UnitaryTests/stress_apdu.py
#! /usr/bin/env python3
"""
stress_apdu.py: send an apdu in loop
Copyright (C) 2010 Ludovic Rousseau
"""
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, see <http://www.gnu.org/licenses/>.
from smartcard.System import readers
from time import time, ctime
def stress(reader):
# define the APDUs used in this script
SELECT = [0x00, 0xA4, 0x04, 0x00, 0x0A, 0xA0, 0x00, 0x00, 0x00, 0x62,
0x03, 0x01, 0x0C, 0x06, 0x01]
COMMAND = [0x00, 0x00, 0x00, 0x00]
connection = reader.createConnection()
connection.connect()
data, sw1, sw2 = connection.transmit(SELECT)
print(data)
print("Select Applet: %02X %02X" % (sw1, sw2))
i = 0
while True:
before = time()
data, sw1, sw2 = connection.transmit(COMMAND)
after = time()
print(data)
delta = after - before
print("%d Command: %02X %02X, delta: %f" % (i, sw1, sw2, delta))
if delta > 1:
sys.stderr.write(ctime() + " %f\n" % delta)
i += 1
if __name__ == "__main__":
import sys
# get all the available readers
readers = readers()
print("Available readers:")
i = 0
for r in readers:
print("%d: %s" % (i, r))
i += 1
try:
i = int(sys.argv[1])
except IndexError:
i = 0
reader = readers[i]
print("Using:", reader)
stress(reader)