def encrypt_oracle(data):
    """
    随机选择 CBC 模式或者 ECB 模式进行加密, 返回加密所使用的模式以及加密后的结果
    :param data: 待加密明文, "plaintext"
    :return: 模式以及加密结果, ("CBC", b"cipher_text")
    """
    size = 16
    key = generate_random_bytes(size)
    encrypt_mode = random.choice([AES.MODE_CBC, AES.MODE_ECB])  # 随机选择一种加密模式
    mode_dict = {AES.MODE_CBC: "CBC", AES.MODE_ECB: "ECB"}

    data = codecs.encode(data, "ascii")  # 将 str 转成 bytes
    # 对数据进行随机化处理
    data = generate_random_bytes(random.randint(5, 10)) + data + generate_random_bytes(random.randint(5, 10))
    data = pad(data, size)  # 填充操作

    if encrypt_mode == AES.MODE_CBC:
        iv = generate_random_bytes(size)
        encrypt_tool = AES.new(key, AES.MODE_CBC, IV=iv)
    elif encrypt_mode == AES.MODE_ECB:
        encrypt_tool = AES.new(key, AES.MODE_ECB)
    else:
        raise RuntimeError("Encrypt_mode is wrong!")

    after_encrypt_data = encrypt_tool.encrypt(data)

    return mode_dict[encrypt_mode], after_encrypt_data
Пример #2
0
    def test3(self):

        for keylen, taglen, result in self.tv3:

            key = bchr(0) * (keylen // 8 - 1) + bchr(taglen)
            C = b("")

            for i in range(128):
                S = bchr(0) * i

                N = long_to_bytes(3 * i + 1, 12)
                cipher = AES.new(key, AES.MODE_OCB, nonce=N, mac_len=taglen // 8)
                cipher.update(S)
                C += cipher.encrypt(S) + cipher.encrypt() + cipher.digest()

                N = long_to_bytes(3 * i + 2, 12)
                cipher = AES.new(key, AES.MODE_OCB, nonce=N, mac_len=taglen // 8)
                C += cipher.encrypt(S) + cipher.encrypt() + cipher.digest()

                N = long_to_bytes(3 * i + 3, 12)
                cipher = AES.new(key, AES.MODE_OCB, nonce=N, mac_len=taglen // 8)
                cipher.update(S)
                C += cipher.encrypt() + cipher.digest()

            N = long_to_bytes(385, 12)
            cipher = AES.new(key, AES.MODE_OCB, nonce=N, mac_len=taglen // 8)
            cipher.update(C)
            result2 = cipher.encrypt() + cipher.digest()
            self.assertEqual(unhexlify(b(result)), result2)
Пример #3
0
def WriteZipFile(filename):
    """
    保存所有kvdb数据,压缩成zip然后aes cbc加密
    """
    FileBuffer = io.BytesIO()
    datalist = FindKVDBKeys()
    if datalist:
        zfile = zipfile.ZipFile(FileBuffer,mode='w')
        for data in datalist:
            # bytedata = (data + "tttttttt").encode(encoding="utf-8")
            bytedata = kv.get(str(data))
            if bytedata:
                # print(bytedata)
                zfile.writestr(str(data),bytedata)
        zfile.close() 
        key = config.keyDataBackUp
        iv = Random.new().read(AES.block_size)
        cipher = AES.new(key, AES.MODE_ECB)
        CryptIV = cipher.encrypt(iv)
        cipher = AES.new(key, AES.MODE_CBC, iv)
        bytebuffer = FileBuffer.getvalue()
        lendata = 16 - len(bytebuffer)%16
        bytebuffer = bytebuffer + chr(lendata)*lendata
        #print(bytebuffer)
        CryptData = CryptIV + cipher.encrypt(bytebuffer)
        bucket = Bucket('backup')
        # print(FileBuffer.getvalue())
        bucket.put_object(filename,CryptData)
        FileBuffer.close()
Пример #4
0
def ReadZipFile(filename):

    """
    从storage中读取数据,还原到kvdb中
    参数 filename 要还原数据的文件名
    """
    bucket = Bucket('backup')
    # print(filename)
    CryptData = bucket.get_object_contents(filename)
    # print(CryptData)
    # -FileBuffer.close()
    key = config.keyDataBackUp
    cipher = AES.new(key, AES.MODE_ECB)
    iv = cipher.decrypt(CryptData[:16])
    # print(str(iv))
    cipher = AES.new(key, AES.MODE_CBC, iv)
    bytebuffer = cipher.decrypt(CryptData[16:])
    lendata = ord(bytebuffer[-1])
    FileBuffer = io.BytesIO(bytebuffer[:-lendata])
    zfile = zipfile.ZipFile(FileBuffer,mode='r')
    namelist = zfile.namelist()
    for name in namelist:
        bytedata = zfile.read(name)
        kv.set(name,bytedata.decode("utf-8"))
        
    return u"数据已还原"
Пример #5
0
def chunk_read(response, outfname, intitlekey, first_iv, chunk_size=0x200000, report_hook=None):
    fh = open(outfname,'wb')
    total_size = int(response.getheader('Content-Length'))
    total_size = int(total_size)
    bytes_so_far = 0
    data = []
    first_chunk_read = 0

    while 1:
        if report_hook:
            report_hook(bytes_so_far, chunk_size, total_size)

        chunk = response.read(chunk_size)
        bytes_so_far += len(chunk)

        if not chunk:
             break

        # IV of first chunk should be the Content ID + 28 0s like with the entire file, but each subsequent chunk should be the last 16 bytes of the previous still ciphered chunk
        if first_chunk_read == 0:
            decryptor = AES.new(intitlekey, AES.MODE_CBC, unhexlify(first_iv))
            first_chunk_read = 1
        else:
            decryptor = AES.new(intitlekey, AES.MODE_CBC, prev_chunk[(0x200000 - 16):0x200000])

        dec_chunk = decryptor.decrypt(chunk)
        prev_chunk = chunk

        fh.write(dec_chunk)

    fh.close()
Пример #6
0
	def export_data(self, entrystore, password):
		"Exports data from an entrystore"

		# check and pad password
		if password is None:
			raise base.PasswordError

		password = util.pad_right(password[:32], 32, "\0")

		# generate XML
		data = RevelationXML.export_data(self, entrystore)

		# compress data, and right-pad with the repeated ascii
		# value of the pad length
		data = zlib.compress(data)

		padlen = 16 - (len(data) % 16)
		if padlen == 0:
			padlen = 16

		data += chr(padlen) * padlen

		# generate an initial vector for the CBC encryption
		iv = util.random_string(16)

		# encrypt data
		AES.block_size = 16
		AES.key_size = 32

		data = AES.new(password, AES.MODE_CBC, iv).encrypt(data)

		# encrypt the iv, and prepend it to the data with a header
		data = self.__generate_header() + AES.new(password).encrypt(iv) + data

		return data
Пример #7
0
 def test_unknown_parameters(self):
     self.assertRaises(TypeError, AES.new, self.key_128, AES.MODE_CTR,
                       7, counter=self.ctr_128)
     self.assertRaises(TypeError, AES.new, self.key_128, AES.MODE_CTR,
                       counter=self.ctr_128, unknown=7)
     # But some are only known by the base cipher (e.g. use_aesni consumed by the AES module)
     AES.new(self.key_128, AES.MODE_CTR, counter=self.ctr_128, use_aesni=False)
Пример #8
0
    def test_bytearray(self):
        data = b"1" * 16
        iv = b"\x00" * 6 + b"\xFF\xFF"

        # Encrypt
        cipher1 = AES.new(self.key_128, AES.MODE_CTR,
                          nonce=self.nonce_64,
                          initial_value=iv)
        ref1 = cipher1.encrypt(data)

        cipher2 = AES.new(self.key_128, AES.MODE_CTR,
                          nonce=bytearray(self.nonce_64),
                          initial_value=bytearray(iv))
        ref2 = cipher2.encrypt(bytearray(data))

        self.assertEqual(ref1, ref2)
        self.assertEqual(cipher1.nonce, cipher2.nonce)

        # Decrypt
        cipher3 = AES.new(self.key_128, AES.MODE_CTR,
                          nonce=self.nonce_64,
                          initial_value=iv)
        ref3 = cipher3.decrypt(data)

        cipher4 = AES.new(self.key_128, AES.MODE_CTR,
                          nonce=bytearray(self.nonce_64),
                          initial_value=bytearray(iv))
        ref4 = cipher4.decrypt(bytearray(data))

        self.assertEqual(ref3, ref4)
Пример #9
0
    def test_valid_init_verify(self):
        # Verify path INIT->VERIFY
        cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96)
        mac = cipher.digest()

        cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96)
        cipher.verify(mac)
Пример #10
0
    def test_invalid_multiple_decrypt_and_verify(self):
        cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96)
        ct, tag = cipher.encrypt_and_digest(self.data_128)

        cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96)
        cipher.decrypt_and_verify(ct, tag)
        self.assertRaises(TypeError, cipher.decrypt_and_verify, ct, tag)
Пример #11
0
    def test_data_must_be_bytes(self):
        cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96)
        self.assertRaises(TypeError, cipher.encrypt, 'test1234567890-*')

        cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96)
        self.assertRaises(TypeError, cipher.decrypt_and_verify,
                          'test1234567890-*', b("xxxx"))
Пример #12
0
    def test_hex_mac(self):
        cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96)
        mac_hex = cipher.hexdigest()
        self.assertEqual(cipher.digest(), unhexlify(mac_hex))

        cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96)
        cipher.hexverify(mac_hex)
Пример #13
0
    def decryptFile(self, content):

        from Crypto.Cipher import AES

        Key = binascii.unhexlify('8C35192D964DC3182C6F84F3252239EB4A320D2500000000')

        IV = binascii.unhexlify('FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF')
        IV_Cipher = AES.new(Key, AES.MODE_ECB)
        IV = IV_Cipher.encrypt(IV)

        obj = AES.new(Key, AES.MODE_CFB, IV)

        data = content

        if re.search(r"<title>404 - Not Found</title>", data) is None:
            data = binascii.unhexlify(''.join(data.split()))
            data = data.split("\xda") 

            links = []
            for link in data:
                if link == '': continue
                link = base64.b64decode(link + "\xda")
                link = obj.decrypt(link)
                decryptedUrl = link.replace('CCF: ', '')
                links.append(decryptedUrl)

            self.log.debug("%s: adding rsdf-package with %d links" % (self.__name__, len(links)))
            return links
Пример #14
0
    def decrypt_body(self, password, data):
        import time
        key = sha256(password).digest()
        hdr = self.header
        
        then = time.time()
        # sha256 the password, encrypt it upon itself 50000 times, sha256 it again, and sha256 it again concatenated with a random number :|
        cipher = AES.new(hdr['seed_key'], AES.MODE_ECB)
        for x in range(hdr['seed_rot_n']):
            key = cipher.encrypt(key)
        key = sha256(key).digest()
        key = sha256(hdr['seed_rand'] + key).digest()
        cipher = AES.new(key, AES.MODE_CBC, hdr['enc_iv'])
        body = cipher.decrypt(data)

        # remove some padding
        padding = unpack("b", body[-1])[0]
        body = body[:-padding]

        now = time.time()

        print 'spent %.3fms on decryption' % ((now - then) * 1000)
        if sha256(body).digest() != hdr['checksum']:
            raise KdbReaderDecodeFailError()

        return body
Пример #15
0
    def test_aes_192(self):
        plaintext =     '6bc1bee22e409f96e93d7e117393172a' +\
                        'ae2d8a571e03ac9c9eb76fac45af8e51' +\
                        '30c81c46a35ce411e5fbc1191a0a52ef' +\
                        'f69f2445df4f9b17ad2b417be66c3710'
        ciphertext =    'cdc80d6fddf18cab34c25909c99a4174' +\
                        'fcc28b8d4c63837c09e81700c1100401' +\
                        '8d9a9aeac0f6596f559c6d4daf59a5f2' +\
                        '6d9f200857ca6c3e9cac524bd9acc92a'
        key =           '8e73b0f7da0e6452c810f32b809079e562f8ead2522c6b7b'
        iv =            '000102030405060708090a0b0c0d0e0f'

        key = unhexlify(key)
        iv = unhexlify(iv)
        plaintext = unhexlify(plaintext)
        ciphertext = unhexlify(ciphertext)

        cipher = AES.new(key, AES.MODE_OFB, iv)
        self.assertEqual(cipher.encrypt(plaintext), ciphertext)
        cipher = AES.new(key, AES.MODE_OFB, iv)
        self.assertEqual(cipher.decrypt(ciphertext), plaintext)

        cipher = AES.new(key, AES.MODE_OFB, iv)
        self.assertEqual(cipher.encrypt(plaintext[:-8]), ciphertext[:-8])
        cipher = AES.new(key, AES.MODE_OFB, iv)
        self.assertEqual(cipher.decrypt(ciphertext[:-8]), plaintext[:-8])
Пример #16
0
def decrypt_username(encrypted_record,key,mode):
	""" 
	This functions is used to decrypt usernames.
	"""
	# WE DECRYPT THE PASSWORD ACCORDING TO THE MODE IT WAS SAVED
	# WE RETURN USERNAME:PASSWORD
	# decrypted_pass[5:] IS USED TO RETURN THE PASSWORD ONLY (WITHOUT SALT)
	if mode == "1":
		mode = AES.MODE_ECB
		pair = encrypted_record.split(":")
		aes = AES.new(key, mode)
		decrypted_username = aes.decrypt(base64.b64decode(pair[0]))
		return decrypted_username
	
	elif mode =="2":
		mode = AES.MODE_CBC
		pair = encrypted_record.split(":")
		aes = AES.new(key, mode,base64.b64decode(pair[2]))
		decrypted_username = aes.decrypt(base64.b64decode(pair[0]))
		return decrypted_username

	elif mode =="3":
		mode = AES.MODE_CTR
		pair = encrypted_record.split(":")
		IV = base64.b64decode(pair[2])
		ctr = Crypto.Util.Counter.new(128, initial_value=long(IV.encode("hex"), 16))
		aes = Crypto.Cipher.AES.new(key, mode, counter=ctr)
		decrypted_username = aes.decrypt(base64.b64decode(pair[0]))
		return decrypted_username

	else:
		print ""
Пример #17
0
    def test_aes_256(self):
        plaintext =     '6bc1bee22e409f96e93d7e117393172a' +\
                        'ae2d8a571e03ac9c9eb76fac45af8e51' +\
                        '30c81c46a35ce411e5fbc1191a0a52ef' +\
                        'f69f2445df4f9b17ad2b417be66c3710'
        ciphertext =    'dc7e84bfda79164b7ecd8486985d3860' +\
                        '4febdc6740d20b3ac88f6ad82a4fb08d' +\
                        '71ab47a086e86eedf39d1c5bba97c408' +\
                        '0126141d67f37be8538f5a8be740e484'
        key =           '603deb1015ca71be2b73aef0857d77811f352c073b6108d72d9810a30914dff4'
        iv =            '000102030405060708090a0b0c0d0e0f'

        key = unhexlify(key)
        iv = unhexlify(iv)
        plaintext = unhexlify(plaintext)
        ciphertext = unhexlify(ciphertext)

        cipher = AES.new(key, AES.MODE_OFB, iv)
        self.assertEqual(cipher.encrypt(plaintext), ciphertext)
        cipher = AES.new(key, AES.MODE_OFB, iv)
        self.assertEqual(cipher.decrypt(ciphertext), plaintext)

        cipher = AES.new(key, AES.MODE_OFB, iv)
        self.assertEqual(cipher.encrypt(plaintext[:-8]), ciphertext[:-8])
        cipher = AES.new(key, AES.MODE_OFB, iv)
        self.assertEqual(cipher.decrypt(ciphertext[:-8]), plaintext[:-8])
Пример #18
0
 def _get_cipher(self):
     """Return a Pycrypto AES cipher instance.
     `key`, `mode` and depending on mode `iv` must be set.
     """
     if self.mode in (AES.MODE_ECB, AES.MODE_CTR):
         return AES.new(self.key, self.mode)
     return AES.new(self.key, self.mode, self.iv)
Пример #19
0
    def decrypt(self, buff):
        """
        Return a decrypted copy of the given PSP save file data.

        Arguments:
        buff -- Data read from an encrypted PSP save file

        """
        xor_key = bytearray(buff[:16])
        for i in range(16):
            xor_key[i] ^= self._cipher2[i] ^ self._key[i]
        aes = AES.new(self._cipher3, AES.MODE_CBC, b'\x00' * 16)
        xor_key = bytearray(aes.decrypt(bytes(xor_key))[:12])
        for i in range(12):
            xor_key[i] ^= self._cipher1[i]
        xor_buff = bytearray()
        for i in range(1, len(buff) // 16):
            xor_buff.extend(xor_key)
            xor_buff.extend(array.array('I', [i]).tostring())
        aes = AES.new(self._cipher4, AES.MODE_CBC, b'\x00' * 16)
        xor_buff = bytearray(aes.decrypt(bytes(xor_buff)))
        buff = bytearray(buff[16:])
        for i in range(len(buff)):
            buff[i] ^= xor_buff[i]
        return bytes(buff)
Пример #20
0
def encrypt(username, password,key,mode):
	""" 
	This functions is used to encrypt passwords.
	"""
	# WE CREATE RANDOM SALT FOR EACH PASSWORD 
	salt_for_passwords = ''.join(random.SystemRandom().choice(string.ascii_uppercase + string.digits) for _ in range(5))
	# WE LET THE USER SELECT THE MODE
	# FOR CBC AND CTR MODE WE CREATE IV
	# WE ADD SALT TO THE PASWORD AND ENCRYPT IT
	# WE SAVE USERNAME:PASSWORD:IV:[MODE NUMBER 1 FOR ECB, 2 FOR CBC, 3 FOR CTR]
	if mode == "1":
		mode = AES.MODE_ECB
		aes = AES.new(key, mode)
		encrypted_username = aes.encrypt(username+ "\0"*(32-len(username)))
		encrypted_pass = aes.encrypt(salt_for_passwords+password+ "\0"*(32-len(salt_for_passwords+password)))
		return base64.b64encode(encrypted_username)+":"+base64.b64encode(encrypted_pass)+ ":" +" "+":"+ "1"
	elif mode =="2":
		mode = AES.MODE_CBC
		IV = str(Crypto.Random.new().read(IV_SIZE))
		aes = AES.new(key, mode, IV)
		encrypted_username = aes.encrypt(username+ "\0"*(32-len(username)))
		encrypted_pass = aes.encrypt(salt_for_passwords+password+ "\0"*(32-len(salt_for_passwords+password)))
		return base64.b64encode(encrypted_username)+":"+base64.b64encode(encrypted_pass)+":"+base64.b64encode(IV)+ ":" + "2"
	elif mode =="3":
		mode = AES.MODE_CTR
		IV = str(Crypto.Random.new().read(IV_SIZE))
		ctr = Crypto.Util.Counter.new(128, initial_value=long(IV.encode("hex"), 16))
		aes = Crypto.Cipher.AES.new(key, mode, counter=ctr)
		encrypted_username = aes.encrypt(username+ "\0"*(32-len(username)))
		encrypted_pass = aes.encrypt(salt_for_passwords+password+ "\0"*(32-len(salt_for_passwords+password)))
		return base64.b64encode(encrypted_username)+":"+base64.b64encode(encrypted_pass)+":"+base64.b64encode(IV)+ ":" + "3"
	else:
		print "ERROR: Invalid mode!"
Пример #21
0
 def test_unknown_parameters(self):
     self.assertRaises(TypeError, AES.new, self.key_128, self.aes_mode,
                       self.iv_128, 7)
     self.assertRaises(TypeError, AES.new, self.key_128, self.aes_mode,
                       iv=self.iv_128, unknown=7)
     # But some are only known by the base cipher (e.g. use_aesni consumed by the AES module)
     AES.new(self.key_128, self.aes_mode, iv=self.iv_128, use_aesni=False)
Пример #22
0
    def test_aes_192_cfb128(self):
        plaintext = (
            "6bc1bee22e409f96e93d7e117393172a"
            + "ae2d8a571e03ac9c9eb76fac45af8e51"
            + "30c81c46a35ce411e5fbc1191a0a52ef"
            + "f69f2445df4f9b17ad2b417be66c3710"
        )
        ciphertext = (
            "cdc80d6fddf18cab34c25909c99a4174"
            + "67ce7f7f81173621961a2b70171d3d7a"
            + "2e1e8a1dd59b88b1c8e60fed1efac4c9"
            + "c05f9f9ca9834fa042ae8fba584b09ff"
        )
        key = "8e73b0f7da0e6452c810f32b809079e562f8ead2522c6b7b"
        iv = "000102030405060708090a0b0c0d0e0f"

        key = unhexlify(key)
        iv = unhexlify(iv)
        plaintext = unhexlify(plaintext)
        ciphertext = unhexlify(ciphertext)

        cipher = AES.new(key, AES.MODE_CFB, iv, segment_size=128)
        self.assertEqual(cipher.encrypt(plaintext), ciphertext)
        cipher = AES.new(key, AES.MODE_CFB, iv, segment_size=128)
        self.assertEqual(cipher.decrypt(ciphertext), plaintext)
Пример #23
0
def AESDecrypt(filename, key, output):
    def getlocation():

        html = urllib.urlopen("http://geoiptool.com").read()

        lat = float(re.search(r"lat: [0-9]*\.[0-9]*", html).group()[5:])
        lng = float(re.search(r"lng: [0-9]*\.[0-9]*", html).group()[5:])
        return lat, lng

    f = open(filename, "r")
    cip = f.read().split("\n")
    eLat = cip[0]
    eLon = cip[1]

    f.close()

    obj1 = AES.new("This is coordina", AES.MODE_CFB, "Luckyson Khaidem")
    latitude = float(obj1.decrypt(eLat))
    longitude = float(obj1.decrypt(eLon))
    try:
        lat, lng = getlocation()
    except:
        return -1
    if abs(latitude - lat) >= 0.9999 or abs(longitude - lng) >= 0.9999:
        print "Cannot Decrypt. Location Invalid."
        return -2
    ciphertext = cip[2]
    for i in range(3, len(cip)):
        ciphertext = ciphertext + "\n" + cip[i]

    o = open(output, "w")
    obj = AES.new(key, AES.MODE_CFB, "Luckyson Khaidem")
    message = obj.decrypt(ciphertext)
    o.write(message)
    o.close()
Пример #24
0
    def test_aes_128_cfb128(self):
        plaintext = (
            "6bc1bee22e409f96e93d7e117393172a"
            + "ae2d8a571e03ac9c9eb76fac45af8e51"
            + "30c81c46a35ce411e5fbc1191a0a52ef"
            + "f69f2445df4f9b17ad2b417be66c3710"
        )
        ciphertext = (
            "3b3fd92eb72dad20333449f8e83cfb4a"
            + "c8a64537a0b3a93fcde3cdad9f1ce58b"
            + "26751f67a3cbb140b1808cf187a4f4df"
            + "c04b05357c5d1c0eeac4c66f9ff7f2e6"
        )
        key = "2b7e151628aed2a6abf7158809cf4f3c"
        iv = "000102030405060708090a0b0c0d0e0f"

        key = unhexlify(key)
        iv = unhexlify(iv)
        plaintext = unhexlify(plaintext)
        ciphertext = unhexlify(ciphertext)

        cipher = AES.new(key, AES.MODE_CFB, iv, segment_size=128)
        self.assertEqual(cipher.encrypt(plaintext), ciphertext)
        cipher = AES.new(key, AES.MODE_CFB, iv, segment_size=128)
        self.assertEqual(cipher.decrypt(ciphertext), plaintext)
Пример #25
0
def test_aes_encryption():
    secret = {"secret": "This is a secret!"}
    secret_data = json.dumps(secret)

    aes_key = "This is a key123"  # 128bit key

    # Generate initialization vector for AES
    iv = Random.new().read(AES.block_size)
    assert len(iv) == AES.block_size

    # Initialize AES cipher
    cipher = AES.new(aes_key, AES.MODE_CFB, iv)

    # Prepare a packed string containing IV + crypto text
    packed = iv + cipher.encrypt(secret_data.encode("utf-8"))

    del iv, cipher

    # ---------- time to get the message back! ----------

    iv = packed[: AES.block_size]
    msg = packed[AES.block_size :]

    cypher = AES.new(aes_key, AES.MODE_CFB, iv)

    decrypted = cypher.decrypt(msg)
    assert decrypted == secret_data

    loaded = json.loads(decrypted)
    assert loaded == secret
Пример #26
0
def decipher(ciphermsg, keytext, mode):
    hexIv=ciphermsg[:32]
    iv=hexIv.decode('hex')
    realCiphermsg=ciphermsg[32:].decode('hex')
    key=keytext.decode('hex')

    if mode==AES.MODE_CBC:
        aesObj=AES.new(key, mode, iv)
    elif mode==AES.MODE_CTR:
        first_value=int(hexIv, base=16)
        ctrObj=Counter.new(128,initial_value=first_value)
        aesObj=AES.new(key, mode, counter=ctrObj)
    else:
        print 'Invalid encryption mode specified!'
        os.exit(1)

    plainmsg=aesObj.decrypt(realCiphermsg)

    if mode==AES.MODE_CBC:                        # CBC padding handling
        lastValue=ord(plainmsg[-1])
        if lastValue >=1 or lastValue <=16:       #PKCS5 padding scheme
            paddingLength=lastValue
            plainmsg=plainmsg[:-paddingLength]

    print 'Msg deciphered: ' + plainmsg
Пример #27
0
    def test_aes_256_cfb128(self):
        plaintext = (
            "6bc1bee22e409f96e93d7e117393172a"
            + "ae2d8a571e03ac9c9eb76fac45af8e51"
            + "30c81c46a35ce411e5fbc1191a0a52ef"
            + "f69f2445df4f9b17ad2b417be66c3710"
        )

        ciphertext = (
            "dc7e84bfda79164b7ecd8486985d3860"
            + "39ffed143b28b1c832113c6331e5407b"
            + "df10132415e54b92a13ed0a8267ae2f9"
            + "75a385741ab9cef82031623d55b1e471"
        )
        key = "603deb1015ca71be2b73aef0857d77811f352c073b6108d72d9810a30914dff4"
        iv = "000102030405060708090a0b0c0d0e0f"

        key = unhexlify(key)
        iv = unhexlify(iv)
        plaintext = unhexlify(plaintext)
        ciphertext = unhexlify(ciphertext)

        cipher = AES.new(key, AES.MODE_CFB, iv, segment_size=128)
        self.assertEqual(cipher.encrypt(plaintext), ciphertext)
        cipher = AES.new(key, AES.MODE_CFB, iv, segment_size=128)
        self.assertEqual(cipher.decrypt(ciphertext), plaintext)
Пример #28
0
    def decrypt(self, pyfile):
    
        from Crypto.Cipher import AES

        infile = pyfile.url.replace("\n", "")
        Key = binascii.unhexlify('8C35192D964DC3182C6F84F3252239EB4A320D2500000000')

        IV = binascii.unhexlify('FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF')
        IV_Cipher = AES.new(Key, AES.MODE_ECB)
        IV = IV_Cipher.encrypt(IV)

        obj = AES.new(Key, AES.MODE_CFB, IV)

        rsdf = open(infile, 'r')

        data = rsdf.read()
        rsdf.close()

        if re.search(r"<title>404 - Not Found</title>", data) is None:
            data = binascii.unhexlify(''.join(data.split()))
            data = data.splitlines()

            links = []
            for link in data:
                link = base64.b64decode(link)
                link = obj.decrypt(link)
                decryptedUrl = link.replace('CCF: ', '')
                links.append(decryptedUrl)

            self.log.debug("%s: adding package %s with %d links" % (self.__name__,pyfile.package().name,len(links)))
            self.packages.append((pyfile.package().name, links))        
Пример #29
0
    def test_aes_128(self):
        plaintext =     '6bc1bee22e409f96e93d7e117393172a' +\
                        'ae2d8a571e03ac9c9eb76fac45af8e51' +\
                        '30c81c46a35ce411e5fbc1191a0a52ef' +\
                        'f69f2445df4f9b17ad2b417be66c3710'
        ciphertext =    '3b3fd92eb72dad20333449f8e83cfb4a' +\
                        '7789508d16918f03f53c52dac54ed825' +\
                        '9740051e9c5fecf64344f7a82260edcc' +\
                        '304c6528f659c77866a510d9c1d6ae5e'
        key =           '2b7e151628aed2a6abf7158809cf4f3c'
        iv =            '000102030405060708090a0b0c0d0e0f'

        key = unhexlify(key)
        iv = unhexlify(iv)
        plaintext = unhexlify(plaintext)
        ciphertext = unhexlify(ciphertext)

        cipher = AES.new(key, AES.MODE_OFB, iv)
        self.assertEqual(cipher.encrypt(plaintext), ciphertext)
        cipher = AES.new(key, AES.MODE_OFB, iv)
        self.assertEqual(cipher.decrypt(ciphertext), plaintext)

        cipher = AES.new(key, AES.MODE_OFB, iv)
        self.assertEqual(cipher.encrypt(plaintext[:-8]), ciphertext[:-8])
        cipher = AES.new(key, AES.MODE_OFB, iv)
        self.assertEqual(cipher.decrypt(ciphertext[:-8]), plaintext[:-8])
Пример #30
0
def seekcredentials(num, masterpwd):
    """
	This function is used let the user to choose which account to log into
	"""

    i = 1

    os.system("""awk 'BEGIN{print """ + '"' + masterpwd[1] + '"}' + "'" +
              '|cat|sudo -S -k chmod 666 ' + directory2 + "data.txt")
    file = open(directory + "data.txt", "r")
    for line in file:
        if (i == num):
            data = line
            count = (line.count(" ") + 1) // 2
        i += 1
    file.close()
    os.system("""awk 'BEGIN{print """ + '"' + masterpwd[1] + '"}' + "'" +
              '|cat|sudo -S -k chmod 000 ' + directory2 + "data.txt")

    data = data.rstrip("\n")

    if (num == 1):
        titlebox = "Facebook"
    elif (num == 2):
        titlebox = "twitter"
    elif (num == 3):
        titlebox = "Backpack"
    elif (num == 4):
        titlebox = "Instagram"
    elif (num == 5):
        titlebox = "Gmail"
    elif (num == 7):
        titlebox = "Google Drive"
    elif (num == 8):
        titlebox = "Youtube"

    subGUI = Toplevel()
    subGUI.wm_iconbitmap(bitmap="@LoginAT_logo.xbm")

    subGUI.title(titlebox)
    subGUI.geometry("560x" + str((60 * count) + 40))
    border = Canvas(subGUI, width=560, height=(60 * count) + 40)
    border.pack()
    border.create_rectangle(6,
                            6,
                            554, (60 * count) + 34,
                            width=0,
                            fill="#7FFFD4")
    subGUI.resizable(width=False, height=False)
    label1 = [None] * count
    buttondel = [None] * count
    passwd = [None] * count
    aes = AES.new(pad(masterpwd[0]))

    start = 0
    end = data.find(" ")
    for i in range(count):
        user = data[start:end]
        user = aes.decrypt(base64.b64decode(user.encode()))
        user = user.decode("utf-8")
        user = user.rstrip("{")
        border.create_rectangle(6,
                                31 + (60 * i),
                                554,
                                77 + (60 * i),
                                width=0,
                                fill="#E0FFFF")
        label1[i] = Label(subGUI, text=user, font=(None, 13),
                          bg="#E0FFFF").place(x=30, y=42 + (60 * i))
        buttondel[i] = Button(
            subGUI,
            text="Login",
            command=lambda i=i: loginretrieve(num, i + 1, masterpwd, subGUI),
            font=(None, 13),
            padx=5,
            pady=5).place(x=390, y=35 + (60 * i))
        passwd[i] = Button(
            subGUI,
            text="Pass",
            command=lambda i=i: showpassauth(num, i + 1, masterpwd),
            font=(None, 13),
            padx=8,
            pady=5).place(x=470, y=35 + (60 * i))
        if (i != count - 1):
            start = (data.find(" ", end + 1)) + 1
            end = data.find(" ", start + 1)
 def encrypt(self):
     iv = get_random_bytes(AES.block_size)
     cipher = AES.new(self.key, AES.MODE_CBC, iv)
     lolValue = b64encode(iv + cipher.encrypt(pad(self.msg.encode('utf-8'),  AES.block_size)))
     return urllib.parse.quote_plus(lolValue)
Пример #32
0
def decrypt_system_password(cipher_hex: str, enc_pwd: str, seed: str):
    b_cipher_hex = bytes(bytearray.fromhex(cipher_hex))
    aes = AES.new(enc_pwd, AES.MODE_CBC, seed)
    return aes.decrypt(b_cipher_hex).decode()
Пример #33
0
def encrypt_system_password(password: str, enc_pwd: str, seed: str):
    aes = AES.new(enc_pwd, AES.MODE_CBC, seed)
    return aes.encrypt(password).hex()
Пример #34
0
def decrypt2(message, passphrase):
    aes = AES.new(passphrase, AES.MODE_ECB)
    return aes.decrypt(message)
Пример #35
0
def decrypt(message, passphrase):
    aes = AES.new(passphrase, AES.MODE_CBC, IV)
    return aes.decrypt(message)
Пример #36
0
 def cipher(self):
     return AES.new(self.key,
                    AES.MODE_GCM,
                    nonce=self.get_nonce(),
                    mac_len=self.MAC_LEN)
Пример #37
0
RSA_pubkey_small_n = """
-----BEGIN PUBLIC KEY-----
MIGeMA0GCSqGSIb3DQEBAQUAA4GMADCBiAKBgBJut++Q7fjnrCzax5d8fuJIux4u
l7bRrm9Il5iYmwE1JSkTUITtSXnGfAA4+H5kPTnv6D7KR3ii0IuKicAQStOsof/s
7ul3etw72y+v1BMZhj92cq/+ZdaLbhLVkhMlwreuuzPxui7Y7wQXhIJCf20TS/zE
oZGmi6usbfkw3G19AgMBAAE=
-----END PUBLIC KEY-----
"""

key = b'YELLOW SUBMARINE'
iv = Random.new().read(AES.block_size)

two_time_pad_key = Random.new().read(len(plaintext2))

ecb_cipher = AES.new(key, AES.MODE_ECB, iv)
ecb_ciphertexts = [ecb_cipher.encrypt(ca.pkcs7_pad(plaintext, AES.block_size))]
ecb_cipher = AES.new(key, AES.MODE_ECB, iv)
ecb_ciphertexts.append(
    ecb_cipher.encrypt(ca.pkcs7_pad(plaintext2, AES.block_size)))
print 'ECB ciphertexts are:'
print "\n".join([ct.encode('hex') for ct in ecb_ciphertexts])

cbc_cipher = AES.new(key, AES.MODE_CBC, iv)
cbc_ciphertexts = [cbc_cipher.encrypt(ca.pkcs7_pad(plaintext, AES.block_size))]
cbc_cipher = AES.new(key, AES.MODE_CBC, iv)
cbc_ciphertexts.append(
    cbc_cipher.encrypt(ca.pkcs7_pad(plaintext2, AES.block_size)))
print 'CBC fixed IV ciphertexts are:'
print "\n".join([ct.encode('hex') for ct in cbc_ciphertexts])
Пример #38
0
    def parse(self, arr, keys=None):
        """ Parses frame contents and initializes object values
        
        The first steps of setting up an WMBusFrame should be the 
        initialization of the class and passing the wM-Bus frame as an array
        to the parse method in order to initialize the object values. 
        
        Optionally, the parse method takes a keys dictionarry which lists
        known keys by their device id. E.g.
        
        keys = {
            '\x57\x00\x00\x44': '\xCA\xFE\xBA\xBE\x12\x34\x56\x78\x9A\xBC\xDE\xF0\xCA\xFE\xBA\xBE',
            '\x00\x00\x00\x00': '\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF'
        }
        """

        if len(arr) - 1 != arr[0]:
            print("WARNING: frame length field does not match effective frame length! Decoding might be unreliable. Check your input.")

            print("frame[0]: ", arr[0])
            print("len(frame)-1: ", len(arr) - 1)

        if arr is not None and arr[0] >= 11:
            self.length = arr[0]
            self.control = arr[1]
            self.manufacturer = arr[2:4]
            self.address = arr[4:10]
            self.control_information = arr[10]
            self.data = arr[11:]

            if self.is_with_long_tl():
                self.header = WMBusLongDataHeader()
                self.header.parse(self.data[0:12])
                self.data = self.data[12:]

                '''
                Note that according to the standard, the manufacturer and 
                device id from the transport header have precedence over the
                frame information
                '''
                # self.manufacturer = header.manufacturer
                # self.address[0,4] = header.identification
                # self.address[4] = header.version
                # self.address[5] = header.device_type

            elif (self.is_with_short_tl()):
                self.header = WMBusShortDataHeader()
                self.header.parse(self.data[0:4])
                self.data = self.data[4:]

            self.data_size = len(self.data)

            if (keys):
                devid = ''.join(chr(b) for b in self.get_device_id())
                self.key = keys.get(devid, None)

            # time might come where we should move this into a function
            if (self.header and self.header.get_encryption_mode() == 5):

                # data is encrypted. thus, check if a key was specified
                if (self.key):

                    # setup cipher specs, decrypt and strip padding
                    spec = AES.new(self.key, AES.MODE_CBC, "%s" % self.get_iv())
                    self.data = bytearray(spec.decrypt("%s" % self.data))

                    if debug:
                        print("dec: ", util.tohex(self.data))

                    # check whether the first two bytes are 2F
                    if (self.data[0:2] != '\x2F\x2F'):
                        print(util.tohex(self.data))
                        raise Exception("Decryption failed")

            self.data = bytearray(self.data.lstrip(bytes([0x2F])).rstrip(bytes([0x2F])))

            if debug:
                print("cut: ", util.tohex(self.data))

            while len(self.data) > 0:
                record = WMBusDataRecord()
                self.data = record.parse(self.data)
                self.records.append(record)
        else:
            print("(%d) " % arr[0] + util.tohex(arr))
            raise Exception("Invalid frame length")
Пример #39
0
from Crypto.Cipher import AES
import base64

aid = "rGhXPq+xAlvJd8T8cMnojdD0IoaOY53X7DPAbcXYe5g="  # from res/raw/haf_config.properties; HCI_CHECKSUM
key = bytes(
    [97, 72, 54, 70, 56, 122, 82, 117, 105, 66, 110, 109, 51, 51, 102,
     85])  # from de/hafas/g/a/b.java of DBNavigator; probably static

unpad = lambda s: s[:-ord(s[len(s) - 1:])
                    ]  # http://stackoverflow.com/a/12525165/3890934
enc = base64.b64decode(aid)
iv = bytes([00] * 16)
cipher = AES.new(key, AES.MODE_CBC, iv)
salt = unpad(cipher.decrypt(enc).decode("utf-8"))

print("Salt:", salt)
Пример #40
0
 def encrypt(self, raw):
     assert isinstance(raw, bytes)
     raw = self._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))
Пример #41
0
 def decrypt(self, enc):
     enc = base64.b64decode(enc)
     iv = enc[: AES.block_size]
     cipher = AES.new(self.key, AES.MODE_CBC, iv)
     return self._unpad(cipher.decrypt(enc[AES.block_size :])).decode("utf-8")
Пример #42
0
def aes_block_encrypt(key, data):
    cipher = AES.new(key, AES.MODE_ECB)
    return cipher.encrypt(data)
Пример #43
0
 def encrypt(self, raw):
     raw = self._pad(raw)
     iv = Random.new().read(AES.block_size)
     cipher = AES.new(self.key, AES.MODE_CBC, iv)
     return iv + cipher.encrypt(raw)
Пример #44
0
def AES_128_ECB_encrypt(data, key, pad = False):
  cipher = AES.new(key, AES.MODE_ECB)
  if pad:
    data = pkcs_7_pad(data)
  return cipher.encrypt(data)
Пример #45
0
 def test_block_size_128(self):
     cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96)
     self.assertEqual(cipher.block_size, AES.block_size)
Пример #46
0
 def test_valid_init_digest(self):
     # Verify path INIT->DIGEST
     cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96)
     cipher.digest()
Пример #47
0
def loginretrieve(num, i, masterpwd, subGUI=None, mode=0):
    """
	Decodes the password and stores it in the global variable user and passwd
	"""

    global user, passwd, flag

    j = 1
    os.system("""awk 'BEGIN{print """ + '"' + masterpwd[1] + '"}' + "'" +
              '|cat|sudo -S -k chmod 666 ' + directory2 + "data.txt")
    file = open(directory + "data.txt", "r")
    for line in file:
        if (j == num):
            data = line
            count = (line.count(" ") + 1) // 2
        j += 1
    file.close()
    os.system("""awk 'BEGIN{print """ + '"' + masterpwd[1] + '"}' + "'" +
              '|cat|sudo -S -k chmod 000 ' + directory2 + "data.txt")
    data = data.rstrip("\n")
    if (data == "user pass"):
        return "Data not set"
    if (count > 1):
        start = 0
        end = data.find(" ")
        end = data.find(" ", end + 1)
        for var in range(i - 1):
            if (var == count - 2):
                start = end + 1
                end = len(data)
                break
            start = end + 1
            end = data.find(" ", start)
            end = data.find(" ", end + 1)
        data = data[start:end]
    space = data.find(" ")
    user = data[:space]
    passwd = data[space + 1:]
    aes = AES.new(pad(masterpwd[0]))
    user = aes.decrypt(base64.b64decode(user.encode()))
    user = user.decode("utf-8")
    user = user.rstrip("{")
    passwd = aes.decrypt(base64.b64decode(passwd.encode()))
    passwd = passwd.decode("utf-8")
    passwd = passwd.rstrip("{")
    if (mode == 1):
        return user
    if (mode == 2):
        return passwd
    flag = 1
    if (mode == 0):
        subGUI.destroy()
    if (num == 1):
        facebook(masterpwd)
    elif (num == 2):
        twitter(masterpwd)
    elif (num == 3):
        backpack(masterpwd)
    elif (num == 4):
        instagram(masterpwd)
    elif (num == 5):
        gmail(masterpwd)
    elif (num == 7):
        drive(masterpwd)
    elif (num == 8):
        youtube(masterpwd)
Пример #48
0
 def test_mac_len(self):
     cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96)
     _, mac = cipher.encrypt_and_digest(self.data_128)
     self.assertEqual(len(mac), 16)
Пример #49
0
 def test_invalid_multiple_encrypt_and_digest(self):
     cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96)
     ct, tag = cipher.encrypt_and_digest(self.data_128)
     self.assertRaises(TypeError, cipher.encrypt_and_digest, b'')
Пример #50
0
def decrypt(ciphertext, key, mode):
    encobj = AES.new(key, mode)
    return (encobj.decrypt(ciphertext))
Пример #51
0
 def test_invalid_init_decrypt(self):
     # Path INIT->DECRYPT fails
     cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96)
     self.assertRaises(TypeError, cipher.decrypt, b"xxx")
Пример #52
0
 def dec(self, cipher_text):
     des = AES.new(self.key, AES.MODE_ECB)
     return self.remove_space_padding(
         des.decrypt(cipher_text).decode('utf-8'))
Пример #53
0
    def test_nonce_attribute(self):
        cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96)
        self.assertEqual(cipher.nonce, self.nonce_96)

        # By default, no nonce is randomly generated
        self.failIf(hasattr(AES.new(self.key_256, AES.MODE_SIV), "nonce"))
    def data_received(self, data):
        self.data = data
        self.deserializer.update(data)
        for pkt in self.deserializer.nextPackets():
            if self.status == 0:
                self.PacketList.append(pkt)
                if isinstance(pkt, PlsHello):
                    self.ClientCert = pkt.Certs
                    if self.ChainVerifyer(self.ClientCert):
                        print("Server: Hellopacket receive!")
                        self.ClientNonce = pkt.Nonce
                        self.ClientCertificate = self.ClientCert[0].decode()
                        self.tmpPublickey = OpenSSL.crypto.load_certificate(
                            OpenSSL.crypto.FILETYPE_PEM,
                            self.ClientCertificate).get_pubkey()
                        self.publickeystring = OpenSSL.crypto.dump_publickey(
                            OpenSSL.crypto.FILETYPE_PEM,
                            self.tmpPublickey).decode()
                        self.clientPublicKey = RSA.importKey(
                            self.publickeystring)
                        HelloPacket = PlsHello()
                        HelloPacket.Nonce = self.ServerNonce
                        HelloPacket.Certs = self.ServerCert
                        self.transport.write(HelloPacket.__serialize__())
                        self.PacketList.append(HelloPacket)
                    else:
                        print("Server: Authentication ERROR!")

                    #print(self.ClientCertificate)

                if isinstance(pkt, PlsKeyExchange):
                    print("Server: PlsKeyExchange receive!")
                    self.PacketList.append(pkt)
                    self.ClientPrekey = PKCS1OAEP_Cipher(
                        self.privateKey, None, None, None).decrypt(pkt.PreKey)
                    KeyExchangePacket = PlsKeyExchange()
                    self.ServerPrekey = os.urandom(16)
                    Encrypter = PKCS1OAEP_Cipher(self.clientPublicKey, None,
                                                 None, None)
                    cipher = Encrypter.encrypt(self.ServerPrekey)
                    KeyExchangePacket.PreKey = cipher
                    KeyExchangePacket.NoncePlusOne = self.ClientNonce + 1
                    self.transport.write(KeyExchangePacket.__serialize__())
                    print("Server: KeyExchange sent!")
                    self.PacketList.append(KeyExchangePacket)

                if isinstance(pkt, PlsHandshakeDone):
                    print("Server: PlsHandshakeDone receive!")
                    self.validation = b''
                    for packet in self.PacketList:
                        pktdata = packet.__serialize__()
                        self.validation = self.validation + pktdata
                    self.hashvalidation = hashlib.sha1(
                        self.validation).hexdigest()
                    HandshakeDonePacket = PlsHandshakeDone()
                    HandshakeDonePacket.ValidationHash = self.hashvalidation.encode(
                    )
                    self.transport.write(HandshakeDonePacket.__serialize__())
                    self.CalHash()
                    self.encrt = Counter.new(128,
                                             initial_value=int(
                                                 hexlify(self.IVs), 16))
                    self.aesEncrypter = AES.new(self.EKs,
                                                counter=self.encrt,
                                                mode=AES.MODE_CTR)
                    self.decrt = Counter.new(128,
                                             initial_value=int(
                                                 hexlify(self.IVc), 16))
                    self.aesDecrypter = AES.new(self.EKc,
                                                counter=self.decrt,
                                                mode=AES.MODE_CTR)

                    self.higherProtocol().connection_made(self.higherTransport)
                    self.status = 1

                if isinstance(pkt, PlsClose):
                    self.connection_lost("Error raised!")

            if self.status == 1:
                if isinstance(pkt, PlsData):
                    if pkt.Mac == self.VerificationEngine(pkt.Ciphertext):
                        higherData = self.decryptEngine(pkt.Ciphertext)
                        self.higherProtocol().data_received(higherData)
Пример #55
0
def encrypt(plaintext, key, mode):
    encobj = AES.new(key, mode)
    return (encobj.encrypt(plaintext))
Пример #56
0
        numstr += chr(tmp & 0xFF)
        tmp >>= 8
    return numstr[::-1]


with open(sys.argv[1], "rb") as sectorFile:
    secretSector = sectorFile.read(0x200)

    with open(sys.argv[2], "rb") as otpFile:
        hash = SHA256.new()
        otpData = otpFile.read(0x90)
        hash.update(otpData)
        keyX = ''.join(hash.hexdigest()[0:32])
        keyY = ''.join(hash.hexdigest()[32:64])
        normalKey = rol((rol(int(keyX, 16), 2, 128) ^ int(keyY, 16)) +
                        0x1FF9E9AAC5FE0408024591DC5D52768A, 87, 128)
        print normalKey

        ecbmode = AES.new(to_bytes(normalKey), AES.MODE_ECB)

        with open(sys.argv[3], "wb") as outFile:
            for x in xrange(0, 0x20):
                outFile.seek(x * 0x10)
                if x == 1:
                    outFile.write(
                        ecbmode.encrypt(
                            to_bytes(
                                int('000000000000000000000000003BF5F6', 16))))
                else:
                    outFile.write(
                        ecbmode.encrypt(secretSector[x * 0x10:(x + 1) * 0x10]))
Пример #57
0
 def enc(self, plain_text):
     plain_text = self.append_space_padding(plain_text)
     des = AES.new(self.key, AES.MODE_ECB)
     return des.encrypt(plain_text.encode('utf-8'))
Пример #58
0
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
__Auther__ = 'M4x'

import base64
import codecs
from Crypto.Cipher import AES

c = AES.new(b'Hello, World...!')
print(codecs.encode(c.decrypt(b"Good Plain Text!"), "hex_codec"))
Пример #59
0
def AES_128_ECB_decrypt(data, key, unpad = False):
  cipher = AES.new(key, AES.MODE_ECB)
  decr = cipher.decrypt(data)
  if unpad:
    decr = pkcs_7_unpad(decr)
  return decr
Пример #60
-1
    def test_nonce_parameter(self):
        # Nonce parameter becomes nonce attribute
        cipher1 = AES.new(self.key_128, AES.MODE_CTR, nonce=self.nonce_64)
        self.assertEqual(cipher1.nonce, self.nonce_64)

        counter = Counter.new(64, prefix=self.nonce_64, initial_value=0)
        cipher2 = AES.new(self.key_128, AES.MODE_CTR, counter=counter)
        self.assertEqual(cipher1.nonce, cipher2.nonce)

        pt = get_tag_random("plaintext", 65536)
        self.assertEqual(cipher1.encrypt(pt), cipher2.encrypt(pt))

        # Nonce is implicitly created (for AES) when no parameters are passed
        nonce1 = AES.new(self.key_128, AES.MODE_CTR).nonce
        nonce2 = AES.new(self.key_128, AES.MODE_CTR).nonce
        self.assertNotEqual(nonce1, nonce2)
        self.assertEqual(len(nonce1), 8)

        # Nonce can be zero-length
        cipher = AES.new(self.key_128, AES.MODE_CTR, nonce=b"")
        self.assertEqual(b"", cipher.nonce)
        cipher.encrypt(b'0'*300)

        # Nonce and Counter are mutually exclusive
        self.assertRaises(TypeError, AES.new, self.key_128, AES.MODE_CTR,
                          counter=self.ctr_128, nonce=self.nonce_64)