExceptions.ExecutionErrorException,
    0x66:smartcard.sw.SWExceptions.SecurityRelatedException,
    0x67:smartcard.sw.SWExceptions.CheckingErrorException,
    0x68:smartcard.sw.SWExceptions.CheckingErrorException,
    0x69:smartcard.sw.SWExceptions.CheckingErrorException,
    0x6A:smartcard.sw.SWExceptions.CheckingErrorException,
    0x6B:smartcard.sw.SWExceptions.CheckingErrorException,
    0x6C:smartcard.sw.SWExceptions.CheckingErrorException,
    0x6D:smartcard.sw.SWExceptions.CheckingErrorException,
    0x6E:smartcard.sw.SWExceptions.CheckingErrorException,
    0x6F:smartcard.sw.SWExceptions.CheckingErrorException,
}


class ISO7816_4_SW1ErrorChecker( ErrorChecker ):
    """ISO7816-4 error checker based on status word sw1 only.

    This error checker raises the following exceptions:
    sw1 sw2
    62  any   WarningProcessingException
    63  any   WarningProcessingException
    64  any   ExecutionErrorException
    65  any   ExecutionErrorException
    66  any   SecurityRelatedException
    67  any   CheckingErrorException
    68  any   CheckingErrorException
    69  any   CheckingErrorException
    6a  any   CheckingErrorException
    6b  any   CheckingErrorException
    6c  any   CheckingErrorException
    6d  any   CheckingErrorException
    6e  any   CheckingErrorException
    6f  any   CheckingErrorException
    """
    def __call__( self, data, sw1, sw2 ):
        """Called to test data, sw1 and sw2 for error.

        data:       apdu response data
        sw1, sw2:   apdu data status words
        """
        if iso7816_4SW1.has_key( sw1 ):
            exception=iso7816_4SW1[sw1]
            raise exception( data, sw1, sw2 )


if __name__ == '__main__':
    """Small sample illustrating the use of ISO7816_4_SW1ErrorChecker."""
    ecs=ISO7816_4_SW1ErrorChecker()
    ecs( [], 0x90, 0x00 )
    try:
        ecs( [], 0x66, 0x80 )
    except smartcard.sw.SWExceptions.SecurityRelatedException, e:
        print e, "%x %x" % (e.sw1, e.sw2)
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