test
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#!/usr/bin/env python3
import os
import sys
import time
import subprocess
import serial.tools.list_ports
from test_common import (
LogicMultiplexerTimeMeasurements,
parse_nist_aead_test_vectors,
DeviceUnderTestAeadUARTP,
eprint,
run_nist_aead_test_line,
)
def get_serial():
ports = serial.tools.list_ports.comports()
devices = [
p.device
for p in ports
if (p.vid == 4292 and p.pid == 60000)
]
devices.sort()
return devices[0]
class ESP32(DeviceUnderTestAeadUARTP):
def __init__(self, build_dir):
DeviceUnderTestAeadUARTP.__init__(self)
self.build_dir = build_dir
def flash(self):
pipe = subprocess.PIPE
previous_dir = os.path.abspath(os.curdir)
os.chdir(self.build_dir)
cmd = ['platformio', 'run', '-e', 'esp32dev', '--target', 'upload']
cmd.extend(['--upload-port', get_serial()])
cmd.extend(['--upload-port', get_serial()])
p = subprocess.Popen(
cmd, stdout=sys.stderr, stdin=pipe)
stdout, stderr = p.communicate("")
eprint("Firmware flashed.")
os.chdir(previous_dir)
def dump_ram(self):
return None
def main(argv):
if len(argv) != 3:
print("Usage: test LWC_AEAD_KAT.txt build_dir")
return 1
kat = list(parse_nist_aead_test_vectors(argv[1]))
build_dir = argv[2]
dut = ESP32(build_dir)
try:
tool = LogicMultiplexerTimeMeasurements(0x0030)
tool.begin_measurement()
dut.flash()
ser = serial.Serial(
get_serial(),
baudrate=500000,
timeout=5)
ser.setDTR(False) # IO0=HIGH
ser.setRTS(True) # EN=LOW, chip in reset
time.sleep(0.1)
ser.setDTR(False) # IO0=HIGH
ser.setRTS(False) # EN=HIGH, chip out of reset
time.sleep(1)
dut.ser = ser
dut.prepare()
sys.stdout.write("Board prepared\n")
sys.stdout.flush()
for i, m, ad, k, npub, c in kat:
tool.arm()
run_nist_aead_test_line(dut, i, m, ad, k, npub, c)
tool.unarm()
except Exception as ex:
print("TEST FAILED")
raise ex
finally:
tool.end_measurement()
sys.stdout.flush()
sys.stderr.flush()
if __name__ == "__main__":
sys.exit(main(sys.argv))