def send_apdu(self, ins, p1=0, p2=0, data=b''):
"""
Sends an APDU to the device, and waits for a response.
"""
if data is None:
data = b''
elif isinstance(data, int):
data = int2byte(data)
size = len(data)
l0 = size >> 16 & 0xff
l1 = size >> 8 & 0xff
l2 = size & 0xff
apdu_data = struct.pack('B B B B B B B %is B B' % size, 0, ins, p1, p2,
l0, l1, l2, data, 0x04, 0x00)
try:
resp = self._do_send_apdu(apdu_data)
except Exception as e:
# TODO Use six.reraise if/when Six becomes an agreed dependency.
raise exc.DeviceError(e)
status = struct.unpack('>H', resp[-2:])[0]
data = resp[:-2]
if status != APDU_OK:
raise exc.APDUError(status)
return data
def send_apdu(self, ins, p1=0, p2=0, data=''):
"""
Sends an APDU to the device, and waits for a response.
"""
if data is None:
data = ''
elif isinstance(data, int):
data = chr(data)
size = len(data)
l0 = size >> 16 & 0xff
l1 = size >> 8 & 0xff
l2 = size & 0xff
apdu_data = "%c%c%c%c%c%c%c%s%c%c" % \
(0, ins, p1, p2, l0, l1, l2, data, 0x04, 0x00)
try:
resp = self._do_send_apdu(apdu_data)
except Exception as e:
# Wrap exception, keeping trace
raise exc.DeviceError(e), None, sys.exc_info()[2]
status = int(resp[-2:].encode('hex'), 16)
data = resp[:-2]
if status != APDU_OK:
raise exc.APDUError(status)
return data
def test_init(self):
error = exc.APDUError(0x3039)
self.assertEqual(error.args[0], '0x3039')
self.assertEqual(error.code, 0x3039)
self.assertEqual(error.sw1, 0x30)
self.assertEqual(error.sw2, 0x39)
def send_apdu(self, ins, p1=0, p2=0, data=b''):
if ins == INS_ENROLL:
return self._register(data)
elif ins == INS_SIGN:
return self._authenticate(data)
raise exc.APDUError(0x6d00) # INS not supported.