def InternalSendApdu(self, apdu_to_send):
"""Send an APDU to the device.
Sends an APDU to the device, possibly falling back to the legacy
encoding format that is not ISO7816-4 compatible.
Args:
apdu_to_send: The CommandApdu object to send
Returns:
The ResponseApdu object constructed out of the devices reply.
"""
response = None
if not self.use_legacy_format:
response = apdu.ResponseApdu(
self.transport.SendMsgBytes(apdu_to_send.ToByteArray()))
if response.sw1 == 0x67 and response.sw2 == 0x00:
# If we failed using the standard format, retry with the
# legacy format.
self.use_legacy_format = True
return self.InternalSendApdu(apdu_to_send)
else:
response = apdu.ResponseApdu(
self.transport.SendMsgBytes(
apdu_to_send.ToLegacyU2FByteArray()))
return response
def testResponseApduCheckSuccessOtherError(self): resp = apdu.ResponseApdu(bytearray([0xfa, 0x05])) self.assertRaises(errors.ApduError, resp.CheckSuccessOrRaise)
def testResponseApduCheckSuccessInvalidKeyHandle(self): resp = apdu.ResponseApdu(bytearray([0x6a, 0x80])) self.assertRaises(errors.InvalidKeyHandleError, resp.CheckSuccessOrRaise)
def testResponseApduCheckSuccessTUPRequired(self): resp = apdu.ResponseApdu(bytearray([0x69, 0x85])) self.assertRaises(errors.TUPRequiredError, resp.CheckSuccessOrRaise)
def testResponseApduParseNoBody(self): resp = apdu.ResponseApdu(bytearray([0x69, 0x85])) self.assertEqual(resp.sw1, 0x69) self.assertEqual(resp.sw2, 0x85) self.assertFalse(resp.IsSuccess())
def testResponseApduParse(self): resp = apdu.ResponseApdu(bytearray([0x05, 0x04, 0x90, 0x00])) self.assertEqual(resp.body, bytearray([0x05, 0x04])) self.assertEqual(resp.sw1, 0x90) self.assertEqual(resp.sw2, 0x00) self.assertTrue(resp.IsSuccess())
