def printer():
device_address = os.urandom(8).encode('hex')
xor = bitshuffle.hardware_xor_from_device_address(device_address)
secret = os.urandom(5).encode('hex')
cc = claiming.encode(xor, int(secret, 16))
printer = hardware.Printer(
device_address=device_address,
hardware_xor=xor,
)
db.session.add(printer)
db.session.commit()
def out(x):
x.write(' address: {}\n'.format(device_address))
x.write(' DB id: {}\n'.format(printer.id))
x.write(' secret: {}\n'.format(secret))
x.write(' xor: {}\n'.format(xor))
x.write(' claim code: {}\n'.format(cc))
path = device_address + '.printer'
with open(path, 'w') as f:
out(f)
out(sys.stdout)
print('\nCreated printer and saved as {}'.format(path))
def printer():
device_address = os.urandom(8).hex()
xor = bitshuffle.hardware_xor_from_device_address(device_address)
secret = os.urandom(5).hex()
cc = claiming.encode(xor, int(secret, 16))
printer = hardware.Printer(
device_address=device_address,
hardware_xor=xor,
)
db.session.add(printer)
db.session.commit()
def out(x):
x.write(' address: {}\n'.format(device_address))
x.write(' DB id: {}\n'.format(printer.id))
x.write(' secret: {}\n'.format(secret))
x.write(' xor: {}\n'.format(xor))
x.write(' claim code: {}\n'.format(cc))
path = device_address + '.printer'
with open(path, 'w') as f:
out(f)
out(sys.stdout)
print('\nCreated printer and saved as {}'.format(path))
def test_coding_from_real_world(self):
device_address = '000d6f000273c164'
# only the last 24 bits of the device address are used
device_address_int = int(device_address, 16) & 0xffffff
# secret only known to printer and claim code
secret = 0xeb1ba696a0
self.assertEqual(
claiming.encode(device_address_int, secret),
'n5ry-p6x6-kth7-7hc4',
)
def test_coding_from_real_world(self):
device_address = '000d6f000273c164'
# only the last 24 bits of the device address are used
device_address_int = int(device_address, 16) & 0xffffff
# secret only known to printer and claim code
secret = 0xeb1ba696a0
self.assertEqual(
claiming.encode(device_address_int, secret),
'n5ry-p6x6-kth7-7hc4',
)
def test_encoding(self):
for cc, device, secret in CC_TEST_VECTORS:
self.assertEqual(claiming.encode(device, secret), cc)
dec_device, dec_secret, _, _ = claiming.unpack_claim_code(cc)
self.assertEqual(dec_device, device)
self.assertEqual(dec_secret, secret)
def test_encoding(self):
for cc, device, secret in CC_TEST_VECTORS:
self.assertEqual(claiming.encode(device, secret), cc)
dec_device, dec_secret, _, _ = claiming.unpack_claim_code(cc)
self.assertEqual(dec_device, device)
self.assertEqual(dec_secret, secret)
