def create_esub(text, key, iv=None):
"""Produce a 192bit Encrypted Subject. The first 64 bits are the
Initialization vector used in the Blowfish CFB Mode. The Subject text
is MD5 hashed and then encrypted using an MD5 hash of the Key."""
texthash = md5(text.encode("utf-8")).digest()
keyhash = md5(key.encode("utf-8")).digest()
if iv is None:
iv = generate_iv(8)
crypt1 = Blowfish.new(keyhash,
Blowfish.MODE_OFB, iv).encrypt(texthash)[:8]
crypt2 = Blowfish.new(keyhash,
Blowfish.MODE_OFB, crypt1).encrypt(texthash[8:])
return (iv + crypt1 + crypt2).hex()
def decrypt_file(self,
in_file_name,
out_file_name=None,
chunk_size=1024 * 64):
"""Decrypts the file
Args:
in_file_name (str): File to decrypt
out_file_name (str or None): Name of decrypted file (default is in_file_name without extension,
if in_file_name has no extension, than in_file_name + .decrypted) [optional]
chunk_size (int or None): The number of bytes that will be read at a time (default is 65536) [optional]
"""
if not out_file_name:
out_file_name = os.path.splitext(in_file_name)[0]
if out_file_name == in_file_name:
out_file_name += '.decrypted'
with open(in_file_name, 'rb') as in_file:
with open(out_file_name, 'wb') as out_file:
orig_size = struct.unpack('<Q',
in_file.read(
struct.calcsize('Q')))[0]
while True:
nonce, tag, chunk = [
in_file.read(x) for x in (16, 8, chunk_size)
]
if len(chunk) == 0:
break
cipher = Blowfish.new(key=self.__key,
mode=Blowfish.MODE_EAX,
nonce=nonce)
out_file.write(cipher.decrypt_and_verify(chunk, tag))
out_file.truncate(orig_size)
def encrypt_file(self,
in_file_name,
out_file_name=None,
chunk_size=1024 * 64):
"""Encrypts the file
Args:
in_file_name (str): File to encrypt
out_file_name (str or None): Name of encrypted file (default is in_file_name + .enc) [optional]
chunk_size (int or None): The number of bytes that will be read at a time (default is 65536) [optional]
"""
if not out_file_name:
out_file_name = in_file_name + '.enc'
file_size = os.path.getsize(in_file_name)
with open(in_file_name, 'rb') as in_file:
with open(out_file_name, 'wb') as out_file:
out_file.write(struct.pack('<Q', file_size))
while True:
chunk = in_file.read(chunk_size)
if len(chunk) == 0:
break
elif len(chunk) % 16 != 0:
chunk += b' ' * (16 - len(chunk) % 16)
cipher = Blowfish.new(key=self.__key,
mode=Blowfish.MODE_EAX)
ciphertext, tag = cipher.encrypt_and_digest(chunk)
[
out_file.write(x)
for x in (cipher.nonce, tag, ciphertext)
]
def decrypt(key, ciphertext, iv=None):
"Decrypts data"
if len(ciphertext) % 8 != 0:
raise base.FormatError
cipher = Blowfish.new(key)
cbc = iv
plaintext = ""
for cipherblock in [
ciphertext[i * 8:(i + 1) * 8] for i in range(len(ciphertext) / 8)
]:
plainblock = decrypt_block(cipher, cipherblock)
if cbc != None:
plainblock = "".join([
chr(ord(plainblock[i]) ^ ord(cbc[i]))
for i in range(len(plainblock))
])
cbc = cipherblock
plaintext += plainblock
return plaintext
def runTest(self):
# Encrypt/Decrypt data and test output parameter
cipher = Blowfish.new(b'4'*16, Blowfish.MODE_ECB)
pt = b'5' * 16
ct = cipher.encrypt(pt)
output = bytearray(16)
res = cipher.encrypt(pt, output=output)
self.assertEqual(ct, output)
self.assertEqual(res, None)
res = cipher.decrypt(ct, output=output)
self.assertEqual(pt, output)
self.assertEqual(res, None)
import sys
if sys.version[:3] != '2.6':
output = memoryview(bytearray(16))
cipher.encrypt(pt, output=output)
self.assertEqual(ct, output)
cipher.decrypt(ct, output=output)
self.assertEqual(pt, output)
self.assertRaises(TypeError, cipher.encrypt, pt, output=b'0'*16)
self.assertRaises(TypeError, cipher.decrypt, ct, output=b'0'*16)
shorter_output = bytearray(7)
self.assertRaises(ValueError, cipher.encrypt, pt, output=shorter_output)
self.assertRaises(ValueError, cipher.decrypt, ct, output=shorter_output)
def encrypt(key, plaintext, iv=None):
"Encrypts data"
if len(plaintext) % 8 != 0:
raise base.FormatError
cipher = Blowfish.new(key)
cbc = iv
ciphertext = ""
for plainblock in [
plaintext[i * 8:(i + 1) * 8] for i in range(len(plaintext) / 8)
]:
if cbc != None:
plainblock = "".join([
chr(ord(plainblock[i]) ^ ord(cbc[i]))
for i in range(len(plainblock))
])
cipherblock = encrypt_block(cipher, plainblock)
ciphertext += cipherblock
if cbc != None:
cbc = cipherblock
return ciphertext
def runTest(self):
# Encrypt/Decrypt data and test output parameter
cipher = Blowfish.new(b'4'*16, Blowfish.MODE_ECB)
pt = b'5' * 16
ct = cipher.encrypt(pt)
output = bytearray(16)
res = cipher.encrypt(pt, output=output)
self.assertEqual(ct, output)
self.assertEqual(res, None)
res = cipher.decrypt(ct, output=output)
self.assertEqual(pt, output)
self.assertEqual(res, None)
import sys
if sys.version[:3] != '2.6':
output = memoryview(bytearray(16))
cipher.encrypt(pt, output=output)
self.assertEqual(ct, output)
cipher.decrypt(ct, output=output)
self.assertEqual(pt, output)
self.assertRaises(TypeError, cipher.encrypt, pt, output=b'0'*16)
self.assertRaises(TypeError, cipher.decrypt, ct, output=b'0'*16)
shorter_output = bytearray(7)
self.assertRaises(ValueError, cipher.encrypt, pt, output=shorter_output)
self.assertRaises(ValueError, cipher.decrypt, ct, output=shorter_output)
def shared_key_decrypt(ciphertext, key):
alg = key['alg']
mode = key['mode']
k = key['key']
decrypt_kwargs = {'mode': BLOCK_MODES[alg][mode]}
preamble_length = BLOCK_SIZES[alg]
if mode in IV_MODES:
#print("SYM_DECRYPT: Generating an IV", flush = True)
decrypt_kwargs['iv'] = ciphertext[0:BLOCK_SIZES[alg]]
elif mode == 'ctr':
#print('SYM_DECRYPT: Generating a Counter', flush = True)
preamble_length = preamble_length // 2
n = ciphertext[0:(BLOCK_SIZES[alg] // 2)]
decrypt_kwargs['nonce'] = n
if alg == 'aes':
#print('SYM_DECRYPT: USING AES')
decrypter = AES.new(k, **decrypt_kwargs)
elif alg == 'des3':
#print('SYM_DECRYPT: USING DES3')
decrypter = DES3.new(k, **decrypt_kwargs)
elif alg == 'blowfish':
#print('SYM_DECRYPT: USING Blowfish')
decrypter = Blowfish.new(k, **decrypt_kwargs)
serial_pt = decrypter.decrypt(ciphertext[preamble_length:])
if mode in PAD_MODES:
serial_pt = unpad(serial_pt, BLOCK_SIZES[alg])
if serial_pt[0]:
return pickle.loads(serial_pt[1:])
else:
return serial_pt[1:]
return pt
def decrypt(ciphertext, password, magic=None):
"Decrypts a data stream"
# decrypt data
if len(ciphertext) % 8 != 0:
raise base.FormatError
key = SHA.new(password.encode()).digest() # nosec
cipher = Blowfish.new(key, Blowfish.MODE_CBC, IV) # nosec
plaintext = cipher.decrypt(ciphertext)
# check magic string
if magic != None:
if plaintext[:len(magic)] != magic:
raise base.PasswordError
else:
plaintext = plaintext[len(magic):]
# remove padding
padchar = plaintext[-1]
npadchar = padchar
if (npadchar > 0):
if plaintext[-npadchar:] != bytes([padchar] * npadchar):
raise base.FormatError
plaintext = plaintext[:-npadchar]
return plaintext
def encrypt(key, plaintext, iv=None):
"Encrypts data"
if len(plaintext) % 8 != 0:
raise base.FormatError
cipher = Blowfish.new(key, Blowfish.MODE_ECB) # nosec
cbc = iv
ciphertext = b""
for plainblock in [
plaintext[i * 8:(i + 1) * 8] for i in range(len(plaintext) // 8)
]:
if cbc != None:
plainblock = bytes(
[plainblock[i] ^ cbc[i] for i in range(len(plainblock))])
cipherblock = encrypt_block(cipher, plainblock)
ciphertext += cipherblock
if cbc != None:
cbc = cipherblock
return ciphertext
def decrypt(self, ciphertext):
"""Decrypts the encrypted text
Args:
ciphertext (str): Encrypted text to decrypt
Returns:
str: Decrypted text
"""
with open(self.__private_key_loc, 'rb') as private_key_file:
private_key = RSA.import_key(
private_key_file.read(),
passphrase=self.__private_key_passphrase)
cipher_rsa = PKCS1_OAEP.new(private_key)
ciphertext = base64.b64decode(ciphertext)
session_key = cipher_rsa.decrypt(
ciphertext[:private_key.size_in_bytes()])
nonce = ciphertext[private_key.size_in_bytes(
):private_key.size_in_bytes() + 16]
tag = ciphertext[private_key.size_in_bytes() +
16:private_key.size_in_bytes() + 24]
ciphertext = ciphertext[private_key.size_in_bytes() + 24:]
cipher_blowfish = Blowfish.new(key=session_key,
mode=Blowfish.MODE_EAX,
nonce=nonce)
plaintext = cipher_blowfish.decrypt_and_verify(ciphertext, tag)
return _unpad(plaintext).decode()
def _cypherer(seed):
if isinstance(seed, str):
seed = seed.encode('utf-8')
try:
return _CYPHERERS[seed]
except KeyError:
_CYPHERERS[seed] = Blowfish.new(seed, Blowfish.MODE_ECB)
return _CYPHERERS[seed]
def run_Blowfish():
key = Random.get_random_bytes(16)
nonce = Random.get_random_bytes(16)
print("=================")
print("Encrypting with Blowfish")
print("Key: ", to_hex(key))
print("Nonce: ", to_hex(nonce))
cipher = Blowfish.new(key, Blowfish.MODE_EAX, nonce)
ciphertext = cipher.encrypt(data)
#print("Cleartext: ", to_hex(data))
#print("Ciphertext: ", to_hex(ciphertext))
file_out = open("blowfish.bin", "wb")
[file_out.write(x) for x in (cipher.nonce, ciphertext)]
file_out.close()
file_in = open("blowfish.bin", "rb")
decrypt_nonce, decrypt_ciphertext = [file_in.read(x) for x in (16, -1)]
file_in.close()
print("=================")
print("Decrypting with Blowfish")
print("Key: ", to_hex(key))
print("Nonce: ", to_hex(decrypt_nonce))
#print("Ciphertext: ", to_hex(decrypt_ciphertext))
decipher = Blowfish.new(key, Blowfish.MODE_EAX, decrypt_nonce)
cleartext = decipher.decrypt(decrypt_ciphertext)
#print("Cleartext: ", to_hex(cleartext))
print("=================")
if cleartext == data:
print("Decryption successful\n")
else:
print("Decryption failed\n")
return
def encrypt(self, plaintext):
"""Encrypts the plaintext
Args:
plaintext (str): Plaintext to encrypt
Returns:
str: Encrypted text
"""
plaintext = _pad(plaintext.encode(), AES.block_size)
cipher = Blowfish.new(key=self.__key, mode=Blowfish.MODE_EAX)
ciphertext, tag = cipher.encrypt_and_digest(plaintext)
return base64.b64encode(cipher.nonce + tag + ciphertext).decode()
def decrypt(self, key: bytes, data: bytes) -> bytes:
"""
Decrypts buffer using Blowfish algorithm in ECB mode.
:param key: Cryptographic key (4 to 56 bytes)
:type key: bytes
:param data: Buffer to be decrypted
:type data: bytes
:return: Decrypted data
:rtype: bytes
"""
cipher = BlowfishCipher.new(key, BlowfishCipher.MODE_ECB)
return cipher.decrypt(data)
def export_data(self, entrystore, password):
"Exports data from an entrystore"
# set up encryption engine
salt = "".join( [ random.choice(string.ascii_lowercase) for i in range(8) ] )
password = MD5.new(salt + password).digest()
cipher = Blowfish.new(password)
# generate data
xml = "<?xml version=\"1.0\" ?>\n"
xml += "<FPM full_version=\"00.58.00\" min_version=\"00.58.00\" display_version=\"00.58.00\">\n"
xml += " <KeyInfo salt=\"%s\" vstring=\"%s\" />\n" % ( salt, self.__encrypt(cipher, "FIGARO") )
xml += " <LauncherList></LauncherList>\n"
xml += " <PasswordList>\n"
iter = entrystore.iter_children(None)
while iter is not None:
e = entrystore.get_entry(iter)
if type(e) != entry.FolderEntry:
e = e.convert_generic()
xml += " <PasswordItem>\n"
xml += " <title>%s</title>\n" % e.name
xml += " <url>%s</url>\n" % e.get_field(entry.HostnameField).value
xml += " <user>%s</user>\n" % e.get_field(entry.UsernameField).value
xml += " <password>%s</password>\n" % e.get_field(entry.PasswordField).value
xml += " <notes>%s</notes>\n" % e.description
path = entrystore.get_path(iter)
if len(path) > 1:
xml += " <category>%s</category>\n" % entrystore.get_entry(entrystore.get_iter(path[0])).name
else:
xml += " <category></category>\n"
xml += " <launcher></launcher>\n"
xml += " </PasswordItem>\n"
iter = entrystore.iter_traverse_next(iter)
xml += " </PasswordList>\n"
xml += "</FPM>\n"
return xml
def decrypt_pass(cls):
if cls.key_pass:
try:
cipher = Blowfish.new(cls.key_pass.encode(), Blowfish.MODE_CBC, settings.iv)
cls.p_un_sup = cipher.decrypt(settings.p_un_sup).decode().split('1111')[0]
cipher = Blowfish.new(cls.key_pass.encode(), Blowfish.MODE_CBC, settings.iv)
cls.p_sw = cipher.decrypt(settings.p_sw).decode().split('1111')[0]
cipher = Blowfish.new(cls.key_pass.encode(), Blowfish.MODE_CBC, settings.iv)
cls.my_key = cipher.decrypt(settings.my_key).decode().split('1111')[0]
cipher = Blowfish.new(cls.key_pass.encode(), Blowfish.MODE_CBC, settings.iv)
cls.my_key_e = cipher.decrypt(settings.my_key_e).decode().split('1111')[0]
cipher = Blowfish.new(cls.key_pass.encode(), Blowfish.MODE_CBC, settings.iv)
cls.p_mb_sec = cipher.decrypt(settings.p_mb_sec).decode().split('1111')[0]
except Exception as e:
print(f"Error while encoded passwords. {e}")
cls.key_pass = None
finally:
return True
def decrypt_track(self, track_id, input, output):
response = open(input, 'rb')
outfile = open(output, 'wb')
blowfish_key = str.encode(self._get_blowfish_key(str(track_id)))
i = 0
while True:
chunk = response.read(2048)
if not chunk:
break
if (i % 3) == 0 and len(chunk) == 2048:
chunk = Blowfish.new(
blowfish_key, Blowfish.MODE_CBC,
b"\x00\x01\x02\x03\x04\x05\x06\x07").decrypt(chunk)
outfile.write(chunk)
i += 1
def login(senha1):
from Cryptodome.Cipher import Blowfish
from Cryptodome import Random
from struct import pack
BF = Blowfish.block_size
Chave = b'Alohomora'
CDS = Random.new().read(BF)
cipher = Blowfish.new(Chave, Blowfish.MODE_CBC, CDS)
plaintext = senha1
plen = BF - divmod(len(plaintext), BF)[1]
padding = [plen] * plen
padding = pack('b' * plen, *padding)
msg = CDS + cipher.encrypt(plaintext + padding)
print(repr(msg))
def senha(senha2):
from Cryptodome.Cipher import Blowfish
from struct import pack
BF = Blowfish.block_size
Chave = b'Alohomora'
texto_encriptado = senha2
CDS = texto_encriptado[:BF]
texto_encriptado = texto_encriptado[BF:]
cipher = Blowfish.new(Chave, Blowfish.MODE_CBC, CDS)
msg = cipher.decrypt(texto_encriptado)
last_byte = msg[-1]
msg = msg[:-(last_byte if type(last_byte) is int else ord(last_byte))]
print(repr(msg))
def encrypt(plaintext, password):
"Encrypts a data stream"
# right-pad data
padlen = 8 - len(plaintext) % 8
if padlen == 0:
padlen = 8
plaintext += chr(padlen) * padlen
# encrypt data
key = SHA.new(password).digest()
cipher = Blowfish.new(key, Blowfish.MODE_CBC, IV)
return cipher.encrypt(plaintext)
def generate_testhash(password, random):
"Generates a testhash based on a password and a random string"
key = SHA(random + b"\x00\x00" + password.encode()).digest()
cipher = Blowfish.new(key, Blowfish.MODE_ECB) # nosec
for i in range(1000):
random = encrypt_block(cipher, random)
h = SHA()
h.init(0, 0, 0, 0, 0)
h.update(random)
h.update(b"\x00\x00")
testhash = h.digest()
return testhash
def encrypt(plaintext, password):
"Encrypts a data stream"
# right-pad data
padlen = 8 - len(plaintext) % 8
if padlen == 0:
padlen = 8
plaintext += bytes([padlen] * padlen)
# encrypt data
key = SHA.new(password.encode()).digest() # nosec
cipher = Blowfish.new(key, Blowfish.MODE_CBC, IV) # nosec
return cipher.encrypt(plaintext)
def decrypt(self, ciphertext):
"""Decrypts the encrypted text
Args:
ciphertext (str): Encrypted text to decrypt
Returns:
str: Decrypted text
"""
ciphertext = base64.b64decode(ciphertext)
nonce = ciphertext[:16]
tag = ciphertext[16:24]
ciphertext = ciphertext[24:]
cipher = Blowfish.new(key=self.__key,
mode=Blowfish.MODE_EAX,
nonce=nonce)
plaintext = cipher.decrypt_and_verify(ciphertext, tag)
return _unpad(plaintext).decode()
def stream_track(self, track_id, url, stream):
try:
request = requests.get(url,
headers=self.http_headers,
stream=True,
timeout=30,
verify=False)
except:
time.sleep(2)
return self.stream_track(track_id, url, stream)
request.raise_for_status()
blowfish_key = str.encode(self._get_blowfish_key(str(track_id)))
i = 0
for chunk in request.iter_content(2048):
if (i % 3) == 0 and len(chunk) == 2048:
chunk = Blowfish.new(
blowfish_key, Blowfish.MODE_CBC,
b"\x00\x01\x02\x03\x04\x05\x06\x07").decrypt(chunk)
stream.write(chunk)
i += 1
def __decrypt_data(self, dirty_data):
previous_block = None # type: str
blowfish = Blowfish.new(TYPE_TO_KEY[self._type], Blowfish.MODE_ECB)
decrypted_data = BytesIO()
for index, chunk in self.__chunkify_string(dirty_data):
# FIXME: what this chunk is used for??
if index == 0:
continue
decrypted_block, = struct.unpack('q', blowfish.decrypt(chunk))
if previous_block:
# get two blocks, each 8 bytes long and xor them
# then pack them back to bytes
decrypted_block ^= previous_block
previous_block = decrypted_block
decrypted_data.write(struct.pack('q', decrypted_block))
return decrypted_data.getvalue()
def encrypt_file(self,
in_file_name,
out_file_name=None,
chunk_size=1024 * 64):
"""Encrypts the file
Args:
in_file_name (str): File to encrypt
out_file_name (str or None): Name of encrypted file (default is in_file_name + .enc) [optional]
chunk_size (int or None): The number of bytes that will be read at a time (default is 65536) [optional]
"""
if not out_file_name:
out_file_name = in_file_name + '.enc'
file_size = os.path.getsize(in_file_name)
session_key = Random.get_random_bytes(32)
with open(self.__public_key_loc, 'rb') as public_key_file:
cipher_rsa = PKCS1_OAEP.new(
RSA.import_key(public_key_file.read(),
passphrase=self.__public_key_passphrase))
with open(in_file_name, 'rb') as in_file:
with open(out_file_name, 'wb') as out_file:
out_file.write(struct.pack('<Q', file_size))
out_file.write(cipher_rsa.encrypt(session_key))
while True:
chunk = in_file.read(chunk_size)
if len(chunk) == 0:
break
elif len(chunk) % 16 != 0:
chunk += b' ' * (16 - len(chunk) % 16)
cipher_blowfish = Blowfish.new(key=session_key,
mode=Blowfish.MODE_EAX)
ciphertext, tag = cipher_blowfish.encrypt_and_digest(chunk)
[
out_file.write(x)
for x in (cipher_blowfish.nonce, tag, ciphertext)
]
def pycryptodomexExamples():
from Cryptodome.Cipher import DES, DES3, ARC2, ARC4, Blowfish, AES
from Cryptodome.Random import get_random_bytes
key = b'-8B key-'
DES.new(key,
DES.MODE_OFB) # Noncompliant {{Use a strong cipher algorithm.}}
# ^^^^^^^
key = DES3.adjust_key_parity(get_random_bytes(24))
cipher = DES3.new(
key, DES3.MODE_CFB) # Noncompliant {{Use a strong cipher algorithm.}}
# ^^^^^^^^
key = b'Sixteen byte key'
cipher = ARC2.new(
key, ARC2.MODE_CFB) # Noncompliant {{Use a strong cipher algorithm.}}
# ^^^^^^^^
key = b'Very long and confidential key'
cipher = ARC4.new(key) # Noncompliant {{Use a strong cipher algorithm.}}
# ^^^^^^^^
key = b'An arbitrarily long key'
cipher = Blowfish.new(
key,
Blowfish.MODE_CBC) # Noncompliant {{Use a strong cipher algorithm.}}
# ^^^^^^^^^^^^
key = b'Sixteen byte key'
cipher = AES.new(key, AES.MODE_CCM) # Compliant
cipher = UnknownFlyingValue.new(
key, UnknownMode.CBC) # Compliant, doesn't matter
# Force the engine to generate an ambiguous symbol, for code coverage only.
ambiguous = "" if 42 * 42 < 1700 else (lambda x: x * x)
cipher = ambiguous.new(key, Unknown.Mode)
def encrypt(self, plaintext):
"""Encrypts the plaintext
Args:
plaintext (str): Plaintext to encrypt
Returns:
str: Encrypted text
"""
plaintext = _pad(plaintext.encode(), AES.block_size)
session_key = Random.get_random_bytes(32)
with open(self.__public_key_loc, 'rb') as public_key_file:
cipher_rsa = PKCS1_OAEP.new(
RSA.import_key(public_key_file.read(),
passphrase=self.__public_key_passphrase))
cipher_blowfish = Blowfish.new(key=session_key, mode=Blowfish.MODE_EAX)
ciphertext, tag = cipher_blowfish.encrypt_and_digest(plaintext)
return base64.b64encode(
cipher_rsa.encrypt(session_key) + cipher_blowfish.nonce + tag +
ciphertext).decode()
def decrypt(key, ciphertext, iv=None):
"Decrypts data"
if len(ciphertext) % 8 != 0:
raise base.FormatError
cipher = Blowfish.new(key, Blowfish.MODE_ECB) # nosec
cbc = iv
plaintext = b""
for cipherblock in [
ciphertext[i * 8:(i + 1) * 8] for i in range(len(ciphertext) // 8)
]:
plainblock = decrypt_block(cipher, cipherblock)
if cbc != None:
plainblock = bytes(
[plainblock[i] ^ cbc[i] for i in range(len(plainblock))])
cbc = cipherblock
plaintext += plainblock
return plaintext
def shared_key_encrypt(plaintext, key, iv):
status = 0
if not isinstance(plaintext, bytes):
serial_pt = b'\1' + pickle.dumps(plaintext)
else:
serial_pt = b'\0' + plaintext
alg = key['alg']
mode = key['mode']
k = key['key']
encrypt_kwargs = {'mode': BLOCK_MODES[alg][mode]}
if mode in PAD_MODES:
#print('SYM_ENCRYPT: Padding Plaintext', flush = True)
serial_pt = pad(serial_pt, BLOCK_SIZES[alg])
if mode in IV_MODES and iv != None:
encrypt_kwargs['iv'] = iv
if alg == 'aes':
#print('SYM_ENCRYPT: USING AES')
encrypter = AES.new(k, **encrypt_kwargs)
elif alg == 'des3':
#print('SYM_ENCRYPT: USING DES3')
encrypter = DES3.new(k, **encrypt_kwargs)
elif alg == 'blowfish':
#print('SYM_ENCRYPT: USING Blowfish')
encrypter = Blowfish.new(k, **encrypt_kwargs)
else:
status = NO_ALG
if mode in IV_MODES:
preamble = encrypter.iv
elif mode == 'ctr':
preamble = encrypter.nonce
else:
status = NO_MODE
if status in ErrorCodes:
print('SA ERROR: Encryption failed!')
else:
return preamble + encrypter.encrypt(serial_pt)
cipher = pycrypto_arc4.new(tempkey)
msg = nonce + cipher.encrypt(b'Open the pod bay doors, HAL')
cipher = pycryptodomex_arc4.new(tempkey)
msg = nonce + cipher.encrypt(b'Open the pod bay doors, HAL')
iv = Random.new().read(bs)
key = b'An arbitrarily long key'
plaintext = b'docendo discimus '
plen = bs - divmod(len(plaintext),bs)[1]
padding = [plen]*plen
padding = pack('b'*plen, *padding)
bs = pycrypto_blowfish.block_size
cipher = pycrypto_blowfish.new(key, pycrypto_blowfish.MODE_CBC, iv)
msg = iv + cipher.encrypt(plaintext + padding)
bs = pycryptodomex_blowfish.block_size
cipher = pycryptodomex_blowfish.new(key, pycryptodomex_blowfish.MODE_CBC, iv)
msg = iv + cipher.encrypt(plaintext + padding)
key = b'-8B key-'
plaintext = b'We are no longer the knights who say ni!'
nonce = Random.new().read(pycrypto_des.block_size/2)
ctr = Counter.new(pycrypto_des.block_size*8/2, prefix=nonce)
cipher = pycrypto_des.new(key, pycrypto_des.MODE_CTR, counter=ctr)
msg = nonce + cipher.encrypt(plaintext)
nonce = Random.new().read(pycryptodomex_des.block_size/2)
ctr = Counter.new(pycryptodomex_des.block_size*8/2, prefix=nonce)
cipher = pycryptodomex_des.new(key, pycryptodomex_des.MODE_CTR, counter=ctr)
msg = nonce + cipher.encrypt(plaintext)
key = b'Super secret key'
plaintext = b'Encrypt me'