def test_cfb128_aes192_f315():
"""
From NIST special publication 800-38A, section F.3.15
"""
key_str = '8e73b0f7da0e6452c810f32b809079e562f8ead2522c6b7b'
iv_str = '000102030405060708090a0b0c0d0e0f'
pt_str = ('6bc1bee22e409f96e93d7e117393172a'
'ae2d8a571e03ac9c9eb76fac45af8e51'
'30c81c46a35ce411e5fbc1191a0a52ef'
'f69f2445df4f9b17ad2b417be66c3710')
ct_str = ('cdc80d6fddf18cab34c25909c99a4174'
'67ce7f7f81173621961a2b70171d3d7a'
'2e1e8a1dd59b88b1c8e60fed1efac4c9'
'c05f9f9ca9834fa042ae8fba584b09ff')
key_bytes = bytearray([int(v, 16) for v in re.findall(r'..?', key_str)])
iv_bytes = bytearray([int(v, 16) for v in re.findall(r'..?', iv_str)])
pt_bytes = bytearray([int(v, 16) for v in re.findall(r'..?', pt_str)])
pt_copy = copy.copy(pt_bytes)
ct_bytes = bytearray([int(v, 16) for v in re.findall(r'..?', ct_str)])
aes_cfb = AES(mode='cfb', key=key_bytes, iv=iv_bytes)
aes_cfb.encrypt(pt_bytes)
assert pt_bytes == ct_bytes, "AES CFB mode encryption failure"
aes_cfb.reset()
aes_cfb.decrypt(pt_bytes)
assert pt_bytes == pt_copy, "AES CFB mode decryption failure"
def test_wrong_input(self, key, data):
with self.assertRaises(TypeError, msg='You should handle wrong input'):
a = AES(key)
plaintext = data
encrypted = a.encrypt(plaintext)
a.decrypt(encrypted)
def test_ofb_aes256_f46():
"""
From NIST special publication 800-38A, section F.4.6
"""
key_str = '603deb1015ca71be2b73aef0857d77811f352c073b6108d72d9810a30914dff4'
iv_str = '000102030405060708090a0b0c0d0e0f'
ct_str = (
'dc7e84bfda79164b7ecd8486985d3860'
'4febdc6740d20b3ac88f6ad82a4fb08d'
'71ab47a086e86eedf39d1c5bba97c408'
'0126141d67f37be8538f5a8be740e484'
)
pt_str = (
'6bc1bee22e409f96e93d7e117393172a'
'ae2d8a571e03ac9c9eb76fac45af8e51'
'30c81c46a35ce411e5fbc1191a0a52ef'
'f69f2445df4f9b17ad2b417be66c3710'
)
key_bytes = bytearray([int(v, 16) for v in re.findall(r'..?', key_str)])
iv_bytes = bytearray([int(v, 16) for v in re.findall(r'..?', iv_str)])
ct_bytes = bytearray([int(v, 16) for v in re.findall(r'..?', ct_str)])
ct_copy = copy.copy(ct_bytes)
pt_bytes = bytearray([int(v, 16) for v in re.findall(r'..?', pt_str)])
aes_ofb = AES(mode='ofb', key=key_bytes, iv=iv_bytes)
aes_ofb.decrypt(ct_bytes)
assert ct_bytes == pt_bytes, "AES OFB mode encryption failure"
aes_ofb.reset()
aes_ofb.encrypt(ct_bytes)
assert ct_bytes == ct_copy, "AES OFB mode decryption failure"
def test_cfb128_aes192_f315():
"""
From NIST special publication 800-38A, section F.3.15
"""
key_str = '8e73b0f7da0e6452c810f32b809079e562f8ead2522c6b7b'
iv_str = '000102030405060708090a0b0c0d0e0f'
pt_str = (
'6bc1bee22e409f96e93d7e117393172a'
'ae2d8a571e03ac9c9eb76fac45af8e51'
'30c81c46a35ce411e5fbc1191a0a52ef'
'f69f2445df4f9b17ad2b417be66c3710'
)
ct_str = (
'cdc80d6fddf18cab34c25909c99a4174'
'67ce7f7f81173621961a2b70171d3d7a'
'2e1e8a1dd59b88b1c8e60fed1efac4c9'
'c05f9f9ca9834fa042ae8fba584b09ff'
)
key_bytes = bytearray([int(v, 16) for v in re.findall(r'..?', key_str)])
iv_bytes = bytearray([int(v, 16) for v in re.findall(r'..?', iv_str)])
pt_bytes = bytearray([int(v, 16) for v in re.findall(r'..?', pt_str)])
pt_copy = copy.copy(pt_bytes)
ct_bytes = bytearray([int(v, 16) for v in re.findall(r'..?', ct_str)])
aes_cfb = AES(mode='cfb', key=key_bytes, iv=iv_bytes)
aes_cfb.encrypt(pt_bytes)
assert pt_bytes == ct_bytes, "AES CFB mode encryption failure"
aes_cfb.reset()
aes_cfb.decrypt(pt_bytes)
assert pt_bytes == pt_copy, "AES CFB mode decryption failure"
def test_cbc_128_f21():
"""
Verify that 4-block CBC encryption works
From NIST special publication 800-38A, section F.2.1
"""
key_str = '2b7e151628aed2a6abf7158809cf4f3c'
iv_str = '000102030405060708090a0b0c0d0e0f'
pt_str = ('6bc1bee22e409f96e93d7e117393172a'
'ae2d8a571e03ac9c9eb76fac45af8e51'
'30c81c46a35ce411e5fbc1191a0a52ef'
'f69f2445df4f9b17ad2b417be66c3710')
ct_str = ('7649abac8119b246cee98e9b12e9197d'
'5086cb9b507219ee95db113a917678b2'
'73bed6b8e3c1743b7116e69e22229516'
'3ff1caa1681fac09120eca307586e1a7')
key_bytes = bytearray([int(v, 16) for v in re.findall(r'..?', key_str)])
iv_bytes = bytearray([int(v, 16) for v in re.findall(r'..?', iv_str)])
pt_bytes = bytearray([int(v, 16) for v in re.findall(r'..?', pt_str)])
pt_copy = copy.copy(pt_bytes)
ct_bytes = bytearray([int(v, 16) for v in re.findall(r'..?', ct_str)])
aes_cbc = AES(mode='cbc', key=key_bytes, iv=iv_bytes)
aes_cbc.encrypt(pt_bytes)
assert pt_bytes == ct_bytes, "AES CBC mode encryption failure"
aes_cbc.reset()
aes_cbc.decrypt(pt_bytes)
assert pt_bytes == pt_copy, "AES CBC mode decryption failure"
def test_ctr_aes192_f53():
"""
From NIST special publication 800-38A, section F.5.3
"""
key_str = '8e73b0f7da0e6452c810f32b809079e562f8ead2522c6b7b'
counter_str = 'f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff'
pt_str = (
'6bc1bee22e409f96e93d7e117393172a'
'ae2d8a571e03ac9c9eb76fac45af8e51'
'30c81c46a35ce411e5fbc1191a0a52ef'
'f69f2445df4f9b17ad2b417be66c3710'
)
ct_str = (
'1abc932417521ca24f2b0459fe7e6e0b'
'090339ec0aa6faefd5ccc2c6f4ce8e94'
'1e36b26bd1ebc670d1bd1d665620abf7'
'4f78a7f6d29809585a97daec58c6b050'
)
key_bytes = bytearray([int(v, 16) for v in re.findall(r'..?', key_str)])
counter_bytes = bytearray([int(v, 16) for v in re.findall(r'..?', counter_str)])
pt_bytes = bytearray([int(v, 16) for v in re.findall(r'..?', pt_str)])
pt_copy = copy.copy(pt_bytes)
ct_bytes = bytearray([int(v, 16) for v in re.findall(r'..?', ct_str)])
aes_ctr = AES(mode='ctr', key=key_bytes, iv=counter_bytes)
aes_ctr.encrypt(pt_bytes)
assert pt_bytes == ct_bytes, "AES CTR mode encryption failure"
aes_ctr.reset()
aes_ctr.decrypt(pt_bytes)
assert pt_bytes == pt_copy, "AES CTR mode decryption failure"
def test_cbc_128_f21():
"""
Verify that 4-block CBC encryption works
From NIST special publication 800-38A, section F.2.1
"""
key_str = '2b7e151628aed2a6abf7158809cf4f3c'
iv_str = '000102030405060708090a0b0c0d0e0f'
pt_str = (
'6bc1bee22e409f96e93d7e117393172a'
'ae2d8a571e03ac9c9eb76fac45af8e51'
'30c81c46a35ce411e5fbc1191a0a52ef'
'f69f2445df4f9b17ad2b417be66c3710'
)
ct_str = (
'7649abac8119b246cee98e9b12e9197d'
'5086cb9b507219ee95db113a917678b2'
'73bed6b8e3c1743b7116e69e22229516'
'3ff1caa1681fac09120eca307586e1a7'
)
key_bytes = bytearray([int(v, 16) for v in re.findall(r'..?', key_str)])
iv_bytes = bytearray([int(v, 16) for v in re.findall(r'..?', iv_str)])
pt_bytes = bytearray([int(v, 16) for v in re.findall(r'..?', pt_str)])
pt_copy = copy.copy(pt_bytes)
ct_bytes = bytearray([int(v, 16) for v in re.findall(r'..?', ct_str)])
aes_cbc = AES(mode='cbc', key=key_bytes, iv=iv_bytes)
aes_cbc.encrypt(pt_bytes)
assert pt_bytes == ct_bytes, "AES CBC mode encryption failure"
aes_cbc.reset()
aes_cbc.decrypt(pt_bytes)
assert pt_bytes == pt_copy, "AES CBC mode decryption failure"
def test_ctr_aes192_f53():
"""
From NIST special publication 800-38A, section F.5.3
"""
key_str = '8e73b0f7da0e6452c810f32b809079e562f8ead2522c6b7b'
counter_str = 'f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff'
pt_str = ('6bc1bee22e409f96e93d7e117393172a'
'ae2d8a571e03ac9c9eb76fac45af8e51'
'30c81c46a35ce411e5fbc1191a0a52ef'
'f69f2445df4f9b17ad2b417be66c3710')
ct_str = ('1abc932417521ca24f2b0459fe7e6e0b'
'090339ec0aa6faefd5ccc2c6f4ce8e94'
'1e36b26bd1ebc670d1bd1d665620abf7'
'4f78a7f6d29809585a97daec58c6b050')
key_bytes = bytearray([int(v, 16) for v in re.findall(r'..?', key_str)])
counter_bytes = bytearray(
[int(v, 16) for v in re.findall(r'..?', counter_str)])
pt_bytes = bytearray([int(v, 16) for v in re.findall(r'..?', pt_str)])
pt_copy = copy.copy(pt_bytes)
ct_bytes = bytearray([int(v, 16) for v in re.findall(r'..?', ct_str)])
aes_ctr = AES(mode='ctr', key=key_bytes, iv=counter_bytes)
aes_ctr.encrypt(pt_bytes)
assert pt_bytes == ct_bytes, "AES CTR mode encryption failure"
aes_ctr.reset()
aes_ctr.decrypt(pt_bytes)
assert pt_bytes == pt_copy, "AES CTR mode decryption failure"
def test_ofb_aes256_f46():
"""
From NIST special publication 800-38A, section F.4.6
"""
key_str = '603deb1015ca71be2b73aef0857d77811f352c073b6108d72d9810a30914dff4'
iv_str = '000102030405060708090a0b0c0d0e0f'
ct_str = ('dc7e84bfda79164b7ecd8486985d3860'
'4febdc6740d20b3ac88f6ad82a4fb08d'
'71ab47a086e86eedf39d1c5bba97c408'
'0126141d67f37be8538f5a8be740e484')
pt_str = ('6bc1bee22e409f96e93d7e117393172a'
'ae2d8a571e03ac9c9eb76fac45af8e51'
'30c81c46a35ce411e5fbc1191a0a52ef'
'f69f2445df4f9b17ad2b417be66c3710')
key_bytes = bytearray([int(v, 16) for v in re.findall(r'..?', key_str)])
iv_bytes = bytearray([int(v, 16) for v in re.findall(r'..?', iv_str)])
ct_bytes = bytearray([int(v, 16) for v in re.findall(r'..?', ct_str)])
ct_copy = copy.copy(ct_bytes)
pt_bytes = bytearray([int(v, 16) for v in re.findall(r'..?', pt_str)])
aes_ofb = AES(mode='ofb', key=key_bytes, iv=iv_bytes)
aes_ofb.decrypt(ct_bytes)
assert ct_bytes == pt_bytes, "AES OFB mode encryption failure"
aes_ofb.reset()
aes_ofb.encrypt(ct_bytes)
assert ct_bytes == ct_copy, "AES OFB mode decryption failure"
def __handleDecryptClick(self):
try:
if (len(self.__output.toPlainText()) > 0):
self.__output.document().clear()
aes = AES(self.__keyEdit.text(), self.__msgEdit.text())
aes.decrypt()
self.__output.document().setPlainText(aes.getOutput())
except:
pass
def _test_ecb(test_vals, test_key):
for pt_str, ct_str in test_vals:
pt_bytes = bytearray([int(v, 16) for v in re.findall(r'..?', pt_str)])
pt_copy = copy.copy(pt_bytes)
ct_bytes = bytearray([int(v, 16) for v in re.findall(r'..?', ct_str)])
aes_ecb = AES(mode='ecb', key=test_key)
aes_ecb.encrypt(pt_bytes)
assert pt_bytes == ct_bytes, "AES ECB mode encryption failure"
aes_ecb.decrypt(pt_bytes)
assert pt_bytes == pt_copy, "AES ECB mode decryption failure"
def _test_ecb(test_vals, test_key):
for pt_str, ct_str in test_vals:
pt_bytes = bytearray([int(v, 16) for v in re.findall(r'..?', pt_str)])
pt_copy = copy.copy(pt_bytes)
ct_bytes = bytearray([int(v, 16) for v in re.findall(r'..?', ct_str)])
aes_ecb = AES(mode='ecb', key=test_key)
aes_ecb.encrypt(pt_bytes)
assert pt_bytes == ct_bytes, "AES ECB mode encryption failure"
aes_ecb.decrypt(pt_bytes)
assert pt_bytes == pt_copy, "AES ECB mode decryption failure"
def cbc_decrypted(key, cyphertext, file_name):
aes_object = AES(key)
iv = cyphertext[:16]
iv_previous = iv
blocks_arr = split_blocks(cyphertext[16:])
with open(file_name, 'ab') as fo_dec:
for block in blocks_arr[:-1]:
iv_x = aes_object.decrypt(block)
plaintext = bytes_xor(iv_x, iv_previous)
fo_dec.write(plaintext)
iv_previous = block
iv_x = aes_object.decrypt(blocks_arr[-1])
plaintext = bytes_xor(iv_x, iv_previous)
fo_dec.write(unpad(plaintext))
print("File was decrypted successfully by CBC MODE")
class AES_TEST(unittest.TestCase):
def setUp(self):
master_key = 0x2b7e151628aed2a6abf7158809cf4f3c
self.AES = AES(master_key)
def test_decryption(self):
global plaintext
ciphertext = self.AES.encrypt(plaintext)
decrypted = self.AES.decrypt(ciphertext)
self.assertEqual(plaintext)
def test_system(self, key, data):
a = AES(int(hex(key), 16))
plaintext = data
encrypted = a.encrypt(plaintext)
decrypted = a.decrypt(encrypted)
self.assertFalse(encrypted == decrypted, 'Data is not encrypted')
self.assertEqual(
decrypted, data,
'Something is wrong with encryption - decryption process')
def test_system(key, data):
"""
Encrypt and decrypt @key and @data
"""
a = AES(key)
plaintext = data
encrypted = a.encrypt(plaintext)
decrypted = a.decrypt(encrypted)
# check if data is encrypted
assert encrypted != decrypted, 'Data is not encrypted!'
return decrypted
class AES_TEST(unittest.TestCase):
def setUp(self):
master_key = 0x2b7e151628aed2a6abf7158809cf4f3c
self.AES = AES(master_key)
def test_encryption(self):
plaintext = 0x3243f6a8885a308d313198a2e0370734
encrypted = self.AES.encrypt(plaintext)
self.assertEqual(encrypted, 0x3925841d02dc09fbdc118597196a0b32)
def test_decryption(self):
ciphertext = 0x3925841d02dc09fbdc118597196a0b32
decrypted = self.AES.decrypt(ciphertext)
self.assertEqual(decrypted, 0x3243f6a8885a308d313198a2e0370734)
class AES_TEST(unittest.TestCase):
def setUp(self):
master_key = 0x2b7e151628aed2a6abf7158809cf4f3c
self.AES = AES(master_key)
def test_encryption(self):
plaintext = 0x3243f6a8885a308d313198a2e0370734
encrypted = self.AES.encrypt(plaintext)
self.assertEqual(encrypted, 0x3925841d02dc09fbdc118597196a0b32)
def test_decryption(self):
ciphertext = 0x3925841d02dc09fbdc118597196a0b32
decrypted = self.AES.decrypt(ciphertext)
self.assertEqual(decrypted, 0x3243f6a8885a308d313198a2e0370734)
def rcvAESmsg():
"""
接收AES加密的消息并解密保存在plaintext.txt
"""
jsonmsg = flask.request.get_json(force=True)
rcvMsg = jsonmsg['AEScipherInt']
aesdecryp = AES(app.config['aesKey'])
plainTextInt = aesdecryp.decrypt(rcvMsg)
plainText = plainTextInt.to_bytes(128, 'big', signed=False).decode('utf-8')
plainText = plainText.lstrip(b'\x00'.decode('utf-8'))
with open('./plaintext.txt', 'w') as fileObj:
fileObj.write(plainText)
return 'Get message', 201
def get_challenge_response(self, challenge, secret_style, salt):
m = hashlib.sha256()
m.update(BotClient.get_shared_secret(self.password, secret_style, salt))
digest = m.digest()
key = [digest[0:16], digest[16:32]]
for i in range(2):
key[i] = array('B', key[i]).tolist()
aes = AES()
challenge = aes.decrypt(challenge, key[1], 16)
challenge = aes.decrypt(challenge, key[0], 16)
r = unpack('>i', pack('BBBB', challenge[0], challenge[1], challenge[2], challenge[3]))[0] + 1
response = array('B', pack('>i', r)).tolist()
while len(response) < 16:
response.append(0)
response = aes.encrypt(response, key[0], 16)
response = aes.encrypt(response, key[1], 16)
return response
def cbc_decrypt(cache, cipher, inv=None):
if cache is None:
raise ValueError('Key cache is NULL.')
elif cipher is None:
raise ValueError('Ciphertext is NULL.')
else:
aes = AES()
nbr_rounds = 0
esize = len(cache)
if esize == aes.ekeySize['SIZE_128']:
nbr_rounds = 10
elif esize == aes.ekeySize['SIZE_192']:
nbr_rounds = 12
elif esize == aes.ekeySize['SIZE_256']:
nbr_rounds = 14
else:
raise ValueError('Expanded key has size incorrect.'
'Size should be 176, 208, or either 240 bytes.')
# the AES input/output
ciphertext = []
iput = []
output = []
plaintext = [0] * 16
# the output plain text string
string_out = bytes()
if inv is None:
inv = [0] * 16
# char firstRound
first_round = True
if cipher != None:
for j in range(int(math.ceil(float(len(cipher))/16))):
start = j * 16
end = start + 16
if j * 16 + 16 > len(cipher):
end = len(cipher)
ciphertext = cipher[start:end]
output = aes.decrypt(ciphertext, cache, nbr_rounds)
for i in range(16):
if first_round:
plaintext[i] = inv[i] ^ output[i]
else:
plaintext[i] = iput[i] ^ output[i]
first_round = False
string_out += struct.pack('B' *len(plaintext), *plaintext)
iput = ciphertext
return string_out
def cbc_decrypt(cache, cipher, inv=None):
if cache is None:
raise ValueError('Key cache is NULL.')
elif cipher is None:
raise ValueError('Ciphertext is NULL.')
else:
aes = AES()
nbr_rounds = 0
esize = len(cache)
if esize == aes.ekeySize['SIZE_128']:
nbr_rounds = 10
elif esize == aes.ekeySize['SIZE_192']:
nbr_rounds = 12
elif esize == aes.ekeySize['SIZE_256']:
nbr_rounds = 14
else:
raise ValueError('Expanded key has size incorrect.'
'Size should be 176, 208, or either 240 bytes.')
# the AES input/output
ciphertext = []
iput = []
output = []
plaintext = [0] * 16
# the output plain text string
string_out = bytes()
if inv is None:
inv = [0] * 16
# char firstRound
first_round = True
if cipher != None:
for j in range(int(math.ceil(float(len(cipher)) / 16))):
start = j * 16
end = start + 16
if j * 16 + 16 > len(cipher):
end = len(cipher)
ciphertext = cipher[start:end]
output = aes.decrypt(ciphertext, cache, nbr_rounds)
for i in range(16):
if first_round:
plaintext[i] = inv[i] ^ output[i]
else:
plaintext[i] = iput[i] ^ output[i]
first_round = False
string_out += struct.pack('B' * len(plaintext), *plaintext)
iput = ciphertext
return string_out
def DecryptData(cipherText, HandlerAESKey, Server):
AESfunct = AES(HandlerAESKey)
stringOfCipherText = str(hex(cipherText))
stringOfCipherText = stringOfCipherText[2:]
listOfBlocks = textwrap.wrap(stringOfCipherText, 32)
decryptedString = "0x"
i = 0
for x in listOfBlocks:
#print("Decrypting Block %d = "%i,x)
xHex = int(x, 16)
decryptedData = AES.decrypt(AESfunct, xHex)
tempStr = str(hex(decryptedData))
tempStr = tempStr[2:]
decryptedString += tempStr
i += 1
temp = binascii.unhexlify(((str('%00x' % int(decryptedString, 16)))))
tempDecoded = str(temp, 'utf-8')[:]
Server.Evidence = tempDecoded
return 0
from binascii import hexlify
from aes import AES # AES
import os # urandom
plaintext = 'this is an arbitrary string'
# Quick check that we can indeed encrypt any standard ASCII
padding = ''.join(chr(c) for c in range(256))
print('[ Initializing ]')
salt = hexlify(os.urandom(16)).decode()
password = hexlify(os.urandom(16))
cipher = AES(salt, password)
print('[ Testing ]')
print('Plaintext:', plaintext)
# Encrypt with padding to prove that the padding works
encrypted = cipher.encrypt(plaintext + padding)
print('Encrypted:', encrypted)
decrypted = cipher.decrypt(encrypted)
decrypted_padding = decrypted[-len(padding):]
# Assert instead of print because it's just padding
assert padding == decrypted_padding
print('Decrypted:', decrypted[:-len(padding)])
class MasterController:
def __init__(self, address, txseq, rxseq, key, interface, command_queue):
self.address = address
self.txseq = txseq
self.rxseq = rxseq
self.key = [int(x) for x in key.split()]
self.aes = AES()
self.interface = interface
self.supply_voltage = 0
self.periodic = 10
self.logger = logging.getLogger("logger")
self.pressed_buttons = 0
self.command_queue = command_queue
self.all_locked = False
def update(self, message):
if len(message) != 16:
self.logger.warning("The received message is not 16 bytes long")
return
message = self.aes.decrypt([ord(x) for x in message], self.key, AES.keySize["SIZE_128"])
message = "".join([chr(x) for x in message])
self.logger.debug("Decoded message: %s" % str(list(message)))
p = Packet.fromMessage(message)
if p.cmd == 83:
self.supply_voltage = ord(p.data[3]) * 0.1
pressed_buttons = ord(p.data[0])
self.logger.debug("master: pressed_buttons = %d", pressed_buttons)
if pressed_buttons & 0x01 and not self.pressed_buttons & 0x01:
self.pressed_buttons |= 0x01
self.command_queue.put("lock")
elif not pressed_buttons & 0x01:
self.pressed_buttons &= ~0x01
if pressed_buttons & 0x02 and not self.pressed_buttons & 0x02:
self.pressed_buttons |= 0x02
self.command_queue.put("toggle_announce")
elif not pressed_buttons & 0x02:
self.pressed_buttons &= ~0x02
if pressed_buttons & 0x04 and not self.pressed_buttons & 0x04:
self.pressed_buttons |= 0x04
elif not pressed_buttons & 0x04:
self.pressed_buttons &= ~0x04
self.logger.info("Master state: %s" % self.get_state())
def get_state(self):
state = ""
state = state + " Voltage=%.1f V" % self.supply_voltage
state = state.strip()
return state
def tick(self):
self.periodic -= 1
if self.periodic == 0:
self.periodic = 2
self._send_command(ord("S"), "")
if self.all_locked:
self._send_command(ord("L"), "\x00\x04")
else:
self._send_command(ord("L"), "\x00\x00")
def _send_command(self, command, data):
p = Packet(seq=self.txseq, cmd=command, data=data)
self.logger.debug("Msg to mastercontroller: %s" % list(p.toMessage()))
msg = self.aes.encrypt([ord(x) for x in p.toMessage()], self.key, AES.keySize["SIZE_128"])
msg = "".join([chr(x) for x in msg])
self.interface.writeMessage(self.address, msg)
def announce_open(self):
self._send_command(ord("L"), "\x02\x04")
def announce_closed(self):
self._send_command(ord("L"), "\x02\x01")
def set_global_state(self, all_locked):
self.all_locked = all_locked
def decrypt_data(ciphertext, master_key):
AESfunct = AES(master_key)
decrypted = AES.decrypt(AESfunct, ciphertext)
return decrypted
p = psutil.Process(os.getpid())
proc_list = p.cpu_affinity()
p.cpu_affinity([proc_list[-1]])
# Perform several encryption / decryption operations
random_iv = bytearray(os.urandom(16))
random_key = bytearray(os.urandom(16))
data = bytearray(list(range(256)))
data1 = data[:151]
data2 = data[151:]
# Note: __PROFILE_AES__ must be defined when building the native
# module in order for the print statements below to work
aes_ctr = AES(mode='ctr', key=random_key, iv=random_iv)
result = aes_ctr.encrypt(data1)
if result:
print('Encrypted data1 in: %5d cycles' % result)
result = aes_ctr.encrypt(data2)
if result:
print('Encrypted data2 in: %5d cycles' % result)
data_new = data1 + data2
aes_ctr = AES(mode='ctr', key=random_key, iv=random_iv)
result = aes_ctr.decrypt(data_new)
if result:
print('Decrypted data in: %5d cycles' % result)
assert data == data_new, "The demo has failed."
def get_urls(url):
urls = []
servers = {
1: {
'server':
'http://58.254.39.6:80/',
'cmd':
'\x36\x00\x00\x00\x09\x00\x00\x00',
'key':
'\xB6\xC3\x0A\xEB\x99\xCA\xF8\x49\xA7\x34\xCE\x4B\xFD\x90\x6C\x54'
},
2: {
'server':
'http://123.129.242.169:80/',
'cmd':
'\x36\x00\x00\x00\x55\x00\x00\x00',
'key':
'\x18\x3A\x7F\x85\xE4\x21\xC7\x58\x06\x18\x6C\x63\x32\x86\x1E\xCD'
},
#3:{'server': 'http://123.129.242.168:80/',
# 'cmd': '\x36\x00\x00\x00\x57\x00\x00\x00',
# 'key': '\x64\x91\x63\x9D\xE8\x09\x87\x4D\xA5\x0A\x12\x02\x3F\x25\x3C\xF0'}
#4:{'server': 'http://123.129.242.168:80/',
# 'cmd':'\x36\x00\x00\x00\xf7\x00\x00\x00',
# 'key':'\x2D\x33\xD2\x89\x46\xC3\xF8\x39\x76\x7B\xC4\x2F\x46\x1C\x45\x4C'}
}
for s in servers.values():
server = s['server']
cmd = s['cmd']
key = s['key']
a = AES(key)
plaintext = ''
plaintext += 'd\x02\x05\x00\x00\x00\xd1\x07\x00'
plaintext += pack('<l', len(url))
plaintext += url
plaintext += '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\n\x00\x00\x00\x00\x10\x00\x00\x0000030D3F968AAYV4\x00\x00\x00\x00j\x01\x00\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x000000\x04\x00\x00\x00'
#alignment
length = len(plaintext)
_, extra = divmod(length, 16)
if extra:
plaintext += chr(extra) * (16 - extra)
else:
plaintext += chr(16) * 16
#printf(plaintext)
#encryption
ciphertext = a.encrypt(plaintext)
#printf(ciphertext)
#add 12 bytes[command+len]
data = ''
data += cmd
data += pack('<l', len(ciphertext))
data += ciphertext
#printf(data)
headers = {
'Accept': '*/*',
'Content-type': 'application/octet-stream',
'Connection': 'Keep-Alive',
}
opener = urllib2.build_opener()
urllib2.install_opener(opener)
request = urllib2.Request(server, headers=headers, data=data)
try:
conn = urllib2.urlopen(request)
except urllib2.URLError:
continue
result = conn.read()
#decryption;ignore the first 12 bytes.
plaintext = a.decrypt(result[12:])
#printf(plaintext)
urls.extend(parse(plaintext))
return list(set(urls))
p = psutil.Process(os.getpid())
proc_list = p.cpu_affinity()
p.cpu_affinity([proc_list[-1]])
# Perform several encryption / decryption operations
random_iv = bytearray(os.urandom(16))
random_key = bytearray(os.urandom(16))
data = bytearray(list(range(256)))
data1 = data[:151]
data2 = data[151:]
# Note: __PROFILE_AES__ must be defined when building the native
# module in order for the print statements below to work
aes_ctr = AES(mode='ctr', key=random_key, iv=random_iv)
result = aes_ctr.encrypt(data1)
if result:
print('Encrypted data1 in: %5d cycles' % result)
result = aes_ctr.encrypt(data2)
if result:
print('Encrypted data2 in: %5d cycles' % result)
data_new = data1 + data2
aes_ctr = AES(mode='ctr', key=random_key, iv=random_iv)
result = aes_ctr.decrypt(data_new)
if result:
print('Decrypted data in: %5d cycles' % result)
assert data == data_new, "The demo has failed."
def serialize_and_deserialize(t):
m, cipher, _ = t
pt = " ".join(map(str, m))
ct = " ".join(map(str, cipher))
return (to_bytes(pt), to_bytes(ct), 0)
for (pt, ct, _) in tuples:
pt = to_bytes(pt)
ct = to_bytes(ct)
test = False
# to test the functionality of my comparations
if test:
m = list(urandom(16))
cipher = aes.encrypt(m, bytes, 16)
pt, ct, _ = serialize_and_deserialize((m, cipher, 0))
if len(pt) != len(ct):
print("Length of messages does not match")
res = aes.decrypt(ct, bytes, 16)
if pt != res:
print("Got {} instead of {}".format(res, pt))
break
if test:
print("Test passed")
break
for _ in range(16):
key_digit = hex(random.randint(0, 255))[2:]
if len(key_digit) == 1:
key_digit = "0" + key_digit
private_key += key_digit
# PLAINTEXT
for _ in range(num_blocks * 16):
text_digit = hex(random.randint(0, 127))[2:]
if len(text_digit) == 1:
text_digit = "0" + text_digit
plaintext += text_digit
aes = AES(private_key)
ciphertext = aes.encrypt(plaintext)
decrypted_text = aes.decrypt(ciphertext)
if plaintext != decrypted_text:
# Log data if there is a mismatch
print("NOT MATCHING")
print("Key: ", key)
print("PLaintext: ", plaintext)
print("Length of plaintext", len(plaintext))
print()
print(decrypted_text)
exit()
except Exception:
# Log data if there is an exception
print("Met exception!")
print("Key: ", key)
print("PLaintext: ", plaintext)
import os, psutil
from aes import AES
# Pin the Python process to the last CPU to measure performance
# Note: this code works for psutil 1.2.x, not 2.x!
cpu_count = psutil.NUM_CPUS
p = psutil.Process(os.getpid())
proc_list = p.get_cpu_affinity()
p.set_cpu_affinity([proc_list[-1]])
# Perform several encryption / decryption operations
random_iv = bytearray(os.urandom(16))
random_key = bytearray(os.urandom(16))
data = bytearray(list(range(256)))
data1 = data[:151]
data2 = data[151:]
# Note: __PROFILE_AES__ must be defined when building the native
# module in order for the print statements below to work
aes_ctr = AES(mode='ctr', key=random_key, iv=random_iv)
print('Encrypted data1 in: %5d cycles' % aes_ctr.encrypt(data1))
print('Encrypted data2 in: %5d cycles' % aes_ctr.encrypt(data2))
data_new = data1 + data2
aes_ctr = AES(mode='ctr', key=random_key, iv=random_iv)
print('Decrypted data in: %5d cycles' % aes_ctr.decrypt(data_new))
print(data == data_new)
print("Testing MD5")
print(
f"{sum([test_md5(phrase) for phrase in test_phrases])}/{len(test_phrases)} tests successful"
)
print("Testing AES")
# assert AES.mult(0x57, 0x83) == 0xC1, "Issue with multiplication function, {57} . {83} = {C1}"
# assert AES.xtime(0x57, 1) == 0xAE, "Issue with xtime function, xtime({57}) = {AE}"
print("All tests successful")
# C.1 AES-128 (Nk=4, Nr=10) - Working
# test_message = 0x00112233445566778899aabbccddeeff.to_bytes(16, 'big')
# test_key = 0x000102030405060708090a0b0c0d0e0f.to_bytes(16, 'big')
# C.2 AES-192 (Nk=6, Nr=12) - Working
# test_message = 0x00112233445566778899aabbccddeeff.to_bytes(16, 'big')
# test_key = 0x000102030405060708090a0b0c0d0e0f1011121314151617.to_bytes(24, 'big')
# C.3 AES-256 (Nk=8, Nr=14) - Working
test_message = 0x00112233445566778899aabbccddeeff.to_bytes(16, 'big')
test_key = 0x000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f.to_bytes(
32, 'big')
# C.3 AES-256 (Nk=8, Nr=14) - Working
# test_message = 0x00112233445566778899aabbccddeeff.to_bytes(16, 'big')
test_message = "Hello"
test_key = 0x000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f.to_bytes(
32, 'big')
print(AES.decrypt(AES.encrypt(test_message, test_key), test_key))
class Door:
DOOR_CLOSED = (1 << 0)
LOCK_LOCKED = (1 << 1)
LOCK_UNLOCKED = (1 << 2)
LOCK_LOCKING = (1 << 3)
LOCK_UNLOCKING = (1 << 4)
HANDLE_PRESSED = (1 << 5)
LOCK_PERM_UNLOCKED = (1 << 6)
def __init__(self, name, address, txseq, rxseq, key, interface,
initial_unlock):
self.name = name
self.address = address
self.txseq = txseq
self.rxseq = rxseq
self.key = [int(x) for x in key.split()]
self.aes = AES()
self.interface = interface
self.open = False
self.closed = False
self.locked = False
self.unlocked = False
self.supply_voltage = 0
self.command_time = 0
self.command_accepted = None
self.command = None
self.periodic = 10
self.relock_time = 0
self.desired_state = Door.LOCK_LOCKED
self.buttons_toggle_state = None
self.logger = logging.getLogger('logger')
self.pressed_buttons = 0
self.initial_unlock = initial_unlock
def unlock(self, relock_timeout=0):
self.desired_state = Door.LOCK_UNLOCKED
self.relock_time = time.time() + relock_timeout
#if timeout:
# self._send_command(command=ord('D'), data='\x02')
#else:
# self._send_command(command=ord('D'), data='\x01')
def lock(self):
self.desired_state = Door.LOCK_LOCKED
self._send_command(command=ord('D'), data='\x00')
def update(self, message):
if len(message) != 16:
self.logger.warning("The received message is not 16 bytes long")
return
message = self.aes.decrypt([ord(x) for x in message], self.key,
AES.keySize["SIZE_128"])
message = ''.join([chr(x) for x in message])
self.logger.debug("Decoded message: %s" % str(list(message)))
p = Packet.fromMessage(message)
if p.cmd == 83:
self.supply_voltage = ord(p.data[3]) * 0.1
'''
pressed_buttons = 0
if self.buttons_toggle_state == None:
self.buttons_toggle_state = ord(p.data[0])
else:
pressed_buttons = self.buttons_toggle_state ^ ord(p.data[0])
self.buttons_toggle_state = ord(p.data[0])
if pressed_buttons:
self.logger.info('Got pressed buttons: %d' % pressed_buttons)
if pressed_buttons & 0x01:
'''
pressed_buttons = ord(p.data[0])
if pressed_buttons & 0x01 and not self.pressed_buttons & 0x01:
self.pressed_buttons |= 0x01
if self.desired_state == Door.LOCK_LOCKED:
self.desired_state = Door.LOCK_UNLOCKED
elif self.desired_state == Door.LOCK_UNLOCKED:
self.desired_state = Door.LOCK_LOCKED
elif not pressed_buttons & 0x01:
self.pressed_buttons &= ~0x01
doorstate = ord(p.data[1])
state = ''
self.closed = doorstate & Door.DOOR_CLOSED \
== Door.DOOR_CLOSED
self.locked = doorstate & Door.LOCK_LOCKED \
== Door.LOCK_LOCKED
self.unlocked = doorstate & Door.LOCK_UNLOCKED \
== Door.LOCK_UNLOCKED
self.locking = doorstate & Door.LOCK_LOCKING \
== Door.LOCK_LOCKING
self.unlocking = doorstate & Door.LOCK_UNLOCKING \
== Door.LOCK_UNLOCKING
self.handle_pressed = doorstate & Door.HANDLE_PRESSED \
== Door.HANDLE_PRESSED
self.perm_unlocked = doorstate & Door.LOCK_PERM_UNLOCKED \
== Door.LOCK_PERM_UNLOCKED
self.logger.info('Door state: %s' % self.get_state())
self.logger.info('Desired door state: %s' %
self.get_desired_state())
elif p.cmd == ord('A'):
accepted = ord(p.data[0]) == 1
if not self.command_accepted:
if accepted:
self.logger.info('Command at %d was accepted' %
self.command_time)
self.command_accepted = True
else:
self.logger.warning('Command at %d was NOT accepted' %
self.command_time)
def get_state(self):
state = ''
if self.closed:
state += ' CLOSED'
if self.locked:
state += ' LOCKED'
if self.unlocked:
state += ' UNLOCKED'
if self.locking:
state += ' LOCKING'
if self.unlocking:
state += ' UNLOCKING'
if self.handle_pressed:
state += ' HANDLE_PRESSED'
if self.perm_unlocked:
state += ' PERM_UNLOCKED'
state = state.strip()
state = state + ' Voltage=%.1f V' % self.supply_voltage
return state
def get_desired_state(self):
state = ''
if self.desired_state & Door.LOCK_LOCKED:
state += ' LOCKED'
if self.desired_state & Door.LOCK_UNLOCKED:
state += ' UNLOCKED'
state = state.strip()
return state
def tick(self):
self.periodic -= 1
if self.periodic == 0:
self.periodic = 2
self._send_command(ord('D'), chr(self.desired_state))
if self.relock_time:
if time.time() > self.relock_time:
self.desired_state = Door.LOCK_LOCKED
self.relock_time = 0
'''
if time.time() - self.command_time > 5:
if self.command_accepted == False:
print 'Error: Command at %d was not accepted!'
elif self.command_accepted == None:
print 'Error: Command was not received'
'''
def _send_command(self, command, data):
p = Packet(seq=self.txseq, cmd=command, data=data)
msg = self.aes.encrypt([ord(x) for x in p.toMessage()], self.key,
AES.keySize["SIZE_128"])
msg = ''.join([chr(x) for x in msg])
self.logger.debug('Msg to door %s: %s' %
(self.name, list(p.toMessage())))
self.interface.writeMessage(self.address, msg)
'''
class Door:
DOOR_CLOSED = (1<<0)
LOCK_LOCKED = (1<<1)
LOCK_UNLOCKED = (1<<2)
LOCK_LOCKING = (1<<3)
LOCK_UNLOCKING = (1<<4)
HANDLE_PRESSED = (1<<5)
LOCK_PERM_UNLOCKED = (1<<6)
def __init__(self, name, address, txseq, rxseq, key, interface, initial_unlock):
self.name = name
self.address = address
self.txseq = txseq
self.rxseq = rxseq
self.key = [int(x) for x in key.split()]
self.aes = AES()
self.interface = interface
self.open = False
self.closed = False
self.locked = False
self.unlocked = False
self.supply_voltage = 0
self.command_time = 0
self.command_accepted = None
self.command = None
self.periodic = 10
self.relock_time = 0
self.desired_state = Door.LOCK_LOCKED
self.buttons_toggle_state = None
self.logger = logging.getLogger('logger')
self.pressed_buttons = 0
self.initial_unlock = initial_unlock
def unlock(self, relock_timeout=0):
self.desired_state = Door.LOCK_UNLOCKED
self.relock_time = time.time() + relock_timeout
#if timeout:
# self._send_command(command=ord('D'), data='\x02')
#else:
# self._send_command(command=ord('D'), data='\x01')
def lock(self):
self.desired_state = Door.LOCK_LOCKED
self._send_command(command=ord('D'), data='\x00')
def update(self, message):
if len(message) != 16:
self.logger.warning("The received message is not 16 bytes long")
return
message = self.aes.decrypt([ord(x) for x in message], self.key,
AES.keySize["SIZE_128"])
message = ''.join([chr(x) for x in message])
self.logger.debug("Decoded message: %s"%str(list(message)))
p = Packet.fromMessage(message)
if p.cmd==83:
self.supply_voltage = ord(p.data[3])*0.1
'''
pressed_buttons = 0
if self.buttons_toggle_state == None:
self.buttons_toggle_state = ord(p.data[0])
else:
pressed_buttons = self.buttons_toggle_state ^ ord(p.data[0])
self.buttons_toggle_state = ord(p.data[0])
if pressed_buttons:
self.logger.info('Got pressed buttons: %d' % pressed_buttons)
if pressed_buttons & 0x01:
'''
pressed_buttons = ord(p.data[0])
if pressed_buttons & 0x01 and not self.pressed_buttons & 0x01:
self.pressed_buttons |= 0x01
if self.desired_state == Door.LOCK_LOCKED:
self.desired_state = Door.LOCK_UNLOCKED
elif self.desired_state == Door.LOCK_UNLOCKED:
self.desired_state = Door.LOCK_LOCKED
elif not pressed_buttons & 0x01:
self.pressed_buttons &= ~0x01
doorstate = ord(p.data[1])
state = ''
self.closed = doorstate & Door.DOOR_CLOSED \
== Door.DOOR_CLOSED
self.locked = doorstate & Door.LOCK_LOCKED \
== Door.LOCK_LOCKED
self.unlocked = doorstate & Door.LOCK_UNLOCKED \
== Door.LOCK_UNLOCKED
self.locking = doorstate & Door.LOCK_LOCKING \
== Door.LOCK_LOCKING
self.unlocking = doorstate & Door.LOCK_UNLOCKING \
== Door.LOCK_UNLOCKING
self.handle_pressed = doorstate & Door.HANDLE_PRESSED \
== Door.HANDLE_PRESSED
self.perm_unlocked = doorstate & Door.LOCK_PERM_UNLOCKED \
== Door.LOCK_PERM_UNLOCKED
self.logger.info('Door state: %s'%self.get_state())
self.logger.info('Desired door state: %s'%self.get_desired_state())
elif p.cmd==ord('A'):
accepted = ord(p.data[0]) == 1
if not self.command_accepted:
if accepted:
self.logger.info('Command at %d was accepted'%self.command_time)
self.command_accepted = True
else:
self.logger.warning('Command at %d was NOT accepted'% self.command_time)
def get_state(self):
state = ''
if self.closed:
state += ' CLOSED'
if self.locked:
state += ' LOCKED'
if self.unlocked:
state += ' UNLOCKED'
if self.locking:
state += ' LOCKING'
if self.unlocking:
state += ' UNLOCKING'
if self.handle_pressed:
state += ' HANDLE_PRESSED'
if self.perm_unlocked:
state += ' PERM_UNLOCKED'
state = state.strip()
state = state + ' Voltage=%.1f V'%self.supply_voltage
return state
def get_desired_state(self):
state = ''
if self.desired_state & Door.LOCK_LOCKED:
state += ' LOCKED'
if self.desired_state & Door.LOCK_UNLOCKED:
state += ' UNLOCKED'
state = state.strip()
return state
def tick(self):
self.periodic-=1
if self.periodic == 0:
self.periodic = 2
self._send_command(ord('D'), chr(self.desired_state))
if self.relock_time:
if time.time() > self.relock_time:
self.desired_state = Door.LOCK_LOCKED
self.relock_time = 0
'''
if time.time() - self.command_time > 5:
if self.command_accepted == False:
print 'Error: Command at %d was not accepted!'
elif self.command_accepted == None:
print 'Error: Command was not received'
'''
def _send_command(self, command, data):
p = Packet(seq=self.txseq, cmd=command, data=data)
msg = self.aes.encrypt([ord(x) for x in p.toMessage()], self.key,
AES.keySize["SIZE_128"])
msg = ''.join([chr(x) for x in msg])
self.logger.debug('Msg to door %s: %s'%(self.name, list(p.toMessage())))
self.interface.writeMessage(self.address, msg)
'''
expandedkey = bytes.fromhex(''.join(roundkeys))
aes = AES()
if len(sys.argv) > 1:
p = bytes(sys.argv[1], encoding='utf8')[:16]
p = p + b'\00' * (16 - len(p))
else:
p = b"You got broken!!"
try:
p.decode('utf8')
except UnicodeDecodeError:
print('ERROR: Please shorten your string!')
sys.exit()
print("PLAIN: %s" % p.decode('utf8'))
c = bytes(aes.encrypt(p, expandedkey, 32))
print("CLIENT ENC %s => %s" % (p.hex(), c.hex()))
p2 = bytes(aes.decrypt(c, expandedkey, 32))
print("SERVER DEC %s => %s" % (c.hex(), p2.hex()))
p2u = p2.upper()
print("SERVER UP %s => %s" % (p2.hex(), p2u.hex()))
c3 = bytes(aes.encrypt(p2u, expandedkey, 32))
print("SERVER ENC %s => %s" % (p2.hex(), c3.hex()))
p3 = bytes(aes.decrypt(c3, expandedkey, 32))
print("CLIENT DEC %s => %s" % (c3.hex(), p3.hex()))
print("PLAIN: %s" % p3.decode('utf8'))
def get_urls(url):
urls = []
servers = {
1:{'server': 'http://58.254.39.6:80/',
'cmd': '\x36\x00\x00\x00\x09\x00\x00\x00',
'key': '\xB6\xC3\x0A\xEB\x99\xCA\xF8\x49\xA7\x34\xCE\x4B\xFD\x90\x6C\x54'},
2:{'server': 'http://123.129.242.169:80/',
'cmd': '\x36\x00\x00\x00\x55\x00\x00\x00',
'key': '\x18\x3A\x7F\x85\xE4\x21\xC7\x58\x06\x18\x6C\x63\x32\x86\x1E\xCD'},
#3:{'server': 'http://123.129.242.168:80/',
# 'cmd': '\x36\x00\x00\x00\x57\x00\x00\x00',
# 'key': '\x64\x91\x63\x9D\xE8\x09\x87\x4D\xA5\x0A\x12\x02\x3F\x25\x3C\xF0'}
#4:{'server': 'http://123.129.242.168:80/',
# 'cmd':'\x36\x00\x00\x00\xf7\x00\x00\x00',
# 'key':'\x2D\x33\xD2\x89\x46\xC3\xF8\x39\x76\x7B\xC4\x2F\x46\x1C\x45\x4C'}
}
for s in servers.values():
server = s['server']
cmd = s['cmd']
key = s['key']
a = AES(key)
plaintext = ''
plaintext += 'd\x02\x05\x00\x00\x00\xd1\x07\x00'
plaintext += pack('<l',len(url))
plaintext += url
plaintext += '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\n\x00\x00\x00\x00\x10\x00\x00\x0000030D3F968AAYV4\x00\x00\x00\x00j\x01\x00\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x000000\x04\x00\x00\x00'
#alignment
length = len(plaintext)
_,extra = divmod(length,16)
if extra:
plaintext += chr(extra)*(16-extra)
else:
plaintext += chr(16)*16
#printf(plaintext)
#encryption
ciphertext = a.encrypt(plaintext)
#printf(ciphertext)
#add 12 bytes[command+len]
data = ''
data += cmd
data += pack('<l',len(ciphertext))
data += ciphertext
#printf(data)
headers = {
'Accept':'*/*',
'Content-type':'application/octet-stream',
'Connection':'Keep-Alive',
}
opener = urllib2.build_opener()
urllib2.install_opener(opener)
request = urllib2.Request(server,headers = headers,data=data)
try:
conn = urllib2.urlopen(request)
except urllib2.URLError:
continue
result = conn.read()
#decryption;ignore the first 12 bytes.
plaintext = a.decrypt(result[12:])
#printf(plaintext)
urls.extend(parse(plaintext))
return list(set(urls))
class MasterController:
def __init__(self, address, txseq, rxseq, key, interface, command_queue):
self.address = address
self.txseq = txseq
self.rxseq = rxseq
self.key = [int(x) for x in key.split()]
self.aes = AES()
self.interface = interface
self.supply_voltage = 0
self.periodic = 10
self.logger = logging.getLogger('logger')
self.pressed_buttons = 0
self.command_queue = command_queue
self.all_locked = False
def update(self, message):
if len(message) != 16:
self.logger.warning("The received message is not 16 bytes long")
return
message = self.aes.decrypt([ord(x) for x in message], self.key,
AES.keySize["SIZE_128"])
message = ''.join([chr(x) for x in message])
self.logger.debug("Decoded message: %s"%str(list(message)))
p = Packet.fromMessage(message)
if p.cmd==83:
self.supply_voltage = ord(p.data[3])*0.1
pressed_buttons = ord(p.data[0])
self.logger.debug('master: pressed_buttons = %d', pressed_buttons)
if pressed_buttons & 0x01 and not self.pressed_buttons & 0x01:
self.pressed_buttons |= 0x01
self.command_queue.put('lock')
elif not pressed_buttons & 0x01:
self.pressed_buttons &= ~0x01
if pressed_buttons & 0x02 and not self.pressed_buttons & 0x02:
self.pressed_buttons |= 0x02
self.command_queue.put('toggle_announce')
elif not pressed_buttons & 0x02:
self.pressed_buttons &= ~0x02
if pressed_buttons & 0x04 and not self.pressed_buttons & 0x04:
self.pressed_buttons |= 0x04
elif not pressed_buttons & 0x04:
self.pressed_buttons &= ~0x04
self.logger.info('Master state: %s'%self.get_state())
def get_state(self):
state = ''
state = state + ' Voltage=%.1f V'%self.supply_voltage
state = state.strip()
return state
def tick(self):
self.periodic-=1
if self.periodic == 0:
self.periodic = 2
self._send_command(ord('S'), '')
if self.all_locked:
self._send_command(ord('L'), '\x00\x04')
else:
self._send_command(ord('L'), '\x00\x00')
def _send_command(self, command, data):
p = Packet(seq=self.txseq, cmd=command, data=data)
self.logger.debug('Msg to mastercontroller: %s'%list(p.toMessage()))
msg = self.aes.encrypt([ord(x) for x in p.toMessage()], self.key,
AES.keySize["SIZE_128"])
msg = ''.join([chr(x) for x in msg])
self.interface.writeMessage(self.address, msg)
def announce_open(self):
self._send_command(ord('L'), '\x02\x04')
def announce_closed(self):
self._send_command(ord('L'), '\x02\x01')
def set_global_state(self, all_locked):
self.all_locked = all_locked
