op21_ErrorChecker.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 » op21_ErrorChecker.py
"""Open Platform 2.1 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

op21_SW = {
    0x62:( smartcard.sw.SWExceptions.WarningProcessingException,
           { 0x83:"Card life cycle is CARD_LOCKED" } ),

    0x63:( smartcard.sw.SWExceptions.WarningProcessingException,
           { 0x00:"Authentication failed" } ),

    0x64:( smartcard.sw.SWExceptions.ExecutionErrorException,
           { 0x00:"Execution error" } ),

    0x65:( smartcard.sw.SWExceptions.ExecutionErrorException,
           { 0x81:"Memory failure" } ),

    0x67:( smartcard.sw.SWExceptions.CheckingErrorException,
           { 0x00:"Wrong length in Lc" } ),

    0x69:( smartcard.sw.SWExceptions.CheckingErrorException,
           { 0x82:"Security status not satisfied",
             0x85:"Conditions of use not satisfied" } ),

    0x6A:( smartcard.sw.SWExceptions.CheckingErrorException,
           { 0x80:"Incorrect values in command data",
             0x81:"Function not supported",
             0x82:"Application not found",
             0x84:"Not enough memory space",
             0x86:"Incorrect parameters P1-P2",
             0x88:"Referenced data not found", } ),

    0x6D:( smartcard.sw.SWExceptions.CheckingErrorException,
           { 0x00:"Instruction not supported" } ),

    0x6E:( smartcard.sw.SWExceptions.CheckingErrorException,
           { 0x00:"Class not supported" } ),

    0x94:( smartcard.sw.SWExceptions.CheckingErrorException,
           { 0x84:"Algorithm not supported",
             0x85:"Invalid key check value" } ),

}


class op21_ErrorChecker( ErrorChecker ):
    """Open platform 2.1 error checker.

    This error checker raises the following exceptions:

    sw1 sw2
    62  83                  WarningProcessingException
    63  00                  WarningProcessingException
    64  00                  ExecutionErrorException
    65  81                  ExecutionErrorException
    67  00                  CheckingErrorException
    69  82 85               CheckingErrorException
    6A  80 81 82 84 86 88   CheckingErrorException
    6D  00                  CheckingErrorException
    6E  00                  CheckingErrorException
    94  84 85               CheckingErrorException

    This checker does not raise exceptions on undefined sw1 values, e.g.:

    sw1 sw2
    63  any
    6F  any

    and on undefined sw2 values, e.g.:

    sw1 sw2
    62  81 83
    64  any except 00


    Use another checker in the error checking chain to raise exceptions on these undefined values.
    """
    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

        Derived classes must raise a smartcard.sw.SWException upon error."""
        if op21_SW.has_key( sw1 ):
            exception, sw2dir = op21_SW[sw1]
            if type(sw2dir)==type({}):
                try:
                    message = sw2dir[sw2]
                    raise exception( data, sw1, sw2, message )
                except KeyError:
                    pass


if __name__ == '__main__':
    """Small sample illustrating the use of op21_ErrorChecker."""
    ecs=op21_ErrorChecker()
    ecs( [], 0x90, 0x00 )
    ecs( [], 0x94, 0x81 )
    try:
        ecs( [], 0x94, 0x84 )
    except smartcard.sw.SWExceptions.CheckingErrorException, e:
        print e, "%x %x" % (e.sw1, e.sw2)
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