def run():
productKey = "K3I5ZkgyZjkydGli"
productSecret = "VUFyVE92YVJmSUNQ"
rand = "q9f5UdAlh687grFl0JVuyY6095302ehd"
imei = modem.getDevImei()
VER = '1'
h1 = uhashlib.md5()
h1.update(imei + "," + productSecret + "," + rand)
SIGN = ubinascii.hexlify(h1.digest()).decode()
print("MD5: %s" % SIGN) # 8ab41bc1e5e74fbf9cec16a6e0990d89
DATA = imei + ";" + rand + ";" + SIGN
print("DATA: %s " %DATA)
h1 = uhashlib.sha1(productSecret)
res = ubinascii.hexlify(h1.digest()).decode()
print(res)
res = uhashlib.hash_sha1(res, 20)
print("SHA1(PS) : %s" % res)
aes_key = res[0:16].upper()
print("aes_key : %s" % aes_key)
res = uhashlib.aes_ecb(aes_key, DATA)
print(res)
raw = uhashlib.hash_base64(res)
print(raw)
data = productKey + ";" + raw + ";" + VER
url = "220.180.239.212:8415"
# url = "192.168.25.64:30884"
response = request.post(url, data=data)
print(response.json()) # 获取到密钥
# {'RESPCODE': 10200, 'RESPMSG': 'SUCCESS', 'SERVERURI': 'mqtt://220.180.239.212:8420', 'DS': 'd5f01bddfc994c037be90ede69399ac0'}
return response.json()
def md5_concat(arg1, arg2, arg3):
h = uhashlib.md5(arg1)
h.update(b":")
h.update(arg2)
if arg3 is not None:
h.update(b":")
h.update(arg3)
return ubinascii.hexlify(h.digest()).decode()
def hash_file(fname):
with open(fname, "rb") as f:
buf = bytearray(64 * 1024)
hsh = uhashlib.md5()
while True:
sz = f.readinto(buf)
if not sz:
break
hsh.update(memoryview(buf)[:sz])
return ubinascii.hexlify(hsh.digest()).decode()
def init_key(self):
""" key regeneration """
if len(self.key) > self.blocksize:
self.key = bytearray(_hashlib.md5(key).digest())
elif len(self.key) < self.blocksize:
i = len(self.key)
while i < self.blocksize:
self.key += b"\x00"
i += 1
def calculate():
files = os.listdir()
allFilesHash = ""
hasher = uhashlib.md5(".")
files.sort()
for file in files:
if file.endswith('.py'):
f = open(file, 'r')
contents = f.read()
hasher.update(contents)
f.close()
return ubinascii.hexlify(hasher.digest()).decode()[1:8]
def download(self, link):
try:
resp = requests.get(url=link)
except Exception as e:
print('RESPONSE: failed to perform request: {}'.format(e))
raise
shutil.rmtree(self._tmp_dir)
os.mkdir(self._tmp_dir)
tmp_path = self._tmp_dir + os.sep + self._tmp_name
f = open(tmp_path, 'wb')
shutil.copyfileobj(resp.raw, f)
f.close()
# check md5 sum
filename = link.split('/')[-1]
md5sum = filename.split('.')[-2]
print('firmware downloaded to {}, received md5sum: {}, checking...'.
format(tmp_path, md5sum))
f = open(tmp_path, 'rb')
m = md5()
while True:
buf = f.read(512)
if not buf:
break
m.update(buf)
f.close()
os.sync()
calculated_md5 = hexlify(m.digest()).decode('ascii')
if md5sum != calculated_md5:
print('md5 sum check failed: {} != {}'.format(
md5sum, calculated_md5))
raise Exception()
print('successfully checked md5 sum')
return tmp_path
except:
exists = False
if not exists:
while True:
value = uart.read()
if value != None:
if str(value, 'utf-8') == "dev":
print(dev_eui)
f = open("preset", "x")
f.close()
break
# this uses the UART_1 default pins for TXD and RXD (``P3`` and ``P4``)
app_key = uhashlib.md5(dev_eui)
app_key = app_key.digest()
app_key = binascii.hexlify(app_key)
app_key = app_key.decode("utf-8")
print(
"================================================Pycom Lopy 4 - CSTC ==============================================="
)
print("")
print("")
print(" DevEui : " + dev_eui)
print(" AppKey : " + app_key)
print("")
print("")
print(
"====================================================================================================================="
)
import hashlib import uhashlib md5 = hashlib.md5(b"foo") umd5 = uhashlib.md5(b"foo") md5.update(b"bar") umd5.update(b"bar") assert md5.digest() == umd5.digest()
try:
import uhashlib as hashlib
except ImportError:
try:
import hashlib
except ImportError:
# This is neither uPy, nor cPy, so must be uPy with
# uhashlib module disabled.
print("SKIP")
raise SystemExit
try:
hashlib.md5
except AttributeError:
# MD5 is only available on some ports
print("SKIP")
raise SystemExit
md5 = hashlib.md5(b'hello')
md5.update(b'world')
print(md5.digest())
try:
import uhashlib as hashlib
except ImportError:
try:
import hashlib
except ImportError:
# This is neither uPy, nor cPy, so must be uPy with
# uhashlib module disabled.
print("SKIP")
raise SystemExit
try:
hashlib.md5
except AttributeError:
# MD5 is only available on some ports
print("SKIP")
raise SystemExit
md5 = hashlib.md5(b"hello")
md5.update(b"world")
print(md5.digest())
def calculate_checksum(data):
return uhashlib.md5(data).digest()
import hashlib import uhashlib md5 = hashlib.md5(b"foo") umd5 = uhashlib.md5(b"foo") md5.update(b"bar") umd5.update(b"bar") assert md5.digest() == umd5.digest()