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Source Code for Module smartcard.sw.ISO7816_4_SW1ErrorChecker

 1  """ISO7816-4 sw1 only error checker. 
 2   
 3  __author__ = "http://www.gemalto.com" 
 4   
 5  Copyright 2001-2011 gemalto 
 6  Author: Jean-Daniel Aussel, mailto:jean-daniel.aussel@gemalto.com 
 7   
 8  This file is part of pyscard. 
 9   
10  pyscard is free software; you can redistribute it and/or modify 
11  it under the terms of the GNU Lesser General Public License as published by 
12  the Free Software Foundation; either version 2.1 of the License, or 
13  (at your option) any later version. 
14   
15  pyscard is distributed in the hope that it will be useful, 
16  but WITHOUT ANY WARRANTY; without even the implied warranty of 
17  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
18  GNU Lesser General Public License for more details. 
19   
20  You should have received a copy of the GNU Lesser General Public License 
21  along with pyscard; if not, write to the Free Software 
22  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA 
23  """ 
24   
25  from smartcard.sw.ErrorChecker import ErrorChecker 
26  import smartcard.sw.SWExceptions 
27   
28  iso7816_4SW1 = { 
29      0x62: smartcard.sw.SWExceptions.WarningProcessingException, 
30      0x63: smartcard.sw.SWExceptions.WarningProcessingException, 
31      0x64: smartcard.sw.SWExceptions.ExecutionErrorException, 
32      0x65: smartcard.sw.SWExceptions.ExecutionErrorException, 
33      0x66: smartcard.sw.SWExceptions.SecurityRelatedException, 
34      0x67: smartcard.sw.SWExceptions.CheckingErrorException, 
35      0x68: smartcard.sw.SWExceptions.CheckingErrorException, 
36      0x69: smartcard.sw.SWExceptions.CheckingErrorException, 
37      0x6A: smartcard.sw.SWExceptions.CheckingErrorException, 
38      0x6B: smartcard.sw.SWExceptions.CheckingErrorException, 
39      0x6C: smartcard.sw.SWExceptions.CheckingErrorException, 
40      0x6D: smartcard.sw.SWExceptions.CheckingErrorException, 
41      0x6E: smartcard.sw.SWExceptions.CheckingErrorException, 
42      0x6F: smartcard.sw.SWExceptions.CheckingErrorException, 
43  } 
44   
45   
46 -class ISO7816_4_SW1ErrorChecker(ErrorChecker): 
47      """ISO7816-4 error checker based on status word sw1 only. 
48   
49      This error checker raises the following exceptions: 
50      - sw1 sw2 
51      - 62  any   WarningProcessingException 
52      - 63  any   WarningProcessingException 
53      - 64  any   ExecutionErrorException 
54      - 65  any   ExecutionErrorException 
55      - 66  any   SecurityRelatedException 
56      - 67  any   CheckingErrorException 
57      - 68  any   CheckingErrorException 
58      - 69  any   CheckingErrorException 
59      - 6a  any   CheckingErrorException 
60      - 6b  any   CheckingErrorException 
61      - 6c  any   CheckingErrorException 
62      - 6d  any   CheckingErrorException 
63      - 6e  any   CheckingErrorException 
64      - 6f  any   CheckingErrorException 
65      """ 
66   
67 -    def __call__(self, data, sw1, sw2): 
68          """Called to test data, sw1 and sw2 for error. 
69   
70          @param data:       apdu response data 
71          @param sw1, sw2:   apdu data status words 
72          """ 
73          if iso7816_4SW1.has_key(sw1): 
74              exception = iso7816_4SW1[sw1] 
75              raise exception(data, sw1, sw2) 
76   
77   
78  if __name__ == '__main__': 
79      """Small sample illustrating the use of ISO7816_4_SW1ErrorChecker.""" 
80      ecs = ISO7816_4_SW1ErrorChecker() 
81      ecs([], 0x90, 0x00) 
82      try: 
83          ecs([], 0x66, 0x80) 
84      except smartcard.sw.SWExceptions.SecurityRelatedException, e: 
85          print e, "%x %x" % (e.sw1, e.sw2) 
86   

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