def encrypt(self, plaintext):
AES.encrypt(self, plaintext)
plaintextBytes = stringToBytes(plaintext)
chainBytes = stringToBytes(self.IV)
#CBC Mode: For each block...
for x in range(len(plaintextBytes)/16):
#XOR with the chaining block
blockBytes = plaintextBytes[x*16 : (x*16)+16]
for y in range(16):
blockBytes[y] ^= chainBytes[y]
blockString = bytesToString(blockBytes)
#Encrypt it
encryptedBytes = stringToBytes(self.rijndael.encrypt(blockString))
#Overwrite the input with the output
for y in range(16):
plaintextBytes[(x*16)+y] = encryptedBytes[y]
#Set the next chaining block
chainBytes = encryptedBytes
self.IV = bytesToString(chainBytes)
return bytesToString(plaintextBytes)
def encrypt(self, plaintext):
AES.encrypt(self, plaintext)
plaintextBytes = stringToBytes(plaintext)
chainBytes = stringToBytes(self.IV)
#CBC Mode: For each block...
for x in range(len(plaintextBytes) / 16):
#XOR with the chaining block
blockBytes = plaintextBytes[x * 16:(x * 16) + 16]
for y in range(16):
blockBytes[y] ^= chainBytes[y]
blockString = bytesToString(blockBytes)
#Encrypt it
encryptedBytes = stringToBytes(self.rijndael.encrypt(blockString))
#Overwrite the input with the output
for y in range(16):
plaintextBytes[(x * 16) + y] = encryptedBytes[y]
#Set the next chaining block
chainBytes = encryptedBytes
self.IV = bytesToString(chainBytes)
return bytesToString(plaintextBytes)
def encrypt(input_message, user_id):
master_key = long(user_id)
print master_key
a = AES(master_key)
print a.encrypt(int(input_message.encode("hex")))
aes_key_cipher = rsa_encrypt(user_id, n, e, 15)
print aes_key_cipher
def encrypt_message(self, message):
"""
Encrypt a block of text.
Currently testing with AES
"""
cipher_text = AES.encrypt(self._pad_message(message))
image = self._generate_image(cipher_text)
return image
def encrypt_message(self, message, image_path, filename, sender_token):
"""Encrypt a block of text.
Currently testing with AES and truncating to 250 characters.
"""
sender_token = self.db.users.find_one({'token':sender_token})
if sender_token:
cipher_text = AES.encrypt(self._pad_message(
unicode(message[:250]).encode('utf-8')))
image = self._generate_image(cipher_text, image_path,
filename, sender_token['token'])
return image
else:
return False
def encrypt_msg(target):
'''
Input: Clients message, in this case the tuple obtained from select_page
Output: Encrypted message that is sent to the first node
Uses each key ones to encrypt the message
Adds ### betweem the tuples object, plaint text messages split from those
'''
msg = target[0] + "###" + target[1]
for key in KEYS:
#print(msg)
msg = AES.encrypt(msg, key)
print(msg)
return msg
def encrypt_message(self, message, image_path, filename, sender_token):
"""Encrypt a block of text.
Currently testing with AES and truncating to 250 characters.
"""
sender_token = self.db.users.find_one({'token': sender_token})
if sender_token:
cipher_text = AES.encrypt(
self._pad_message(unicode(message[:250]).encode('utf-8')))
image = self._generate_image(cipher_text, image_path, filename,
sender_token['token'])
return image
else:
return False
def aes_cbc_encrypt(ptext, key, iv=b"\x00" * 16):
if HAVE_CRYPTO:
# `AES.MODE_ECB` isn't a typo; we're implementing CBC by hand.
cipher = AES.new(key, AES.MODE_ECB)
ptext, ctext, ct_block = pad_pkcs7(ptext), bytearray(), iv
for i in range(0, len(ptext), 16):
pt_block = repeating_key_xor(ptext[i:i + 16], ct_block)
ct_block = cipher.encrypt(pt_block)
ctext.extend(ct_block)
return bytes(ctext)
else:
cipher = AES(key, mode="CBC", iv=iv)
return cipher.encrypt(pad_pkcs7(ptext))
def aes_ctr(bstream, key, nonce=0):
nonce = aes_ctr_pack(nonce)
if HAVE_CRYPTO:
# `AES.MODE_ECB` isn't a typo; we're implementing CTR by hand.
cipher = AES.new(key, mode=AES.MODE_ECB)
else:
cipher = AES(key, mode="ECB")
result = bytearray()
for count, i in enumerate(range(0, len(bstream), 16)):
key_block = cipher.encrypt(nonce + aes_ctr_pack(count))
result.extend(kb ^ sb for kb, sb in zip(key_block, bstream[i:i + 16]))
return bytes(result)
def performanceEncrypt(name: str, payload: bytearray, cipher: AES, run: int):
# out = "Encrypt ... "
# p.start()
start = time.time()
for i in range(0, 5000):
encrypted = cipher.encrypt(payload)
elapsed = time.time() - start
# p.stop()
# p.save('profile_encrypt_' + name)
data["Crypt"].append("{:.10f}".format(elapsed / 5000.0))
# out += "{:.10f}".format(elapsed / (5000.0 * 16.0))
# out += "us per byte, "
# out += "{:.10f}".format((16.0 * 5000.0 * 1000000.0) / elapsed)
# out += " bytes per second"
# print(out)
return encrypted
def aes_encipher_block(self, key, block):
#print('KEY',key)
key=key[0].to_bytes(4,'big')+ \
key[1].to_bytes(4,'big')+ \
key[2].to_bytes(4,'big')+ \
key[3].to_bytes(4,'big')
#print('key',binascii.hexlify(key))
if os.__name__ == 'os':
my_aes = AES.new(key, AES.MODE_ECB)
else:
my_aes = AES(key, AES.MODE_ECB)
result = my_aes.encrypt(block[0].to_bytes(4, 'big') +
block[1].to_bytes(4, 'big') +
block[2].to_bytes(4, 'big') +
block[3].to_bytes(4, 'big'))
result = (int.from_bytes(result[0:4],
'big'), int.from_bytes(result[4:8], 'big'),
int.from_bytes(result[8:12],
'big'), int.from_bytes(result[12:16], 'big'))
#print('result type',type(result))
return result
def __encode(aes: AES, clear_text: bytes) -> bytes:
return aes.encrypt(__pad(clear_text))
block = xor(block, self.get_round_key(0))
return block
def aes128_reverse_keyschedule(key, round):
for i in range(round, 0, -1):
for j in range(15, 3, -1):
key[j] ^= key[j - 4]
for j in range(3, -1, -1):
key[j] ^= aes_sbox[key[12 +
(j + 1) % 4]] ^ (0 if j else aes_Rcon[i])
return key
if __name__ == '__main__':
print 'Running test...'
import Crypto.Cipher.AES
key = ''.join(map(chr, range(16)))
plain = ''.join(map(chr, range(16, 32)))
assert len(key) == len(plain) == 16
cipher = AES(key)
cipher2 = Crypto.Cipher.AES.new(key)
assert (list(cipher.encrypt(plain)) == map(ord, cipher2.encrypt(plain)))
assert (list(cipher.decrypt(plain)) == map(ord, cipher2.decrypt(plain)))
for round in range(11):
assert aes128_reverse_keyschedule(cipher.get_round_key(round),
round) == ary(key)
def encrypt(self, plaintext):
AES.encrypt(self, plaintext)
plaintext = bytes(plaintext)
return bytearray(self.context.encrypt(plaintext))
def encrypt( self, raw ):
raw = pad(raw)
iv = Random.new().read( AES.block_size )
cipher = AES.new( self.key, AES.MODE_CBC, iv )
return base64.b64encode( iv + cipher.encrypt( raw ) )
def decrypt( self, enc ):
enc = base64.b64decode(enc)
iv = enc[:16]
cipher = AES.new(self.key, AES.MODE_CBC, iv )
return unpad(cipher.decrypt( enc[16:] ))
# Making a zip file of the `OpenSource` folder
shutil.make_archive('SourceCode.zip', 'zip', 'OpenSource')
# Reading the zip file
with open('SourceCode.zip', 'rb') as f:
RawContent = f.read()
# Deleting the zip file
os.remove('SourceCode.zip')
# Encrypting the zip file
AES = AESCipher('MinecraftServerForeverAtFluxGamming-')
EncryptedRaw = AES.encrypt(RawContent)
# Saving the encrypted file
with open('SourceCode.zip.aes256', 'wb+') as f:
f.write(EncryptedRaw)
def aes_ecb_encrypt(ptext, key):
if HAVE_CRYPTO:
cipher = AES.new(key, mode=AES.MODE_ECB)
else:
cipher = AES(key, mode="ECB")
return cipher.encrypt(pad_pkcs7(ptext))
from Crypto.Cipher import AES
AES = AES.new('AngeCryptionKey!', AES.MODE_CBC,
'x\xd0\x02\x81k\xa7\xc3\xde\x88\xdeV\x8fjY\x1d\x06')
with open('angecrypted.png', "rb") as f:
d = f.read()
d = AES.encrypt(d)
with open("encrypted.png", "wb") as f:
f.write(d)
from Crypto.Cipher import AES
AES = AES.new('AngeCryptionKey!', AES.MODE_CBC, 'x\xd0\x02\x81k\xa7\xc3\xde\x88\xdeV\x8fjY\x1d\x06')
with open('angecrypted.png', "rb") as f:
d = f.read()
d = AES.encrypt(d)
with open("encrypted.png", "wb") as f:
f.write(d)
